LLVM  8.0.1
NVPTXISelDAGToDAG.cpp
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1 //===-- NVPTXISelDAGToDAG.cpp - A dag to dag inst selector for NVPTX ------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines an instruction selector for the NVPTX target.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "NVPTXISelDAGToDAG.h"
15 #include "NVPTXUtilities.h"
16 #include "llvm/Analysis/ValueTracking.h"
17 #include "llvm/IR/GlobalValue.h"
18 #include "llvm/IR/Instructions.h"
19 #include "llvm/Support/AtomicOrdering.h"
20 #include "llvm/Support/CommandLine.h"
21 #include "llvm/Support/Debug.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/raw_ostream.h"
24 #include "llvm/Target/TargetIntrinsicInfo.h"
25 
26 using namespace llvm;
27 
28 #define DEBUG_TYPE "nvptx-isel"
29 
30 /// createNVPTXISelDag - This pass converts a legalized DAG into a
31 /// NVPTX-specific DAG, ready for instruction scheduling.
32 FunctionPass *llvm::createNVPTXISelDag(NVPTXTargetMachine &TM,
33  llvm::CodeGenOpt::Level OptLevel) {
34  return new NVPTXDAGToDAGISel(TM, OptLevel);
35 }
36 
37 NVPTXDAGToDAGISel::NVPTXDAGToDAGISel(NVPTXTargetMachine &tm,
38  CodeGenOpt::Level OptLevel)
39  : SelectionDAGISel(tm, OptLevel), TM(tm) {
40  doMulWide = (OptLevel > 0);
41 }
42 
43 bool NVPTXDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
44  Subtarget = &static_cast<const NVPTXSubtarget &>(MF.getSubtarget());
45  return SelectionDAGISel::runOnMachineFunction(MF);
46 }
47 
48 int NVPTXDAGToDAGISel::getDivF32Level() const {
49  return Subtarget->getTargetLowering()->getDivF32Level();
50 }
51 
52 bool NVPTXDAGToDAGISel::usePrecSqrtF32() const {
53  return Subtarget->getTargetLowering()->usePrecSqrtF32();
54 }
55 
56 bool NVPTXDAGToDAGISel::useF32FTZ() const {
57  return Subtarget->getTargetLowering()->useF32FTZ(*MF);
58 }
59 
60 bool NVPTXDAGToDAGISel::allowFMA() const {
61  const NVPTXTargetLowering *TL = Subtarget->getTargetLowering();
62  return TL->allowFMA(*MF, OptLevel);
63 }
64 
65 bool NVPTXDAGToDAGISel::allowUnsafeFPMath() const {
66  const NVPTXTargetLowering *TL = Subtarget->getTargetLowering();
67  return TL->allowUnsafeFPMath(*MF);
68 }
69 
70 bool NVPTXDAGToDAGISel::useShortPointers() const {
71  return TM.useShortPointers();
72 }
73 
74 /// Select - Select instructions not customized! Used for
75 /// expanded, promoted and normal instructions.
76 void NVPTXDAGToDAGISel::Select(SDNode *N) {
77 
78  if (N->isMachineOpcode()) {
79  N->setNodeId(-1);
80  return; // Already selected.
81  }
82 
83  switch (N->getOpcode()) {
84  case ISD::LOAD:
85  case ISD::ATOMIC_LOAD:
86  if (tryLoad(N))
87  return;
88  break;
89  case ISD::STORE:
90  case ISD::ATOMIC_STORE:
91  if (tryStore(N))
92  return;
93  break;
94  case ISD::EXTRACT_VECTOR_ELT:
95  if (tryEXTRACT_VECTOR_ELEMENT(N))
96  return;
97  break;
98  case NVPTXISD::SETP_F16X2:
99  SelectSETP_F16X2(N);
100  return;
101 
102  case NVPTXISD::LoadV2:
103  case NVPTXISD::LoadV4:
104  if (tryLoadVector(N))
105  return;
106  break;
107  case NVPTXISD::LDGV2:
108  case NVPTXISD::LDGV4:
109  case NVPTXISD::LDUV2:
110  case NVPTXISD::LDUV4:
111  if (tryLDGLDU(N))
112  return;
113  break;
114  case NVPTXISD::StoreV2:
115  case NVPTXISD::StoreV4:
116  if (tryStoreVector(N))
117  return;
118  break;
119  case NVPTXISD::LoadParam:
120  case NVPTXISD::LoadParamV2:
121  case NVPTXISD::LoadParamV4:
122  if (tryLoadParam(N))
123  return;
124  break;
125  case NVPTXISD::StoreRetval:
126  case NVPTXISD::StoreRetvalV2:
127  case NVPTXISD::StoreRetvalV4:
128  if (tryStoreRetval(N))
129  return;
130  break;
131  case NVPTXISD::StoreParam:
132  case NVPTXISD::StoreParamV2:
133  case NVPTXISD::StoreParamV4:
134  case NVPTXISD::StoreParamS32:
135  case NVPTXISD::StoreParamU32:
136  if (tryStoreParam(N))
137  return;
138  break;
139  case ISD::INTRINSIC_WO_CHAIN:
140  if (tryIntrinsicNoChain(N))
141  return;
142  break;
143  case ISD::INTRINSIC_W_CHAIN:
144  if (tryIntrinsicChain(N))
145  return;
146  break;
147  case NVPTXISD::Tex1DFloatS32:
148  case NVPTXISD::Tex1DFloatFloat:
149  case NVPTXISD::Tex1DFloatFloatLevel:
150  case NVPTXISD::Tex1DFloatFloatGrad:
151  case NVPTXISD::Tex1DS32S32:
152  case NVPTXISD::Tex1DS32Float:
153  case NVPTXISD::Tex1DS32FloatLevel:
154  case NVPTXISD::Tex1DS32FloatGrad:
155  case NVPTXISD::Tex1DU32S32:
156  case NVPTXISD::Tex1DU32Float:
157  case NVPTXISD::Tex1DU32FloatLevel:
158  case NVPTXISD::Tex1DU32FloatGrad:
159  case NVPTXISD::Tex1DArrayFloatS32:
160  case NVPTXISD::Tex1DArrayFloatFloat:
161  case NVPTXISD::Tex1DArrayFloatFloatLevel:
162  case NVPTXISD::Tex1DArrayFloatFloatGrad:
163  case NVPTXISD::Tex1DArrayS32S32:
164  case NVPTXISD::Tex1DArrayS32Float:
165  case NVPTXISD::Tex1DArrayS32FloatLevel:
166  case NVPTXISD::Tex1DArrayS32FloatGrad:
167  case NVPTXISD::Tex1DArrayU32S32:
168  case NVPTXISD::Tex1DArrayU32Float:
169  case NVPTXISD::Tex1DArrayU32FloatLevel:
170  case NVPTXISD::Tex1DArrayU32FloatGrad:
171  case NVPTXISD::Tex2DFloatS32:
172  case NVPTXISD::Tex2DFloatFloat:
173  case NVPTXISD::Tex2DFloatFloatLevel:
174  case NVPTXISD::Tex2DFloatFloatGrad:
175  case NVPTXISD::Tex2DS32S32:
176  case NVPTXISD::Tex2DS32Float:
177  case NVPTXISD::Tex2DS32FloatLevel:
178  case NVPTXISD::Tex2DS32FloatGrad:
179  case NVPTXISD::Tex2DU32S32:
180  case NVPTXISD::Tex2DU32Float:
181  case NVPTXISD::Tex2DU32FloatLevel:
182  case NVPTXISD::Tex2DU32FloatGrad:
183  case NVPTXISD::Tex2DArrayFloatS32:
184  case NVPTXISD::Tex2DArrayFloatFloat:
185  case NVPTXISD::Tex2DArrayFloatFloatLevel:
186  case NVPTXISD::Tex2DArrayFloatFloatGrad:
187  case NVPTXISD::Tex2DArrayS32S32:
188  case NVPTXISD::Tex2DArrayS32Float:
189  case NVPTXISD::Tex2DArrayS32FloatLevel:
190  case NVPTXISD::Tex2DArrayS32FloatGrad:
191  case NVPTXISD::Tex2DArrayU32S32:
192  case NVPTXISD::Tex2DArrayU32Float:
193  case NVPTXISD::Tex2DArrayU32FloatLevel:
194  case NVPTXISD::Tex2DArrayU32FloatGrad:
195  case NVPTXISD::Tex3DFloatS32:
196  case NVPTXISD::Tex3DFloatFloat:
197  case NVPTXISD::Tex3DFloatFloatLevel:
198  case NVPTXISD::Tex3DFloatFloatGrad:
199  case NVPTXISD::Tex3DS32S32:
200  case NVPTXISD::Tex3DS32Float:
201  case NVPTXISD::Tex3DS32FloatLevel:
202  case NVPTXISD::Tex3DS32FloatGrad:
203  case NVPTXISD::Tex3DU32S32:
204  case NVPTXISD::Tex3DU32Float:
205  case NVPTXISD::Tex3DU32FloatLevel:
206  case NVPTXISD::Tex3DU32FloatGrad:
207  case NVPTXISD::TexCubeFloatFloat:
208  case NVPTXISD::TexCubeFloatFloatLevel:
209  case NVPTXISD::TexCubeS32Float:
210  case NVPTXISD::TexCubeS32FloatLevel:
211  case NVPTXISD::TexCubeU32Float:
212  case NVPTXISD::TexCubeU32FloatLevel:
213  case NVPTXISD::TexCubeArrayFloatFloat:
214  case NVPTXISD::TexCubeArrayFloatFloatLevel:
215  case NVPTXISD::TexCubeArrayS32Float:
216  case NVPTXISD::TexCubeArrayS32FloatLevel:
217  case NVPTXISD::TexCubeArrayU32Float:
218  case NVPTXISD::TexCubeArrayU32FloatLevel:
219  case NVPTXISD::Tld4R2DFloatFloat:
220  case NVPTXISD::Tld4G2DFloatFloat:
221  case NVPTXISD::Tld4B2DFloatFloat:
222  case NVPTXISD::Tld4A2DFloatFloat:
223  case NVPTXISD::Tld4R2DS64Float:
224  case NVPTXISD::Tld4G2DS64Float:
225  case NVPTXISD::Tld4B2DS64Float:
226  case NVPTXISD::Tld4A2DS64Float:
227  case NVPTXISD::Tld4R2DU64Float:
228  case NVPTXISD::Tld4G2DU64Float:
229  case NVPTXISD::Tld4B2DU64Float:
230  case NVPTXISD::Tld4A2DU64Float:
231  case NVPTXISD::TexUnified1DFloatS32:
232  case NVPTXISD::TexUnified1DFloatFloat:
233  case NVPTXISD::TexUnified1DFloatFloatLevel:
234  case NVPTXISD::TexUnified1DFloatFloatGrad:
235  case NVPTXISD::TexUnified1DS32S32:
236  case NVPTXISD::TexUnified1DS32Float:
237  case NVPTXISD::TexUnified1DS32FloatLevel:
238  case NVPTXISD::TexUnified1DS32FloatGrad:
239  case NVPTXISD::TexUnified1DU32S32:
240  case NVPTXISD::TexUnified1DU32Float:
241  case NVPTXISD::TexUnified1DU32FloatLevel:
242  case NVPTXISD::TexUnified1DU32FloatGrad:
243  case NVPTXISD::TexUnified1DArrayFloatS32:
244  case NVPTXISD::TexUnified1DArrayFloatFloat:
245  case NVPTXISD::TexUnified1DArrayFloatFloatLevel:
246  case NVPTXISD::TexUnified1DArrayFloatFloatGrad:
247  case NVPTXISD::TexUnified1DArrayS32S32:
248  case NVPTXISD::TexUnified1DArrayS32Float:
249  case NVPTXISD::TexUnified1DArrayS32FloatLevel:
250  case NVPTXISD::TexUnified1DArrayS32FloatGrad:
251  case NVPTXISD::TexUnified1DArrayU32S32:
252  case NVPTXISD::TexUnified1DArrayU32Float:
253  case NVPTXISD::TexUnified1DArrayU32FloatLevel:
254  case NVPTXISD::TexUnified1DArrayU32FloatGrad:
255  case NVPTXISD::TexUnified2DFloatS32:
256  case NVPTXISD::TexUnified2DFloatFloat:
257  case NVPTXISD::TexUnified2DFloatFloatLevel:
258  case NVPTXISD::TexUnified2DFloatFloatGrad:
259  case NVPTXISD::TexUnified2DS32S32:
260  case NVPTXISD::TexUnified2DS32Float:
261  case NVPTXISD::TexUnified2DS32FloatLevel:
262  case NVPTXISD::TexUnified2DS32FloatGrad:
263  case NVPTXISD::TexUnified2DU32S32:
264  case NVPTXISD::TexUnified2DU32Float:
265  case NVPTXISD::TexUnified2DU32FloatLevel:
266  case NVPTXISD::TexUnified2DU32FloatGrad:
267  case NVPTXISD::TexUnified2DArrayFloatS32:
268  case NVPTXISD::TexUnified2DArrayFloatFloat:
269  case NVPTXISD::TexUnified2DArrayFloatFloatLevel:
270  case NVPTXISD::TexUnified2DArrayFloatFloatGrad:
271  case NVPTXISD::TexUnified2DArrayS32S32:
272  case NVPTXISD::TexUnified2DArrayS32Float:
273  case NVPTXISD::TexUnified2DArrayS32FloatLevel:
274  case NVPTXISD::TexUnified2DArrayS32FloatGrad:
275  case NVPTXISD::TexUnified2DArrayU32S32:
276  case NVPTXISD::TexUnified2DArrayU32Float:
277  case NVPTXISD::TexUnified2DArrayU32FloatLevel:
278  case NVPTXISD::TexUnified2DArrayU32FloatGrad:
279  case NVPTXISD::TexUnified3DFloatS32:
280  case NVPTXISD::TexUnified3DFloatFloat:
281  case NVPTXISD::TexUnified3DFloatFloatLevel:
282  case NVPTXISD::TexUnified3DFloatFloatGrad:
283  case NVPTXISD::TexUnified3DS32S32:
284  case NVPTXISD::TexUnified3DS32Float:
285  case NVPTXISD::TexUnified3DS32FloatLevel:
286  case NVPTXISD::TexUnified3DS32FloatGrad:
287  case NVPTXISD::TexUnified3DU32S32:
288  case NVPTXISD::TexUnified3DU32Float:
289  case NVPTXISD::TexUnified3DU32FloatLevel:
290  case NVPTXISD::TexUnified3DU32FloatGrad:
291  case NVPTXISD::TexUnifiedCubeFloatFloat:
292  case NVPTXISD::TexUnifiedCubeFloatFloatLevel:
293  case NVPTXISD::TexUnifiedCubeS32Float:
294  case NVPTXISD::TexUnifiedCubeS32FloatLevel:
295  case NVPTXISD::TexUnifiedCubeU32Float:
296  case NVPTXISD::TexUnifiedCubeU32FloatLevel:
297  case NVPTXISD::TexUnifiedCubeArrayFloatFloat:
298  case NVPTXISD::TexUnifiedCubeArrayFloatFloatLevel:
299  case NVPTXISD::TexUnifiedCubeArrayS32Float:
300  case NVPTXISD::TexUnifiedCubeArrayS32FloatLevel:
301  case NVPTXISD::TexUnifiedCubeArrayU32Float:
302  case NVPTXISD::TexUnifiedCubeArrayU32FloatLevel:
303  case NVPTXISD::Tld4UnifiedR2DFloatFloat:
304  case NVPTXISD::Tld4UnifiedG2DFloatFloat:
305  case NVPTXISD::Tld4UnifiedB2DFloatFloat:
306  case NVPTXISD::Tld4UnifiedA2DFloatFloat:
307  case NVPTXISD::Tld4UnifiedR2DS64Float:
308  case NVPTXISD::Tld4UnifiedG2DS64Float:
309  case NVPTXISD::Tld4UnifiedB2DS64Float:
310  case NVPTXISD::Tld4UnifiedA2DS64Float:
311  case NVPTXISD::Tld4UnifiedR2DU64Float:
312  case NVPTXISD::Tld4UnifiedG2DU64Float:
313  case NVPTXISD::Tld4UnifiedB2DU64Float:
314  case NVPTXISD::Tld4UnifiedA2DU64Float:
315  if (tryTextureIntrinsic(N))
316  return;
317  break;
318  case NVPTXISD::Suld1DI8Clamp:
319  case NVPTXISD::Suld1DI16Clamp:
320  case NVPTXISD::Suld1DI32Clamp:
321  case NVPTXISD::Suld1DI64Clamp:
322  case NVPTXISD::Suld1DV2I8Clamp:
323  case NVPTXISD::Suld1DV2I16Clamp:
324  case NVPTXISD::Suld1DV2I32Clamp:
325  case NVPTXISD::Suld1DV2I64Clamp:
326  case NVPTXISD::Suld1DV4I8Clamp:
327  case NVPTXISD::Suld1DV4I16Clamp:
328  case NVPTXISD::Suld1DV4I32Clamp:
329  case NVPTXISD::Suld1DArrayI8Clamp:
330  case NVPTXISD::Suld1DArrayI16Clamp:
331  case NVPTXISD::Suld1DArrayI32Clamp:
332  case NVPTXISD::Suld1DArrayI64Clamp:
333  case NVPTXISD::Suld1DArrayV2I8Clamp:
334  case NVPTXISD::Suld1DArrayV2I16Clamp:
335  case NVPTXISD::Suld1DArrayV2I32Clamp:
336  case NVPTXISD::Suld1DArrayV2I64Clamp:
337  case NVPTXISD::Suld1DArrayV4I8Clamp:
338  case NVPTXISD::Suld1DArrayV4I16Clamp:
339  case NVPTXISD::Suld1DArrayV4I32Clamp:
340  case NVPTXISD::Suld2DI8Clamp:
341  case NVPTXISD::Suld2DI16Clamp:
342  case NVPTXISD::Suld2DI32Clamp:
343  case NVPTXISD::Suld2DI64Clamp:
344  case NVPTXISD::Suld2DV2I8Clamp:
345  case NVPTXISD::Suld2DV2I16Clamp:
346  case NVPTXISD::Suld2DV2I32Clamp:
347  case NVPTXISD::Suld2DV2I64Clamp:
348  case NVPTXISD::Suld2DV4I8Clamp:
349  case NVPTXISD::Suld2DV4I16Clamp:
350  case NVPTXISD::Suld2DV4I32Clamp:
351  case NVPTXISD::Suld2DArrayI8Clamp:
352  case NVPTXISD::Suld2DArrayI16Clamp:
353  case NVPTXISD::Suld2DArrayI32Clamp:
354  case NVPTXISD::Suld2DArrayI64Clamp:
355  case NVPTXISD::Suld2DArrayV2I8Clamp:
356  case NVPTXISD::Suld2DArrayV2I16Clamp:
357  case NVPTXISD::Suld2DArrayV2I32Clamp:
358  case NVPTXISD::Suld2DArrayV2I64Clamp:
359  case NVPTXISD::Suld2DArrayV4I8Clamp:
360  case NVPTXISD::Suld2DArrayV4I16Clamp:
361  case NVPTXISD::Suld2DArrayV4I32Clamp:
362  case NVPTXISD::Suld3DI8Clamp:
363  case NVPTXISD::Suld3DI16Clamp:
364  case NVPTXISD::Suld3DI32Clamp:
365  case NVPTXISD::Suld3DI64Clamp:
366  case NVPTXISD::Suld3DV2I8Clamp:
367  case NVPTXISD::Suld3DV2I16Clamp:
368  case NVPTXISD::Suld3DV2I32Clamp:
369  case NVPTXISD::Suld3DV2I64Clamp:
370  case NVPTXISD::Suld3DV4I8Clamp:
371  case NVPTXISD::Suld3DV4I16Clamp:
372  case NVPTXISD::Suld3DV4I32Clamp:
373  case NVPTXISD::Suld1DI8Trap:
374  case NVPTXISD::Suld1DI16Trap:
375  case NVPTXISD::Suld1DI32Trap:
376  case NVPTXISD::Suld1DI64Trap:
377  case NVPTXISD::Suld1DV2I8Trap:
378  case NVPTXISD::Suld1DV2I16Trap:
379  case NVPTXISD::Suld1DV2I32Trap:
380  case NVPTXISD::Suld1DV2I64Trap:
381  case NVPTXISD::Suld1DV4I8Trap:
382  case NVPTXISD::Suld1DV4I16Trap:
383  case NVPTXISD::Suld1DV4I32Trap:
384  case NVPTXISD::Suld1DArrayI8Trap:
385  case NVPTXISD::Suld1DArrayI16Trap:
386  case NVPTXISD::Suld1DArrayI32Trap:
387  case NVPTXISD::Suld1DArrayI64Trap:
388  case NVPTXISD::Suld1DArrayV2I8Trap:
389  case NVPTXISD::Suld1DArrayV2I16Trap:
390  case NVPTXISD::Suld1DArrayV2I32Trap:
391  case NVPTXISD::Suld1DArrayV2I64Trap:
392  case NVPTXISD::Suld1DArrayV4I8Trap:
393  case NVPTXISD::Suld1DArrayV4I16Trap:
394  case NVPTXISD::Suld1DArrayV4I32Trap:
395  case NVPTXISD::Suld2DI8Trap:
396  case NVPTXISD::Suld2DI16Trap:
397  case NVPTXISD::Suld2DI32Trap:
398  case NVPTXISD::Suld2DI64Trap:
399  case NVPTXISD::Suld2DV2I8Trap:
400  case NVPTXISD::Suld2DV2I16Trap:
401  case NVPTXISD::Suld2DV2I32Trap:
402  case NVPTXISD::Suld2DV2I64Trap:
403  case NVPTXISD::Suld2DV4I8Trap:
404  case NVPTXISD::Suld2DV4I16Trap:
405  case NVPTXISD::Suld2DV4I32Trap:
406  case NVPTXISD::Suld2DArrayI8Trap:
407  case NVPTXISD::Suld2DArrayI16Trap:
408  case NVPTXISD::Suld2DArrayI32Trap:
409  case NVPTXISD::Suld2DArrayI64Trap:
410  case NVPTXISD::Suld2DArrayV2I8Trap:
411  case NVPTXISD::Suld2DArrayV2I16Trap:
412  case NVPTXISD::Suld2DArrayV2I32Trap:
413  case NVPTXISD::Suld2DArrayV2I64Trap:
414  case NVPTXISD::Suld2DArrayV4I8Trap:
415  case NVPTXISD::Suld2DArrayV4I16Trap:
416  case NVPTXISD::Suld2DArrayV4I32Trap:
417  case NVPTXISD::Suld3DI8Trap:
418  case NVPTXISD::Suld3DI16Trap:
419  case NVPTXISD::Suld3DI32Trap:
420  case NVPTXISD::Suld3DI64Trap:
421  case NVPTXISD::Suld3DV2I8Trap:
422  case NVPTXISD::Suld3DV2I16Trap:
423  case NVPTXISD::Suld3DV2I32Trap:
424  case NVPTXISD::Suld3DV2I64Trap:
425  case NVPTXISD::Suld3DV4I8Trap:
426  case NVPTXISD::Suld3DV4I16Trap:
427  case NVPTXISD::Suld3DV4I32Trap:
428  case NVPTXISD::Suld1DI8Zero:
429  case NVPTXISD::Suld1DI16Zero:
430  case NVPTXISD::Suld1DI32Zero:
431  case NVPTXISD::Suld1DI64Zero:
432  case NVPTXISD::Suld1DV2I8Zero:
433  case NVPTXISD::Suld1DV2I16Zero:
434  case NVPTXISD::Suld1DV2I32Zero:
435  case NVPTXISD::Suld1DV2I64Zero:
436  case NVPTXISD::Suld1DV4I8Zero:
437  case NVPTXISD::Suld1DV4I16Zero:
438  case NVPTXISD::Suld1DV4I32Zero:
439  case NVPTXISD::Suld1DArrayI8Zero:
440  case NVPTXISD::Suld1DArrayI16Zero:
441  case NVPTXISD::Suld1DArrayI32Zero:
442  case NVPTXISD::Suld1DArrayI64Zero:
443  case NVPTXISD::Suld1DArrayV2I8Zero:
444  case NVPTXISD::Suld1DArrayV2I16Zero:
445  case NVPTXISD::Suld1DArrayV2I32Zero:
446  case NVPTXISD::Suld1DArrayV2I64Zero:
447  case NVPTXISD::Suld1DArrayV4I8Zero:
448  case NVPTXISD::Suld1DArrayV4I16Zero:
449  case NVPTXISD::Suld1DArrayV4I32Zero:
450  case NVPTXISD::Suld2DI8Zero:
451  case NVPTXISD::Suld2DI16Zero:
452  case NVPTXISD::Suld2DI32Zero:
453  case NVPTXISD::Suld2DI64Zero:
454  case NVPTXISD::Suld2DV2I8Zero:
455  case NVPTXISD::Suld2DV2I16Zero:
456  case NVPTXISD::Suld2DV2I32Zero:
457  case NVPTXISD::Suld2DV2I64Zero:
458  case NVPTXISD::Suld2DV4I8Zero:
459  case NVPTXISD::Suld2DV4I16Zero:
460  case NVPTXISD::Suld2DV4I32Zero:
461  case NVPTXISD::Suld2DArrayI8Zero:
462  case NVPTXISD::Suld2DArrayI16Zero:
463  case NVPTXISD::Suld2DArrayI32Zero:
464  case NVPTXISD::Suld2DArrayI64Zero:
465  case NVPTXISD::Suld2DArrayV2I8Zero:
466  case NVPTXISD::Suld2DArrayV2I16Zero:
467  case NVPTXISD::Suld2DArrayV2I32Zero:
468  case NVPTXISD::Suld2DArrayV2I64Zero:
469  case NVPTXISD::Suld2DArrayV4I8Zero:
470  case NVPTXISD::Suld2DArrayV4I16Zero:
471  case NVPTXISD::Suld2DArrayV4I32Zero:
472  case NVPTXISD::Suld3DI8Zero:
473  case NVPTXISD::Suld3DI16Zero:
474  case NVPTXISD::Suld3DI32Zero:
475  case NVPTXISD::Suld3DI64Zero:
476  case NVPTXISD::Suld3DV2I8Zero:
477  case NVPTXISD::Suld3DV2I16Zero:
478  case NVPTXISD::Suld3DV2I32Zero:
479  case NVPTXISD::Suld3DV2I64Zero:
480  case NVPTXISD::Suld3DV4I8Zero:
481  case NVPTXISD::Suld3DV4I16Zero:
482  case NVPTXISD::Suld3DV4I32Zero:
483  if (trySurfaceIntrinsic(N))
484  return;
485  break;
486  case ISD::AND:
487  case ISD::SRA:
488  case ISD::SRL:
489  // Try to select BFE
490  if (tryBFE(N))
491  return;
492  break;
493  case ISD::ADDRSPACECAST:
494  SelectAddrSpaceCast(N);
495  return;
496  case ISD::ConstantFP:
497  if (tryConstantFP16(N))
498  return;
499  break;
500  default:
501  break;
502  }
503  SelectCode(N);
504 }
505 
506 bool NVPTXDAGToDAGISel::tryIntrinsicChain(SDNode *N) {
507  unsigned IID = cast<ConstantSDNode>(N->getOperand(1))->getZExtValue();
508  switch (IID) {
509  default:
510  return false;
511  case Intrinsic::nvvm_ldg_global_f:
512  case Intrinsic::nvvm_ldg_global_i:
513  case Intrinsic::nvvm_ldg_global_p:
514  case Intrinsic::nvvm_ldu_global_f:
515  case Intrinsic::nvvm_ldu_global_i:
516  case Intrinsic::nvvm_ldu_global_p:
517  return tryLDGLDU(N);
518  }
519 }
520 
521 // There's no way to specify FP16 immediates in .f16 ops, so we have to
522 // load them into an .f16 register first.
523 bool NVPTXDAGToDAGISel::tryConstantFP16(SDNode *N) {
524  if (N->getValueType(0) != MVT::f16)
525  return false;
526  SDValue Val = CurDAG->getTargetConstantFP(
527  cast<ConstantFPSDNode>(N)->getValueAPF(), SDLoc(N), MVT::f16);
528  SDNode *LoadConstF16 =
529  CurDAG->getMachineNode(NVPTX::LOAD_CONST_F16, SDLoc(N), MVT::f16, Val);
530  ReplaceNode(N, LoadConstF16);
531  return true;
532 }
533 
534 // Map ISD:CONDCODE value to appropriate CmpMode expected by
535 // NVPTXInstPrinter::printCmpMode()
536 static unsigned getPTXCmpMode(const CondCodeSDNode &CondCode, bool FTZ) {
537  using NVPTX::PTXCmpMode::CmpMode;
538  unsigned PTXCmpMode = [](ISD::CondCode CC) {
539  switch (CC) {
540  default:
541  llvm_unreachable("Unexpected condition code.");
542  case ISD::SETOEQ:
543  return CmpMode::EQ;
544  case ISD::SETOGT:
545  return CmpMode::GT;
546  case ISD::SETOGE:
547  return CmpMode::GE;
548  case ISD::SETOLT:
549  return CmpMode::LT;
550  case ISD::SETOLE:
551  return CmpMode::LE;
552  case ISD::SETONE:
553  return CmpMode::NE;
554  case ISD::SETO:
555  return CmpMode::NUM;
556  case ISD::SETUO:
557  return CmpMode::NotANumber;
558  case ISD::SETUEQ:
559  return CmpMode::EQU;
560  case ISD::SETUGT:
561  return CmpMode::GTU;
562  case ISD::SETUGE:
563  return CmpMode::GEU;
564  case ISD::SETULT:
565  return CmpMode::LTU;
566  case ISD::SETULE:
567  return CmpMode::LEU;
568  case ISD::SETUNE:
569  return CmpMode::NEU;
570  case ISD::SETEQ:
571  return CmpMode::EQ;
572  case ISD::SETGT:
573  return CmpMode::GT;
574  case ISD::SETGE:
575  return CmpMode::GE;
576  case ISD::SETLT:
577  return CmpMode::LT;
578  case ISD::SETLE:
579  return CmpMode::LE;
580  case ISD::SETNE:
581  return CmpMode::NE;
582  }
583  }(CondCode.get());
584 
585  if (FTZ)
586  PTXCmpMode |= NVPTX::PTXCmpMode::FTZ_FLAG;
587 
588  return PTXCmpMode;
589 }
590 
591 bool NVPTXDAGToDAGISel::SelectSETP_F16X2(SDNode *N) {
592  unsigned PTXCmpMode =
593  getPTXCmpMode(*cast<CondCodeSDNode>(N->getOperand(2)), useF32FTZ());
594  SDLoc DL(N);
595  SDNode *SetP = CurDAG->getMachineNode(
596  NVPTX::SETP_f16x2rr, DL, MVT::i1, MVT::i1, N->getOperand(0),
597  N->getOperand(1), CurDAG->getTargetConstant(PTXCmpMode, DL, MVT::i32));
598  ReplaceNode(N, SetP);
599  return true;
600 }
601 
602 // Find all instances of extract_vector_elt that use this v2f16 vector
603 // and coalesce them into a scattering move instruction.
604 bool NVPTXDAGToDAGISel::tryEXTRACT_VECTOR_ELEMENT(SDNode *N) {
605  SDValue Vector = N->getOperand(0);
606 
607  // We only care about f16x2 as it's the only real vector type we
608  // need to deal with.
609  if (Vector.getSimpleValueType() != MVT::v2f16)
610  return false;
611 
612  // Find and record all uses of this vector that extract element 0 or 1.
613  SmallVector<SDNode *, 4> E0, E1;
614  for (const auto &U : Vector.getNode()->uses()) {
615  if (U->getOpcode() != ISD::EXTRACT_VECTOR_ELT)
616  continue;
617  if (U->getOperand(0) != Vector)
618  continue;
619  if (const ConstantSDNode *IdxConst =
620  dyn_cast<ConstantSDNode>(U->getOperand(1))) {
621  if (IdxConst->getZExtValue() == 0)
622  E0.push_back(U);
623  else if (IdxConst->getZExtValue() == 1)
624  E1.push_back(U);
625  else
626  llvm_unreachable("Invalid vector index.");
627  }
628  }
629 
630  // There's no point scattering f16x2 if we only ever access one
631  // element of it.
632  if (E0.empty() || E1.empty())
633  return false;
634 
635  unsigned Op = NVPTX::SplitF16x2;
636  // If the vector has been BITCAST'ed from i32, we can use original
637  // value directly and avoid register-to-register move.
638  SDValue Source = Vector;
639  if (Vector->getOpcode() == ISD::BITCAST) {
640  Op = NVPTX::SplitI32toF16x2;
641  Source = Vector->getOperand(0);
642  }
643  // Merge (f16 extractelt(V, 0), f16 extractelt(V,1))
644  // into f16,f16 SplitF16x2(V)
645  SDNode *ScatterOp =
646  CurDAG->getMachineNode(Op, SDLoc(N), MVT::f16, MVT::f16, Source);
647  for (auto *Node : E0)
648  ReplaceUses(SDValue(Node, 0), SDValue(ScatterOp, 0));
649  for (auto *Node : E1)
650  ReplaceUses(SDValue(Node, 0), SDValue(ScatterOp, 1));
651 
652  return true;
653 }
654 
655 static unsigned int getCodeAddrSpace(MemSDNode *N) {
656  const Value *Src = N->getMemOperand()->getValue();
657 
658  if (!Src)
659  return NVPTX::PTXLdStInstCode::GENERIC;
660 
661  if (auto *PT = dyn_cast<PointerType>(Src->getType())) {
662  switch (PT->getAddressSpace()) {
663  case llvm::ADDRESS_SPACE_LOCAL: return NVPTX::PTXLdStInstCode::LOCAL;
664  case llvm::ADDRESS_SPACE_GLOBAL: return NVPTX::PTXLdStInstCode::GLOBAL;
665  case llvm::ADDRESS_SPACE_SHARED: return NVPTX::PTXLdStInstCode::SHARED;
666  case llvm::ADDRESS_SPACE_GENERIC: return NVPTX::PTXLdStInstCode::GENERIC;
667  case llvm::ADDRESS_SPACE_PARAM: return NVPTX::PTXLdStInstCode::PARAM;
668  case llvm::ADDRESS_SPACE_CONST: return NVPTX::PTXLdStInstCode::CONSTANT;
669  default: break;
670  }
671  }
672  return NVPTX::PTXLdStInstCode::GENERIC;
673 }
674 
675 static bool canLowerToLDG(MemSDNode *N, const NVPTXSubtarget &Subtarget,
676  unsigned CodeAddrSpace, MachineFunction *F) {
677  // We use ldg (i.e. ld.global.nc) for invariant loads from the global address
678  // space.
679  //
680  // We have two ways of identifying invariant loads: Loads may be explicitly
681  // marked as invariant, or we may infer them to be invariant.
682  //
683  // We currently infer invariance for loads from
684  // - constant global variables, and
685  // - kernel function pointer params that are noalias (i.e. __restrict) and
686  // never written to.
687  //
688  // TODO: Perform a more powerful invariance analysis (ideally IPO, and ideally
689  // not during the SelectionDAG phase).
690  //
691  // TODO: Infer invariance only at -O2. We still want to use ldg at -O0 for
692  // explicitly invariant loads because these are how clang tells us to use ldg
693  // when the user uses a builtin.
694  if (!Subtarget.hasLDG() || CodeAddrSpace != NVPTX::PTXLdStInstCode::GLOBAL)
695  return false;
696 
697  if (N->isInvariant())
698  return true;
699 
700  bool IsKernelFn = isKernelFunction(F->getFunction());
701 
702  // We use GetUnderlyingObjects() here instead of GetUnderlyingObject() mainly
703  // because the former looks through phi nodes while the latter does not. We
704  // need to look through phi nodes to handle pointer induction variables.
705  SmallVector<Value *, 8> Objs;
706  GetUnderlyingObjects(const_cast<Value *>(N->getMemOperand()->getValue()),
707  Objs, F->getDataLayout());
708 
709  return all_of(Objs, [&](Value *V) {
710  if (auto *A = dyn_cast<const Argument>(V))
711  return IsKernelFn && A->onlyReadsMemory() && A->hasNoAliasAttr();
712  if (auto *GV = dyn_cast<const GlobalVariable>(V))
713  return GV->isConstant();
714  return false;
715  });
716 }
717 
718 bool NVPTXDAGToDAGISel::tryIntrinsicNoChain(SDNode *N) {
719  unsigned IID = cast<ConstantSDNode>(N->getOperand(0))->getZExtValue();
720  switch (IID) {
721  default:
722  return false;
723  case Intrinsic::nvvm_texsurf_handle_internal:
724  SelectTexSurfHandle(N);
725  return true;
726  }
727 }
728 
729 void NVPTXDAGToDAGISel::SelectTexSurfHandle(SDNode *N) {
730  // Op 0 is the intrinsic ID
731  SDValue Wrapper = N->getOperand(1);
732  SDValue GlobalVal = Wrapper.getOperand(0);
733  ReplaceNode(N, CurDAG->getMachineNode(NVPTX::texsurf_handles, SDLoc(N),
734  MVT::i64, GlobalVal));
735 }
736 
737 void NVPTXDAGToDAGISel::SelectAddrSpaceCast(SDNode *N) {
738  SDValue Src = N->getOperand(0);
739  AddrSpaceCastSDNode *CastN = cast<AddrSpaceCastSDNode>(N);
740  unsigned SrcAddrSpace = CastN->getSrcAddressSpace();
741  unsigned DstAddrSpace = CastN->getDestAddressSpace();
742  assert(SrcAddrSpace != DstAddrSpace &&
743  "addrspacecast must be between different address spaces");
744 
745  if (DstAddrSpace == ADDRESS_SPACE_GENERIC) {
746  // Specific to generic
747  unsigned Opc;
748  switch (SrcAddrSpace) {
749  default: report_fatal_error("Bad address space in addrspacecast");
750  case ADDRESS_SPACE_GLOBAL:
751  Opc = TM.is64Bit() ? NVPTX::cvta_global_yes_64 : NVPTX::cvta_global_yes;
752  break;
753  case ADDRESS_SPACE_SHARED:
754  Opc = TM.is64Bit() ? (useShortPointers() ? NVPTX::cvta_shared_yes_6432
755  : NVPTX::cvta_shared_yes_64)
756  : NVPTX::cvta_shared_yes;
757  break;
758  case ADDRESS_SPACE_CONST:
759  Opc = TM.is64Bit() ? (useShortPointers() ? NVPTX::cvta_const_yes_6432
760  : NVPTX::cvta_const_yes_64)
761  : NVPTX::cvta_const_yes;
762  break;
763  case ADDRESS_SPACE_LOCAL:
764  Opc = TM.is64Bit() ? (useShortPointers() ? NVPTX::cvta_local_yes_6432
765  : NVPTX::cvta_local_yes_64)
766  : NVPTX::cvta_local_yes;
767  break;
768  }
769  ReplaceNode(N, CurDAG->getMachineNode(Opc, SDLoc(N), N->getValueType(0),
770  Src));
771  return;
772  } else {
773  // Generic to specific
774  if (SrcAddrSpace != 0)
775  report_fatal_error("Cannot cast between two non-generic address spaces");
776  unsigned Opc;
777  switch (DstAddrSpace) {
778  default: report_fatal_error("Bad address space in addrspacecast");
779  case ADDRESS_SPACE_GLOBAL:
780  Opc = TM.is64Bit() ? NVPTX::cvta_to_global_yes_64
781  : NVPTX::cvta_to_global_yes;
782  break;
783  case ADDRESS_SPACE_SHARED:
784  Opc = TM.is64Bit() ? (useShortPointers() ? NVPTX::cvta_to_shared_yes_3264
785  : NVPTX::cvta_to_shared_yes_64)
786  : NVPTX::cvta_to_shared_yes;
787  break;
788  case ADDRESS_SPACE_CONST:
789  Opc = TM.is64Bit() ? (useShortPointers() ? NVPTX::cvta_to_const_yes_3264
790  : NVPTX::cvta_to_const_yes_64)
791  : NVPTX::cvta_to_const_yes;
792  break;
793  case ADDRESS_SPACE_LOCAL:
794  Opc = TM.is64Bit() ? (useShortPointers() ? NVPTX::cvta_to_local_yes_3264
795  : NVPTX::cvta_to_local_yes_64)
796  : NVPTX::cvta_to_local_yes;
797  break;
798  case ADDRESS_SPACE_PARAM:
799  Opc = TM.is64Bit() ? NVPTX::nvvm_ptr_gen_to_param_64
800  : NVPTX::nvvm_ptr_gen_to_param;
801  break;
802  }
803  ReplaceNode(N, CurDAG->getMachineNode(Opc, SDLoc(N), N->getValueType(0),
804  Src));
805  return;
806  }
807 }
808 
809 // Helper function template to reduce amount of boilerplate code for
810 // opcode selection.
811 static Optional<unsigned> pickOpcodeForVT(
812  MVT::SimpleValueType VT, unsigned Opcode_i8, unsigned Opcode_i16,
813  unsigned Opcode_i32, Optional<unsigned> Opcode_i64, unsigned Opcode_f16,
814  unsigned Opcode_f16x2, unsigned Opcode_f32, Optional<unsigned> Opcode_f64) {
815  switch (VT) {
816  case MVT::i1:
817  case MVT::i8:
818  return Opcode_i8;
819  case MVT::i16:
820  return Opcode_i16;
821  case MVT::i32:
822  return Opcode_i32;
823  case MVT::i64:
824  return Opcode_i64;
825  case MVT::f16:
826  return Opcode_f16;
827  case MVT::v2f16:
828  return Opcode_f16x2;
829  case MVT::f32:
830  return Opcode_f32;
831  case MVT::f64:
832  return Opcode_f64;
833  default:
834  return None;
835  }
836 }
837 
838 bool NVPTXDAGToDAGISel::tryLoad(SDNode *N) {
839  SDLoc dl(N);
840  MemSDNode *LD = cast<MemSDNode>(N);
841  assert(LD->readMem() && "Expected load");
842  LoadSDNode *PlainLoad = dyn_cast<LoadSDNode>(N);
843  EVT LoadedVT = LD->getMemoryVT();
844  SDNode *NVPTXLD = nullptr;
845 
846  // do not support pre/post inc/dec
847  if (PlainLoad && PlainLoad->isIndexed())
848  return false;
849 
850  if (!LoadedVT.isSimple())
851  return false;
852 
853  AtomicOrdering Ordering = LD->getOrdering();
854  // In order to lower atomic loads with stronger guarantees we would need to
855  // use load.acquire or insert fences. However these features were only added
856  // with PTX ISA 6.0 / sm_70.
857  // TODO: Check if we can actually use the new instructions and implement them.
858  if (isStrongerThanMonotonic(Ordering))
859  return false;
860 
861  // Address Space Setting
862  unsigned int CodeAddrSpace = getCodeAddrSpace(LD);
863  if (canLowerToLDG(LD, *Subtarget, CodeAddrSpace, MF)) {
864  return tryLDGLDU(N);
865  }
866 
867  unsigned int PointerSize =
868  CurDAG->getDataLayout().getPointerSizeInBits(LD->getAddressSpace());
869 
870  // Volatile Setting
871  // - .volatile is only available for .global and .shared
872  // - .volatile has the same memory synchronization semantics as .relaxed.sys
873  bool isVolatile = LD->isVolatile() || Ordering == AtomicOrdering::Monotonic;
874  if (CodeAddrSpace != NVPTX::PTXLdStInstCode::GLOBAL &&
875  CodeAddrSpace != NVPTX::PTXLdStInstCode::SHARED &&
876  CodeAddrSpace != NVPTX::PTXLdStInstCode::GENERIC)
877  isVolatile = false;
878 
879  // Type Setting: fromType + fromTypeWidth
880  //
881  // Sign : ISD::SEXTLOAD
882  // Unsign : ISD::ZEXTLOAD, ISD::NON_EXTLOAD or ISD::EXTLOAD and the
883  // type is integer
884  // Float : ISD::NON_EXTLOAD or ISD::EXTLOAD and the type is float
885  MVT SimpleVT = LoadedVT.getSimpleVT();
886  MVT ScalarVT = SimpleVT.getScalarType();
887  // Read at least 8 bits (predicates are stored as 8-bit values)
888  unsigned fromTypeWidth = std::max(8U, ScalarVT.getSizeInBits());
889  unsigned int fromType;
890 
891  // Vector Setting
892  unsigned vecType = NVPTX::PTXLdStInstCode::Scalar;
893  if (SimpleVT.isVector()) {
894  assert(LoadedVT == MVT::v2f16 && "Unexpected vector type");
895  // v2f16 is loaded using ld.b32
896  fromTypeWidth = 32;
897  }
898 
899  if (PlainLoad && (PlainLoad->getExtensionType() == ISD::SEXTLOAD))
900  fromType = NVPTX::PTXLdStInstCode::Signed;
901  else if (ScalarVT.isFloatingPoint())
902  // f16 uses .b16 as its storage type.
903  fromType = ScalarVT.SimpleTy == MVT::f16 ? NVPTX::PTXLdStInstCode::Untyped
904  : NVPTX::PTXLdStInstCode::Float;
905  else
906  fromType = NVPTX::PTXLdStInstCode::Unsigned;
907 
908  // Create the machine instruction DAG
909  SDValue Chain = N->getOperand(0);
910  SDValue N1 = N->getOperand(1);
911  SDValue Addr;
912  SDValue Offset, Base;
913  Optional<unsigned> Opcode;
914  MVT::SimpleValueType TargetVT = LD->getSimpleValueType(0).SimpleTy;
915 
916  if (SelectDirectAddr(N1, Addr)) {
917  Opcode = pickOpcodeForVT(
918  TargetVT, NVPTX::LD_i8_avar, NVPTX::LD_i16_avar, NVPTX::LD_i32_avar,
919  NVPTX::LD_i64_avar, NVPTX::LD_f16_avar, NVPTX::LD_f16x2_avar,
920  NVPTX::LD_f32_avar, NVPTX::LD_f64_avar);
921  if (!Opcode)
922  return false;
923  SDValue Ops[] = { getI32Imm(isVolatile, dl), getI32Imm(CodeAddrSpace, dl),
924  getI32Imm(vecType, dl), getI32Imm(fromType, dl),
925  getI32Imm(fromTypeWidth, dl), Addr, Chain };
926  NVPTXLD = CurDAG->getMachineNode(Opcode.getValue(), dl, TargetVT,
927  MVT::Other, Ops);
928  } else if (PointerSize == 64 ? SelectADDRsi64(N1.getNode(), N1, Base, Offset)
929  : SelectADDRsi(N1.getNode(), N1, Base, Offset)) {
930  Opcode = pickOpcodeForVT(TargetVT, NVPTX::LD_i8_asi, NVPTX::LD_i16_asi,
931  NVPTX::LD_i32_asi, NVPTX::LD_i64_asi,
932  NVPTX::LD_f16_asi, NVPTX::LD_f16x2_asi,
933  NVPTX::LD_f32_asi, NVPTX::LD_f64_asi);
934  if (!Opcode)
935  return false;
936  SDValue Ops[] = { getI32Imm(isVolatile, dl), getI32Imm(CodeAddrSpace, dl),
937  getI32Imm(vecType, dl), getI32Imm(fromType, dl),
938  getI32Imm(fromTypeWidth, dl), Base, Offset, Chain };
939  NVPTXLD = CurDAG->getMachineNode(Opcode.getValue(), dl, TargetVT,
940  MVT::Other, Ops);
941  } else if (PointerSize == 64 ? SelectADDRri64(N1.getNode(), N1, Base, Offset)
942  : SelectADDRri(N1.getNode(), N1, Base, Offset)) {
943  if (PointerSize == 64)
944  Opcode = pickOpcodeForVT(
945  TargetVT, NVPTX::LD_i8_ari_64, NVPTX::LD_i16_ari_64,
946  NVPTX::LD_i32_ari_64, NVPTX::LD_i64_ari_64, NVPTX::LD_f16_ari_64,
947  NVPTX::LD_f16x2_ari_64, NVPTX::LD_f32_ari_64, NVPTX::LD_f64_ari_64);
948  else
949  Opcode = pickOpcodeForVT(
950  TargetVT, NVPTX::LD_i8_ari, NVPTX::LD_i16_ari, NVPTX::LD_i32_ari,
951  NVPTX::LD_i64_ari, NVPTX::LD_f16_ari, NVPTX::LD_f16x2_ari,
952  NVPTX::LD_f32_ari, NVPTX::LD_f64_ari);
953  if (!Opcode)
954  return false;
955  SDValue Ops[] = { getI32Imm(isVolatile, dl), getI32Imm(CodeAddrSpace, dl),
956  getI32Imm(vecType, dl), getI32Imm(fromType, dl),
957  getI32Imm(fromTypeWidth, dl), Base, Offset, Chain };
958  NVPTXLD = CurDAG->getMachineNode(Opcode.getValue(), dl, TargetVT,
959  MVT::Other, Ops);
960  } else {
961  if (PointerSize == 64)
962  Opcode = pickOpcodeForVT(
963  TargetVT, NVPTX::LD_i8_areg_64, NVPTX::LD_i16_areg_64,
964  NVPTX::LD_i32_areg_64, NVPTX::LD_i64_areg_64, NVPTX::LD_f16_areg_64,
965  NVPTX::LD_f16x2_areg_64, NVPTX::LD_f32_areg_64,
966  NVPTX::LD_f64_areg_64);
967  else
968  Opcode = pickOpcodeForVT(
969  TargetVT, NVPTX::LD_i8_areg, NVPTX::LD_i16_areg, NVPTX::LD_i32_areg,
970  NVPTX::LD_i64_areg, NVPTX::LD_f16_areg, NVPTX::LD_f16x2_areg,
971  NVPTX::LD_f32_areg, NVPTX::LD_f64_areg);
972  if (!Opcode)
973  return false;
974  SDValue Ops[] = { getI32Imm(isVolatile, dl), getI32Imm(CodeAddrSpace, dl),
975  getI32Imm(vecType, dl), getI32Imm(fromType, dl),
976  getI32Imm(fromTypeWidth, dl), N1, Chain };
977  NVPTXLD = CurDAG->getMachineNode(Opcode.getValue(), dl, TargetVT,
978  MVT::Other, Ops);
979  }
980 
981  if (!NVPTXLD)
982  return false;
983 
984  MachineMemOperand *MemRef = cast<MemSDNode>(N)->getMemOperand();
985  CurDAG->setNodeMemRefs(cast<MachineSDNode>(NVPTXLD), {MemRef});
986 
987  ReplaceNode(N, NVPTXLD);
988  return true;
989 }
990 
991 bool NVPTXDAGToDAGISel::tryLoadVector(SDNode *N) {
992 
993  SDValue Chain = N->getOperand(0);
994  SDValue Op1 = N->getOperand(1);
995  SDValue Addr, Offset, Base;
996  Optional<unsigned> Opcode;
997  SDLoc DL(N);
998  SDNode *LD;
999  MemSDNode *MemSD = cast<MemSDNode>(N);
1000  EVT LoadedVT = MemSD->getMemoryVT();
1001 
1002  if (!LoadedVT.isSimple())
1003  return false;
1004 
1005  // Address Space Setting
1006  unsigned int CodeAddrSpace = getCodeAddrSpace(MemSD);
1007  if (canLowerToLDG(MemSD, *Subtarget, CodeAddrSpace, MF)) {
1008  return tryLDGLDU(N);
1009  }
1010 
1011  unsigned int PointerSize =
1012  CurDAG->getDataLayout().getPointerSizeInBits(MemSD->getAddressSpace());
1013 
1014  // Volatile Setting
1015  // - .volatile is only availalble for .global and .shared
1016  bool IsVolatile = MemSD->isVolatile();
1017  if (CodeAddrSpace != NVPTX::PTXLdStInstCode::GLOBAL &&
1018  CodeAddrSpace != NVPTX::PTXLdStInstCode::SHARED &&
1019  CodeAddrSpace != NVPTX::PTXLdStInstCode::GENERIC)
1020  IsVolatile = false;
1021 
1022  // Vector Setting
1023  MVT SimpleVT = LoadedVT.getSimpleVT();
1024 
1025  // Type Setting: fromType + fromTypeWidth
1026  //
1027  // Sign : ISD::SEXTLOAD
1028  // Unsign : ISD::ZEXTLOAD, ISD::NON_EXTLOAD or ISD::EXTLOAD and the
1029  // type is integer
1030  // Float : ISD::NON_EXTLOAD or ISD::EXTLOAD and the type is float
1031  MVT ScalarVT = SimpleVT.getScalarType();
1032  // Read at least 8 bits (predicates are stored as 8-bit values)
1033  unsigned FromTypeWidth = std::max(8U, ScalarVT.getSizeInBits());
1034  unsigned int FromType;
1035  // The last operand holds the original LoadSDNode::getExtensionType() value
1036  unsigned ExtensionType = cast<ConstantSDNode>(
1037  N->getOperand(N->getNumOperands() - 1))->getZExtValue();
1038  if (ExtensionType == ISD::SEXTLOAD)
1039  FromType = NVPTX::PTXLdStInstCode::Signed;
1040  else if (ScalarVT.isFloatingPoint())
1041  FromType = ScalarVT.SimpleTy == MVT::f16 ? NVPTX::PTXLdStInstCode::Untyped
1042  : NVPTX::PTXLdStInstCode::Float;
1043  else
1044  FromType = NVPTX::PTXLdStInstCode::Unsigned;
1045 
1046  unsigned VecType;
1047 
1048  switch (N->getOpcode()) {
1049  case NVPTXISD::LoadV2:
1050  VecType = NVPTX::PTXLdStInstCode::V2;
1051  break;
1052  case NVPTXISD::LoadV4:
1053  VecType = NVPTX::PTXLdStInstCode::V4;
1054  break;
1055  default:
1056  return false;
1057  }
1058 
1059  EVT EltVT = N->getValueType(0);
1060 
1061  // v8f16 is a special case. PTX doesn't have ld.v8.f16
1062  // instruction. Instead, we split the vector into v2f16 chunks and
1063  // load them with ld.v4.b32.
1064  if (EltVT == MVT::v2f16) {
1065  assert(N->getOpcode() == NVPTXISD::LoadV4 && "Unexpected load opcode.");
1066  EltVT = MVT::i32;
1067  FromType = NVPTX::PTXLdStInstCode::Untyped;
1068  FromTypeWidth = 32;
1069  }
1070 
1071  if (SelectDirectAddr(Op1, Addr)) {
1072  switch (N->getOpcode()) {
1073  default:
1074  return false;
1075  case NVPTXISD::LoadV2:
1076  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1077  NVPTX::LDV_i8_v2_avar, NVPTX::LDV_i16_v2_avar,
1078  NVPTX::LDV_i32_v2_avar, NVPTX::LDV_i64_v2_avar,
1079  NVPTX::LDV_f16_v2_avar, NVPTX::LDV_f16x2_v2_avar,
1080  NVPTX::LDV_f32_v2_avar, NVPTX::LDV_f64_v2_avar);
1081  break;
1082  case NVPTXISD::LoadV4:
1083  Opcode =
1084  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v4_avar,
1085  NVPTX::LDV_i16_v4_avar, NVPTX::LDV_i32_v4_avar, None,
1086  NVPTX::LDV_f16_v4_avar, NVPTX::LDV_f16x2_v4_avar,
1087  NVPTX::LDV_f32_v4_avar, None);
1088  break;
1089  }
1090  if (!Opcode)
1091  return false;
1092  SDValue Ops[] = { getI32Imm(IsVolatile, DL), getI32Imm(CodeAddrSpace, DL),
1093  getI32Imm(VecType, DL), getI32Imm(FromType, DL),
1094  getI32Imm(FromTypeWidth, DL), Addr, Chain };
1095  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, N->getVTList(), Ops);
1096  } else if (PointerSize == 64
1097  ? SelectADDRsi64(Op1.getNode(), Op1, Base, Offset)
1098  : SelectADDRsi(Op1.getNode(), Op1, Base, Offset)) {
1099  switch (N->getOpcode()) {
1100  default:
1101  return false;
1102  case NVPTXISD::LoadV2:
1103  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1104  NVPTX::LDV_i8_v2_asi, NVPTX::LDV_i16_v2_asi,
1105  NVPTX::LDV_i32_v2_asi, NVPTX::LDV_i64_v2_asi,
1106  NVPTX::LDV_f16_v2_asi, NVPTX::LDV_f16x2_v2_asi,
1107  NVPTX::LDV_f32_v2_asi, NVPTX::LDV_f64_v2_asi);
1108  break;
1109  case NVPTXISD::LoadV4:
1110  Opcode =
1111  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v4_asi,
1112  NVPTX::LDV_i16_v4_asi, NVPTX::LDV_i32_v4_asi, None,
1113  NVPTX::LDV_f16_v4_asi, NVPTX::LDV_f16x2_v4_asi,
1114  NVPTX::LDV_f32_v4_asi, None);
1115  break;
1116  }
1117  if (!Opcode)
1118  return false;
1119  SDValue Ops[] = { getI32Imm(IsVolatile, DL), getI32Imm(CodeAddrSpace, DL),
1120  getI32Imm(VecType, DL), getI32Imm(FromType, DL),
1121  getI32Imm(FromTypeWidth, DL), Base, Offset, Chain };
1122  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, N->getVTList(), Ops);
1123  } else if (PointerSize == 64
1124  ? SelectADDRri64(Op1.getNode(), Op1, Base, Offset)
1125  : SelectADDRri(Op1.getNode(), Op1, Base, Offset)) {
1126  if (PointerSize == 64) {
1127  switch (N->getOpcode()) {
1128  default:
1129  return false;
1130  case NVPTXISD::LoadV2:
1131  Opcode = pickOpcodeForVT(
1132  EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v2_ari_64,
1133  NVPTX::LDV_i16_v2_ari_64, NVPTX::LDV_i32_v2_ari_64,
1134  NVPTX::LDV_i64_v2_ari_64, NVPTX::LDV_f16_v2_ari_64,
1135  NVPTX::LDV_f16x2_v2_ari_64, NVPTX::LDV_f32_v2_ari_64,
1136  NVPTX::LDV_f64_v2_ari_64);
1137  break;
1138  case NVPTXISD::LoadV4:
1139  Opcode = pickOpcodeForVT(
1140  EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v4_ari_64,
1141  NVPTX::LDV_i16_v4_ari_64, NVPTX::LDV_i32_v4_ari_64, None,
1142  NVPTX::LDV_f16_v4_ari_64, NVPTX::LDV_f16x2_v4_ari_64,
1143  NVPTX::LDV_f32_v4_ari_64, None);
1144  break;
1145  }
1146  } else {
1147  switch (N->getOpcode()) {
1148  default:
1149  return false;
1150  case NVPTXISD::LoadV2:
1151  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1152  NVPTX::LDV_i8_v2_ari, NVPTX::LDV_i16_v2_ari,
1153  NVPTX::LDV_i32_v2_ari, NVPTX::LDV_i64_v2_ari,
1154  NVPTX::LDV_f16_v2_ari, NVPTX::LDV_f16x2_v2_ari,
1155  NVPTX::LDV_f32_v2_ari, NVPTX::LDV_f64_v2_ari);
1156  break;
1157  case NVPTXISD::LoadV4:
1158  Opcode =
1159  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v4_ari,
1160  NVPTX::LDV_i16_v4_ari, NVPTX::LDV_i32_v4_ari, None,
1161  NVPTX::LDV_f16_v4_ari, NVPTX::LDV_f16x2_v4_ari,
1162  NVPTX::LDV_f32_v4_ari, None);
1163  break;
1164  }
1165  }
1166  if (!Opcode)
1167  return false;
1168  SDValue Ops[] = { getI32Imm(IsVolatile, DL), getI32Imm(CodeAddrSpace, DL),
1169  getI32Imm(VecType, DL), getI32Imm(FromType, DL),
1170  getI32Imm(FromTypeWidth, DL), Base, Offset, Chain };
1171 
1172  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, N->getVTList(), Ops);
1173  } else {
1174  if (PointerSize == 64) {
1175  switch (N->getOpcode()) {
1176  default:
1177  return false;
1178  case NVPTXISD::LoadV2:
1179  Opcode = pickOpcodeForVT(
1180  EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v2_areg_64,
1181  NVPTX::LDV_i16_v2_areg_64, NVPTX::LDV_i32_v2_areg_64,
1182  NVPTX::LDV_i64_v2_areg_64, NVPTX::LDV_f16_v2_areg_64,
1183  NVPTX::LDV_f16x2_v2_areg_64, NVPTX::LDV_f32_v2_areg_64,
1184  NVPTX::LDV_f64_v2_areg_64);
1185  break;
1186  case NVPTXISD::LoadV4:
1187  Opcode = pickOpcodeForVT(
1188  EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v4_areg_64,
1189  NVPTX::LDV_i16_v4_areg_64, NVPTX::LDV_i32_v4_areg_64, None,
1190  NVPTX::LDV_f16_v4_areg_64, NVPTX::LDV_f16x2_v4_areg_64,
1191  NVPTX::LDV_f32_v4_areg_64, None);
1192  break;
1193  }
1194  } else {
1195  switch (N->getOpcode()) {
1196  default:
1197  return false;
1198  case NVPTXISD::LoadV2:
1199  Opcode =
1200  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v2_areg,
1201  NVPTX::LDV_i16_v2_areg, NVPTX::LDV_i32_v2_areg,
1202  NVPTX::LDV_i64_v2_areg, NVPTX::LDV_f16_v2_areg,
1203  NVPTX::LDV_f16x2_v2_areg, NVPTX::LDV_f32_v2_areg,
1204  NVPTX::LDV_f64_v2_areg);
1205  break;
1206  case NVPTXISD::LoadV4:
1207  Opcode = pickOpcodeForVT(
1208  EltVT.getSimpleVT().SimpleTy, NVPTX::LDV_i8_v4_areg,
1209  NVPTX::LDV_i16_v4_areg, NVPTX::LDV_i32_v4_areg, None,
1210  NVPTX::LDV_f16_v4_areg, NVPTX::LDV_f16x2_v4_areg,
1211  NVPTX::LDV_f32_v4_areg, None);
1212  break;
1213  }
1214  }
1215  if (!Opcode)
1216  return false;
1217  SDValue Ops[] = { getI32Imm(IsVolatile, DL), getI32Imm(CodeAddrSpace, DL),
1218  getI32Imm(VecType, DL), getI32Imm(FromType, DL),
1219  getI32Imm(FromTypeWidth, DL), Op1, Chain };
1220  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, N->getVTList(), Ops);
1221  }
1222 
1223  MachineMemOperand *MemRef = cast<MemSDNode>(N)->getMemOperand();
1224  CurDAG->setNodeMemRefs(cast<MachineSDNode>(LD), {MemRef});
1225 
1226  ReplaceNode(N, LD);
1227  return true;
1228 }
1229 
1230 bool NVPTXDAGToDAGISel::tryLDGLDU(SDNode *N) {
1231 
1232  SDValue Chain = N->getOperand(0);
1233  SDValue Op1;
1234  MemSDNode *Mem;
1235  bool IsLDG = true;
1236 
1237  // If this is an LDG intrinsic, the address is the third operand. If its an
1238  // LDG/LDU SD node (from custom vector handling), then its the second operand
1239  if (N->getOpcode() == ISD::INTRINSIC_W_CHAIN) {
1240  Op1 = N->getOperand(2);
1241  Mem = cast<MemIntrinsicSDNode>(N);
1242  unsigned IID = cast<ConstantSDNode>(N->getOperand(1))->getZExtValue();
1243  switch (IID) {
1244  default:
1245  return false;
1246  case Intrinsic::nvvm_ldg_global_f:
1247  case Intrinsic::nvvm_ldg_global_i:
1248  case Intrinsic::nvvm_ldg_global_p:
1249  IsLDG = true;
1250  break;
1251  case Intrinsic::nvvm_ldu_global_f:
1252  case Intrinsic::nvvm_ldu_global_i:
1253  case Intrinsic::nvvm_ldu_global_p:
1254  IsLDG = false;
1255  break;
1256  }
1257  } else {
1258  Op1 = N->getOperand(1);
1259  Mem = cast<MemSDNode>(N);
1260  }
1261 
1262  Optional<unsigned> Opcode;
1263  SDLoc DL(N);
1264  SDNode *LD;
1265  SDValue Base, Offset, Addr;
1266 
1267  EVT EltVT = Mem->getMemoryVT();
1268  unsigned NumElts = 1;
1269  if (EltVT.isVector()) {
1270  NumElts = EltVT.getVectorNumElements();
1271  EltVT = EltVT.getVectorElementType();
1272  // vectors of f16 are loaded/stored as multiples of v2f16 elements.
1273  if (EltVT == MVT::f16 && N->getValueType(0) == MVT::v2f16) {
1274  assert(NumElts % 2 == 0 && "Vector must have even number of elements");
1275  EltVT = MVT::v2f16;
1276  NumElts /= 2;
1277  }
1278  }
1279 
1280  // Build the "promoted" result VTList for the load. If we are really loading
1281  // i8s, then the return type will be promoted to i16 since we do not expose
1282  // 8-bit registers in NVPTX.
1283  EVT NodeVT = (EltVT == MVT::i8) ? MVT::i16 : EltVT;
1284  SmallVector<EVT, 5> InstVTs;
1285  for (unsigned i = 0; i != NumElts; ++i) {
1286  InstVTs.push_back(NodeVT);
1287  }
1288  InstVTs.push_back(MVT::Other);
1289  SDVTList InstVTList = CurDAG->getVTList(InstVTs);
1290 
1291  if (SelectDirectAddr(Op1, Addr)) {
1292  switch (N->getOpcode()) {
1293  default:
1294  return false;
1295  case ISD::LOAD:
1296  case ISD::INTRINSIC_W_CHAIN:
1297  if (IsLDG)
1298  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1299  NVPTX::INT_PTX_LDG_GLOBAL_i8avar,
1300  NVPTX::INT_PTX_LDG_GLOBAL_i16avar,
1301  NVPTX::INT_PTX_LDG_GLOBAL_i32avar,
1302  NVPTX::INT_PTX_LDG_GLOBAL_i64avar,
1303  NVPTX::INT_PTX_LDG_GLOBAL_f16avar,
1304  NVPTX::INT_PTX_LDG_GLOBAL_f16x2avar,
1305  NVPTX::INT_PTX_LDG_GLOBAL_f32avar,
1306  NVPTX::INT_PTX_LDG_GLOBAL_f64avar);
1307  else
1308  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1309  NVPTX::INT_PTX_LDU_GLOBAL_i8avar,
1310  NVPTX::INT_PTX_LDU_GLOBAL_i16avar,
1311  NVPTX::INT_PTX_LDU_GLOBAL_i32avar,
1312  NVPTX::INT_PTX_LDU_GLOBAL_i64avar,
1313  NVPTX::INT_PTX_LDU_GLOBAL_f16avar,
1314  NVPTX::INT_PTX_LDU_GLOBAL_f16x2avar,
1315  NVPTX::INT_PTX_LDU_GLOBAL_f32avar,
1316  NVPTX::INT_PTX_LDU_GLOBAL_f64avar);
1317  break;
1318  case NVPTXISD::LoadV2:
1319  case NVPTXISD::LDGV2:
1320  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1321  NVPTX::INT_PTX_LDG_G_v2i8_ELE_avar,
1322  NVPTX::INT_PTX_LDG_G_v2i16_ELE_avar,
1323  NVPTX::INT_PTX_LDG_G_v2i32_ELE_avar,
1324  NVPTX::INT_PTX_LDG_G_v2i64_ELE_avar,
1325  NVPTX::INT_PTX_LDG_G_v2f16_ELE_avar,
1326  NVPTX::INT_PTX_LDG_G_v2f16x2_ELE_avar,
1327  NVPTX::INT_PTX_LDG_G_v2f32_ELE_avar,
1328  NVPTX::INT_PTX_LDG_G_v2f64_ELE_avar);
1329  break;
1330  case NVPTXISD::LDUV2:
1331  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1332  NVPTX::INT_PTX_LDU_G_v2i8_ELE_avar,
1333  NVPTX::INT_PTX_LDU_G_v2i16_ELE_avar,
1334  NVPTX::INT_PTX_LDU_G_v2i32_ELE_avar,
1335  NVPTX::INT_PTX_LDU_G_v2i64_ELE_avar,
1336  NVPTX::INT_PTX_LDU_G_v2f16_ELE_avar,
1337  NVPTX::INT_PTX_LDU_G_v2f16x2_ELE_avar,
1338  NVPTX::INT_PTX_LDU_G_v2f32_ELE_avar,
1339  NVPTX::INT_PTX_LDU_G_v2f64_ELE_avar);
1340  break;
1341  case NVPTXISD::LoadV4:
1342  case NVPTXISD::LDGV4:
1343  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1344  NVPTX::INT_PTX_LDG_G_v4i8_ELE_avar,
1345  NVPTX::INT_PTX_LDG_G_v4i16_ELE_avar,
1346  NVPTX::INT_PTX_LDG_G_v4i32_ELE_avar, None,
1347  NVPTX::INT_PTX_LDG_G_v4f16_ELE_avar,
1348  NVPTX::INT_PTX_LDG_G_v4f16x2_ELE_avar,
1349  NVPTX::INT_PTX_LDG_G_v4f32_ELE_avar, None);
1350  break;
1351  case NVPTXISD::LDUV4:
1352  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1353  NVPTX::INT_PTX_LDU_G_v4i8_ELE_avar,
1354  NVPTX::INT_PTX_LDU_G_v4i16_ELE_avar,
1355  NVPTX::INT_PTX_LDU_G_v4i32_ELE_avar, None,
1356  NVPTX::INT_PTX_LDU_G_v4f16_ELE_avar,
1357  NVPTX::INT_PTX_LDU_G_v4f16x2_ELE_avar,
1358  NVPTX::INT_PTX_LDU_G_v4f32_ELE_avar, None);
1359  break;
1360  }
1361  if (!Opcode)
1362  return false;
1363  SDValue Ops[] = { Addr, Chain };
1364  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, InstVTList, Ops);
1365  } else if (TM.is64Bit() ? SelectADDRri64(Op1.getNode(), Op1, Base, Offset)
1366  : SelectADDRri(Op1.getNode(), Op1, Base, Offset)) {
1367  if (TM.is64Bit()) {
1368  switch (N->getOpcode()) {
1369  default:
1370  return false;
1371  case ISD::LOAD:
1372  case ISD::INTRINSIC_W_CHAIN:
1373  if (IsLDG)
1374  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1375  NVPTX::INT_PTX_LDG_GLOBAL_i8ari64,
1376  NVPTX::INT_PTX_LDG_GLOBAL_i16ari64,
1377  NVPTX::INT_PTX_LDG_GLOBAL_i32ari64,
1378  NVPTX::INT_PTX_LDG_GLOBAL_i64ari64,
1379  NVPTX::INT_PTX_LDG_GLOBAL_f16ari64,
1380  NVPTX::INT_PTX_LDG_GLOBAL_f16x2ari64,
1381  NVPTX::INT_PTX_LDG_GLOBAL_f32ari64,
1382  NVPTX::INT_PTX_LDG_GLOBAL_f64ari64);
1383  else
1384  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1385  NVPTX::INT_PTX_LDU_GLOBAL_i8ari64,
1386  NVPTX::INT_PTX_LDU_GLOBAL_i16ari64,
1387  NVPTX::INT_PTX_LDU_GLOBAL_i32ari64,
1388  NVPTX::INT_PTX_LDU_GLOBAL_i64ari64,
1389  NVPTX::INT_PTX_LDU_GLOBAL_f16ari64,
1390  NVPTX::INT_PTX_LDU_GLOBAL_f16x2ari64,
1391  NVPTX::INT_PTX_LDU_GLOBAL_f32ari64,
1392  NVPTX::INT_PTX_LDU_GLOBAL_f64ari64);
1393  break;
1394  case NVPTXISD::LoadV2:
1395  case NVPTXISD::LDGV2:
1396  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1397  NVPTX::INT_PTX_LDG_G_v2i8_ELE_ari64,
1398  NVPTX::INT_PTX_LDG_G_v2i16_ELE_ari64,
1399  NVPTX::INT_PTX_LDG_G_v2i32_ELE_ari64,
1400  NVPTX::INT_PTX_LDG_G_v2i64_ELE_ari64,
1401  NVPTX::INT_PTX_LDG_G_v2f16_ELE_ari64,
1402  NVPTX::INT_PTX_LDG_G_v2f16x2_ELE_ari64,
1403  NVPTX::INT_PTX_LDG_G_v2f32_ELE_ari64,
1404  NVPTX::INT_PTX_LDG_G_v2f64_ELE_ari64);
1405  break;
1406  case NVPTXISD::LDUV2:
1407  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1408  NVPTX::INT_PTX_LDU_G_v2i8_ELE_ari64,
1409  NVPTX::INT_PTX_LDU_G_v2i16_ELE_ari64,
1410  NVPTX::INT_PTX_LDU_G_v2i32_ELE_ari64,
1411  NVPTX::INT_PTX_LDU_G_v2i64_ELE_ari64,
1412  NVPTX::INT_PTX_LDU_G_v2f16_ELE_ari64,
1413  NVPTX::INT_PTX_LDU_G_v2f16x2_ELE_ari64,
1414  NVPTX::INT_PTX_LDU_G_v2f32_ELE_ari64,
1415  NVPTX::INT_PTX_LDU_G_v2f64_ELE_ari64);
1416  break;
1417  case NVPTXISD::LoadV4:
1418  case NVPTXISD::LDGV4:
1419  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1420  NVPTX::INT_PTX_LDG_G_v4i8_ELE_ari64,
1421  NVPTX::INT_PTX_LDG_G_v4i16_ELE_ari64,
1422  NVPTX::INT_PTX_LDG_G_v4i32_ELE_ari64, None,
1423  NVPTX::INT_PTX_LDG_G_v4f16_ELE_ari64,
1424  NVPTX::INT_PTX_LDG_G_v4f16x2_ELE_ari64,
1425  NVPTX::INT_PTX_LDG_G_v4f32_ELE_ari64, None);
1426  break;
1427  case NVPTXISD::LDUV4:
1428  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1429  NVPTX::INT_PTX_LDU_G_v4i8_ELE_ari64,
1430  NVPTX::INT_PTX_LDU_G_v4i16_ELE_ari64,
1431  NVPTX::INT_PTX_LDU_G_v4i32_ELE_ari64, None,
1432  NVPTX::INT_PTX_LDU_G_v4f16_ELE_ari64,
1433  NVPTX::INT_PTX_LDU_G_v4f16x2_ELE_ari64,
1434  NVPTX::INT_PTX_LDU_G_v4f32_ELE_ari64, None);
1435  break;
1436  }
1437  } else {
1438  switch (N->getOpcode()) {
1439  default:
1440  return false;
1441  case ISD::LOAD:
1442  case ISD::INTRINSIC_W_CHAIN:
1443  if (IsLDG)
1444  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1445  NVPTX::INT_PTX_LDG_GLOBAL_i8ari,
1446  NVPTX::INT_PTX_LDG_GLOBAL_i16ari,
1447  NVPTX::INT_PTX_LDG_GLOBAL_i32ari,
1448  NVPTX::INT_PTX_LDG_GLOBAL_i64ari,
1449  NVPTX::INT_PTX_LDG_GLOBAL_f16ari,
1450  NVPTX::INT_PTX_LDG_GLOBAL_f16x2ari,
1451  NVPTX::INT_PTX_LDG_GLOBAL_f32ari,
1452  NVPTX::INT_PTX_LDG_GLOBAL_f64ari);
1453  else
1454  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1455  NVPTX::INT_PTX_LDU_GLOBAL_i8ari,
1456  NVPTX::INT_PTX_LDU_GLOBAL_i16ari,
1457  NVPTX::INT_PTX_LDU_GLOBAL_i32ari,
1458  NVPTX::INT_PTX_LDU_GLOBAL_i64ari,
1459  NVPTX::INT_PTX_LDU_GLOBAL_f16ari,
1460  NVPTX::INT_PTX_LDU_GLOBAL_f16x2ari,
1461  NVPTX::INT_PTX_LDU_GLOBAL_f32ari,
1462  NVPTX::INT_PTX_LDU_GLOBAL_f64ari);
1463  break;
1464  case NVPTXISD::LoadV2:
1465  case NVPTXISD::LDGV2:
1466  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1467  NVPTX::INT_PTX_LDG_G_v2i8_ELE_ari32,
1468  NVPTX::INT_PTX_LDG_G_v2i16_ELE_ari32,
1469  NVPTX::INT_PTX_LDG_G_v2i32_ELE_ari32,
1470  NVPTX::INT_PTX_LDG_G_v2i64_ELE_ari32,
1471  NVPTX::INT_PTX_LDG_G_v2f16_ELE_ari32,
1472  NVPTX::INT_PTX_LDG_G_v2f16x2_ELE_ari32,
1473  NVPTX::INT_PTX_LDG_G_v2f32_ELE_ari32,
1474  NVPTX::INT_PTX_LDG_G_v2f64_ELE_ari32);
1475  break;
1476  case NVPTXISD::LDUV2:
1477  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1478  NVPTX::INT_PTX_LDU_G_v2i8_ELE_ari32,
1479  NVPTX::INT_PTX_LDU_G_v2i16_ELE_ari32,
1480  NVPTX::INT_PTX_LDU_G_v2i32_ELE_ari32,
1481  NVPTX::INT_PTX_LDU_G_v2i64_ELE_ari32,
1482  NVPTX::INT_PTX_LDU_G_v2f16_ELE_ari32,
1483  NVPTX::INT_PTX_LDU_G_v2f16x2_ELE_ari32,
1484  NVPTX::INT_PTX_LDU_G_v2f32_ELE_ari32,
1485  NVPTX::INT_PTX_LDU_G_v2f64_ELE_ari32);
1486  break;
1487  case NVPTXISD::LoadV4:
1488  case NVPTXISD::LDGV4:
1489  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1490  NVPTX::INT_PTX_LDG_G_v4i8_ELE_ari32,
1491  NVPTX::INT_PTX_LDG_G_v4i16_ELE_ari32,
1492  NVPTX::INT_PTX_LDG_G_v4i32_ELE_ari32, None,
1493  NVPTX::INT_PTX_LDG_G_v4f16_ELE_ari32,
1494  NVPTX::INT_PTX_LDG_G_v4f16x2_ELE_ari32,
1495  NVPTX::INT_PTX_LDG_G_v4f32_ELE_ari32, None);
1496  break;
1497  case NVPTXISD::LDUV4:
1498  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1499  NVPTX::INT_PTX_LDU_G_v4i8_ELE_ari32,
1500  NVPTX::INT_PTX_LDU_G_v4i16_ELE_ari32,
1501  NVPTX::INT_PTX_LDU_G_v4i32_ELE_ari32, None,
1502  NVPTX::INT_PTX_LDU_G_v4f16_ELE_ari32,
1503  NVPTX::INT_PTX_LDU_G_v4f16x2_ELE_ari32,
1504  NVPTX::INT_PTX_LDU_G_v4f32_ELE_ari32, None);
1505  break;
1506  }
1507  }
1508  if (!Opcode)
1509  return false;
1510  SDValue Ops[] = {Base, Offset, Chain};
1511  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, InstVTList, Ops);
1512  } else {
1513  if (TM.is64Bit()) {
1514  switch (N->getOpcode()) {
1515  default:
1516  return false;
1517  case ISD::LOAD:
1518  case ISD::INTRINSIC_W_CHAIN:
1519  if (IsLDG)
1520  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1521  NVPTX::INT_PTX_LDG_GLOBAL_i8areg64,
1522  NVPTX::INT_PTX_LDG_GLOBAL_i16areg64,
1523  NVPTX::INT_PTX_LDG_GLOBAL_i32areg64,
1524  NVPTX::INT_PTX_LDG_GLOBAL_i64areg64,
1525  NVPTX::INT_PTX_LDG_GLOBAL_f16areg64,
1526  NVPTX::INT_PTX_LDG_GLOBAL_f16x2areg64,
1527  NVPTX::INT_PTX_LDG_GLOBAL_f32areg64,
1528  NVPTX::INT_PTX_LDG_GLOBAL_f64areg64);
1529  else
1530  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1531  NVPTX::INT_PTX_LDU_GLOBAL_i8areg64,
1532  NVPTX::INT_PTX_LDU_GLOBAL_i16areg64,
1533  NVPTX::INT_PTX_LDU_GLOBAL_i32areg64,
1534  NVPTX::INT_PTX_LDU_GLOBAL_i64areg64,
1535  NVPTX::INT_PTX_LDU_GLOBAL_f16areg64,
1536  NVPTX::INT_PTX_LDU_GLOBAL_f16x2areg64,
1537  NVPTX::INT_PTX_LDU_GLOBAL_f32areg64,
1538  NVPTX::INT_PTX_LDU_GLOBAL_f64areg64);
1539  break;
1540  case NVPTXISD::LoadV2:
1541  case NVPTXISD::LDGV2:
1542  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1543  NVPTX::INT_PTX_LDG_G_v2i8_ELE_areg64,
1544  NVPTX::INT_PTX_LDG_G_v2i16_ELE_areg64,
1545  NVPTX::INT_PTX_LDG_G_v2i32_ELE_areg64,
1546  NVPTX::INT_PTX_LDG_G_v2i64_ELE_areg64,
1547  NVPTX::INT_PTX_LDG_G_v2f16_ELE_areg64,
1548  NVPTX::INT_PTX_LDG_G_v2f16x2_ELE_areg64,
1549  NVPTX::INT_PTX_LDG_G_v2f32_ELE_areg64,
1550  NVPTX::INT_PTX_LDG_G_v2f64_ELE_areg64);
1551  break;
1552  case NVPTXISD::LDUV2:
1553  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1554  NVPTX::INT_PTX_LDU_G_v2i8_ELE_areg64,
1555  NVPTX::INT_PTX_LDU_G_v2i16_ELE_areg64,
1556  NVPTX::INT_PTX_LDU_G_v2i32_ELE_areg64,
1557  NVPTX::INT_PTX_LDU_G_v2i64_ELE_areg64,
1558  NVPTX::INT_PTX_LDU_G_v2f16_ELE_areg64,
1559  NVPTX::INT_PTX_LDU_G_v2f16x2_ELE_areg64,
1560  NVPTX::INT_PTX_LDU_G_v2f32_ELE_areg64,
1561  NVPTX::INT_PTX_LDU_G_v2f64_ELE_areg64);
1562  break;
1563  case NVPTXISD::LoadV4:
1564  case NVPTXISD::LDGV4:
1565  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1566  NVPTX::INT_PTX_LDG_G_v4i8_ELE_areg64,
1567  NVPTX::INT_PTX_LDG_G_v4i16_ELE_areg64,
1568  NVPTX::INT_PTX_LDG_G_v4i32_ELE_areg64, None,
1569  NVPTX::INT_PTX_LDG_G_v4f16_ELE_areg64,
1570  NVPTX::INT_PTX_LDG_G_v4f16x2_ELE_areg64,
1571  NVPTX::INT_PTX_LDG_G_v4f32_ELE_areg64, None);
1572  break;
1573  case NVPTXISD::LDUV4:
1574  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1575  NVPTX::INT_PTX_LDU_G_v4i8_ELE_areg64,
1576  NVPTX::INT_PTX_LDU_G_v4i16_ELE_areg64,
1577  NVPTX::INT_PTX_LDU_G_v4i32_ELE_areg64, None,
1578  NVPTX::INT_PTX_LDU_G_v4f16_ELE_areg64,
1579  NVPTX::INT_PTX_LDU_G_v4f16x2_ELE_areg64,
1580  NVPTX::INT_PTX_LDU_G_v4f32_ELE_areg64, None);
1581  break;
1582  }
1583  } else {
1584  switch (N->getOpcode()) {
1585  default:
1586  return false;
1587  case ISD::LOAD:
1588  case ISD::INTRINSIC_W_CHAIN:
1589  if (IsLDG)
1590  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1591  NVPTX::INT_PTX_LDG_GLOBAL_i8areg,
1592  NVPTX::INT_PTX_LDG_GLOBAL_i16areg,
1593  NVPTX::INT_PTX_LDG_GLOBAL_i32areg,
1594  NVPTX::INT_PTX_LDG_GLOBAL_i64areg,
1595  NVPTX::INT_PTX_LDG_GLOBAL_f16areg,
1596  NVPTX::INT_PTX_LDG_GLOBAL_f16x2areg,
1597  NVPTX::INT_PTX_LDG_GLOBAL_f32areg,
1598  NVPTX::INT_PTX_LDG_GLOBAL_f64areg);
1599  else
1600  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1601  NVPTX::INT_PTX_LDU_GLOBAL_i8areg,
1602  NVPTX::INT_PTX_LDU_GLOBAL_i16areg,
1603  NVPTX::INT_PTX_LDU_GLOBAL_i32areg,
1604  NVPTX::INT_PTX_LDU_GLOBAL_i64areg,
1605  NVPTX::INT_PTX_LDU_GLOBAL_f16areg,
1606  NVPTX::INT_PTX_LDU_GLOBAL_f16x2areg,
1607  NVPTX::INT_PTX_LDU_GLOBAL_f32areg,
1608  NVPTX::INT_PTX_LDU_GLOBAL_f64areg);
1609  break;
1610  case NVPTXISD::LoadV2:
1611  case NVPTXISD::LDGV2:
1612  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1613  NVPTX::INT_PTX_LDG_G_v2i8_ELE_areg32,
1614  NVPTX::INT_PTX_LDG_G_v2i16_ELE_areg32,
1615  NVPTX::INT_PTX_LDG_G_v2i32_ELE_areg32,
1616  NVPTX::INT_PTX_LDG_G_v2i64_ELE_areg32,
1617  NVPTX::INT_PTX_LDG_G_v2f16_ELE_areg32,
1618  NVPTX::INT_PTX_LDG_G_v2f16x2_ELE_areg32,
1619  NVPTX::INT_PTX_LDG_G_v2f32_ELE_areg32,
1620  NVPTX::INT_PTX_LDG_G_v2f64_ELE_areg32);
1621  break;
1622  case NVPTXISD::LDUV2:
1623  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1624  NVPTX::INT_PTX_LDU_G_v2i8_ELE_areg32,
1625  NVPTX::INT_PTX_LDU_G_v2i16_ELE_areg32,
1626  NVPTX::INT_PTX_LDU_G_v2i32_ELE_areg32,
1627  NVPTX::INT_PTX_LDU_G_v2i64_ELE_areg32,
1628  NVPTX::INT_PTX_LDU_G_v2f16_ELE_areg32,
1629  NVPTX::INT_PTX_LDU_G_v2f16x2_ELE_areg32,
1630  NVPTX::INT_PTX_LDU_G_v2f32_ELE_areg32,
1631  NVPTX::INT_PTX_LDU_G_v2f64_ELE_areg32);
1632  break;
1633  case NVPTXISD::LoadV4:
1634  case NVPTXISD::LDGV4:
1635  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1636  NVPTX::INT_PTX_LDG_G_v4i8_ELE_areg32,
1637  NVPTX::INT_PTX_LDG_G_v4i16_ELE_areg32,
1638  NVPTX::INT_PTX_LDG_G_v4i32_ELE_areg32, None,
1639  NVPTX::INT_PTX_LDG_G_v4f16_ELE_areg32,
1640  NVPTX::INT_PTX_LDG_G_v4f16x2_ELE_areg32,
1641  NVPTX::INT_PTX_LDG_G_v4f32_ELE_areg32, None);
1642  break;
1643  case NVPTXISD::LDUV4:
1644  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1645  NVPTX::INT_PTX_LDU_G_v4i8_ELE_areg32,
1646  NVPTX::INT_PTX_LDU_G_v4i16_ELE_areg32,
1647  NVPTX::INT_PTX_LDU_G_v4i32_ELE_areg32, None,
1648  NVPTX::INT_PTX_LDU_G_v4f16_ELE_areg32,
1649  NVPTX::INT_PTX_LDU_G_v4f16x2_ELE_areg32,
1650  NVPTX::INT_PTX_LDU_G_v4f32_ELE_areg32, None);
1651  break;
1652  }
1653  }
1654  if (!Opcode)
1655  return false;
1656  SDValue Ops[] = { Op1, Chain };
1657  LD = CurDAG->getMachineNode(Opcode.getValue(), DL, InstVTList, Ops);
1658  }
1659 
1660  MachineMemOperand *MemRef = Mem->getMemOperand();
1661  CurDAG->setNodeMemRefs(cast<MachineSDNode>(LD), {MemRef});
1662 
1663  // For automatic generation of LDG (through SelectLoad[Vector], not the
1664  // intrinsics), we may have an extending load like:
1665  //
1666  // i32,ch = load<LD1[%data1(addrspace=1)], zext from i8> t0, t7, undef:i64
1667  //
1668  // In this case, the matching logic above will select a load for the original
1669  // memory type (in this case, i8) and our types will not match (the node needs
1670  // to return an i32 in this case). Our LDG/LDU nodes do not support the
1671  // concept of sign-/zero-extension, so emulate it here by adding an explicit
1672  // CVT instruction. Ptxas should clean up any redundancies here.
1673 
1674  EVT OrigType = N->getValueType(0);
1675  LoadSDNode *LdNode = dyn_cast<LoadSDNode>(N);
1676 
1677  if (OrigType != EltVT && LdNode) {
1678  // We have an extending-load. The instruction we selected operates on the
1679  // smaller type, but the SDNode we are replacing has the larger type. We
1680  // need to emit a CVT to make the types match.
1681  bool IsSigned = LdNode->getExtensionType() == ISD::SEXTLOAD;
1682  unsigned CvtOpc = GetConvertOpcode(OrigType.getSimpleVT(),
1683  EltVT.getSimpleVT(), IsSigned);
1684 
1685  // For each output value, apply the manual sign/zero-extension and make sure
1686  // all users of the load go through that CVT.
1687  for (unsigned i = 0; i != NumElts; ++i) {
1688  SDValue Res(LD, i);
1689  SDValue OrigVal(N, i);
1690 
1691  SDNode *CvtNode =
1692  CurDAG->getMachineNode(CvtOpc, DL, OrigType, Res,
1693  CurDAG->getTargetConstant(NVPTX::PTXCvtMode::NONE,
1694  DL, MVT::i32));
1695  ReplaceUses(OrigVal, SDValue(CvtNode, 0));
1696  }
1697  }
1698 
1699  ReplaceNode(N, LD);
1700  return true;
1701 }
1702 
1703 bool NVPTXDAGToDAGISel::tryStore(SDNode *N) {
1704  SDLoc dl(N);
1705  MemSDNode *ST = cast<MemSDNode>(N);
1706  assert(ST->writeMem() && "Expected store");
1707  StoreSDNode *PlainStore = dyn_cast<StoreSDNode>(N);
1708  AtomicSDNode *AtomicStore = dyn_cast<AtomicSDNode>(N);
1709  assert((PlainStore || AtomicStore) && "Expected store");
1710  EVT StoreVT = ST->getMemoryVT();
1711  SDNode *NVPTXST = nullptr;
1712 
1713  // do not support pre/post inc/dec
1714  if (PlainStore && PlainStore->isIndexed())
1715  return false;
1716 
1717  if (!StoreVT.isSimple())
1718  return false;
1719 
1720  AtomicOrdering Ordering = ST->getOrdering();
1721  // In order to lower atomic loads with stronger guarantees we would need to
1722  // use store.release or insert fences. However these features were only added
1723  // with PTX ISA 6.0 / sm_70.
1724  // TODO: Check if we can actually use the new instructions and implement them.
1725  if (isStrongerThanMonotonic(Ordering))
1726  return false;
1727 
1728  // Address Space Setting
1729  unsigned int CodeAddrSpace = getCodeAddrSpace(ST);
1730  unsigned int PointerSize =
1731  CurDAG->getDataLayout().getPointerSizeInBits(ST->getAddressSpace());
1732 
1733  // Volatile Setting
1734  // - .volatile is only available for .global and .shared
1735  // - .volatile has the same memory synchronization semantics as .relaxed.sys
1736  bool isVolatile = ST->isVolatile() || Ordering == AtomicOrdering::Monotonic;
1737  if (CodeAddrSpace != NVPTX::PTXLdStInstCode::GLOBAL &&
1738  CodeAddrSpace != NVPTX::PTXLdStInstCode::SHARED &&
1739  CodeAddrSpace != NVPTX::PTXLdStInstCode::GENERIC)
1740  isVolatile = false;
1741 
1742  // Vector Setting
1743  MVT SimpleVT = StoreVT.getSimpleVT();
1744  unsigned vecType = NVPTX::PTXLdStInstCode::Scalar;
1745 
1746  // Type Setting: toType + toTypeWidth
1747  // - for integer type, always use 'u'
1748  //
1749  MVT ScalarVT = SimpleVT.getScalarType();
1750  unsigned toTypeWidth = ScalarVT.getSizeInBits();
1751  if (SimpleVT.isVector()) {
1752  assert(StoreVT == MVT::v2f16 && "Unexpected vector type");
1753  // v2f16 is stored using st.b32
1754  toTypeWidth = 32;
1755  }
1756 
1757  unsigned int toType;
1758  if (ScalarVT.isFloatingPoint())
1759  // f16 uses .b16 as its storage type.
1760  toType = ScalarVT.SimpleTy == MVT::f16 ? NVPTX::PTXLdStInstCode::Untyped
1761  : NVPTX::PTXLdStInstCode::Float;
1762  else
1763  toType = NVPTX::PTXLdStInstCode::Unsigned;
1764 
1765  // Create the machine instruction DAG
1766  SDValue Chain = ST->getChain();
1767  SDValue Value = PlainStore ? PlainStore->getValue() : AtomicStore->getVal();
1768  SDValue BasePtr = ST->getBasePtr();
1769  SDValue Addr;
1770  SDValue Offset, Base;
1771  Optional<unsigned> Opcode;
1772  MVT::SimpleValueType SourceVT =
1773  Value.getNode()->getSimpleValueType(0).SimpleTy;
1774 
1775  if (SelectDirectAddr(BasePtr, Addr)) {
1776  Opcode = pickOpcodeForVT(SourceVT, NVPTX::ST_i8_avar, NVPTX::ST_i16_avar,
1777  NVPTX::ST_i32_avar, NVPTX::ST_i64_avar,
1778  NVPTX::ST_f16_avar, NVPTX::ST_f16x2_avar,
1779  NVPTX::ST_f32_avar, NVPTX::ST_f64_avar);
1780  if (!Opcode)
1781  return false;
1782  SDValue Ops[] = {Value,
1783  getI32Imm(isVolatile, dl),
1784  getI32Imm(CodeAddrSpace, dl),
1785  getI32Imm(vecType, dl),
1786  getI32Imm(toType, dl),
1787  getI32Imm(toTypeWidth, dl),
1788  Addr,
1789  Chain};
1790  NVPTXST = CurDAG->getMachineNode(Opcode.getValue(), dl, MVT::Other, Ops);
1791  } else if (PointerSize == 64
1792  ? SelectADDRsi64(BasePtr.getNode(), BasePtr, Base, Offset)
1793  : SelectADDRsi(BasePtr.getNode(), BasePtr, Base, Offset)) {
1794  Opcode = pickOpcodeForVT(SourceVT, NVPTX::ST_i8_asi, NVPTX::ST_i16_asi,
1795  NVPTX::ST_i32_asi, NVPTX::ST_i64_asi,
1796  NVPTX::ST_f16_asi, NVPTX::ST_f16x2_asi,
1797  NVPTX::ST_f32_asi, NVPTX::ST_f64_asi);
1798  if (!Opcode)
1799  return false;
1800  SDValue Ops[] = {Value,
1801  getI32Imm(isVolatile, dl),
1802  getI32Imm(CodeAddrSpace, dl),
1803  getI32Imm(vecType, dl),
1804  getI32Imm(toType, dl),
1805  getI32Imm(toTypeWidth, dl),
1806  Base,
1807  Offset,
1808  Chain};
1809  NVPTXST = CurDAG->getMachineNode(Opcode.getValue(), dl, MVT::Other, Ops);
1810  } else if (PointerSize == 64
1811  ? SelectADDRri64(BasePtr.getNode(), BasePtr, Base, Offset)
1812  : SelectADDRri(BasePtr.getNode(), BasePtr, Base, Offset)) {
1813  if (PointerSize == 64)
1814  Opcode = pickOpcodeForVT(
1815  SourceVT, NVPTX::ST_i8_ari_64, NVPTX::ST_i16_ari_64,
1816  NVPTX::ST_i32_ari_64, NVPTX::ST_i64_ari_64, NVPTX::ST_f16_ari_64,
1817  NVPTX::ST_f16x2_ari_64, NVPTX::ST_f32_ari_64, NVPTX::ST_f64_ari_64);
1818  else
1819  Opcode = pickOpcodeForVT(SourceVT, NVPTX::ST_i8_ari, NVPTX::ST_i16_ari,
1820  NVPTX::ST_i32_ari, NVPTX::ST_i64_ari,
1821  NVPTX::ST_f16_ari, NVPTX::ST_f16x2_ari,
1822  NVPTX::ST_f32_ari, NVPTX::ST_f64_ari);
1823  if (!Opcode)
1824  return false;
1825 
1826  SDValue Ops[] = {Value,
1827  getI32Imm(isVolatile, dl),
1828  getI32Imm(CodeAddrSpace, dl),
1829  getI32Imm(vecType, dl),
1830  getI32Imm(toType, dl),
1831  getI32Imm(toTypeWidth, dl),
1832  Base,
1833  Offset,
1834  Chain};
1835  NVPTXST = CurDAG->getMachineNode(Opcode.getValue(), dl, MVT::Other, Ops);
1836  } else {
1837  if (PointerSize == 64)
1838  Opcode =
1839  pickOpcodeForVT(SourceVT, NVPTX::ST_i8_areg_64, NVPTX::ST_i16_areg_64,
1840  NVPTX::ST_i32_areg_64, NVPTX::ST_i64_areg_64,
1841  NVPTX::ST_f16_areg_64, NVPTX::ST_f16x2_areg_64,
1842  NVPTX::ST_f32_areg_64, NVPTX::ST_f64_areg_64);
1843  else
1844  Opcode = pickOpcodeForVT(SourceVT, NVPTX::ST_i8_areg, NVPTX::ST_i16_areg,
1845  NVPTX::ST_i32_areg, NVPTX::ST_i64_areg,
1846  NVPTX::ST_f16_areg, NVPTX::ST_f16x2_areg,
1847  NVPTX::ST_f32_areg, NVPTX::ST_f64_areg);
1848  if (!Opcode)
1849  return false;
1850  SDValue Ops[] = {Value,
1851  getI32Imm(isVolatile, dl),
1852  getI32Imm(CodeAddrSpace, dl),
1853  getI32Imm(vecType, dl),
1854  getI32Imm(toType, dl),
1855  getI32Imm(toTypeWidth, dl),
1856  BasePtr,
1857  Chain};
1858  NVPTXST = CurDAG->getMachineNode(Opcode.getValue(), dl, MVT::Other, Ops);
1859  }
1860 
1861  if (!NVPTXST)
1862  return false;
1863 
1864  MachineMemOperand *MemRef = cast<MemSDNode>(N)->getMemOperand();
1865  CurDAG->setNodeMemRefs(cast<MachineSDNode>(NVPTXST), {MemRef});
1866  ReplaceNode(N, NVPTXST);
1867  return true;
1868 }
1869 
1870 bool NVPTXDAGToDAGISel::tryStoreVector(SDNode *N) {
1871  SDValue Chain = N->getOperand(0);
1872  SDValue Op1 = N->getOperand(1);
1873  SDValue Addr, Offset, Base;
1874  Optional<unsigned> Opcode;
1875  SDLoc DL(N);
1876  SDNode *ST;
1877  EVT EltVT = Op1.getValueType();
1878  MemSDNode *MemSD = cast<MemSDNode>(N);
1879  EVT StoreVT = MemSD->getMemoryVT();
1880 
1881  // Address Space Setting
1882  unsigned CodeAddrSpace = getCodeAddrSpace(MemSD);
1883  if (CodeAddrSpace == NVPTX::PTXLdStInstCode::CONSTANT) {
1884  report_fatal_error("Cannot store to pointer that points to constant "
1885  "memory space");
1886  }
1887  unsigned int PointerSize =
1888  CurDAG->getDataLayout().getPointerSizeInBits(MemSD->getAddressSpace());
1889 
1890  // Volatile Setting
1891  // - .volatile is only availalble for .global and .shared
1892  bool IsVolatile = MemSD->isVolatile();
1893  if (CodeAddrSpace != NVPTX::PTXLdStInstCode::GLOBAL &&
1894  CodeAddrSpace != NVPTX::PTXLdStInstCode::SHARED &&
1895  CodeAddrSpace != NVPTX::PTXLdStInstCode::GENERIC)
1896  IsVolatile = false;
1897 
1898  // Type Setting: toType + toTypeWidth
1899  // - for integer type, always use 'u'
1900  assert(StoreVT.isSimple() && "Store value is not simple");
1901  MVT ScalarVT = StoreVT.getSimpleVT().getScalarType();
1902  unsigned ToTypeWidth = ScalarVT.getSizeInBits();
1903  unsigned ToType;
1904  if (ScalarVT.isFloatingPoint())
1905  ToType = ScalarVT.SimpleTy == MVT::f16 ? NVPTX::PTXLdStInstCode::Untyped
1906  : NVPTX::PTXLdStInstCode::Float;
1907  else
1908  ToType = NVPTX::PTXLdStInstCode::Unsigned;
1909 
1910  SmallVector<SDValue, 12> StOps;
1911  SDValue N2;
1912  unsigned VecType;
1913 
1914  switch (N->getOpcode()) {
1915  case NVPTXISD::StoreV2:
1916  VecType = NVPTX::PTXLdStInstCode::V2;
1917  StOps.push_back(N->getOperand(1));
1918  StOps.push_back(N->getOperand(2));
1919  N2 = N->getOperand(3);
1920  break;
1921  case NVPTXISD::StoreV4:
1922  VecType = NVPTX::PTXLdStInstCode::V4;
1923  StOps.push_back(N->getOperand(1));
1924  StOps.push_back(N->getOperand(2));
1925  StOps.push_back(N->getOperand(3));
1926  StOps.push_back(N->getOperand(4));
1927  N2 = N->getOperand(5);
1928  break;
1929  default:
1930  return false;
1931  }
1932 
1933  // v8f16 is a special case. PTX doesn't have st.v8.f16
1934  // instruction. Instead, we split the vector into v2f16 chunks and
1935  // store them with st.v4.b32.
1936  if (EltVT == MVT::v2f16) {
1937  assert(N->getOpcode() == NVPTXISD::StoreV4 && "Unexpected load opcode.");
1938  EltVT = MVT::i32;
1939  ToType = NVPTX::PTXLdStInstCode::Untyped;
1940  ToTypeWidth = 32;
1941  }
1942 
1943  StOps.push_back(getI32Imm(IsVolatile, DL));
1944  StOps.push_back(getI32Imm(CodeAddrSpace, DL));
1945  StOps.push_back(getI32Imm(VecType, DL));
1946  StOps.push_back(getI32Imm(ToType, DL));
1947  StOps.push_back(getI32Imm(ToTypeWidth, DL));
1948 
1949  if (SelectDirectAddr(N2, Addr)) {
1950  switch (N->getOpcode()) {
1951  default:
1952  return false;
1953  case NVPTXISD::StoreV2:
1954  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1955  NVPTX::STV_i8_v2_avar, NVPTX::STV_i16_v2_avar,
1956  NVPTX::STV_i32_v2_avar, NVPTX::STV_i64_v2_avar,
1957  NVPTX::STV_f16_v2_avar, NVPTX::STV_f16x2_v2_avar,
1958  NVPTX::STV_f32_v2_avar, NVPTX::STV_f64_v2_avar);
1959  break;
1960  case NVPTXISD::StoreV4:
1961  Opcode =
1962  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v4_avar,
1963  NVPTX::STV_i16_v4_avar, NVPTX::STV_i32_v4_avar, None,
1964  NVPTX::STV_f16_v4_avar, NVPTX::STV_f16x2_v4_avar,
1965  NVPTX::STV_f32_v4_avar, None);
1966  break;
1967  }
1968  StOps.push_back(Addr);
1969  } else if (PointerSize == 64 ? SelectADDRsi64(N2.getNode(), N2, Base, Offset)
1970  : SelectADDRsi(N2.getNode(), N2, Base, Offset)) {
1971  switch (N->getOpcode()) {
1972  default:
1973  return false;
1974  case NVPTXISD::StoreV2:
1975  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
1976  NVPTX::STV_i8_v2_asi, NVPTX::STV_i16_v2_asi,
1977  NVPTX::STV_i32_v2_asi, NVPTX::STV_i64_v2_asi,
1978  NVPTX::STV_f16_v2_asi, NVPTX::STV_f16x2_v2_asi,
1979  NVPTX::STV_f32_v2_asi, NVPTX::STV_f64_v2_asi);
1980  break;
1981  case NVPTXISD::StoreV4:
1982  Opcode =
1983  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v4_asi,
1984  NVPTX::STV_i16_v4_asi, NVPTX::STV_i32_v4_asi, None,
1985  NVPTX::STV_f16_v4_asi, NVPTX::STV_f16x2_v4_asi,
1986  NVPTX::STV_f32_v4_asi, None);
1987  break;
1988  }
1989  StOps.push_back(Base);
1990  StOps.push_back(Offset);
1991  } else if (PointerSize == 64 ? SelectADDRri64(N2.getNode(), N2, Base, Offset)
1992  : SelectADDRri(N2.getNode(), N2, Base, Offset)) {
1993  if (PointerSize == 64) {
1994  switch (N->getOpcode()) {
1995  default:
1996  return false;
1997  case NVPTXISD::StoreV2:
1998  Opcode = pickOpcodeForVT(
1999  EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v2_ari_64,
2000  NVPTX::STV_i16_v2_ari_64, NVPTX::STV_i32_v2_ari_64,
2001  NVPTX::STV_i64_v2_ari_64, NVPTX::STV_f16_v2_ari_64,
2002  NVPTX::STV_f16x2_v2_ari_64, NVPTX::STV_f32_v2_ari_64,
2003  NVPTX::STV_f64_v2_ari_64);
2004  break;
2005  case NVPTXISD::StoreV4:
2006  Opcode = pickOpcodeForVT(
2007  EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v4_ari_64,
2008  NVPTX::STV_i16_v4_ari_64, NVPTX::STV_i32_v4_ari_64, None,
2009  NVPTX::STV_f16_v4_ari_64, NVPTX::STV_f16x2_v4_ari_64,
2010  NVPTX::STV_f32_v4_ari_64, None);
2011  break;
2012  }
2013  } else {
2014  switch (N->getOpcode()) {
2015  default:
2016  return false;
2017  case NVPTXISD::StoreV2:
2018  Opcode = pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy,
2019  NVPTX::STV_i8_v2_ari, NVPTX::STV_i16_v2_ari,
2020  NVPTX::STV_i32_v2_ari, NVPTX::STV_i64_v2_ari,
2021  NVPTX::STV_f16_v2_ari, NVPTX::STV_f16x2_v2_ari,
2022  NVPTX::STV_f32_v2_ari, NVPTX::STV_f64_v2_ari);
2023  break;
2024  case NVPTXISD::StoreV4:
2025  Opcode =
2026  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v4_ari,
2027  NVPTX::STV_i16_v4_ari, NVPTX::STV_i32_v4_ari, None,
2028  NVPTX::STV_f16_v4_ari, NVPTX::STV_f16x2_v4_ari,
2029  NVPTX::STV_f32_v4_ari, None);
2030  break;
2031  }
2032  }
2033  StOps.push_back(Base);
2034  StOps.push_back(Offset);
2035  } else {
2036  if (PointerSize == 64) {
2037  switch (N->getOpcode()) {
2038  default:
2039  return false;
2040  case NVPTXISD::StoreV2:
2041  Opcode = pickOpcodeForVT(
2042  EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v2_areg_64,
2043  NVPTX::STV_i16_v2_areg_64, NVPTX::STV_i32_v2_areg_64,
2044  NVPTX::STV_i64_v2_areg_64, NVPTX::STV_f16_v2_areg_64,
2045  NVPTX::STV_f16x2_v2_areg_64, NVPTX::STV_f32_v2_areg_64,
2046  NVPTX::STV_f64_v2_areg_64);
2047  break;
2048  case NVPTXISD::StoreV4:
2049  Opcode = pickOpcodeForVT(
2050  EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v4_areg_64,
2051  NVPTX::STV_i16_v4_areg_64, NVPTX::STV_i32_v4_areg_64, None,
2052  NVPTX::STV_f16_v4_areg_64, NVPTX::STV_f16x2_v4_areg_64,
2053  NVPTX::STV_f32_v4_areg_64, None);
2054  break;
2055  }
2056  } else {
2057  switch (N->getOpcode()) {
2058  default:
2059  return false;
2060  case NVPTXISD::StoreV2:
2061  Opcode =
2062  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v2_areg,
2063  NVPTX::STV_i16_v2_areg, NVPTX::STV_i32_v2_areg,
2064  NVPTX::STV_i64_v2_areg, NVPTX::STV_f16_v2_areg,
2065  NVPTX::STV_f16x2_v2_areg, NVPTX::STV_f32_v2_areg,
2066  NVPTX::STV_f64_v2_areg);
2067  break;
2068  case NVPTXISD::StoreV4:
2069  Opcode =
2070  pickOpcodeForVT(EltVT.getSimpleVT().SimpleTy, NVPTX::STV_i8_v4_areg,
2071  NVPTX::STV_i16_v4_areg, NVPTX::STV_i32_v4_areg, None,
2072  NVPTX::STV_f16_v4_areg, NVPTX::STV_f16x2_v4_areg,
2073  NVPTX::STV_f32_v4_areg, None);
2074  break;
2075  }
2076  }
2077  StOps.push_back(N2);
2078  }
2079 
2080  if (!Opcode)
2081  return false;
2082 
2083  StOps.push_back(Chain);
2084 
2085  ST = CurDAG->getMachineNode(Opcode.getValue(), DL, MVT::Other, StOps);
2086 
2087  MachineMemOperand *MemRef = cast<MemSDNode>(N)->getMemOperand();
2088  CurDAG->setNodeMemRefs(cast<MachineSDNode>(ST), {MemRef});
2089 
2090  ReplaceNode(N, ST);
2091  return true;
2092 }
2093 
2094 bool NVPTXDAGToDAGISel::tryLoadParam(SDNode *Node) {
2095  SDValue Chain = Node->getOperand(0);
2096  SDValue Offset = Node->getOperand(2);
2097  SDValue Flag = Node->getOperand(3);
2098  SDLoc DL(Node);
2099  MemSDNode *Mem = cast<MemSDNode>(Node);
2100 
2101  unsigned VecSize;
2102  switch (Node->getOpcode()) {
2103  default:
2104  return false;
2105  case NVPTXISD::LoadParam:
2106  VecSize = 1;
2107  break;
2108  case NVPTXISD::LoadParamV2:
2109  VecSize = 2;
2110  break;
2111  case NVPTXISD::LoadParamV4:
2112  VecSize = 4;
2113  break;
2114  }
2115 
2116  EVT EltVT = Node->getValueType(0);
2117  EVT MemVT = Mem->getMemoryVT();
2118 
2119  Optional<unsigned> Opcode;
2120 
2121  switch (VecSize) {
2122  default:
2123  return false;
2124  case 1:
2125  Opcode = pickOpcodeForVT(MemVT.getSimpleVT().SimpleTy,
2126  NVPTX::LoadParamMemI8, NVPTX::LoadParamMemI16,
2127  NVPTX::LoadParamMemI32, NVPTX::LoadParamMemI64,
2128  NVPTX::LoadParamMemF16, NVPTX::LoadParamMemF16x2,
2129  NVPTX::LoadParamMemF32, NVPTX::LoadParamMemF64);
2130  break;
2131  case 2:
2132  Opcode =
2133  pickOpcodeForVT(MemVT.getSimpleVT().SimpleTy, NVPTX::LoadParamMemV2I8,
2134  NVPTX::LoadParamMemV2I16, NVPTX::LoadParamMemV2I32,
2135  NVPTX::LoadParamMemV2I64, NVPTX::LoadParamMemV2F16,
2136  NVPTX::LoadParamMemV2F16x2, NVPTX::LoadParamMemV2F32,
2137  NVPTX::LoadParamMemV2F64);
2138  break;
2139  case 4:
2140  Opcode = pickOpcodeForVT(
2141  MemVT.getSimpleVT().SimpleTy, NVPTX::LoadParamMemV4I8,
2142  NVPTX::LoadParamMemV4I16, NVPTX::LoadParamMemV4I32, None,
2143  NVPTX::LoadParamMemV4F16, NVPTX::LoadParamMemV4F16x2,
2144  NVPTX::LoadParamMemV4F32, None);
2145  break;
2146  }
2147  if (!Opcode)
2148  return false;
2149 
2150  SDVTList VTs;
2151  if (VecSize == 1) {
2152  VTs = CurDAG->getVTList(EltVT, MVT::Other, MVT::Glue);
2153  } else if (VecSize == 2) {
2154  VTs = CurDAG->getVTList(EltVT, EltVT, MVT::Other, MVT::Glue);
2155  } else {
2156  EVT EVTs[] = { EltVT, EltVT, EltVT, EltVT, MVT::Other, MVT::Glue };
2157  VTs = CurDAG->getVTList(EVTs);
2158  }
2159 
2160  unsigned OffsetVal = cast<ConstantSDNode>(Offset)->getZExtValue();
2161 
2162  SmallVector<SDValue, 2> Ops;
2163  Ops.push_back(CurDAG->getTargetConstant(OffsetVal, DL, MVT::i32));
2164  Ops.push_back(Chain);
2165  Ops.push_back(Flag);
2166 
2167  ReplaceNode(Node, CurDAG->getMachineNode(Opcode.getValue(), DL, VTs, Ops));
2168  return true;
2169 }
2170 
2171 bool NVPTXDAGToDAGISel::tryStoreRetval(SDNode *N) {
2172  SDLoc DL(N);
2173  SDValue Chain = N->getOperand(0);
2174  SDValue Offset = N->getOperand(1);
2175  unsigned OffsetVal = cast<ConstantSDNode>(Offset)->getZExtValue();
2176  MemSDNode *Mem = cast<MemSDNode>(N);
2177 
2178  // How many elements do we have?
2179  unsigned NumElts = 1;
2180  switch (N->getOpcode()) {
2181  default:
2182  return false;
2183  case NVPTXISD::StoreRetval:
2184  NumElts = 1;
2185  break;
2186  case NVPTXISD::StoreRetvalV2:
2187  NumElts = 2;
2188  break;
2189  case NVPTXISD::StoreRetvalV4:
2190  NumElts = 4;
2191  break;
2192  }
2193 
2194  // Build vector of operands
2195  SmallVector<SDValue, 6> Ops;
2196  for (unsigned i = 0; i < NumElts; ++i)
2197  Ops.push_back(N->getOperand(i + 2));
2198  Ops.push_back(CurDAG->getTargetConstant(OffsetVal, DL, MVT::i32));
2199  Ops.push_back(Chain);
2200 
2201  // Determine target opcode
2202  // If we have an i1, use an 8-bit store. The lowering code in
2203  // NVPTXISelLowering will have already emitted an upcast.
2204  Optional<unsigned> Opcode = 0;
2205  switch (NumElts) {
2206  default:
2207  return false;
2208  case 1:
2209  Opcode = pickOpcodeForVT(Mem->getMemoryVT().getSimpleVT().SimpleTy,
2210  NVPTX::StoreRetvalI8, NVPTX::StoreRetvalI16,
2211  NVPTX::StoreRetvalI32, NVPTX::StoreRetvalI64,
2212  NVPTX::StoreRetvalF16, NVPTX::StoreRetvalF16x2,
2213  NVPTX::StoreRetvalF32, NVPTX::StoreRetvalF64);
2214  break;
2215  case 2:
2216  Opcode = pickOpcodeForVT(Mem->getMemoryVT().getSimpleVT().SimpleTy,
2217  NVPTX::StoreRetvalV2I8, NVPTX::StoreRetvalV2I16,
2218  NVPTX::StoreRetvalV2I32, NVPTX::StoreRetvalV2I64,
2219  NVPTX::StoreRetvalV2F16, NVPTX::StoreRetvalV2F16x2,
2220  NVPTX::StoreRetvalV2F32, NVPTX::StoreRetvalV2F64);
2221  break;
2222  case 4:
2223  Opcode = pickOpcodeForVT(Mem->getMemoryVT().getSimpleVT().SimpleTy,
2224  NVPTX::StoreRetvalV4I8, NVPTX::StoreRetvalV4I16,
2225  NVPTX::StoreRetvalV4I32, None,
2226  NVPTX::StoreRetvalV4F16, NVPTX::StoreRetvalV4F16x2,
2227  NVPTX::StoreRetvalV4F32, None);
2228  break;
2229  }
2230  if (!Opcode)
2231  return false;
2232 
2233  SDNode *Ret = CurDAG->getMachineNode(Opcode.getValue(), DL, MVT::Other, Ops);
2234  MachineMemOperand *MemRef = cast<MemSDNode>(N)->getMemOperand();
2235  CurDAG->setNodeMemRefs(cast<MachineSDNode>(Ret), {MemRef});
2236 
2237  ReplaceNode(N, Ret);
2238  return true;
2239 }
2240 
2241 bool NVPTXDAGToDAGISel::tryStoreParam(SDNode *N) {
2242  SDLoc DL(N);
2243  SDValue Chain = N->getOperand(0);
2244  SDValue Param = N->getOperand(1);
2245  unsigned ParamVal = cast<ConstantSDNode>(Param)->getZExtValue();
2246  SDValue Offset = N->getOperand(2);
2247  unsigned OffsetVal = cast<ConstantSDNode>(Offset)->getZExtValue();
2248  MemSDNode *Mem = cast<MemSDNode>(N);
2249  SDValue Flag = N->getOperand(N->getNumOperands() - 1);
2250 
2251  // How many elements do we have?
2252  unsigned NumElts = 1;
2253  switch (N->getOpcode()) {
2254  default:
2255  return false;
2256  case NVPTXISD::StoreParamU32:
2257  case NVPTXISD::StoreParamS32:
2258  case NVPTXISD::StoreParam:
2259  NumElts = 1;
2260  break;
2261  case NVPTXISD::StoreParamV2:
2262  NumElts = 2;
2263  break;
2264  case NVPTXISD::StoreParamV4:
2265  NumElts = 4;
2266  break;
2267  }
2268 
2269  // Build vector of operands
2270  SmallVector<SDValue, 8> Ops;
2271  for (unsigned i = 0; i < NumElts; ++i)
2272  Ops.push_back(N->getOperand(i + 3));
2273  Ops.push_back(CurDAG->getTargetConstant(ParamVal, DL, MVT::i32));
2274  Ops.push_back(CurDAG->getTargetConstant(OffsetVal, DL, MVT::i32));
2275  Ops.push_back(Chain);
2276  Ops.push_back(Flag);
2277 
2278  // Determine target opcode
2279  // If we have an i1, use an 8-bit store. The lowering code in
2280  // NVPTXISelLowering will have already emitted an upcast.
2281  Optional<unsigned> Opcode = 0;
2282  switch (N->getOpcode()) {
2283  default:
2284  switch (NumElts) {
2285  default:
2286  return false;
2287  case 1:
2288  Opcode = pickOpcodeForVT(Mem->getMemoryVT().getSimpleVT().SimpleTy,
2289  NVPTX::StoreParamI8, NVPTX::StoreParamI16,
2290  NVPTX::StoreParamI32, NVPTX::StoreParamI64,
2291  NVPTX::StoreParamF16, NVPTX::StoreParamF16x2,
2292  NVPTX::StoreParamF32, NVPTX::StoreParamF64);
2293  break;
2294  case 2:
2295  Opcode = pickOpcodeForVT(Mem->getMemoryVT().getSimpleVT().SimpleTy,
2296  NVPTX::StoreParamV2I8, NVPTX::StoreParamV2I16,
2297  NVPTX::StoreParamV2I32, NVPTX::StoreParamV2I64,
2298  NVPTX::StoreParamV2F16, NVPTX::StoreParamV2F16x2,
2299  NVPTX::StoreParamV2F32, NVPTX::StoreParamV2F64);
2300  break;
2301  case 4:
2302  Opcode = pickOpcodeForVT(Mem->getMemoryVT().getSimpleVT().SimpleTy,
2303  NVPTX::StoreParamV4I8, NVPTX::StoreParamV4I16,
2304  NVPTX::StoreParamV4I32, None,
2305  NVPTX::StoreParamV4F16, NVPTX::StoreParamV4F16x2,
2306  NVPTX::StoreParamV4F32, None);
2307  break;
2308  }
2309  if (!Opcode)
2310  return false;
2311  break;
2312  // Special case: if we have a sign-extend/zero-extend node, insert the
2313  // conversion instruction first, and use that as the value operand to
2314  // the selected StoreParam node.
2315  case NVPTXISD::StoreParamU32: {
2316  Opcode = NVPTX::StoreParamI32;
2317  SDValue CvtNone = CurDAG->getTargetConstant(NVPTX::PTXCvtMode::NONE, DL,
2318  MVT::i32);
2319  SDNode *Cvt = CurDAG->getMachineNode(NVPTX::CVT_u32_u16, DL,
2320  MVT::i32, Ops[0], CvtNone);
2321  Ops[0] = SDValue(Cvt, 0);
2322  break;
2323  }
2324  case NVPTXISD::StoreParamS32: {
2325  Opcode = NVPTX::StoreParamI32;
2326  SDValue CvtNone = CurDAG->getTargetConstant(NVPTX::PTXCvtMode::NONE, DL,
2327  MVT::i32);
2328  SDNode *Cvt = CurDAG->getMachineNode(NVPTX::CVT_s32_s16, DL,
2329  MVT::i32, Ops[0], CvtNone);
2330  Ops[0] = SDValue(Cvt, 0);
2331  break;
2332  }
2333  }
2334 
2335  SDVTList RetVTs = CurDAG->getVTList(MVT::Other, MVT::Glue);
2336  SDNode *Ret =
2337  CurDAG->getMachineNode(Opcode.getValue(), DL, RetVTs, Ops);
2338  MachineMemOperand *MemRef = cast<MemSDNode>(N)->getMemOperand();
2339  CurDAG->setNodeMemRefs(cast<MachineSDNode>(Ret), {MemRef});
2340 
2341  ReplaceNode(N, Ret);
2342  return true;
2343 }
2344 
2345 bool NVPTXDAGToDAGISel::tryTextureIntrinsic(SDNode *N) {
2346  unsigned Opc = 0;
2347 
2348  switch (N->getOpcode()) {
2349  default: return false;
2350  case NVPTXISD::Tex1DFloatS32:
2351  Opc = NVPTX::TEX_1D_F32_S32;
2352  break;
2353  case NVPTXISD::Tex1DFloatFloat:
2354  Opc = NVPTX::TEX_1D_F32_F32;
2355  break;
2356  case NVPTXISD::Tex1DFloatFloatLevel:
2357  Opc = NVPTX::TEX_1D_F32_F32_LEVEL;
2358  break;
2359  case NVPTXISD::Tex1DFloatFloatGrad:
2360  Opc = NVPTX::TEX_1D_F32_F32_GRAD;
2361  break;
2362  case NVPTXISD::Tex1DS32S32:
2363  Opc = NVPTX::TEX_1D_S32_S32;
2364  break;
2365  case NVPTXISD::Tex1DS32Float:
2366  Opc = NVPTX::TEX_1D_S32_F32;
2367  break;
2368  case NVPTXISD::Tex1DS32FloatLevel:
2369  Opc = NVPTX::TEX_1D_S32_F32_LEVEL;
2370  break;
2371  case NVPTXISD::Tex1DS32FloatGrad:
2372  Opc = NVPTX::TEX_1D_S32_F32_GRAD;
2373  break;
2374  case NVPTXISD::Tex1DU32S32:
2375  Opc = NVPTX::TEX_1D_U32_S32;
2376  break;
2377  case NVPTXISD::Tex1DU32Float:
2378  Opc = NVPTX::TEX_1D_U32_F32;
2379  break;
2380  case NVPTXISD::Tex1DU32FloatLevel:
2381  Opc = NVPTX::TEX_1D_U32_F32_LEVEL;
2382  break;
2383  case NVPTXISD::Tex1DU32FloatGrad:
2384  Opc = NVPTX::TEX_1D_U32_F32_GRAD;
2385  break;
2386  case NVPTXISD::Tex1DArrayFloatS32:
2387  Opc = NVPTX::TEX_1D_ARRAY_F32_S32;
2388  break;
2389  case NVPTXISD::Tex1DArrayFloatFloat:
2390  Opc = NVPTX::TEX_1D_ARRAY_F32_F32;
2391  break;
2392  case NVPTXISD::Tex1DArrayFloatFloatLevel:
2393  Opc = NVPTX::TEX_1D_ARRAY_F32_F32_LEVEL;
2394  break;
2395  case NVPTXISD::Tex1DArrayFloatFloatGrad:
2396  Opc = NVPTX::TEX_1D_ARRAY_F32_F32_GRAD;
2397  break;
2398  case NVPTXISD::Tex1DArrayS32S32:
2399  Opc = NVPTX::TEX_1D_ARRAY_S32_S32;
2400  break;
2401  case NVPTXISD::Tex1DArrayS32Float:
2402  Opc = NVPTX::TEX_1D_ARRAY_S32_F32;
2403  break;
2404  case NVPTXISD::Tex1DArrayS32FloatLevel:
2405  Opc = NVPTX::TEX_1D_ARRAY_S32_F32_LEVEL;
2406  break;
2407  case NVPTXISD::Tex1DArrayS32FloatGrad:
2408  Opc = NVPTX::TEX_1D_ARRAY_S32_F32_GRAD;
2409  break;
2410  case NVPTXISD::Tex1DArrayU32S32:
2411  Opc = NVPTX::TEX_1D_ARRAY_U32_S32;
2412  break;
2413  case NVPTXISD::Tex1DArrayU32Float:
2414  Opc = NVPTX::TEX_1D_ARRAY_U32_F32;
2415  break;
2416  case NVPTXISD::Tex1DArrayU32FloatLevel:
2417  Opc = NVPTX::TEX_1D_ARRAY_U32_F32_LEVEL;
2418  break;
2419  case NVPTXISD::Tex1DArrayU32FloatGrad:
2420  Opc = NVPTX::TEX_1D_ARRAY_U32_F32_GRAD;
2421  break;
2422  case NVPTXISD::Tex2DFloatS32:
2423  Opc = NVPTX::TEX_2D_F32_S32;
2424  break;
2425  case NVPTXISD::Tex2DFloatFloat:
2426  Opc = NVPTX::TEX_2D_F32_F32;
2427  break;
2428  case NVPTXISD::Tex2DFloatFloatLevel:
2429  Opc = NVPTX::TEX_2D_F32_F32_LEVEL;
2430  break;
2431  case NVPTXISD::Tex2DFloatFloatGrad:
2432  Opc = NVPTX::TEX_2D_F32_F32_GRAD;
2433  break;
2434  case NVPTXISD::Tex2DS32S32:
2435  Opc = NVPTX::TEX_2D_S32_S32;
2436  break;
2437  case NVPTXISD::Tex2DS32Float:
2438  Opc = NVPTX::TEX_2D_S32_F32;
2439  break;
2440  case NVPTXISD::Tex2DS32FloatLevel:
2441  Opc = NVPTX::TEX_2D_S32_F32_LEVEL;
2442  break;
2443  case NVPTXISD::Tex2DS32FloatGrad:
2444  Opc = NVPTX::TEX_2D_S32_F32_GRAD;
2445  break;
2446  case NVPTXISD::Tex2DU32S32:
2447  Opc = NVPTX::TEX_2D_U32_S32;
2448  break;
2449  case NVPTXISD::Tex2DU32Float:
2450  Opc = NVPTX::TEX_2D_U32_F32;
2451  break;
2452  case NVPTXISD::Tex2DU32FloatLevel:
2453  Opc = NVPTX::TEX_2D_U32_F32_LEVEL;
2454  break;
2455  case NVPTXISD::Tex2DU32FloatGrad:
2456  Opc = NVPTX::TEX_2D_U32_F32_GRAD;
2457  break;
2458  case NVPTXISD::Tex2DArrayFloatS32:
2459  Opc = NVPTX::TEX_2D_ARRAY_F32_S32;
2460  break;
2461  case NVPTXISD::Tex2DArrayFloatFloat:
2462  Opc = NVPTX::TEX_2D_ARRAY_F32_F32;
2463  break;
2464  case NVPTXISD::Tex2DArrayFloatFloatLevel:
2465  Opc = NVPTX::TEX_2D_ARRAY_F32_F32_LEVEL;
2466  break;
2467  case NVPTXISD::Tex2DArrayFloatFloatGrad:
2468  Opc = NVPTX::TEX_2D_ARRAY_F32_F32_GRAD;
2469  break;
2470  case NVPTXISD::Tex2DArrayS32S32:
2471  Opc = NVPTX::TEX_2D_ARRAY_S32_S32;
2472  break;
2473  case NVPTXISD::Tex2DArrayS32Float:
2474  Opc = NVPTX::TEX_2D_ARRAY_S32_F32;
2475  break;
2476  case NVPTXISD::Tex2DArrayS32FloatLevel:
2477  Opc = NVPTX::TEX_2D_ARRAY_S32_F32_LEVEL;
2478  break;
2479  case NVPTXISD::Tex2DArrayS32FloatGrad:
2480  Opc = NVPTX::TEX_2D_ARRAY_S32_F32_GRAD;
2481  break;
2482  case NVPTXISD::Tex2DArrayU32S32:
2483  Opc = NVPTX::TEX_2D_ARRAY_U32_S32;
2484  break;
2485  case NVPTXISD::Tex2DArrayU32Float:
2486  Opc = NVPTX::TEX_2D_ARRAY_U32_F32;
2487  break;
2488  case NVPTXISD::Tex2DArrayU32FloatLevel:
2489  Opc = NVPTX::TEX_2D_ARRAY_U32_F32_LEVEL;
2490  break;
2491  case NVPTXISD::Tex2DArrayU32FloatGrad:
2492  Opc = NVPTX::TEX_2D_ARRAY_U32_F32_GRAD;
2493  break;
2494  case NVPTXISD::Tex3DFloatS32:
2495  Opc = NVPTX::TEX_3D_F32_S32;
2496  break;
2497  case NVPTXISD::Tex3DFloatFloat:
2498  Opc = NVPTX::TEX_3D_F32_F32;
2499  break;
2500  case NVPTXISD::Tex3DFloatFloatLevel:
2501  Opc = NVPTX::TEX_3D_F32_F32_LEVEL;
2502  break;
2503  case NVPTXISD::Tex3DFloatFloatGrad:
2504  Opc = NVPTX::TEX_3D_F32_F32_GRAD;
2505  break;
2506  case NVPTXISD::Tex3DS32S32:
2507  Opc = NVPTX::TEX_3D_S32_S32;
2508  break;
2509  case NVPTXISD::Tex3DS32Float:
2510  Opc = NVPTX::TEX_3D_S32_F32;
2511  break;
2512  case NVPTXISD::Tex3DS32FloatLevel:
2513  Opc = NVPTX::TEX_3D_S32_F32_LEVEL;
2514  break;
2515  case NVPTXISD::Tex3DS32FloatGrad:
2516  Opc = NVPTX::TEX_3D_S32_F32_GRAD;
2517  break;
2518  case NVPTXISD::Tex3DU32S32:
2519  Opc = NVPTX::TEX_3D_U32_S32;
2520  break;
2521  case NVPTXISD::Tex3DU32Float:
2522  Opc = NVPTX::TEX_3D_U32_F32;
2523  break;
2524  case NVPTXISD::Tex3DU32FloatLevel:
2525  Opc = NVPTX::TEX_3D_U32_F32_LEVEL;
2526  break;
2527  case NVPTXISD::Tex3DU32FloatGrad:
2528  Opc = NVPTX::TEX_3D_U32_F32_GRAD;
2529  break;
2530  case NVPTXISD::TexCubeFloatFloat:
2531  Opc = NVPTX::TEX_CUBE_F32_F32;
2532  break;
2533  case NVPTXISD::TexCubeFloatFloatLevel:
2534  Opc = NVPTX::TEX_CUBE_F32_F32_LEVEL;
2535  break;
2536  case NVPTXISD::TexCubeS32Float:
2537  Opc = NVPTX::TEX_CUBE_S32_F32;
2538  break;
2539  case NVPTXISD::TexCubeS32FloatLevel:
2540  Opc = NVPTX::TEX_CUBE_S32_F32_LEVEL;
2541  break;
2542  case NVPTXISD::TexCubeU32Float:
2543  Opc = NVPTX::TEX_CUBE_U32_F32;
2544  break;
2545  case NVPTXISD::TexCubeU32FloatLevel:
2546  Opc = NVPTX::TEX_CUBE_U32_F32_LEVEL;
2547  break;
2548  case NVPTXISD::TexCubeArrayFloatFloat:
2549  Opc = NVPTX::TEX_CUBE_ARRAY_F32_F32;
2550  break;
2551  case NVPTXISD::TexCubeArrayFloatFloatLevel:
2552  Opc = NVPTX::TEX_CUBE_ARRAY_F32_F32_LEVEL;
2553  break;
2554  case NVPTXISD::TexCubeArrayS32Float:
2555  Opc = NVPTX::TEX_CUBE_ARRAY_S32_F32;
2556  break;
2557  case NVPTXISD::TexCubeArrayS32FloatLevel:
2558  Opc = NVPTX::TEX_CUBE_ARRAY_S32_F32_LEVEL;
2559  break;
2560  case NVPTXISD::TexCubeArrayU32Float:
2561  Opc = NVPTX::TEX_CUBE_ARRAY_U32_F32;
2562  break;
2563  case NVPTXISD::TexCubeArrayU32FloatLevel:
2564  Opc = NVPTX::TEX_CUBE_ARRAY_U32_F32_LEVEL;
2565  break;
2566  case NVPTXISD::Tld4R2DFloatFloat:
2567  Opc = NVPTX::TLD4_R_2D_F32_F32;
2568  break;
2569  case NVPTXISD::Tld4G2DFloatFloat:
2570  Opc = NVPTX::TLD4_G_2D_F32_F32;
2571  break;
2572  case NVPTXISD::Tld4B2DFloatFloat:
2573  Opc = NVPTX::TLD4_B_2D_F32_F32;
2574  break;
2575  case NVPTXISD::Tld4A2DFloatFloat:
2576  Opc = NVPTX::TLD4_A_2D_F32_F32;
2577  break;
2578  case NVPTXISD::Tld4R2DS64Float:
2579  Opc = NVPTX::TLD4_R_2D_S32_F32;
2580  break;
2581  case NVPTXISD::Tld4G2DS64Float:
2582  Opc = NVPTX::TLD4_G_2D_S32_F32;
2583  break;
2584  case NVPTXISD::Tld4B2DS64Float:
2585  Opc = NVPTX::TLD4_B_2D_S32_F32;
2586  break;
2587  case NVPTXISD::Tld4A2DS64Float:
2588  Opc = NVPTX::TLD4_A_2D_S32_F32;
2589  break;
2590  case NVPTXISD::Tld4R2DU64Float:
2591  Opc = NVPTX::TLD4_R_2D_U32_F32;
2592  break;
2593  case NVPTXISD::Tld4G2DU64Float:
2594  Opc = NVPTX::TLD4_G_2D_U32_F32;
2595  break;
2596  case NVPTXISD::Tld4B2DU64Float:
2597  Opc = NVPTX::TLD4_B_2D_U32_F32;
2598  break;
2599  case NVPTXISD::Tld4A2DU64Float:
2600  Opc = NVPTX::TLD4_A_2D_U32_F32;
2601  break;
2602  case NVPTXISD::TexUnified1DFloatS32:
2603  Opc = NVPTX::TEX_UNIFIED_1D_F32_S32;
2604  break;
2605  case NVPTXISD::TexUnified1DFloatFloat:
2606  Opc = NVPTX::TEX_UNIFIED_1D_F32_F32;
2607  break;
2608  case NVPTXISD::TexUnified1DFloatFloatLevel:
2609  Opc = NVPTX::TEX_UNIFIED_1D_F32_F32_LEVEL;
2610  break;
2611  case NVPTXISD::TexUnified1DFloatFloatGrad:
2612  Opc = NVPTX::TEX_UNIFIED_1D_F32_F32_GRAD;
2613  break;
2614  case NVPTXISD::TexUnified1DS32S32:
2615  Opc = NVPTX::TEX_UNIFIED_1D_S32_S32;
2616  break;
2617  case NVPTXISD::TexUnified1DS32Float:
2618  Opc = NVPTX::TEX_UNIFIED_1D_S32_F32;
2619  break;
2620  case NVPTXISD::TexUnified1DS32FloatLevel:
2621  Opc = NVPTX::TEX_UNIFIED_1D_S32_F32_LEVEL;
2622  break;
2623  case NVPTXISD::TexUnified1DS32FloatGrad:
2624  Opc = NVPTX::TEX_UNIFIED_1D_S32_F32_GRAD;
2625  break;
2626  case NVPTXISD::TexUnified1DU32S32:
2627  Opc = NVPTX::TEX_UNIFIED_1D_U32_S32;
2628  break;
2629  case NVPTXISD::TexUnified1DU32Float:
2630  Opc = NVPTX::TEX_UNIFIED_1D_U32_F32;
2631  break;
2632  case NVPTXISD::TexUnified1DU32FloatLevel:
2633  Opc = NVPTX::TEX_UNIFIED_1D_U32_F32_LEVEL;
2634  break;
2635  case NVPTXISD::TexUnified1DU32FloatGrad:
2636  Opc = NVPTX::TEX_UNIFIED_1D_U32_F32_GRAD;
2637  break;
2638  case NVPTXISD::TexUnified1DArrayFloatS32:
2639  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_F32_S32;
2640  break;
2641  case NVPTXISD::TexUnified1DArrayFloatFloat:
2642  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_F32_F32;
2643  break;
2644  case NVPTXISD::TexUnified1DArrayFloatFloatLevel:
2645  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_F32_F32_LEVEL;
2646  break;
2647  case NVPTXISD::TexUnified1DArrayFloatFloatGrad:
2648  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_F32_F32_GRAD;
2649  break;
2650  case NVPTXISD::TexUnified1DArrayS32S32:
2651  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_S32_S32;
2652  break;
2653  case NVPTXISD::TexUnified1DArrayS32Float:
2654  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_S32_F32;
2655  break;
2656  case NVPTXISD::TexUnified1DArrayS32FloatLevel:
2657  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_S32_F32_LEVEL;
2658  break;
2659  case NVPTXISD::TexUnified1DArrayS32FloatGrad:
2660  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_S32_F32_GRAD;
2661  break;
2662  case NVPTXISD::TexUnified1DArrayU32S32:
2663  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_U32_S32;
2664  break;
2665  case NVPTXISD::TexUnified1DArrayU32Float:
2666  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_U32_F32;
2667  break;
2668  case NVPTXISD::TexUnified1DArrayU32FloatLevel:
2669  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_U32_F32_LEVEL;
2670  break;
2671  case NVPTXISD::TexUnified1DArrayU32FloatGrad:
2672  Opc = NVPTX::TEX_UNIFIED_1D_ARRAY_U32_F32_GRAD;
2673  break;
2674  case NVPTXISD::TexUnified2DFloatS32:
2675  Opc = NVPTX::TEX_UNIFIED_2D_F32_S32;
2676  break;
2677  case NVPTXISD::TexUnified2DFloatFloat:
2678  Opc = NVPTX::TEX_UNIFIED_2D_F32_F32;
2679  break;
2680  case NVPTXISD::TexUnified2DFloatFloatLevel:
2681  Opc = NVPTX::TEX_UNIFIED_2D_F32_F32_LEVEL;
2682  break;
2683  case NVPTXISD::TexUnified2DFloatFloatGrad:
2684  Opc = NVPTX::TEX_UNIFIED_2D_F32_F32_GRAD;
2685  break;
2686  case NVPTXISD::TexUnified2DS32S32:
2687  Opc = NVPTX::TEX_UNIFIED_2D_S32_S32;
2688  break;
2689  case NVPTXISD::TexUnified2DS32Float:
2690  Opc = NVPTX::TEX_UNIFIED_2D_S32_F32;
2691  break;
2692  case NVPTXISD::TexUnified2DS32FloatLevel:
2693  Opc = NVPTX::TEX_UNIFIED_2D_S32_F32_LEVEL;
2694  break;
2695  case NVPTXISD::TexUnified2DS32FloatGrad:
2696  Opc = NVPTX::TEX_UNIFIED_2D_S32_F32_GRAD;
2697  break;
2698  case NVPTXISD::TexUnified2DU32S32:
2699  Opc = NVPTX::TEX_UNIFIED_2D_U32_S32;
2700  break;
2701  case NVPTXISD::TexUnified2DU32Float:
2702  Opc = NVPTX::TEX_UNIFIED_2D_U32_F32;
2703  break;
2704  case NVPTXISD::TexUnified2DU32FloatLevel:
2705  Opc = NVPTX::TEX_UNIFIED_2D_U32_F32_LEVEL;
2706  break;
2707  case NVPTXISD::TexUnified2DU32FloatGrad:
2708  Opc = NVPTX::TEX_UNIFIED_2D_U32_F32_GRAD;
2709  break;
2710  case NVPTXISD::TexUnified2DArrayFloatS32:
2711  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_F32_S32;
2712  break;
2713  case NVPTXISD::TexUnified2DArrayFloatFloat:
2714  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_F32_F32;
2715  break;
2716  case NVPTXISD::TexUnified2DArrayFloatFloatLevel:
2717  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_F32_F32_LEVEL;
2718  break;
2719  case NVPTXISD::TexUnified2DArrayFloatFloatGrad:
2720  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_F32_F32_GRAD;
2721  break;
2722  case NVPTXISD::TexUnified2DArrayS32S32:
2723  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_S32_S32;
2724  break;
2725  case NVPTXISD::TexUnified2DArrayS32Float:
2726  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_S32_F32;
2727  break;
2728  case NVPTXISD::TexUnified2DArrayS32FloatLevel:
2729  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_S32_F32_LEVEL;
2730  break;
2731  case NVPTXISD::TexUnified2DArrayS32FloatGrad:
2732  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_S32_F32_GRAD;
2733  break;
2734  case NVPTXISD::TexUnified2DArrayU32S32:
2735  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_U32_S32;
2736  break;
2737  case NVPTXISD::TexUnified2DArrayU32Float:
2738  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_U32_F32;
2739  break;
2740  case NVPTXISD::TexUnified2DArrayU32FloatLevel:
2741  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_U32_F32_LEVEL;
2742  break;
2743  case NVPTXISD::TexUnified2DArrayU32FloatGrad:
2744  Opc = NVPTX::TEX_UNIFIED_2D_ARRAY_U32_F32_GRAD;
2745  break;
2746  case NVPTXISD::TexUnified3DFloatS32:
2747  Opc = NVPTX::TEX_UNIFIED_3D_F32_S32;
2748  break;
2749  case NVPTXISD::TexUnified3DFloatFloat:
2750  Opc = NVPTX::TEX_UNIFIED_3D_F32_F32;
2751  break;
2752  case NVPTXISD::TexUnified3DFloatFloatLevel:
2753  Opc = NVPTX::TEX_UNIFIED_3D_F32_F32_LEVEL;
2754  break;
2755  case NVPTXISD::TexUnified3DFloatFloatGrad:
2756  Opc = NVPTX::TEX_UNIFIED_3D_F32_F32_GRAD;
2757  break;
2758  case NVPTXISD::TexUnified3DS32S32:
2759  Opc = NVPTX::TEX_UNIFIED_3D_S32_S32;
2760  break;
2761  case NVPTXISD::TexUnified3DS32Float:
2762  Opc = NVPTX::TEX_UNIFIED_3D_S32_F32;
2763  break;
2764  case NVPTXISD::TexUnified3DS32FloatLevel:
2765  Opc = NVPTX::TEX_UNIFIED_3D_S32_F32_LEVEL;
2766  break;
2767  case NVPTXISD::TexUnified3DS32FloatGrad:
2768  Opc = NVPTX::TEX_UNIFIED_3D_S32_F32_GRAD;
2769  break;
2770  case NVPTXISD::TexUnified3DU32S32:
2771  Opc = NVPTX::TEX_UNIFIED_3D_U32_S32;
2772  break;
2773  case NVPTXISD::TexUnified3DU32Float:
2774  Opc = NVPTX::TEX_UNIFIED_3D_U32_F32;
2775  break;
2776  case NVPTXISD::TexUnified3DU32FloatLevel:
2777  Opc = NVPTX::TEX_UNIFIED_3D_U32_F32_LEVEL;
2778  break;
2779  case NVPTXISD::TexUnified3DU32FloatGrad:
2780  Opc = NVPTX::TEX_UNIFIED_3D_U32_F32_GRAD;
2781  break;
2782  case NVPTXISD::TexUnifiedCubeFloatFloat:
2783  Opc = NVPTX::TEX_UNIFIED_CUBE_F32_F32;
2784  break;
2785  case NVPTXISD::TexUnifiedCubeFloatFloatLevel:
2786  Opc = NVPTX::TEX_UNIFIED_CUBE_F32_F32_LEVEL;
2787  break;
2788  case NVPTXISD::TexUnifiedCubeS32Float:
2789  Opc = NVPTX::TEX_UNIFIED_CUBE_S32_F32;
2790  break;
2791  case NVPTXISD::TexUnifiedCubeS32FloatLevel:
2792  Opc = NVPTX::TEX_UNIFIED_CUBE_S32_F32_LEVEL;
2793  break;
2794  case NVPTXISD::TexUnifiedCubeU32Float:
2795  Opc = NVPTX::TEX_UNIFIED_CUBE_U32_F32;
2796  break;
2797  case NVPTXISD::TexUnifiedCubeU32FloatLevel:
2798  Opc = NVPTX::TEX_UNIFIED_CUBE_U32_F32_LEVEL;
2799  break;
2800  case NVPTXISD::TexUnifiedCubeArrayFloatFloat:
2801  Opc = NVPTX::TEX_UNIFIED_CUBE_ARRAY_F32_F32;
2802  break;
2803  case NVPTXISD::TexUnifiedCubeArrayFloatFloatLevel:
2804  Opc = NVPTX::TEX_UNIFIED_CUBE_ARRAY_F32_F32_LEVEL;
2805  break;
2806  case NVPTXISD::TexUnifiedCubeArrayS32Float:
2807  Opc = NVPTX::TEX_UNIFIED_CUBE_ARRAY_S32_F32;
2808  break;
2809  case NVPTXISD::TexUnifiedCubeArrayS32FloatLevel:
2810  Opc = NVPTX::TEX_UNIFIED_CUBE_ARRAY_S32_F32_LEVEL;
2811  break;
2812  case NVPTXISD::TexUnifiedCubeArrayU32Float:
2813  Opc = NVPTX::TEX_UNIFIED_CUBE_ARRAY_U32_F32;
2814  break;
2815  case NVPTXISD::TexUnifiedCubeArrayU32FloatLevel:
2816  Opc = NVPTX::TEX_UNIFIED_CUBE_ARRAY_U32_F32_LEVEL;
2817  break;
2818  case NVPTXISD::Tld4UnifiedR2DFloatFloat:
2819  Opc = NVPTX::TLD4_UNIFIED_R_2D_F32_F32;
2820  break;
2821  case NVPTXISD::Tld4UnifiedG2DFloatFloat:
2822  Opc = NVPTX::TLD4_UNIFIED_G_2D_F32_F32;
2823  break;
2824  case NVPTXISD::Tld4UnifiedB2DFloatFloat:
2825  Opc = NVPTX::TLD4_UNIFIED_B_2D_F32_F32;
2826  break;
2827  case NVPTXISD::Tld4UnifiedA2DFloatFloat:
2828  Opc = NVPTX::TLD4_UNIFIED_A_2D_F32_F32;
2829  break;
2830  case NVPTXISD::Tld4UnifiedR2DS64Float:
2831  Opc = NVPTX::TLD4_UNIFIED_R_2D_S32_F32;
2832  break;
2833  case NVPTXISD::Tld4UnifiedG2DS64Float:
2834  Opc = NVPTX::TLD4_UNIFIED_G_2D_S32_F32;
2835  break;
2836  case NVPTXISD::Tld4UnifiedB2DS64Float:
2837  Opc = NVPTX::TLD4_UNIFIED_B_2D_S32_F32;
2838  break;
2839  case NVPTXISD::Tld4UnifiedA2DS64Float:
2840  Opc = NVPTX::TLD4_UNIFIED_A_2D_S32_F32;
2841  break;
2842  case NVPTXISD::Tld4UnifiedR2DU64Float:
2843  Opc = NVPTX::TLD4_UNIFIED_R_2D_U32_F32;
2844  break;
2845  case NVPTXISD::Tld4UnifiedG2DU64Float:
2846  Opc = NVPTX::TLD4_UNIFIED_G_2D_U32_F32;
2847  break;
2848  case NVPTXISD::Tld4UnifiedB2DU64Float:
2849  Opc = NVPTX::TLD4_UNIFIED_B_2D_U32_F32;
2850  break;
2851  case NVPTXISD::Tld4UnifiedA2DU64Float:
2852  Opc = NVPTX::TLD4_UNIFIED_A_2D_U32_F32;
2853  break;
2854  }
2855 
2856  // Copy over operands
2857  SmallVector<SDValue, 8> Ops(N->op_begin() + 1, N->op_end());
2858  Ops.push_back(N->getOperand(0)); // Move chain to the back.
2859 
2860  ReplaceNode(N, CurDAG->getMachineNode(Opc, SDLoc(N), N->getVTList(), Ops));
2861  return true;
2862 }
2863 
2864 bool NVPTXDAGToDAGISel::trySurfaceIntrinsic(SDNode *N) {
2865  unsigned Opc = 0;
2866  switch (N->getOpcode()) {
2867  default: return false;
2868  case NVPTXISD::Suld1DI8Clamp:
2869  Opc = NVPTX::SULD_1D_I8_CLAMP;
2870  break;
2871  case NVPTXISD::Suld1DI16Clamp:
2872  Opc = NVPTX::SULD_1D_I16_CLAMP;
2873  break;
2874  case NVPTXISD::Suld1DI32Clamp:
2875  Opc = NVPTX::SULD_1D_I32_CLAMP;
2876  break;
2877  case NVPTXISD::Suld1DI64Clamp:
2878  Opc = NVPTX::SULD_1D_I64_CLAMP;
2879  break;
2880  case NVPTXISD::Suld1DV2I8Clamp:
2881  Opc = NVPTX::SULD_1D_V2I8_CLAMP;
2882  break;
2883  case NVPTXISD::Suld1DV2I16Clamp:
2884  Opc = NVPTX::SULD_1D_V2I16_CLAMP;
2885  break;
2886  case NVPTXISD::Suld1DV2I32Clamp:
2887  Opc = NVPTX::SULD_1D_V2I32_CLAMP;
2888  break;
2889  case NVPTXISD::Suld1DV2I64Clamp:
2890  Opc = NVPTX::SULD_1D_V2I64_CLAMP;
2891  break;
2892  case NVPTXISD::Suld1DV4I8Clamp:
2893  Opc = NVPTX::SULD_1D_V4I8_CLAMP;
2894  break;
2895  case NVPTXISD::Suld1DV4I16Clamp:
2896  Opc = NVPTX::SULD_1D_V4I16_CLAMP;
2897  break;
2898  case NVPTXISD::Suld1DV4I32Clamp:
2899  Opc = NVPTX::SULD_1D_V4I32_CLAMP;
2900  break;
2901  case NVPTXISD::Suld1DArrayI8Clamp:
2902  Opc = NVPTX::SULD_1D_ARRAY_I8_CLAMP;
2903  break;
2904  case NVPTXISD::Suld1DArrayI16Clamp:
2905  Opc = NVPTX::SULD_1D_ARRAY_I16_CLAMP;
2906  break;
2907  case NVPTXISD::Suld1DArrayI32Clamp:
2908  Opc = NVPTX::SULD_1D_ARRAY_I32_CLAMP;
2909  break;
2910  case NVPTXISD::Suld1DArrayI64Clamp:
2911  Opc = NVPTX::SULD_1D_ARRAY_I64_CLAMP;
2912  break;
2913  case NVPTXISD::Suld1DArrayV2I8Clamp:
2914  Opc = NVPTX::SULD_1D_ARRAY_V2I8_CLAMP;
2915  break;
2916  case NVPTXISD::Suld1DArrayV2I16Clamp:
2917  Opc = NVPTX::SULD_1D_ARRAY_V2I16_CLAMP;
2918  break;
2919  case NVPTXISD::Suld1DArrayV2I32Clamp:
2920  Opc = NVPTX::SULD_1D_ARRAY_V2I32_CLAMP;
2921  break;
2922  case NVPTXISD::Suld1DArrayV2I64Clamp:
2923  Opc = NVPTX::SULD_1D_ARRAY_V2I64_CLAMP;
2924  break;
2925  case NVPTXISD::Suld1DArrayV4I8Clamp:
2926  Opc = NVPTX::SULD_1D_ARRAY_V4I8_CLAMP;
2927  break;
2928  case NVPTXISD::Suld1DArrayV4I16Clamp:
2929  Opc = NVPTX::SULD_1D_ARRAY_V4I16_CLAMP;
2930  break;
2931  case NVPTXISD::Suld1DArrayV4I32Clamp:
2932  Opc = NVPTX::SULD_1D_ARRAY_V4I32_CLAMP;
2933  break;
2934  case NVPTXISD::Suld2DI8Clamp:
2935  Opc = NVPTX::SULD_2D_I8_CLAMP;
2936  break;
2937  case NVPTXISD::Suld2DI16Clamp:
2938  Opc = NVPTX::SULD_2D_I16_CLAMP;
2939  break;
2940  case NVPTXISD::Suld2DI32Clamp:
2941  Opc = NVPTX::SULD_2D_I32_CLAMP;
2942  break;
2943  case NVPTXISD::Suld2DI64Clamp:
2944  Opc = NVPTX::SULD_2D_I64_CLAMP;
2945  break;
2946  case NVPTXISD::Suld2DV2I8Clamp:
2947  Opc = NVPTX::SULD_2D_V2I8_CLAMP;
2948  break;
2949  case NVPTXISD::Suld2DV2I16Clamp:
2950  Opc = NVPTX::SULD_2D_V2I16_CLAMP;
2951  break;
2952  case NVPTXISD::Suld2DV2I32Clamp:
2953  Opc = NVPTX::SULD_2D_V2I32_CLAMP;
2954  break;
2955  case NVPTXISD::Suld2DV2I64Clamp:
2956  Opc = NVPTX::SULD_2D_V2I64_CLAMP;
2957  break;
2958  case NVPTXISD::Suld2DV4I8Clamp:
2959  Opc = NVPTX::SULD_2D_V4I8_CLAMP;
2960  break;
2961  case NVPTXISD::Suld2DV4I16Clamp:
2962  Opc = NVPTX::SULD_2D_V4I16_CLAMP;
2963  break;
2964  case NVPTXISD::Suld2DV4I32Clamp:
2965  Opc = NVPTX::SULD_2D_V4I32_CLAMP;
2966  break;
2967  case NVPTXISD::Suld2DArrayI8Clamp:
2968  Opc = NVPTX::SULD_2D_ARRAY_I8_CLAMP;
2969  break;
2970  case NVPTXISD::Suld2DArrayI16Clamp:
2971  Opc = NVPTX::SULD_2D_ARRAY_I16_CLAMP;
2972  break;
2973  case NVPTXISD::Suld2DArrayI32Clamp:
2974  Opc = NVPTX::SULD_2D_ARRAY_I32_CLAMP;
2975  break;
2976  case NVPTXISD::Suld2DArrayI64Clamp:
2977  Opc = NVPTX::SULD_2D_ARRAY_I64_CLAMP;
2978  break;
2979  case NVPTXISD::Suld2DArrayV2I8Clamp:
2980  Opc = NVPTX::SULD_2D_ARRAY_V2I8_CLAMP;
2981  break;
2982  case NVPTXISD::Suld2DArrayV2I16Clamp:
2983  Opc = NVPTX::SULD_2D_ARRAY_V2I16_CLAMP;
2984  break;
2985  case NVPTXISD::Suld2DArrayV2I32Clamp:
2986  Opc = NVPTX::SULD_2D_ARRAY_V2I32_CLAMP;
2987  break;
2988  case NVPTXISD::Suld2DArrayV2I64Clamp:
2989  Opc = NVPTX::SULD_2D_ARRAY_V2I64_CLAMP;
2990  break;
2991  case NVPTXISD::Suld2DArrayV4I8Clamp:
2992  Opc = NVPTX::SULD_2D_ARRAY_V4I8_CLAMP;
2993  break;
2994  case NVPTXISD::Suld2DArrayV4I16Clamp:
2995  Opc = NVPTX::SULD_2D_ARRAY_V4I16_CLAMP;
2996  break;
2997  case NVPTXISD::Suld2DArrayV4I32Clamp:
2998  Opc = NVPTX::SULD_2D_ARRAY_V4I32_CLAMP;
2999  break;
3000  case NVPTXISD::Suld3DI8Clamp:
3001  Opc = NVPTX::SULD_3D_I8_CLAMP;
3002  break;
3003  case NVPTXISD::Suld3DI16Clamp:
3004  Opc = NVPTX::SULD_3D_I16_CLAMP;
3005  break;
3006  case NVPTXISD::Suld3DI32Clamp:
3007  Opc = NVPTX::SULD_3D_I32_CLAMP;
3008  break;
3009  case NVPTXISD::Suld3DI64Clamp:
3010  Opc = NVPTX::SULD_3D_I64_CLAMP;
3011  break;
3012  case NVPTXISD::Suld3DV2I8Clamp:
3013  Opc = NVPTX::SULD_3D_V2I8_CLAMP;
3014  break;
3015  case NVPTXISD::Suld3DV2I16Clamp:
3016  Opc = NVPTX::SULD_3D_V2I16_CLAMP;
3017  break;
3018  case NVPTXISD::Suld3DV2I32Clamp:
3019  Opc = NVPTX::SULD_3D_V2I32_CLAMP;
3020  break;
3021  case NVPTXISD::Suld3DV2I64Clamp:
3022  Opc = NVPTX::SULD_3D_V2I64_CLAMP;
3023  break;
3024  case NVPTXISD::Suld3DV4I8Clamp:
3025  Opc = NVPTX::SULD_3D_V4I8_CLAMP;
3026  break;
3027  case NVPTXISD::Suld3DV4I16Clamp:
3028  Opc = NVPTX::SULD_3D_V4I16_CLAMP;
3029  break;
3030  case NVPTXISD::Suld3DV4I32Clamp:
3031  Opc = NVPTX::SULD_3D_V4I32_CLAMP;
3032  break;
3033  case NVPTXISD::Suld1DI8Trap:
3034  Opc = NVPTX::SULD_1D_I8_TRAP;
3035  break;
3036  case NVPTXISD::Suld1DI16Trap:
3037  Opc = NVPTX::SULD_1D_I16_TRAP;
3038  break;
3039  case NVPTXISD::Suld1DI32Trap:
3040  Opc = NVPTX::SULD_1D_I32_TRAP;
3041  break;
3042  case NVPTXISD::Suld1DI64Trap:
3043  Opc = NVPTX::SULD_1D_I64_TRAP;
3044  break;
3045  case NVPTXISD::Suld1DV2I8Trap:
3046  Opc = NVPTX::SULD_1D_V2I8_TRAP;
3047  break;
3048  case NVPTXISD::Suld1DV2I16Trap:
3049  Opc = NVPTX::SULD_1D_V2I16_TRAP;
3050  break;
3051  case NVPTXISD::Suld1DV2I32Trap:
3052  Opc = NVPTX::SULD_1D_V2I32_TRAP;
3053  break;
3054  case NVPTXISD::Suld1DV2I64Trap:
3055  Opc = NVPTX::SULD_1D_V2I64_TRAP;
3056  break;
3057  case NVPTXISD::Suld1DV4I8Trap:
3058  Opc = NVPTX::SULD_1D_V4I8_TRAP;
3059  break;
3060  case NVPTXISD::Suld1DV4I16Trap:
3061  Opc = NVPTX::SULD_1D_V4I16_TRAP;
3062  break;
3063  case NVPTXISD::Suld1DV4I32Trap:
3064  Opc = NVPTX::SULD_1D_V4I32_TRAP;
3065  break;
3066  case NVPTXISD::Suld1DArrayI8Trap:
3067  Opc = NVPTX::SULD_1D_ARRAY_I8_TRAP;
3068  break;
3069  case NVPTXISD::Suld1DArrayI16Trap:
3070  Opc = NVPTX::SULD_1D_ARRAY_I16_TRAP;
3071  break;
3072  case NVPTXISD::Suld1DArrayI32Trap:
3073  Opc = NVPTX::SULD_1D_ARRAY_I32_TRAP;
3074  break;
3075  case NVPTXISD::Suld1DArrayI64Trap:
3076  Opc = NVPTX::SULD_1D_ARRAY_I64_TRAP;
3077  break;
3078  case NVPTXISD::Suld1DArrayV2I8Trap:
3079  Opc = NVPTX::SULD_1D_ARRAY_V2I8_TRAP;
3080  break;
3081  case NVPTXISD::Suld1DArrayV2I16Trap:
3082  Opc = NVPTX::SULD_1D_ARRAY_V2I16_TRAP;
3083  break;
3084  case NVPTXISD::Suld1DArrayV2I32Trap:
3085  Opc = NVPTX::SULD_1D_ARRAY_V2I32_TRAP;
3086  break;
3087  case NVPTXISD::Suld1DArrayV2I64Trap:
3088  Opc = NVPTX::SULD_1D_ARRAY_V2I64_TRAP;
3089  break;
3090  case NVPTXISD::Suld1DArrayV4I8Trap:
3091  Opc = NVPTX::SULD_1D_ARRAY_V4I8_TRAP;
3092  break;
3093  case NVPTXISD::Suld1DArrayV4I16Trap:
3094  Opc = NVPTX::SULD_1D_ARRAY_V4I16_TRAP;
3095  break;
3096  case NVPTXISD::Suld1DArrayV4I32Trap:
3097  Opc = NVPTX::SULD_1D_ARRAY_V4I32_TRAP;
3098  break;
3099  case NVPTXISD::Suld2DI8Trap:
3100  Opc = NVPTX::SULD_2D_I8_TRAP;
3101  break;
3102  case NVPTXISD::Suld2DI16Trap:
3103  Opc = NVPTX::SULD_2D_I16_TRAP;
3104  break;
3105  case NVPTXISD::Suld2DI32Trap:
3106  Opc = NVPTX::SULD_2D_I32_TRAP;
3107  break;
3108  case NVPTXISD::Suld2DI64Trap:
3109  Opc = NVPTX::SULD_2D_I64_TRAP;
3110  break;
3111  case NVPTXISD::Suld2DV2I8Trap:
3112  Opc = NVPTX::SULD_2D_V2I8_TRAP;
3113  break;
3114  case NVPTXISD::Suld2DV2I16Trap:
3115  Opc = NVPTX::SULD_2D_V2I16_TRAP;
3116  break;
3117  case NVPTXISD::Suld2DV2I32Trap:
3118  Opc = NVPTX::SULD_2D_V2I32_TRAP;
3119  break;
3120  case NVPTXISD::Suld2DV2I64Trap:
3121  Opc = NVPTX::SULD_2D_V2I64_TRAP;
3122  break;
3123  case NVPTXISD::Suld2DV4I8Trap:
3124  Opc = NVPTX::SULD_2D_V4I8_TRAP;
3125  break;
3126  case NVPTXISD::Suld2DV4I16Trap:
3127  Opc = NVPTX::SULD_2D_V4I16_TRAP;
3128  break;
3129  case NVPTXISD::Suld2DV4I32Trap:
3130  Opc = NVPTX::SULD_2D_V4I32_TRAP;
3131  break;
3132  case NVPTXISD::Suld2DArrayI8Trap:
3133  Opc = NVPTX::SULD_2D_ARRAY_I8_TRAP;
3134  break;
3135  case NVPTXISD::Suld2DArrayI16Trap:
3136  Opc = NVPTX::SULD_2D_ARRAY_I16_TRAP;
3137  break;
3138  case NVPTXISD::Suld2DArrayI32Trap:
3139  Opc = NVPTX::SULD_2D_ARRAY_I32_TRAP;
3140  break;
3141  case NVPTXISD::Suld2DArrayI64Trap:
3142  Opc = NVPTX::SULD_2D_ARRAY_I64_TRAP;
3143  break;
3144  case NVPTXISD::Suld2DArrayV2I8Trap:
3145  Opc = NVPTX::SULD_2D_ARRAY_V2I8_TRAP;
3146  break;
3147  case NVPTXISD::Suld2DArrayV2I16Trap:
3148  Opc = NVPTX::SULD_2D_ARRAY_V2I16_TRAP;
3149  break;
3150  case NVPTXISD::Suld2DArrayV2I32Trap:
3151  Opc = NVPTX::SULD_2D_ARRAY_V2I32_TRAP;
3152  break;
3153  case NVPTXISD::Suld2DArrayV2I64Trap:
3154  Opc = NVPTX::SULD_2D_ARRAY_V2I64_TRAP;
3155  break;
3156  case NVPTXISD::Suld2DArrayV4I8Trap:
3157  Opc = NVPTX::SULD_2D_ARRAY_V4I8_TRAP;
3158  break;
3159  case NVPTXISD::Suld2DArrayV4I16Trap:
3160  Opc = NVPTX::SULD_2D_ARRAY_V4I16_TRAP;
3161  break;
3162  case NVPTXISD::Suld2DArrayV4I32Trap:
3163  Opc = NVPTX::SULD_2D_ARRAY_V4I32_TRAP;
3164  break;
3165  case NVPTXISD::Suld3DI8Trap:
3166  Opc = NVPTX::SULD_3D_I8_TRAP;
3167  break;
3168  case NVPTXISD::Suld3DI16Trap:
3169  Opc = NVPTX::SULD_3D_I16_TRAP;
3170  break;
3171  case NVPTXISD::Suld3DI32Trap:
3172  Opc = NVPTX::SULD_3D_I32_TRAP;
3173  break;
3174  case NVPTXISD::Suld3DI64Trap:
3175  Opc = NVPTX::SULD_3D_I64_TRAP;
3176  break;
3177  case NVPTXISD::Suld3DV2I8Trap:
3178  Opc = NVPTX::SULD_3D_V2I8_TRAP;
3179  break;
3180  case NVPTXISD::Suld3DV2I16Trap:
3181  Opc = NVPTX::SULD_3D_V2I16_TRAP;
3182  break;
3183  case NVPTXISD::Suld3DV2I32Trap:
3184  Opc = NVPTX::SULD_3D_V2I32_TRAP;
3185  break;
3186  case NVPTXISD::Suld3DV2I64Trap:
3187  Opc = NVPTX::SULD_3D_V2I64_TRAP;
3188  break;
3189  case NVPTXISD::Suld3DV4I8Trap:
3190  Opc = NVPTX::SULD_3D_V4I8_TRAP;
3191  break;
3192  case NVPTXISD::Suld3DV4I16Trap:
3193  Opc = NVPTX::SULD_3D_V4I16_TRAP;
3194  break;
3195  case NVPTXISD::Suld3DV4I32Trap:
3196  Opc = NVPTX::SULD_3D_V4I32_TRAP;
3197  break;
3198  case NVPTXISD::Suld1DI8Zero:
3199  Opc = NVPTX::SULD_1D_I8_ZERO;
3200  break;
3201  case NVPTXISD::Suld1DI16Zero:
3202  Opc = NVPTX::SULD_1D_I16_ZERO;
3203  break;
3204  case NVPTXISD::Suld1DI32Zero:
3205  Opc = NVPTX::SULD_1D_I32_ZERO;
3206  break;
3207  case NVPTXISD::Suld1DI64Zero:
3208  Opc = NVPTX::SULD_1D_I64_ZERO;
3209  break;
3210  case NVPTXISD::Suld1DV2I8Zero:
3211  Opc = NVPTX::SULD_1D_V2I8_ZERO;
3212  break;
3213  case NVPTXISD::Suld1DV2I16Zero:
3214  Opc = NVPTX::SULD_1D_V2I16_ZERO;
3215  break;
3216  case NVPTXISD::Suld1DV2I32Zero:
3217  Opc = NVPTX::SULD_1D_V2I32_ZERO;
3218  break;
3219  case NVPTXISD::Suld1DV2I64Zero:
3220  Opc = NVPTX::SULD_1D_V2I64_ZERO;
3221  break;
3222  case NVPTXISD::Suld1DV4I8Zero:
3223  Opc = NVPTX::SULD_1D_V4I8_ZERO;
3224  break;
3225  case NVPTXISD::Suld1DV4I16Zero:
3226  Opc = NVPTX::SULD_1D_V4I16_ZERO;
3227  break;
3228  case NVPTXISD::Suld1DV4I32Zero:
3229  Opc = NVPTX::SULD_1D_V4I32_ZERO;
3230  break;
3231  case NVPTXISD::Suld1DArrayI8Zero:
3232  Opc = NVPTX::SULD_1D_ARRAY_I8_ZERO;
3233  break;
3234  case NVPTXISD::Suld1DArrayI16Zero:
3235  Opc = NVPTX::SULD_1D_ARRAY_I16_ZERO;
3236  break;
3237  case NVPTXISD::Suld1DArrayI32Zero:
3238  Opc = NVPTX::SULD_1D_ARRAY_I32_ZERO;
3239  break;
3240  case NVPTXISD::Suld1DArrayI64Zero:
3241  Opc = NVPTX::SULD_1D_ARRAY_I64_ZERO;
3242  break;
3243  case NVPTXISD::Suld1DArrayV2I8Zero:
3244  Opc = NVPTX::SULD_1D_ARRAY_V2I8_ZERO;
3245  break;
3246  case NVPTXISD::Suld1DArrayV2I16Zero:
3247  Opc = NVPTX::SULD_1D_ARRAY_V2I16_ZERO;
3248  break;
3249  case NVPTXISD::Suld1DArrayV2I32Zero:
3250  Opc = NVPTX::SULD_1D_ARRAY_V2I32_ZERO;
3251  break;
3252  case NVPTXISD::Suld1DArrayV2I64Zero:
3253  Opc = NVPTX::SULD_1D_ARRAY_V2I64_ZERO;
3254  break;
3255  case NVPTXISD::Suld1DArrayV4I8Zero:
3256  Opc = NVPTX::SULD_1D_ARRAY_V4I8_ZERO;
3257  break;
3258  case NVPTXISD::Suld1DArrayV4I16Zero:
3259  Opc = NVPTX::SULD_1D_ARRAY_V4I16_ZERO;
3260  break;
3261  case NVPTXISD::Suld1DArrayV4I32Zero:
3262  Opc = NVPTX::SULD_1D_ARRAY_V4I32_ZERO;
3263  break;
3264  case NVPTXISD::Suld2DI8Zero:
3265  Opc = NVPTX::SULD_2D_I8_ZERO;
3266  break;
3267  case NVPTXISD::Suld2DI16Zero:
3268  Opc = NVPTX::SULD_2D_I16_ZERO;
3269  break;
3270  case NVPTXISD::Suld2DI32Zero:
3271  Opc = NVPTX::SULD_2D_I32_ZERO;
3272  break;
3273  case NVPTXISD::Suld2DI64Zero:
3274  Opc = NVPTX::SULD_2D_I64_ZERO;
3275  break;
3276  case NVPTXISD::Suld2DV2I8Zero:
3277  Opc = NVPTX::SULD_2D_V2I8_ZERO;
3278  break;
3279  case NVPTXISD::Suld2DV2I16Zero:
3280  Opc = NVPTX::SULD_2D_V2I16_ZERO;
3281  break;
3282  case NVPTXISD::Suld2DV2I32Zero:
3283  Opc = NVPTX::SULD_2D_V2I32_ZERO;
3284  break;
3285  case NVPTXISD::Suld2DV2I64Zero:
3286  Opc = NVPTX::SULD_2D_V2I64_ZERO;
3287  break;
3288  case NVPTXISD::Suld2DV4I8Zero:
3289  Opc = NVPTX::SULD_2D_V4I8_ZERO;
3290  break;
3291  case NVPTXISD::Suld2DV4I16Zero:
3292  Opc = NVPTX::SULD_2D_V4I16_ZERO;
3293  break;
3294  case NVPTXISD::Suld2DV4I32Zero:
3295  Opc = NVPTX::SULD_2D_V4I32_ZERO;
3296  break;
3297  case NVPTXISD::Suld2DArrayI8Zero:
3298  Opc = NVPTX::SULD_2D_ARRAY_I8_ZERO;
3299  break;
3300  case NVPTXISD::Suld2DArrayI16Zero:
3301  Opc = NVPTX::SULD_2D_ARRAY_I16_ZERO;
3302  break;
3303  case NVPTXISD::Suld2DArrayI32Zero:
3304  Opc = NVPTX::SULD_2D_ARRAY_I32_ZERO;
3305  break;
3306  case NVPTXISD::Suld2DArrayI64Zero:
3307  Opc = NVPTX::SULD_2D_ARRAY_I64_ZERO;
3308  break;
3309  case NVPTXISD::Suld2DArrayV2I8Zero:
3310  Opc = NVPTX::SULD_2D_ARRAY_V2I8_ZERO;
3311  break;
3312  case NVPTXISD::Suld2DArrayV2I16Zero:
3313  Opc = NVPTX::SULD_2D_ARRAY_V2I16_ZERO;
3314  break;
3315  case NVPTXISD::Suld2DArrayV2I32Zero:
3316  Opc = NVPTX::SULD_2D_ARRAY_V2I32_ZERO;
3317  break;
3318  case NVPTXISD::Suld2DArrayV2I64Zero:
3319  Opc = NVPTX::SULD_2D_ARRAY_V2I64_ZERO;
3320  break;
3321  case NVPTXISD::Suld2DArrayV4I8Zero:
3322  Opc = NVPTX::SULD_2D_ARRAY_V4I8_ZERO;
3323  break;
3324  case NVPTXISD::Suld2DArrayV4I16Zero:
3325  Opc = NVPTX::SULD_2D_ARRAY_V4I16_ZERO;
3326  break;
3327  case NVPTXISD::Suld2DArrayV4I32Zero:
3328  Opc = NVPTX::SULD_2D_ARRAY_V4I32_ZERO;
3329  break;
3330  case NVPTXISD::Suld3DI8Zero:
3331  Opc = NVPTX::SULD_3D_I8_ZERO;
3332  break;
3333  case NVPTXISD::Suld3DI16Zero:
3334  Opc = NVPTX::SULD_3D_I16_ZERO;
3335  break;
3336  case NVPTXISD::Suld3DI32Zero:
3337  Opc = NVPTX::SULD_3D_I32_ZERO;
3338  break;
3339  case NVPTXISD::Suld3DI64Zero:
3340  Opc = NVPTX::SULD_3D_I64_ZERO;
3341  break;
3342  case NVPTXISD::Suld3DV2I8Zero:
3343  Opc = NVPTX::SULD_3D_V2I8_ZERO;
3344  break;
3345  case NVPTXISD::Suld3DV2I16Zero:
3346  Opc = NVPTX::SULD_3D_V2I16_ZERO;
3347  break;
3348  case NVPTXISD::Suld3DV2I32Zero:
3349  Opc = NVPTX::SULD_3D_V2I32_ZERO;
3350  break;
3351  case NVPTXISD::Suld3DV2I64Zero:
3352  Opc = NVPTX::SULD_3D_V2I64_ZERO;
3353  break;
3354  case NVPTXISD::Suld3DV4I8Zero:
3355  Opc = NVPTX::SULD_3D_V4I8_ZERO;
3356  break;
3357  case NVPTXISD::Suld3DV4I16Zero:
3358  Opc = NVPTX::SULD_3D_V4I16_ZERO;
3359  break;
3360  case NVPTXISD::Suld3DV4I32Zero:
3361  Opc = NVPTX::SULD_3D_V4I32_ZERO;
3362  break;
3363  }
3364 
3365  // Copy over operands
3366  SmallVector<SDValue, 8> Ops(N->op_begin() + 1, N->op_end());
3367  Ops.push_back(N->getOperand(0)); // Move chain to the back.
3368 
3369  ReplaceNode(N, CurDAG->getMachineNode(Opc, SDLoc(N), N->getVTList(), Ops));
3370  return true;
3371 }
3372 
3373 
3374 /// SelectBFE - Look for instruction sequences that can be made more efficient
3375 /// by using the 'bfe' (bit-field extract) PTX instruction
3376 bool NVPTXDAGToDAGISel::tryBFE(SDNode *N) {
3377  SDLoc DL(N);
3378  SDValue LHS = N->getOperand(0);
3379  SDValue RHS = N->getOperand(1);
3380  SDValue Len;
3381  SDValue Start;
3382  SDValue Val;
3383  bool IsSigned = false;
3384 
3385  if (N->getOpcode() == ISD::AND) {
3386  // Canonicalize the operands
3387  // We want 'and %val, %mask'
3388  if (isa<ConstantSDNode>(LHS) && !isa<ConstantSDNode>(RHS)) {
3389  std::swap(LHS, RHS);
3390  }
3391 
3392  ConstantSDNode *Mask = dyn_cast<ConstantSDNode>(RHS);
3393  if (!Mask) {
3394  // We need a constant mask on the RHS of the AND
3395  return false;
3396  }
3397 
3398  // Extract the mask bits
3399  uint64_t MaskVal = Mask->getZExtValue();
3400  if (!isMask_64(MaskVal)) {
3401  // We *could* handle shifted masks here, but doing so would require an
3402  // 'and' operation to fix up the low-order bits so we would trade
3403  // shr+and for bfe+and, which has the same throughput
3404  return false;
3405  }
3406 
3407  // How many bits are in our mask?
3408  uint64_t NumBits = countTrailingOnes(MaskVal);
3409  Len = CurDAG->getTargetConstant(NumBits, DL, MVT::i32);
3410 
3411  if (LHS.getOpcode() == ISD::SRL || LHS.getOpcode() == ISD::SRA) {
3412  // We have a 'srl/and' pair, extract the effective start bit and length
3413  Val = LHS.getNode()->getOperand(0);
3414  Start = LHS.getNode()->getOperand(1);
3415  ConstantSDNode *StartConst = dyn_cast<ConstantSDNode>(Start);
3416  if (StartConst) {
3417  uint64_t StartVal = StartConst->getZExtValue();
3418  // How many "good" bits do we have left? "good" is defined here as bits
3419  // that exist in the original value, not shifted in.
3420  uint64_t GoodBits = Start.getValueSizeInBits() - StartVal;
3421  if (NumBits > GoodBits) {
3422  // Do not handle the case where bits have been shifted in. In theory
3423  // we could handle this, but the cost is likely higher than just
3424  // emitting the srl/and pair.
3425  return false;
3426  }
3427  Start = CurDAG->getTargetConstant(StartVal, DL, MVT::i32);
3428  } else {
3429  // Do not handle the case where the shift amount (can be zero if no srl
3430  // was found) is not constant. We could handle this case, but it would
3431  // require run-time logic that would be more expensive than just
3432  // emitting the srl/and pair.
3433  return false;
3434  }
3435  } else {
3436  // Do not handle the case where the LHS of the and is not a shift. While
3437  // it would be trivial to handle this case, it would just transform
3438  // 'and' -> 'bfe', but 'and' has higher-throughput.
3439  return false;
3440  }
3441  } else if (N->getOpcode() == ISD::SRL || N->getOpcode() == ISD::SRA) {
3442  if (LHS->getOpcode() == ISD::AND) {
3443  ConstantSDNode *ShiftCnst = dyn_cast<ConstantSDNode>(RHS);
3444  if (!ShiftCnst) {
3445  // Shift amount must be constant
3446  return false;
3447  }
3448 
3449  uint64_t ShiftAmt = ShiftCnst->getZExtValue();
3450 
3451  SDValue AndLHS = LHS->getOperand(0);
3452  SDValue AndRHS = LHS->getOperand(1);
3453 
3454  // Canonicalize the AND to have the mask on the RHS
3455  if (isa<ConstantSDNode>(AndLHS)) {
3456  std::swap(AndLHS, AndRHS);
3457  }
3458 
3459  ConstantSDNode *MaskCnst = dyn_cast<ConstantSDNode>(AndRHS);
3460  if (!MaskCnst) {
3461  // Mask must be constant
3462  return false;
3463  }
3464 
3465  uint64_t MaskVal = MaskCnst->getZExtValue();
3466  uint64_t NumZeros;
3467  uint64_t NumBits;
3468  if (isMask_64(MaskVal)) {
3469  NumZeros = 0;
3470  // The number of bits in the result bitfield will be the number of
3471  // trailing ones (the AND) minus the number of bits we shift off
3472  NumBits = countTrailingOnes(MaskVal) - ShiftAmt;
3473  } else if (isShiftedMask_64(MaskVal)) {
3474  NumZeros = countTrailingZeros(MaskVal);
3475  unsigned NumOnes = countTrailingOnes(MaskVal >> NumZeros);
3476  // The number of bits in the result bitfield will be the number of
3477  // trailing zeros plus the number of set bits in the mask minus the
3478  // number of bits we shift off
3479  NumBits = NumZeros + NumOnes - ShiftAmt;
3480  } else {
3481  // This is not a mask we can handle
3482  return false;
3483  }
3484 
3485  if (ShiftAmt < NumZeros) {
3486  // Handling this case would require extra logic that would make this
3487  // transformation non-profitable
3488  return false;
3489  }
3490 
3491  Val = AndLHS;
3492  Start = CurDAG->getTargetConstant(ShiftAmt, DL, MVT::i32);
3493  Len = CurDAG->getTargetConstant(NumBits, DL, MVT::i32);
3494  } else if (LHS->getOpcode() == ISD::SHL) {
3495  // Here, we have a pattern like:
3496  //
3497  // (sra (shl val, NN), MM)
3498  // or
3499  // (srl (shl val, NN), MM)
3500  //
3501  // If MM >= NN, we can efficiently optimize this with bfe
3502  Val = LHS->getOperand(0);
3503 
3504  SDValue ShlRHS = LHS->getOperand(1);
3505  ConstantSDNode *ShlCnst = dyn_cast<ConstantSDNode>(ShlRHS);
3506  if (!ShlCnst) {
3507  // Shift amount must be constant
3508  return false;
3509  }
3510  uint64_t InnerShiftAmt = ShlCnst->getZExtValue();
3511 
3512  SDValue ShrRHS = RHS;
3513  ConstantSDNode *ShrCnst = dyn_cast<ConstantSDNode>(ShrRHS);
3514  if (!ShrCnst) {
3515  // Shift amount must be constant
3516  return false;
3517  }
3518  uint64_t OuterShiftAmt = ShrCnst->getZExtValue();
3519 
3520  // To avoid extra codegen and be profitable, we need Outer >= Inner
3521  if (OuterShiftAmt < InnerShiftAmt) {
3522  return false;
3523  }
3524 
3525  // If the outer shift is more than the type size, we have no bitfield to
3526  // extract (since we also check that the inner shift is <= the outer shift
3527  // then this also implies that the inner shift is < the type size)
3528  if (OuterShiftAmt >= Val.getValueSizeInBits()) {
3529  return false;
3530  }
3531 
3532  Start = CurDAG->getTargetConstant(OuterShiftAmt - InnerShiftAmt, DL,
3533  MVT::i32);
3534  Len = CurDAG->getTargetConstant(Val.getValueSizeInBits() - OuterShiftAmt,
3535  DL, MVT::i32);
3536 
3537  if (N->getOpcode() == ISD::SRA) {
3538  // If we have a arithmetic right shift, we need to use the signed bfe
3539  // variant
3540  IsSigned = true;
3541  }
3542  } else {
3543  // No can do...
3544  return false;
3545  }
3546  } else {
3547  // No can do...
3548  return false;
3549  }
3550 
3551 
3552  unsigned Opc;
3553  // For the BFE operations we form here from "and" and "srl", always use the
3554  // unsigned variants.
3555  if (Val.getValueType() == MVT::i32) {
3556  if (IsSigned) {
3557  Opc = NVPTX::BFE_S32rii;
3558  } else {
3559  Opc = NVPTX::BFE_U32rii;
3560  }
3561  } else if (Val.getValueType() == MVT::i64) {
3562  if (IsSigned) {
3563  Opc = NVPTX::BFE_S64rii;
3564  } else {
3565  Opc = NVPTX::BFE_U64rii;
3566  }
3567  } else {
3568  // We cannot handle this type
3569  return false;
3570  }
3571 
3572  SDValue Ops[] = {
3573  Val, Start, Len
3574  };
3575 
3576  ReplaceNode(N, CurDAG->getMachineNode(Opc, DL, N->getVTList(), Ops));
3577  return true;
3578 }
3579 
3580 // SelectDirectAddr - Match a direct address for DAG.
3581 // A direct address could be a globaladdress or externalsymbol.
3582 bool NVPTXDAGToDAGISel::SelectDirectAddr(SDValue N, SDValue &Address) {
3583  // Return true if TGA or ES.
3584  if (N.getOpcode() == ISD::TargetGlobalAddress ||
3585  N.getOpcode() == ISD::TargetExternalSymbol) {
3586  Address = N;
3587  return true;
3588  }
3589  if (N.getOpcode() == NVPTXISD::Wrapper) {
3590  Address = N.getOperand(0);
3591  return true;
3592  }
3593  // addrspacecast(MoveParam(arg_symbol) to addrspace(PARAM)) -> arg_symbol
3594  if (AddrSpaceCastSDNode *CastN = dyn_cast<AddrSpaceCastSDNode>(N)) {
3595  if (CastN->getSrcAddressSpace() == ADDRESS_SPACE_GENERIC &&
3596  CastN->getDestAddressSpace() == ADDRESS_SPACE_PARAM &&
3597  CastN->getOperand(0).getOpcode() == NVPTXISD::MoveParam)
3598  return SelectDirectAddr(CastN->getOperand(0).getOperand(0), Address);
3599  }
3600  return false;
3601 }
3602 
3603 // symbol+offset
3604 bool NVPTXDAGToDAGISel::SelectADDRsi_imp(
3605  SDNode *OpNode, SDValue Addr, SDValue &Base, SDValue &Offset, MVT mvt) {
3606  if (Addr.getOpcode() == ISD::ADD) {
3607  if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) {
3608  SDValue base = Addr.getOperand(0);
3609  if (SelectDirectAddr(base, Base)) {
3610  Offset = CurDAG->getTargetConstant(CN->getZExtValue(), SDLoc(OpNode),
3611  mvt);
3612  return true;
3613  }
3614  }
3615  }
3616  return false;
3617 }
3618 
3619 // symbol+offset
3620 bool NVPTXDAGToDAGISel::SelectADDRsi(SDNode *OpNode, SDValue Addr,
3621  SDValue &Base, SDValue &Offset) {
3622  return SelectADDRsi_imp(OpNode, Addr, Base, Offset, MVT::i32);
3623 }
3624 
3625 // symbol+offset
3626 bool NVPTXDAGToDAGISel::SelectADDRsi64(SDNode *OpNode, SDValue Addr,
3627  SDValue &Base, SDValue &Offset) {
3628  return SelectADDRsi_imp(OpNode, Addr, Base, Offset, MVT::i64);
3629 }
3630 
3631 // register+offset
3632 bool NVPTXDAGToDAGISel::SelectADDRri_imp(
3633  SDNode *OpNode, SDValue Addr, SDValue &Base, SDValue &Offset, MVT mvt) {
3634  if (FrameIndexSDNode *FIN = dyn_cast<FrameIndexSDNode>(Addr)) {
3635  Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), mvt);
3636  Offset = CurDAG->getTargetConstant(0, SDLoc(OpNode), mvt);
3637  return true;
3638  }
3639  if (Addr.getOpcode() == ISD::TargetExternalSymbol ||
3640  Addr.getOpcode() == ISD::TargetGlobalAddress)
3641  return false; // direct calls.
3642 
3643  if (Addr.getOpcode() == ISD::ADD) {
3644  if (SelectDirectAddr(Addr.getOperand(0), Addr)) {
3645  return false;
3646  }
3647  if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) {
3648  if (FrameIndexSDNode *FIN =
3649  dyn_cast<FrameIndexSDNode>(Addr.getOperand(0)))
3650  // Constant offset from frame ref.
3651  Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), mvt);
3652  else
3653  Base = Addr.getOperand(0);
3654  Offset = CurDAG->getTargetConstant(CN->getZExtValue(), SDLoc(OpNode),
3655  mvt);
3656  return true;
3657  }
3658  }
3659  return false;
3660 }
3661 
3662 // register+offset
3663 bool NVPTXDAGToDAGISel::SelectADDRri(SDNode *OpNode, SDValue Addr,
3664  SDValue &Base, SDValue &Offset) {
3665  return SelectADDRri_imp(OpNode, Addr, Base, Offset, MVT::i32);
3666 }
3667 
3668 // register+offset
3669 bool NVPTXDAGToDAGISel::SelectADDRri64(SDNode *OpNode, SDValue Addr,
3670  SDValue &Base, SDValue &Offset) {
3671  return SelectADDRri_imp(OpNode, Addr, Base, Offset, MVT::i64);
3672 }
3673 
3674 bool NVPTXDAGToDAGISel::ChkMemSDNodeAddressSpace(SDNode *N,
3675  unsigned int spN) const {
3676  const Value *Src = nullptr;
3677  if (MemSDNode *mN = dyn_cast<MemSDNode>(N)) {
3678  if (spN == 0 && mN->getMemOperand()->getPseudoValue())
3679  return true;
3680  Src = mN->getMemOperand()->getValue();
3681  }
3682  if (!Src)
3683  return false;
3684  if (auto *PT = dyn_cast<PointerType>(Src->getType()))
3685  return (PT->getAddressSpace() == spN);
3686  return false;
3687 }
3688 
3689 /// SelectInlineAsmMemoryOperand - Implement addressing mode selection for
3690 /// inline asm expressions.
3691 bool NVPTXDAGToDAGISel::SelectInlineAsmMemoryOperand(
3692  const SDValue &Op, unsigned ConstraintID, std::vector<SDValue> &OutOps) {
3693  SDValue Op0, Op1;
3694  switch (ConstraintID) {
3695  default:
3696  return true;
3697  case InlineAsm::Constraint_m: // memory
3698  if (SelectDirectAddr(Op, Op0)) {
3699  OutOps.push_back(Op0);
3700  OutOps.push_back(CurDAG->getTargetConstant(0, SDLoc(Op), MVT::i32));
3701  return false;
3702  }
3703  if (SelectADDRri(Op.getNode(), Op, Op0, Op1)) {
3704  OutOps.push_back(Op0);
3705  OutOps.push_back(Op1);
3706  return false;
3707  }
3708  break;
3709  }
3710  return true;
3711 }
3712 
3713 /// GetConvertOpcode - Returns the CVT_ instruction opcode that implements a
3714 /// conversion from \p SrcTy to \p DestTy.
3715 unsigned NVPTXDAGToDAGISel::GetConvertOpcode(MVT DestTy, MVT SrcTy,
3716  bool IsSigned) {
3717  switch (SrcTy.SimpleTy) {
3718  default:
3719  llvm_unreachable("Unhandled source type");
3720  case MVT::i8:
3721  switch (DestTy.SimpleTy) {
3722  default:
3723  llvm_unreachable("Unhandled dest type");
3724  case MVT::i16:
3725  return IsSigned ? NVPTX::CVT_s16_s8 : NVPTX::CVT_u16_u8;
3726  case MVT::i32:
3727  return IsSigned ? NVPTX::CVT_s32_s8 : NVPTX::CVT_u32_u8;
3728  case MVT::i64:
3729  return IsSigned ? NVPTX::CVT_s64_s8 : NVPTX::CVT_u64_u8;
3730  }
3731  case MVT::i16:
3732  switch (DestTy.SimpleTy) {
3733  default:
3734  llvm_unreachable("Unhandled dest type");
3735  case MVT::i8:
3736  return IsSigned ? NVPTX::CVT_s8_s16 : NVPTX::CVT_u8_u16;
3737  case MVT::i32:
3738  return IsSigned ? NVPTX::CVT_s32_s16 : NVPTX::CVT_u32_u16;
3739  case MVT::i64:
3740  return IsSigned ? NVPTX::CVT_s64_s16 : NVPTX::CVT_u64_u16;
3741  }
3742  case MVT::i32:
3743  switch (DestTy.SimpleTy) {
3744  default:
3745  llvm_unreachable("Unhandled dest type");
3746  case MVT::i8:
3747  return IsSigned ? NVPTX::CVT_s8_s32 : NVPTX::CVT_u8_u32;
3748  case MVT::i16:
3749  return IsSigned ? NVPTX::CVT_s16_s32 : NVPTX::CVT_u16_u32;
3750  case MVT::i64:
3751  return IsSigned ? NVPTX::CVT_s64_s32 : NVPTX::CVT_u64_u32;
3752  }
3753  case MVT::i64:
3754  switch (DestTy.SimpleTy) {
3755  default:
3756  llvm_unreachable("Unhandled dest type");
3757  case MVT::i8:
3758  return IsSigned ? NVPTX::CVT_s8_s64 : NVPTX::CVT_u8_u64;
3759  case MVT::i16:
3760  return IsSigned ? NVPTX::CVT_s16_s64 : NVPTX::CVT_u16_u64;
3761  case MVT::i32:
3762  return IsSigned ? NVPTX::CVT_s32_s64 : NVPTX::CVT_u32_u64;
3763  }
3764  }
3765 }
llvm::ISD::BITCAST
BITCAST - This operator converts between integer, vector and FP values, as if the value was stored to...
Definition: ISDOpcodes.h:571
llvm::MemSDNode::isInvariant
bool isInvariant() const
Definition: SelectionDAGNodes.h:1290
llvm::SDValue::getValueType
EVT getValueType() const
Return the ValueType of the referenced return value.
Definition: SelectionDAGNodes.h:1115
llvm::max
GCNRegPressure max(const GCNRegPressure &P1, const GCNRegPressure &P2)
Definition: GCNRegPressure.h:89
llvm::SDNode::getOpcode
unsigned getOpcode() const
Return the SelectionDAG opcode value for this node.
Definition: SelectionDAGNodes.h:625
AtomicOrdering.h
Atomic ordering constants.
llvm::report_fatal_error
LLVM_ATTRIBUTE_NORETURN void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
Definition: Error.cpp:140
llvm
This class represents lattice values for constants.
Definition: AllocatorList.h:24
llvm::AMDGPU::HSAMD::Kernel::Arg::Key::IsVolatile
constexpr char IsVolatile[]
Key for Kernel::Arg::Metadata::mIsVolatile.
Definition: AMDGPUMetadata.h:179
llvm::ARM_MB::ST
Definition: ARMBaseInfo.h:74
llvm::SelectionDAGISel::ReplaceUses
void ReplaceUses(SDValue F, SDValue T)
ReplaceUses - replace all uses of the old node F with the use of the new node T.
Definition: SelectionDAGISel.h:206
llvm::MVT::isVector
bool isVector() const
Return true if this is a vector value type.
Definition: MachineValueType.h:315
llvm::SDNode::getValueType
EVT getValueType(unsigned ResNo) const
Return the type of a specified result.
Definition: SelectionDAGNodes.h:967
pickOpcodeForVT
static Optional< unsigned > pickOpcodeForVT(MVT::SimpleValueType VT, unsigned Opcode_i8, unsigned Opcode_i16, unsigned Opcode_i32, Optional< unsigned > Opcode_i64, unsigned Opcode_f16, unsigned Opcode_f16x2, unsigned Opcode_f32, Optional< unsigned > Opcode_f64)
Definition: NVPTXISelDAGToDAG.cpp:811
llvm::SDNode::getVTList
SDVTList getVTList() const
Definition: SelectionDAGNodes.h:932
llvm::EVT::getSimpleVT
MVT getSimpleVT() const
Return the SimpleValueType held in the specified simple EVT.
Definition: ValueTypes.h:253
llvm::MemSDNode::getChain
const SDValue & getChain() const
Definition: SelectionDAGNodes.h:1333
llvm::NVPTXTargetLowering::useF32FTZ
bool useF32FTZ(const MachineFunction &MF) const
Definition: NVPTXISelLowering.cpp:119
getCodeAddrSpace
static unsigned int getCodeAddrSpace(MemSDNode *N)
Definition: NVPTXISelDAGToDAG.cpp:655
llvm::ISD::TargetGlobalAddress
TargetGlobalAddress - Like GlobalAddress, but the DAG does no folding or anything else with this node...
Definition: ISDOpcodes.h:131
llvm::all_of
bool all_of(R &&range, UnaryPredicate P)
Provide wrappers to std::all_of which take ranges instead of having to pass begin/end explicitly...
Definition: STLExtras.h:1186
llvm::DataLayout::getPointerSizeInBits
unsigned getPointerSizeInBits(unsigned AS=0) const
Layout pointer size, in bits FIXME: The defaults need to be removed once all of the backends/clients ...
Definition: DataLayout.h:363
getPTXCmpMode
static unsigned getPTXCmpMode(const CondCodeSDNode &CondCode, bool FTZ)
Definition: NVPTXISelDAGToDAG.cpp:536
llvm::SDNode::getSimpleValueType
MVT getSimpleValueType(unsigned ResNo) const
Return the type of a specified result as a simple type.
Definition: SelectionDAGNodes.h:973
F
F(f)
llvm::SDNode::setNodeId
void setNodeId(int Id)
Set unique node id.
Definition: SelectionDAGNodes.h:718
llvm::SDValue::getNode
SDNode * getNode() const
get the SDNode which holds the desired result
Definition: SelectionDAGNodes.h:138
llvm::MemSDNode::getMemOperand
MachineMemOperand * getMemOperand() const
Return a MachineMemOperand object describing the memory reference performed by operation.
Definition: SelectionDAGNodes.h:1314
llvm::NVPTXDAGToDAGISel::Subtarget
const NVPTXSubtarget * Subtarget
Definition: NVPTXISelDAGToDAG.h:49
llvm::SDValue::getValueSizeInBits
unsigned getValueSizeInBits() const
Returns the size of the value in bits.
Definition: SelectionDAGNodes.h:174
llvm::SelectionDAGISel::MF
MachineFunction * MF
Definition: SelectionDAGISel.h:49
llvm::ISD::INTRINSIC_W_CHAIN
RESULT,OUTCHAIN = INTRINSIC_W_CHAIN(INCHAIN, INTRINSICID, arg1, ...) This node represents a target in...
Definition: ISDOpcodes.h:159
llvm::MemSDNode::getAddressSpace
unsigned getAddressSpace() const
Return the address space for the associated pointer.
Definition: SelectionDAGNodes.h:1321
llvm::NVPTXDAGToDAGISel::NVPTXDAGToDAGISel
NVPTXDAGToDAGISel(NVPTXTargetMachine &tm, CodeGenOpt::Level OptLevel)
Definition: NVPTXISelDAGToDAG.cpp:37
llvm::MachineMemOperand
A description of a memory reference used in the backend.
Definition: MachineMemOperand.h:129
Wrapper
amdgpu aa AMDGPU Address space based Alias Analysis Wrapper
Definition: AMDGPUAliasAnalysis.cpp:42
llvm::ISD::SHL
Shift and rotation operations.
Definition: ISDOpcodes.h:410
llvm::countTrailingOnes
std::size_t countTrailingOnes(T Value, ZeroBehavior ZB=ZB_Width)
Count the number of ones from the least significant bit to the first zero bit.
Definition: MathExtras.h:478
llvm::SelectionDAG::getMachineNode
MachineSDNode * getMachineNode(unsigned Opcode, const SDLoc &dl, EVT VT)
These are used for target selectors to create a new node with specified return type(s), MachineInstr opcode, and operands.
Definition: SelectionDAG.cpp:7704
llvm::SDNode::op_end
op_iterator op_end() const
Definition: SelectionDAGNodes.h:912
llvm::LoadSDNode::getExtensionType
ISD::LoadExtType getExtensionType() const
Return whether this is a plain node, or one of the varieties of value-extending loads.
Definition: SelectionDAGNodes.h:2092
llvm::MVT::SimpleTy
SimpleValueType SimpleTy
Definition: MachineValueType.h:239
llvm::SelectionDAG::getDataLayout
const DataLayout & getDataLayout() const
Definition: SelectionDAG.h:401
llvm::SelectionDAG::getVTList
SDVTList getVTList(EVT VT)
Return an SDVTList that represents the list of values specified.
Definition: SelectionDAG.cpp:7239
llvm::AtomicSDNode
This is an SDNode representing atomic operations.
Definition: SelectionDAGNodes.h:1371
llvm::MemSDNode::getOrdering
AtomicOrdering getOrdering() const
Return the atomic ordering requirements for this memory operation.
Definition: SelectionDAGNodes.h:1307
llvm::SDVTList
This represents a list of ValueType&#39;s that has been intern&#39;d by a SelectionDAG.
Definition: SelectionDAGNodes.h:78
llvm::AtomicOrdering
AtomicOrdering
Atomic ordering for LLVM&#39;s memory model.
Definition: AtomicOrdering.h:57
llvm::MVT::getSizeInBits
unsigned getSizeInBits() const
Definition: MachineValueType.h:624
llvm::SelectionDAGISel::runOnMachineFunction
bool runOnMachineFunction(MachineFunction &MF) override
runOnMachineFunction - This method must be overloaded to perform the desired machine code transformat...
Definition: SelectionDAGISel.cpp:382
llvm::isKernelFunction
bool isKernelFunction(const Function &F)
Definition: NVPTXUtilities.cpp:273
llvm::MemSDNode::writeMem
bool writeMem() const
Definition: SelectionDAGNodes.h:1258
llvm::Value::getType
Type * getType() const
All values are typed, get the type of this value.
Definition: Value.h:245
MemRef
Definition: Lint.cpp:84
llvm::isMask_64
constexpr bool isMask_64(uint64_t Value)
Return true if the argument is a non-empty sequence of ones starting at the least significant bit wit...
Definition: MathExtras.h:411
llvm::SelectionDAG::getTargetFrameIndex
SDValue getTargetFrameIndex(int FI, EVT VT)
Definition: SelectionDAG.h:628
llvm::Optional::getValue
const T & getValue() const LLVM_LVALUE_FUNCTION
Definition: Optional.h:161
llvm::ISD::ADD
Simple integer binary arithmetic operators.
Definition: ISDOpcodes.h:201
llvm::ISD::CondCode
CondCode
ISD::CondCode enum - These are ordered carefully to make the bitfields below work out...
Definition: ISDOpcodes.h:959
llvm::SDNode::op_begin
op_iterator op_begin() const
Definition: SelectionDAGNodes.h:911
llvm::NVPTXDAGToDAGISel::SelectInlineAsmMemoryOperand
bool SelectInlineAsmMemoryOperand(const SDValue &Op, unsigned ConstraintID, std::vector< SDValue > &OutOps) override
SelectInlineAsmMemoryOperand - Implement addressing mode selection for inline asm expressions...
Definition: NVPTXISelDAGToDAG.cpp:3691
EQ
#define EQ(a, b)
Definition: regexec.c:112
llvm::SelectionDAG::getTargetConstant
SDValue getTargetConstant(uint64_t Val, const SDLoc &DL, EVT VT, bool isOpaque=false)
Definition: SelectionDAG.h:576
llvm::isStrongerThanMonotonic
bool isStrongerThanMonotonic(AtomicOrdering ao)
Definition: AtomicOrdering.h:124
llvm::ISD::INTRINSIC_WO_CHAIN
RESULT = INTRINSIC_WO_CHAIN(INTRINSICID, arg1, arg2, ...) This node represents a target intrinsic fun...
Definition: ISDOpcodes.h:151
llvm::SelectionDAG::getTargetConstantFP
SDValue getTargetConstantFP(double Val, const SDLoc &DL, EVT VT)
Definition: SelectionDAG.h:608
llvm::AddrSpaceCastSDNode::getSrcAddressSpace
unsigned getSrcAddressSpace() const
Definition: SelectionDAGNodes.h:1235
llvm::MachineFunction::getDataLayout
const DataLayout & getDataLayout() const
Return the DataLayout attached to the Module associated to this MF.
Definition: MachineFunction.cpp:257
llvm::StoreSDNode
This class is used to represent ISD::STORE nodes.
Definition: SelectionDAGNodes.h:2105
llvm::MCID::Flag
Flag
These should be considered private to the implementation of the MCInstrDesc class.
Definition: MCInstrDesc.h:118
llvm::SDValue::getSimpleValueType
MVT getSimpleValueType() const
Return the simple ValueType of the referenced return value.
Definition: SelectionDAGNodes.h:169
llvm::MachineMemOperand::getValue
const Value * getValue() const
Return the base address of the memory access.
Definition: MachineMemOperand.h:203
llvm::NVPTXTargetLowering::allowFMA
bool allowFMA(MachineFunction &MF, CodeGenOpt::Level OptLevel) const
Definition: NVPTXISelLowering.cpp:4039
llvm::SelectionDAGISel::OptLevel
CodeGenOpt::Level OptLevel
Definition: SelectionDAGISel.h:55
llvm::countTrailingZeros
std::size_t countTrailingZeros(T Val, ZeroBehavior ZB=ZB_Width)
Count number of 0&#39;s from the least significant bit to the most stopping at the first 1...
Definition: MathExtras.h:120
llvm::MVT
Machine Value Type.
Definition: MachineValueType.h:30
llvm::MachineFunction::getSubtarget
const TargetSubtargetInfo & getSubtarget() const
getSubtarget - Return the subtarget for which this machine code is being compiled.
Definition: MachineFunction.h:446
llvm::EVT::getVectorNumElements
unsigned getVectorNumElements() const
Given a vector type, return the number of elements it contains.
Definition: ValueTypes.h:273
llvm::SDNode::getOperand
const SDValue & getOperand(unsigned Num) const
Definition: SelectionDAGNodes.h:904
llvm::NVPTXSubtarget::getTargetLowering
const NVPTXTargetLowering * getTargetLowering() const override
Definition: NVPTXSubtarget.h:65
llvm::AddrSpaceCastSDNode::getDestAddressSpace
unsigned getDestAddressSpace() const
Definition: SelectionDAGNodes.h:1236
canLowerToLDG
static bool canLowerToLDG(MemSDNode *N, const NVPTXSubtarget &Subtarget, unsigned CodeAddrSpace, MachineFunction *F)
Definition: NVPTXISelDAGToDAG.cpp:675
EVTs
static ManagedStatic< std::set< EVT, EVT::compareRawBits > > EVTs
Definition: SelectionDAG.cpp:8697
llvm::FunctionPass
FunctionPass class - This class is used to implement most global optimizations.
Definition: Pass.h:285
llvm::EVT
Extended Value Type.
Definition: ValueTypes.h:34
llvm::NVPTXTargetLowering::allowUnsafeFPMath
bool allowUnsafeFPMath(MachineFunction &MF) const
Definition: NVPTXISelLowering.cpp:4056
llvm::MemSDNode::isVolatile
bool isVolatile() const
Definition: SelectionDAGNodes.h:1287
llvm::SDNode::isMachineOpcode
bool isMachineOpcode() const
Test if this node has a post-isel opcode, directly corresponding to a MachineInstr opcode...
Definition: SelectionDAGNodes.h:687
llvm::SDNode::getNumOperands
unsigned getNumOperands() const
Return the number of values used by this operation.
Definition: SelectionDAGNodes.h:899
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:136
llvm::MVT::isFloatingPoint
bool isFloatingPoint() const
Return true if this is a FP or a vector FP type.
Definition: MachineValueType.h:293
llvm::ISD::EXTRACT_VECTOR_ELT
EXTRACT_VECTOR_ELT(VECTOR, IDX) - Returns a single element from VECTOR identified by the (potentially...
Definition: ISDOpcodes.h:339
llvm::EVT::getVectorElementType
EVT getVectorElementType() const
Given a vector type, return the type of each element.
Definition: ValueTypes.h:265
llvm::ISD::ADDRSPACECAST
ADDRSPACECAST - This operator converts between pointers of different address spaces.
Definition: ISDOpcodes.h:575
llvm::SmallVector
This is a &#39;vector&#39; (really, a variable-sized array), optimized for the case when the array is small...
Definition: SmallVector.h:847
llvm::MemSDNode
This is an abstract virtual class for memory operations.
Definition: SelectionDAGNodes.h:1244
llvm::SDLoc
Wrapper class for IR location info (IR ordering and DebugLoc) to be passed into SDNode creation funct...
Definition: SelectionDAGNodes.h:1080
llvm::SDNode
Represents one node in the SelectionDAG.
Definition: SelectionDAGNodes.h:482
llvm::SelectionDAGISel
SelectionDAGISel - This is the common base class used for SelectionDAG-based pattern-matching instruc...
Definition: SelectionDAGISel.h:44
llvm::MemSDNode::readMem
bool readMem() const
Definition: SelectionDAGNodes.h:1257
llvm::MachineFunction::getFunction
const Function & getFunction() const
Return the LLVM function that this machine code represents.
Definition: MachineFunction.h:433
llvm::MVT::getScalarType
MVT getScalarType() const
If this is a vector, return the element type, otherwise return this.
Definition: MachineValueType.h:412
std::swap
void swap(llvm::BitVector &LHS, llvm::BitVector &RHS)
Implement std::swap in terms of BitVector swap.
Definition: BitVector.h:941
llvm::NVPTXDAGToDAGISel::runOnMachineFunction
bool runOnMachineFunction(MachineFunction &MF) override
runOnMachineFunction - This method must be overloaded to perform the desired machine code transformat...
Definition: NVPTXISelDAGToDAG.cpp:43
llvm::MemSDNode::getMemoryVT
EVT getMemoryVT() const
Return the type of the in-memory value.
Definition: SelectionDAGNodes.h:1310
llvm::SDNode::uses
iterator_range< use_iterator > uses()
Definition: SelectionDAGNodes.h:797
llvm::NVPTXTargetMachine
NVPTXTargetMachine.
Definition: NVPTXTargetMachine.h:27
llvm::isShiftedMask_64
constexpr bool isShiftedMask_64(uint64_t Value)
Return true if the argument contains a non-empty sequence of ones with the remainder zero (64 bit ver...
Definition: MathExtras.h:423
llvm::EVT::isVector
bool isVector() const
Return true if this is a vector value type.
Definition: ValueTypes.h:151
llvm::createNVPTXISelDag
FunctionPass * createNVPTXISelDag(NVPTXTargetMachine &TM, llvm::CodeGenOpt::Level OptLevel)
createNVPTXISelDag - This pass converts a legalized DAG into a NVPTX-specific DAG, ready for instruction scheduling.
Definition: NVPTXISelDAGToDAG.cpp:32
llvm::ISD::AND
Bitwise operators - logical and, logical or, logical xor.
Definition: ISDOpcodes.h:387
llvm::SmallVectorBase::empty
LLVM_NODISCARD bool empty() const
Definition: SmallVector.h:56
llvm::ISD::LOAD
LOAD and STORE have token chains as their first operand, then the same operands as an LLVM load/store...
Definition: ISDOpcodes.h:614
N
#define N
llvm::CondCodeSDNode::get
ISD::CondCode get() const
Definition: SelectionDAGNodes.h:2017
llvm::dyn_cast
LLVM_NODISCARD std::enable_if<!is_simple_type< Y >::value, typename cast_retty< X, const Y >::ret_type >::type dyn_cast(const Y &Val)
Definition: Casting.h:323
llvm::ARM_MB::LD
Definition: ARMBaseInfo.h:73
llvm::SDValue::getOpcode
unsigned getOpcode() const
Definition: SelectionDAGNodes.h:1111
llvm::GetUnderlyingObjects
void GetUnderlyingObjects(Value *V, SmallVectorImpl< Value *> &Objects, const DataLayout &DL, LoopInfo *LI=nullptr, unsigned MaxLookup=6)
This method is similar to GetUnderlyingObject except that it can look through phi and select instruct...
Definition: ValueTracking.cpp:3720
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::Value
LLVM Value Representation.
Definition: Value.h:73
llvm::BitmaskEnumDetail::Mask
std::underlying_type< E >::type Mask()
Get a bitmask with 1s in all places up to the high-order bit of E&#39;s largest value.
Definition: BitmaskEnum.h:81
llvm::SelectionDAGISel::ReplaceNode
void ReplaceNode(SDNode *F, SDNode *T)
Replace all uses of F with T, then remove F from the DAG.
Definition: SelectionDAGISel.h:227
raw_ostream.h
isVolatile
static bool isVolatile(Instruction *Inst)
Definition: MemoryDependenceAnalysis.cpp:318
llvm::SDValue::getOperand
const SDValue & getOperand(unsigned i) const
Definition: SelectionDAGNodes.h:1123
llvm::ISD::ATOMIC_STORE
OUTCHAIN = ATOMIC_STORE(INCHAIN, ptr, val) This corresponds to "store atomic" instruction.
Definition: ISDOpcodes.h:789
llvm::ConstantSDNode::getZExtValue
uint64_t getZExtValue() const
Definition: SelectionDAGNodes.h:1517
llvm::EVT::isSimple
bool isSimple() const
Test if the given EVT is simple (as opposed to being extended).
Definition: ValueTypes.h:126
llvm::SelectionDAG::setNodeMemRefs
void setNodeMemRefs(MachineSDNode *N, ArrayRef< MachineMemOperand *> NewMemRefs)
Mutate the specified machine node&#39;s memory references to the provided list.
Definition: SelectionDAG.cpp:7445
llvm::SDValue
Unlike LLVM values, Selection DAG nodes may return multiple values as the result of a computation...
Definition: SelectionDAGNodes.h:124
llvm::ISD::ATOMIC_LOAD
Val, OUTCHAIN = ATOMIC_LOAD(INCHAIN, ptr) This corresponds to "load atomic" instruction.
Definition: ISDOpcodes.h:785
llvm::MemSDNode::getBasePtr
const SDValue & getBasePtr() const
Definition: SelectionDAGNodes.h:1334
llvm::LoadSDNode
This class is used to represent ISD::LOAD nodes.
Definition: SelectionDAGNodes.h:2077
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