LLVM  8.0.1
BPFSelectionDAGInfo.h
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1 //===-- BPFSelectionDAGInfo.h - BPF SelectionDAG Info -----------*- C++ -*-===//
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 the BPF subclass for SelectionDAGTargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_BPF_BPFSELECTIONDAGINFO_H
15 #define LLVM_LIB_TARGET_BPF_BPFSELECTIONDAGINFO_H
16 
18 
19 namespace llvm {
20 
22 public:
24  SDValue Chain, SDValue Dst, SDValue Src,
25  SDValue Size, unsigned Align, bool isVolatile,
26  bool AlwaysInline,
27  MachinePointerInfo DstPtrInfo,
28  MachinePointerInfo SrcPtrInfo) const override;
29 
30  unsigned getCommonMaxStoresPerMemFunc() const { return 128; }
31 
32 };
33 
34 }
35 
36 #endif
constexpr char Align[]
Key for Kernel::Arg::Metadata::mAlign.
This class represents lattice values for constants.
Definition: AllocatorList.h:24
unsigned getCommonMaxStoresPerMemFunc() const
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
This class contains a discriminated union of information about pointers in memory operands...
This is used to represent a portion of an LLVM function in a low-level Data Dependence DAG representa...
Definition: SelectionDAG.h:222
Wrapper class for IR location info (IR ordering and DebugLoc) to be passed into SDNode creation funct...
uint32_t Size
Definition: Profile.cpp:47
SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src, SDValue Size, unsigned Align, bool isVolatile, bool AlwaysInline, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const override
Emit target-specific code that performs a memcpy.
static bool isVolatile(Instruction *Inst)
Unlike LLVM values, Selection DAG nodes may return multiple values as the result of a computation...