InlineCost.cpp File Reference

#include "llvm/Analysis/InlineCost.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/CodeMetrics.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/CFG.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/CallSite.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Operator.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Include dependency graph for InlineCost.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "inline-cost"
#define	DEBUG_PRINT_STAT(x)   dbgs() << " " #x ": " << x << "\n"

Functions
	STATISTIC (NumCallsAnalyzed, "Number of call sites analyzed")
static bool	functionsHaveCompatibleAttributes (Function *Caller, Function *Callee, TargetTransformInfo &TTI)
	Test that there are no attribute conflicts between Caller and Callee that prevent inlining. More...
static int	computeThresholdFromOptLevels (unsigned OptLevel, unsigned SizeOptLevel)

Variables
static cl::opt< int >	InlineThreshold ("inline-threshold", cl::Hidden, cl::init(225), cl::ZeroOrMore, cl::desc("Control the amount of inlining to perform (default = 225)"))
static cl::opt< int >	HintThreshold ("inlinehint-threshold", cl::Hidden, cl::init(325), cl::desc("Threshold for inlining functions with inline hint"))
static cl::opt< int >	ColdCallSiteThreshold ("inline-cold-callsite-threshold", cl::Hidden, cl::init(45), cl::desc("Threshold for inlining cold callsites"))
static cl::opt< int >	ColdThreshold ("inlinecold-threshold", cl::Hidden, cl::init(45), cl::desc("Threshold for inlining functions with cold attribute"))
static cl::opt< int >	HotCallSiteThreshold ("hot-callsite-threshold", cl::Hidden, cl::init(3000), cl::ZeroOrMore, cl::desc("Threshold for hot callsites "))
static cl::opt< int >	LocallyHotCallSiteThreshold ("locally-hot-callsite-threshold", cl::Hidden, cl::init(525), cl::ZeroOrMore, cl::desc("Threshold for locally hot callsites "))
static cl::opt< int >	ColdCallSiteRelFreq ("cold-callsite-rel-freq", cl::Hidden, cl::init(2), cl::ZeroOrMore, cl::desc("Maxmimum block frequency, expressed as a percentage of caller's " "entry frequency, for a callsite to be cold in the absence of " "profile information."))
static cl::opt< int >	HotCallSiteRelFreq ("hot-callsite-rel-freq", cl::Hidden, cl::init(60), cl::ZeroOrMore, cl::desc("Minimum block frequency, expressed as a multiple of caller's " "entry frequency, for a callsite to be hot in the absence of " "profile information."))
static cl::opt< bool >	OptComputeFullInlineCost ("inline-cost-full", cl::Hidden, cl::init(false), cl::desc("Compute the full inline cost of a call site even when the cost " "exceeds the threshold."))

Macro Definition Documentation

DEBUG_PRINT_STAT

#define DEBUG_PRINT_STAT

(

x

)

dbgs() << " " #x ": " << x << "\n"

DEBUG_TYPE

#define DEBUG_TYPE   "inline-cost"

Definition at line 45 of file InlineCost.cpp.

Function Documentation

computeThresholdFromOptLevels()

static int computeThresholdFromOptLevels ( unsigned  OptLevel, unsigned  SizeOptLevel  )

static

Definition at line 2180 of file InlineCost.cpp.

References InlineThreshold, llvm::InlineConstants::OptAggressiveThreshold, llvm::InlineConstants::OptMinSizeThreshold, and llvm::InlineConstants::OptSizeThreshold.

Referenced by llvm::getInlineParams().

functionsHaveCompatibleAttributes()

static bool functionsHaveCompatibleAttributes ( Function *  Caller, Function *  Callee, TargetTransformInfo &  TTI  )

static

Test that there are no attribute conflicts between Caller and Callee that prevent inlining.

Definition at line 1949 of file InlineCost.cpp.

References llvm::AttributeFuncs::areInlineCompatible(), and llvm::TargetTransformInfo::areInlineCompatible().

Referenced by llvm::getInlineCost().

STATISTIC()

STATISTIC	(	NumCallsAnalyzed	,
		"Number of call sites analyzed"
	)

Variable Documentation

ColdCallSiteRelFreq

cl::opt<int> ColdCallSiteRelFreq("cold-callsite-rel-freq", cl::Hidden, cl::init(2), cl::ZeroOrMore, cl::desc("Maxmimum block frequency, expressed as a percentage of caller's " "entry frequency, for a callsite to be cold in the absence of " "profile information."))

static

ColdCallSiteThreshold

cl::opt<int> ColdCallSiteThreshold("inline-cold-callsite-threshold", cl::Hidden, cl::init(45), cl::desc("Threshold for inlining cold callsites"))

static

Referenced by llvm::getInlineParams().

ColdThreshold

cl::opt<int> ColdThreshold("inlinecold-threshold", cl::Hidden, cl::init(45), cl::desc("Threshold for inlining functions with cold attribute"))

static

Referenced by llvm::getInlineParams().

HintThreshold

cl::opt<int> HintThreshold("inlinehint-threshold", cl::Hidden, cl::init(325), cl::desc("Threshold for inlining functions with inline hint"))

static

Referenced by llvm::getInlineParams().

HotCallSiteRelFreq

cl::opt<int> HotCallSiteRelFreq("hot-callsite-rel-freq", cl::Hidden, cl::init(60), cl::ZeroOrMore, cl::desc("Minimum block frequency, expressed as a multiple of caller's " "entry frequency, for a callsite to be hot in the absence of " "profile information."))

static

HotCallSiteThreshold

cl::opt<int> HotCallSiteThreshold("hot-callsite-threshold", cl::Hidden, cl::init(3000), cl::ZeroOrMore, cl::desc("Threshold for hot callsites "))

static

InlineThreshold

cl::opt<int> InlineThreshold("inline-threshold", cl::Hidden, cl::init(225), cl::ZeroOrMore, cl::desc("Control the amount of inlining to perform (default = 225)"))

static

Referenced by computeThresholdFromOptLevels(), and llvm::getInlineParams().

LocallyHotCallSiteThreshold

cl::opt<int> LocallyHotCallSiteThreshold("locally-hot-callsite-threshold", cl::Hidden, cl::init(525), cl::ZeroOrMore, cl::desc("Threshold for locally hot callsites "))

static

Referenced by llvm::getInlineParams().

OptComputeFullInlineCost

cl::opt<bool> OptComputeFullInlineCost("inline-cost-full", cl::Hidden, cl::init(false), cl::desc("Compute the full inline cost of a call site even when the cost " "exceeds the threshold."))

static