InlineCost.cpp File Reference

#include "llvm/Analysis/InlineCost.h"
#include "AnalysisOptions.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/DomConditionCache.h"
#include "llvm/Analysis/EphemeralValuesCache.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/AssemblyAnnotationWriter.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/raw_ostream.h"
#include <climits>
#include <limits>
#include <optional>

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.
namespace	llvm::InlineConstants

Macros
#define	DEBUG_TYPE   "inline-cost"
#define	DEBUG_PRINT_STAT(x)

Functions
	STATISTIC (NumCallsAnalyzed, "Number of call sites analyzed")
std::optional< int >	llvm::getStringFnAttrAsInt (const Attribute &Attr)
LLVM_ABI std::optional< int >	llvm::getStringFnAttrAsInt (CallBase &CB, StringRef AttrKind)
std::optional< int >	llvm::getStringFnAttrAsInt (Function *F, StringRef AttrKind)
LLVM_ABI int	llvm::InlineConstants::getInstrCost ()
static bool	functionsHaveCompatibleAttributes (const AnalysisOptions &Opts, Function *Caller, Function *Callee, function_ref< const TargetLibraryInfo &(Function &)> &GetTLI)
	Test that there are no attribute conflicts between Caller and Callee that prevent inlining.

Variables
static cl::opt< int >	DefaultThreshold ("inlinedefault-threshold", cl::Hidden, cl::init(225), cl::desc("Default amount of inlining to perform"))
static cl::opt< int >	InlineThreshold ("inline-threshold", cl::Hidden, cl::init(225), 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::desc("Threshold for hot callsites "))
static cl::opt< int >	LocallyHotCallSiteThreshold ("locally-hot-callsite-threshold", cl::Hidden, cl::init(525), cl::desc("Threshold for locally hot callsites "))
static cl::opt< int >	InstrCost ("inline-instr-cost", cl::Hidden, cl::init(5), cl::desc("Cost of a single instruction when inlining"))

Macro Definition Documentation

DEBUG_PRINT_STAT

#define DEBUG_PRINT_STAT

(

x

)

Value:

OS << "      " #x ": " << x << "\n"

DEBUG_TYPE

#define DEBUG_TYPE   "inline-cost"

Definition at line 55 of file InlineCost.cpp.

Function Documentation

functionsHaveCompatibleAttributes()

bool functionsHaveCompatibleAttributes ( const AnalysisOptions & Opts, Function * Caller, Function * Callee, function_ref< const TargetLibraryInfo &(Function &)> & GetTLI )

static

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

Definition at line 3003 of file InlineCost.cpp.

Referenced by llvm::getAttributeBasedInliningDecision().

STATISTIC()

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

Variable Documentation

ColdCallSiteThreshold

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

static

Referenced by llvm::getInlineParams().

DefaultThreshold

cl::opt< int > DefaultThreshold("inlinedefault-threshold", cl::Hidden, cl::init(225), cl::desc("Default amount of inlining to perform")) ( "inlinedefault-threshold" , cl::Hidden , cl::init(225) , cl::desc("Default amount of inlining to perform")  )

static

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

HintThreshold

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

static

Referenced by llvm::getInlineParams().

HotCallSiteThreshold

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

static

Referenced by llvm::getInlineParams().

InlineThreshold

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

static

Referenced by llvm::getInlineParams().

InstrCost

cl::opt< int > InstrCost("inline-instr-cost", cl::Hidden, cl::init(5), cl::desc("Cost of a single instruction when inlining")) ( "inline-instr-cost" , cl::Hidden , cl::init(5) , cl::desc("Cost of a single instruction when inlining")  )

static

Referenced by llvm::RISCVTTIImpl::getArithmeticInstrCost(), llvm::getCallsiteCost(), and llvm::InlineConstants::getInstrCost().

LocallyHotCallSiteThreshold

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

static

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