ReplaceWithVeclib.cpp File Reference

#include "llvm/CodeGen/ReplaceWithVeclib.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/DemandedBits.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"

Include dependency graph for ReplaceWithVeclib.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "replace-with-veclib"

Functions
	STATISTIC (NumCallsReplaced, "Number of calls to intrinsics that have been replaced.")
	STATISTIC (NumTLIFuncDeclAdded, "Number of vector library function declarations added.")
	STATISTIC (NumFuncUsedAdded, "Number of functions added to `llvm.compiler.used`")
static bool	replaceWithTLIFunction (CallInst &CI, const StringRef TLIName)
static bool	replaceWithCallToVeclib (const TargetLibraryInfo &TLI, CallInst &CI)
static bool	runImpl (const TargetLibraryInfo &TLI, Function &F)
	INITIALIZE_PASS_BEGIN (ReplaceWithVeclibLegacy, DEBUG_TYPE, "Replace intrinsics with calls to vector library", false, false) INITIALIZE_PASS_END(ReplaceWithVeclibLegacy

Variables
	DEBUG_TYPE
Replace intrinsics with calls to vector	library
Replace intrinsics with calls to vector	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "replace-with-veclib"

Definition at line 31 of file ReplaceWithVeclib.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	ReplaceWithVeclibLegacy	,
		DEBUG_TYPE	,
		"Replace intrinsics with calls to vector library"	,
		false	,
		false
	)

replaceWithCallToVeclib()

static bool replaceWithCallToVeclib ( const TargetLibraryInfo &  TLI, CallInst &  CI  )

static

Definition at line 93 of file ReplaceWithVeclib.cpp.

References Arg, llvm::CallBase::args(), llvm::dbgs(), DEBUG_TYPE, llvm::enumerate(), llvm::CallBase::getCalledFunction(), llvm::LinearPolySize< ElementCount >::getFixed(), llvm::Function::getIntrinsicID(), llvm::Instruction::getModule(), llvm::Intrinsic::getName(), llvm::TargetLibraryInfo::getVectorizedFunction(), llvm::hasVectorInstrinsicScalarOpd(), llvm::TargetLibraryInfo::isFunctionVectorizable(), llvm::UnivariateLinearPolyBase< LeafTy >::isNonZero(), llvm::Intrinsic::isOverloaded(), llvm::LinearPolySize< LeafTy >::isScalable(), LLVM_DEBUG, llvm::Intrinsic::not_intrinsic, replaceWithTLIFunction(), and llvm::StringRef::str().

Referenced by runImpl().

replaceWithTLIFunction()

static bool replaceWithTLIFunction ( CallInst &  CI, const StringRef  TLIName  )

static

Definition at line 42 of file ReplaceWithVeclib.cpp.

References llvm::appendToCompilerUsed(), llvm::AMDGPU::HSAMD::Kernel::Key::Args, llvm::CallBase::args(), assert(), llvm::Function::copyAttributesFrom(), llvm::Instruction::copyFastMathFlags(), llvm::Function::Create(), llvm::IRBuilderBase::CreateCall(), llvm::dbgs(), DEBUG_TYPE, llvm::GlobalValue::ExternalLinkage, llvm::CallBase::getCalledFunction(), llvm::Function::getFunctionType(), llvm::Instruction::getModule(), llvm::Value::getName(), llvm::CallBase::getOperandBundlesAsDefs(), llvm::GlobalValue::getType(), LLVM_DEBUG, M, and llvm::Value::replaceAllUsesWith().

Referenced by replaceWithCallToVeclib().

runImpl()

static bool runImpl ( const TargetLibraryInfo &  TLI, Function &  F  )

static

Definition at line 177 of file ReplaceWithVeclib.cpp.

References F, I, llvm::instructions(), and replaceWithCallToVeclib().

Referenced by llvm::MergeICmpsPass::run(), llvm::ReplaceWithVeclib::run(), llvm::LowerInvokePass::run(), llvm::DataFlowSanitizerPass::run(), llvm::ObjCARCAPElimPass::run(), llvm::ObjCARCExpandPass::run(), llvm::NaryReassociatePass::run(), llvm::JumpThreadingPass::run(), llvm::SROAPass::run(), llvm::GVNPass::run(), llvm::ConstantHoistingPass::run(), llvm::RewriteSymbolPass::run(), llvm::LoopVersioningPass::run(), and llvm::ReplaceWithVeclibLegacy::runOnFunction().

STATISTIC() [1/3]

STATISTIC	(	NumCallsReplaced	,
		"Number of calls to intrinsics that have been replaced."
	)

STATISTIC() [2/3]

STATISTIC	(	NumFuncUsedAdded	,
		"Number of functions added to `llvm.compiler.used`"
	)

STATISTIC() [3/3]

STATISTIC	(	NumTLIFuncDeclAdded	,
		"Number of vector library function declarations added."
	)

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 248 of file ReplaceWithVeclib.cpp.

false

Replace intrinsics with calls to vector false

Definition at line 249 of file ReplaceWithVeclib.cpp.

library

Replace intrinsics with calls to vector library

Definition at line 249 of file ReplaceWithVeclib.cpp.