LowerMemIntrinsics.cpp File Reference

#include "llvm/Transforms/Utils/LowerMemIntrinsics.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"

Include dependency graph for LowerMemIntrinsics.cpp:

Go to the source code of this file.

Functions
static unsigned	getLoopOperandSizeInBytes (Type *Type)
static void	createMemMoveLoop (Instruction *InsertBefore, Value *SrcAddr, Value *DstAddr, Value *CopyLen, unsigned SrcAlign, unsigned DestAlign, bool SrcIsVolatile, bool DstIsVolatile)
static void	createMemSetLoop (Instruction *InsertBefore, Value *DstAddr, Value *CopyLen, Value *SetValue, unsigned Align, bool IsVolatile)

Function Documentation

createMemMoveLoop()

static void createMemMoveLoop ( Instruction *  InsertBefore, Value *  SrcAddr, Value *  DstAddr, Value *  CopyLen, unsigned  SrcAlign, unsigned  DestAlign, bool  SrcIsVolatile, bool  DstIsVolatile  )

static

Definition at line 288 of file LowerMemIntrinsics.cpp.

References llvm::PHINode::addIncoming(), llvm::BasicBlock::Create(), llvm::BranchInst::Create(), llvm::Instruction::eraseFromParent(), F(), llvm::ConstantInt::get(), llvm::Function::getContext(), llvm::Instruction::getParent(), llvm::BasicBlock::getParent(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_ULT, llvm::Value::setName(), and llvm::SplitBlockAndInsertIfThenElse().

Referenced by llvm::expandMemMoveAsLoop().

createMemSetLoop()

static void createMemSetLoop ( Instruction *  InsertBefore, Value *  DstAddr, Value *  CopyLen, Value *  SetValue, unsigned  Align, bool  IsVolatile  )

static

Definition at line 365 of file LowerMemIntrinsics.cpp.

References llvm::PHINode::addIncoming(), llvm::BasicBlock::Create(), llvm::IRBuilder< T, Inserter >::CreateAdd(), llvm::IRBuilder< T, Inserter >::CreateCondBr(), llvm::IRBuilder< T, Inserter >::CreateICmpULT(), llvm::IRBuilder< T, Inserter >::CreateInBoundsGEP(), llvm::IRBuilder< T, Inserter >::CreatePHI(), llvm::IRBuilder< T, Inserter >::CreateStore(), llvm::Instruction::eraseFromParent(), F(), llvm::ConstantInt::get(), llvm::PointerType::get(), llvm::Function::getContext(), llvm::Instruction::getParent(), llvm::BasicBlock::getParent(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), and llvm::BasicBlock::splitBasicBlock().

Referenced by llvm::expandMemSetAsLoop().

getLoopOperandSizeInBytes()

static unsigned getLoopOperandSizeInBytes ( Type *  Type )

static

Definition at line 18 of file LowerMemIntrinsics.cpp.

References llvm::Type::getPrimitiveSizeInBits().

Referenced by llvm::createMemCpyLoopKnownSize(), and llvm::createMemCpyLoopUnknownSize().