LowerAtomic.cpp File Reference

#include "llvm/Transforms/Scalar/LowerAtomic.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Scalar.h"

Include dependency graph for LowerAtomic.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "loweratomic"

Functions
static bool	LowerAtomicCmpXchgInst (AtomicCmpXchgInst *CXI)
static bool	LowerAtomicRMWInst (AtomicRMWInst *RMWI)
static bool	LowerFenceInst (FenceInst *FI)
static bool	LowerLoadInst (LoadInst *LI)
static bool	LowerStoreInst (StoreInst *SI)
static bool	runOnBasicBlock (BasicBlock &BB)
static bool	lowerAtomics (Function &F)
	INITIALIZE_PASS (LowerAtomicLegacyPass, "loweratomic", "Lower atomic intrinsics to non-atomic form", false, false) Pass *llvm

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "loweratomic"

Definition at line 22 of file LowerAtomic.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	LowerAtomicLegacyPass	,
		"loweratomic"	,
		"Lower atomic intrinsics to non-atomic form"	,
		false	,
		false
	)

Definition at line 169 of file LowerAtomic.cpp.

LowerAtomicCmpXchgInst()

static bool LowerAtomicCmpXchgInst ( AtomicCmpXchgInst *  CXI )

static

Definition at line 24 of file LowerAtomic.cpp.

References llvm::IRBuilder< T, Inserter >::CreateICmpEQ(), llvm::IRBuilder< T, Inserter >::CreateInsertValue(), llvm::IRBuilder< T, Inserter >::CreateLoad(), llvm::IRBuilder< T, Inserter >::CreateSelect(), llvm::IRBuilder< T, Inserter >::CreateStore(), llvm::object::Equal, llvm::Instruction::eraseFromParent(), llvm::UndefValue::get(), llvm::AtomicCmpXchgInst::getCompareOperand(), llvm::AtomicCmpXchgInst::getNewValOperand(), llvm::AtomicCmpXchgInst::getPointerOperand(), llvm::Value::getType(), and llvm::Value::replaceAllUsesWith().

Referenced by runOnBasicBlock().

LowerAtomicRMWInst()

static bool LowerAtomicRMWInst ( AtomicRMWInst *  RMWI )

static

Definition at line 43 of file LowerAtomic.cpp.

References llvm::AtomicRMWInst::Add, llvm::AtomicRMWInst::And, llvm::IRBuilder< T, Inserter >::CreateAdd(), llvm::IRBuilder< T, Inserter >::CreateAnd(), llvm::IRBuilder< T, Inserter >::CreateICmpSLT(), llvm::IRBuilder< T, Inserter >::CreateICmpULT(), llvm::IRBuilder< T, Inserter >::CreateLoad(), llvm::IRBuilder< T, Inserter >::CreateNot(), llvm::IRBuilder< T, Inserter >::CreateOr(), llvm::IRBuilder< T, Inserter >::CreateSelect(), llvm::IRBuilder< T, Inserter >::CreateStore(), llvm::IRBuilder< T, Inserter >::CreateSub(), llvm::IRBuilder< T, Inserter >::CreateXor(), llvm::Instruction::eraseFromParent(), llvm::AtomicRMWInst::getOperation(), llvm::AtomicRMWInst::getPointerOperand(), llvm::AtomicRMWInst::getValOperand(), llvm_unreachable, llvm::AtomicRMWInst::Max, llvm::AtomicRMWInst::Min, llvm::AtomicRMWInst::Nand, llvm::AtomicRMWInst::Or, llvm::Value::replaceAllUsesWith(), llvm::AtomicRMWInst::Sub, llvm::AtomicRMWInst::UMax, llvm::AtomicRMWInst::UMin, llvm::AtomicRMWInst::Xchg, and llvm::AtomicRMWInst::Xor.

Referenced by runOnBasicBlock().

lowerAtomics()

static bool lowerAtomics ( Function &  F )

static

Definition at line 133 of file LowerAtomic.cpp.

References runOnBasicBlock().

Referenced by llvm::LowerAtomicPass::run().

LowerFenceInst()

static bool LowerFenceInst ( FenceInst *  FI )

static

Definition at line 97 of file LowerAtomic.cpp.

References llvm::Instruction::eraseFromParent().

Referenced by runOnBasicBlock().

LowerLoadInst()

static bool LowerLoadInst ( LoadInst *  LI )

static

Definition at line 102 of file LowerAtomic.cpp.

References llvm::NotAtomic, and llvm::LoadInst::setAtomic().

Referenced by runOnBasicBlock().

LowerStoreInst()

static bool LowerStoreInst ( StoreInst *  SI )

static

Definition at line 107 of file LowerAtomic.cpp.

References llvm::NotAtomic, and llvm::StoreInst::setAtomic().

Referenced by runOnBasicBlock().

runOnBasicBlock()

static bool runOnBasicBlock ( BasicBlock &  BB )

static

Definition at line 112 of file LowerAtomic.cpp.

References llvm::BasicBlock::begin(), llvm::BasicBlock::end(), LowerAtomicCmpXchgInst(), LowerAtomicRMWInst(), LowerFenceInst(), LowerLoadInst(), LowerStoreInst(), and SI.

Referenced by lowerAtomics().