XCoreLowerThreadLocal.cpp File Reference

This file contains a pass that lowers thread local variables on the XCore. More...

#include "XCore.h"
#include "XCoreSubtarget.h"
#include "llvm/IR/Analysis.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsXCore.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Pass.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "xcore-lower-thread-local"

Functions
	INITIALIZE_PASS (XCoreLowerThreadLocalLegacy, "xcore-lower-thread-local", "Lower thread local variables", false, false) ModulePass *llvm
static ArrayType *	createLoweredType (Type *OriginalType, unsigned MaxThreads)
static Constant *	createLoweredInitializer (ArrayType *NewType, Constant *OriginalInitializer)
static bool	replaceConstantExprOp (ConstantExpr *CE)
static bool	rewriteNonInstructionUses (GlobalVariable *GV)
static bool	lowerGlobal (GlobalVariable *GV, unsigned MaxThreads)
static bool	lowerGlobalsInModule (Module &M)

Detailed Description

This file contains a pass that lowers thread local variables on the XCore.

Definition in file XCoreLowerThreadLocal.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "xcore-lower-thread-local"

Definition at line 31 of file XCoreLowerThreadLocal.cpp.

Function Documentation

createLoweredInitializer()

Constant * createLoweredInitializer ( ArrayType * NewType, Constant * OriginalInitializer )

static

Definition at line 62 of file XCoreLowerThreadLocal.cpp.

References llvm::ConstantArray::get().

Referenced by lowerGlobal().

createLoweredType()

ArrayType * createLoweredType ( Type * OriginalType, unsigned MaxThreads )

static

Definition at line 57 of file XCoreLowerThreadLocal.cpp.

References llvm::ArrayType::get().

Referenced by lowerGlobal().

INITIALIZE_PASS()

INITIALIZE_PASS	(	XCoreLowerThreadLocalLegacy	,
		"xcore-lower-thread-local"	,
		"Lower thread local variables"	,
		false	,
		false	)

Definition at line 50 of file XCoreLowerThreadLocal.cpp.

References llvm::createXCoreLowerThreadLocalLegacyPass().

lowerGlobal()

bool lowerGlobal ( GlobalVariable * GV, unsigned MaxThreads )

static

Definition at line 119 of file XCoreLowerThreadLocal.cpp.

References llvm::cast(), createLoweredInitializer(), createLoweredType(), llvm::GlobalVariable::eraseFromParent(), llvm::PointerType::getAddressSpace(), llvm::GlobalVariable::getGlobalSize(), llvm::GlobalVariable::getInitializer(), llvm::GlobalValue::getLinkage(), llvm::Value::getName(), llvm::GlobalValue::getParent(), llvm::GlobalValue::getType(), llvm::GlobalValue::getValueType(), llvm::GlobalVariable::hasInitializer(), llvm::GlobalVariable::isConstant(), llvm::GlobalVariable::isExternallyInitialized(), llvm::Type::isSized(), llvm::GlobalValue::isThreadLocal(), llvm::GlobalValue::NotThreadLocal, llvm::reportFatalUsageError(), rewriteNonInstructionUses(), llvm::Value::takeName(), Users, and llvm::Value::users().

Referenced by lowerGlobalsInModule().

lowerGlobalsInModule()

bool lowerGlobalsInModule ( Module & M )

static

Definition at line 167 of file XCoreLowerThreadLocal.cpp.

References lowerGlobal(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

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

replaceConstantExprOp()

bool replaceConstantExprOp ( ConstantExpr * CE )

static

Definition at line 70 of file XCoreLowerThreadLocal.cpp.

References llvm::dyn_cast(), E(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::SmallVectorImpl< T >::erase(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::Instruction::getNumSuccessors(), llvm::BasicBlock::getParent(), llvm::BasicBlock::getTerminator(), I, llvm::Instruction::insertBefore(), llvm::SmallVectorImpl< T >::pop_back_val(), replaceConstantExprOp(), llvm::sort(), llvm::SplitEdge(), and llvm::unique().

Referenced by replaceConstantExprOp(), and rewriteNonInstructionUses().

rewriteNonInstructionUses()

bool rewriteNonInstructionUses ( GlobalVariable * GV )

static

Definition at line 105 of file XCoreLowerThreadLocal.cpp.

References llvm::dyn_cast(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::isa(), llvm::SmallVectorImpl< T >::pop_back_val(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), replaceConstantExprOp(), and llvm::Value::users().

Referenced by lowerGlobal().