XCoreLowerThreadLocal.cpp File Reference

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

#include "XCore.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/NoFolder.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.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 (XCoreLowerThreadLocal, "xcore-lower-thread-local", "Lower thread local variables", false, false) ModulePass *llvm
static ArrayType *	createLoweredType (Type *OriginalType)
static Constant *	createLoweredInitializer (ArrayType *NewType, Constant *OriginalInitializer)
static bool	replaceConstantExprOp (ConstantExpr *CE, Pass *P)
static bool	rewriteNonInstructionUses (GlobalVariable *GV, Pass *P)
static bool	isZeroLengthArray (Type *Ty)

Variables
static cl::opt< unsigned >	MaxThreads ("xcore-max-threads", cl::Optional, cl::desc("Maximum number of threads (for emulation thread-local storage)"), cl::Hidden, cl::value_desc("number"), cl::init(8))

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 29 of file XCoreLowerThreadLocal.cpp.

Function Documentation

createLoweredInitializer()

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

static

Definition at line 69 of file XCoreLowerThreadLocal.cpp.

References llvm::ConstantArray::get(), and MaxThreads.

createLoweredType()

static ArrayType * createLoweredType ( Type *  OriginalType )

static

Definition at line 64 of file XCoreLowerThreadLocal.cpp.

References MaxThreads.

INITIALIZE_PASS()

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

Definition at line 57 of file XCoreLowerThreadLocal.cpp.

isZeroLengthArray()

static bool isZeroLengthArray ( Type *  Ty )

static

Definition at line 127 of file XCoreLowerThreadLocal.cpp.

replaceConstantExprOp()

static bool replaceConstantExprOp ( ConstantExpr *  CE, Pass *  P  )

static

Definition at line 78 of file XCoreLowerThreadLocal.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorBase< Size_T >::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(), P, llvm::SmallVectorImpl< T >::pop_back_val(), replaceConstantExprOp(), llvm::sort(), and llvm::SplitEdge().

Referenced by replaceConstantExprOp(), and rewriteNonInstructionUses().

rewriteNonInstructionUses()

static bool rewriteNonInstructionUses ( GlobalVariable *  GV, Pass *  P  )

static

Definition at line 113 of file XCoreLowerThreadLocal.cpp.

References llvm::SmallVectorBase< Size_T >::empty(), P, llvm::SmallVectorImpl< T >::pop_back_val(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), replaceConstantExprOp(), and llvm::Value::users().

Variable Documentation

MaxThreads

cl::opt< unsigned > MaxThreads("xcore-max-threads", cl::Optional, cl::desc("Maximum number of threads (for emulation thread-local storage)"), cl::Hidden, cl::value_desc("number"), cl::init(8)) ( "xcore-max-threads"  , cl::Optional  , cl::desc("Maximum number of threads (for emulation thread-local storage)")  , cl::Hidden  , cl::value_desc("number")  , cl::init(8)    )

static

Referenced by createLoweredInitializer(), createLoweredType(), and llvm::OpenMPIRBuilder::createTargetInit().