NVPTXTagInvariantLoads.cpp File Reference

#include "NVPTXUtilities.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Metadata.h"
#include "llvm/Support/NVPTXAddrSpace.h"

Go to the source code of this file.

Functions
static bool	isInvariantLoad (const LoadInst *LI, const bool IsKernelFn)
static void	markLoadsAsInvariant (LoadInst *LI)
static bool	tagInvariantLoads (Function &F)
	INITIALIZE_PASS (NVPTXTagInvariantLoadLegacyPass, "nvptx-tag-invariant-loads", "NVPTX Tag Invariant Loads", false, false) bool NVPTXTagInvariantLoadLegacyPass

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	NVPTXTagInvariantLoadLegacyPass	,
		"nvptx-tag-invariant-loads"	,
		"NVPTX Tag Invariant Loads"	,
		false	,
		false	)

Definition at line 87 of file NVPTXTagInvariantLoads.cpp.

References F, runOnFunction(), and tagInvariantLoads().

isInvariantLoad()

bool isInvariantLoad ( const LoadInst * LI, const bool IsKernelFn )

static

Definition at line 30 of file NVPTXTagInvariantLoads.cpp.

References A(), llvm::NVPTXAS::ADDRESS_SPACE_GLOBAL, llvm::all_of(), llvm::dyn_cast(), llvm::Instruction::getMetadata(), llvm::LoadInst::getPointerAddressSpace(), llvm::LoadInst::getPointerOperand(), llvm::getUnderlyingObjects(), and llvm::isParamGridConstant().

Referenced by llvm::MemoryDependenceResults::getSimplePointerDependencyFrom(), and tagInvariantLoads().

markLoadsAsInvariant()

void markLoadsAsInvariant ( LoadInst * LI )

static

Definition at line 56 of file NVPTXTagInvariantLoads.cpp.

References llvm::MDNode::get(), llvm::Value::getContext(), and llvm::Instruction::setMetadata().

Referenced by tagInvariantLoads().

tagInvariantLoads()

bool tagInvariantLoads ( Function & F )

static

Definition at line 61 of file NVPTXTagInvariantLoads.cpp.

References Changed, llvm::dyn_cast(), F, I, instructions, isInvariantLoad(), llvm::isKernelFunction(), and markLoadsAsInvariant().

Referenced by INITIALIZE_PASS(), and llvm::NVPTXTagInvariantLoadsPass::run().