AMDGPULowerKernelAttributes.cpp File Reference

#include "AMDGPU.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Pass.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-lower-kernel-attributes"

Functions
static bool	annotateGridSizeLoadWithRangeMD (LoadInst *Load, uint32_t MaxNumGroups)
static bool	annotateGroupSizeLoadWithRangeMD (LoadInst *Load, bool IsRemainder)
static bool	annotateGridDimsLoadWithRangeMD (LoadInst *Load, unsigned KnownNumGridDims)
static unsigned	computeNumGridDims (const MDNode *ReqdWorkGroupSize)
	Compute the number of grid dimensions based on !reqd_work_group_size metadata.
static bool	processUse (CallInst *CI, bool IsV5OrAbove)
	INITIALIZE_PASS_BEGIN (AMDGPULowerKernelAttributes, DEBUG_TYPE, "AMDGPU Kernel Attributes", false, false) INITIALIZE_PASS_END(AMDGPULowerKernelAttributes

Variables
	DEBUG_TYPE
AMDGPU Kernel	Attributes
AMDGPU Kernel	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-lower-kernel-attributes"

Definition at line 30 of file AMDGPULowerKernelAttributes.cpp.

Function Documentation

annotateGridDimsLoadWithRangeMD()

bool annotateGridDimsLoadWithRangeMD ( LoadInst * Load, unsigned KnownNumGridDims )

static

Definition at line 121 of file AMDGPULowerKernelAttributes.cpp.

References llvm::MDBuilder::createRange(), llvm::dyn_cast(), and Range.

Referenced by processUse().

annotateGridSizeLoadWithRangeMD()

bool annotateGridSizeLoadWithRangeMD ( LoadInst * Load, uint32_t MaxNumGroups )

static

Definition at line 87 of file AMDGPULowerKernelAttributes.cpp.

References llvm::MDBuilder::createRange(), and Range.

Referenced by processUse().

annotateGroupSizeLoadWithRangeMD()

bool annotateGroupSizeLoadWithRangeMD ( LoadInst * Load, bool IsRemainder )

static

Definition at line 105 of file AMDGPULowerKernelAttributes.cpp.

References llvm::MDBuilder::createRange(), llvm::AMDGPU::IsaInfo::getMaxFlatWorkGroupSize(), and Range.

Referenced by processUse().

computeNumGridDims()

unsigned computeNumGridDims ( const MDNode * ReqdWorkGroupSize )

static

Compute the number of grid dimensions based on !reqd_work_group_size metadata.

Definition at line 146 of file AMDGPULowerKernelAttributes.cpp.

References llvm::mdconst::extract(), and llvm::ConstantInt::getZExtValue().

Referenced by processUse().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	AMDGPULowerKernelAttributes	,
		DEBUG_TYPE	,
		"AMDGPU Kernel Attributes"	,
		false	,
		false	)

References DEBUG_TYPE.

processUse()

bool processUse ( CallInst * CI, bool IsV5OrAbove )

static

Definition at line 160 of file AMDGPULowerKernelAttributes.cpp.

References annotateGridDimsLoadWithRangeMD(), annotateGridSizeLoadWithRangeMD(), annotateGroupSizeLoadWithRangeMD(), llvm::cast(), computeNumGridDims(), llvm::ConstantFoldIntegerCast(), DL, llvm::dyn_cast(), llvm::Instruction::eraseFromParent(), llvm::mdconst::extract(), F, GEP, llvm::MDNode::get(), llvm::Value::getContext(), llvm::Instruction::getFunction(), llvm::AMDGPU::getIntegerVecAttribute(), llvm::Constant::getNullValue(), llvm::GetPointerBaseWithConstantOffset(), llvm::ConstantInt::getTrue(), llvm::Value::getType(), I, llvm::CmpInst::ICMP_ULT, llvm::isa(), llvm::Type::isIntegerTy(), llvm::PatternMatch::m_GEP(), llvm::PatternMatch::m_Intrinsic(), llvm::PatternMatch::m_Load(), llvm::PatternMatch::m_Mul(), llvm::PatternMatch::m_Specific(), llvm::PatternMatch::m_SpecificICmp(), llvm::PatternMatch::m_SpecificInt(), llvm::PatternMatch::m_Sub(), llvm::PatternMatch::m_UDiv(), llvm::PatternMatch::m_UMin(), llvm::PatternMatch::m_Value(), llvm::PatternMatch::m_ZExtOrSelf(), llvm::PatternMatch::match(), llvm::Offset, llvm::Value::replaceAllUsesWith(), llvm::Instruction::setMetadata(), llvm::UMin, llvm::Value::use_empty(), llvm::Value::user_begin(), and llvm::Value::users().

Referenced by llvm::rdf::DeadCodeElimination::collect(), and llvm::AMDGPULowerKernelAttributesPass::run().

Variable Documentation

Attributes

AMDGPU Kernel Attributes

Definition at line 493 of file AMDGPULowerKernelAttributes.cpp.

DEBUG_TYPE

DEBUG_TYPE

Definition at line 492 of file AMDGPULowerKernelAttributes.cpp.

false

AMDGPU Kernel false

Definition at line 493 of file AMDGPULowerKernelAttributes.cpp.