NVPTXLowerArgs.cpp File Reference

#include "MCTargetDesc/NVPTXBaseInfo.h"
#include "NVPTX.h"
#include "NVPTXTargetMachine.h"
#include "NVPTXUtilities.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
#include <numeric>
#include <queue>

Include dependency graph for NVPTXLowerArgs.cpp:

Go to the source code of this file.

Classes
struct	IP

Namespaces
	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	DEBUG_TYPE   "nvptx-lower-args"

Functions
void	llvm::initializeNVPTXLowerArgsPass (PassRegistry &)
	INITIALIZE_PASS (NVPTXLowerArgs, "nvptx-lower-args", "Lower arguments (NVPTX)", false, false) static void convertToParamAS(Value *OldUser
	assert (I &&"OldUser must be an instruction")
	while (!ItemsToConvert.empty())
	for (Instruction *I :llvm::reverse(InstructionsToDelete)) I -> eraseFromParent()
static void	adjustByValArgAlignment (Argument *Arg, Value *ArgInParamAS, const NVPTXTargetLowering *TLI)

Variables
Value *	Param
SmallVector< IP >	ItemsToConvert = {{I, Param}}
SmallVector< Instruction * >	InstructionsToDelete
auto	CloneInstInParamAS

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "nvptx-lower-args"

Definition at line 104 of file NVPTXLowerArgs.cpp.

Function Documentation

adjustByValArgAlignment()

static void adjustByValArgAlignment ( Argument *  Arg, Value *  ArgInParamAS, const NVPTXTargetLowering *  TLI  )

static

Definition at line 235 of file NVPTXLowerArgs.cpp.

References llvm::ADDRESS_SPACE_PARAM, Arg, assert(), llvm::dbgs(), DL, gcd(), llvm::Attribute::get(), llvm::NVPTXTargetLowering::getFunctionParamOptimizedAlign(), llvm::APInt::getLimitedValue(), llvm::APInt::getZero(), I, LLVM_DEBUG, llvm_unreachable, llvm::SPII::Load, llvm::max(), and llvm::Align::value().

assert()

assert

(

I &&"OldUser must be an instruction"

)

Referenced by adjustByValArgAlignment().

for()

for

(

Instruction *I

:llvm::reverseInstructionsToDelete

)

-> eraseFromParent()

INITIALIZE_PASS()

INITIALIZE_PASS	(	NVPTXLowerArgs	,
		"nvptx-lower-args"	,
		"Lower arguments (NVPTX)"	,
		false	,
		false
	)

while()

while

(

!ItemsToConvert.

empty()

)

Definition at line 203 of file NVPTXLowerArgs.cpp.

References CloneInstInParamAS, I, InstructionsToDelete, and ItemsToConvert.

Referenced by llvm::mca::initializeUsedResources().

Variable Documentation

CloneInstInParamAS

auto CloneInstInParamAS

Initial value:

= [](const IP &I) -> Value * {
    if (auto *LI = dyn_cast<LoadInst>(I.OldInstruction)) {
      LI->setOperand(0, I.NewParam);
      return LI;
    }
    if (auto *GEP = dyn_cast<GetElementPtrInst>(I.OldInstruction)) {
      SmallVector<Value *, 4> Indices(GEP->indices());
      auto *NewGEP = GetElementPtrInst::Create(GEP->getSourceElementType(),
                                               I.NewParam, Indices,
                                               GEP->getName(), GEP);
      NewGEP->setIsInBounds(GEP->isInBounds());
      return NewGEP;
    }
    if (auto *BC = dyn_cast<BitCastInst>(I.OldInstruction)) {
      auto *NewBCType = PointerType::getWithSamePointeeType(
          cast<PointerType>(BC->getType()), ADDRESS_SPACE_PARAM);
      return BitCastInst::Create(BC->getOpcode(), I.NewParam, NewBCType,
                                 BC->getName(), BC);
    }
    if (auto *ASC = dyn_cast<AddrSpaceCastInst>(I.OldInstruction)) {
      assert(ASC->getDestAddressSpace() == ADDRESS_SPACE_PARAM);
      (void)ASC;
      
      return I.NewParam;
    }
    llvm_unreachable("Unsupported instruction");
  }

Definition at line 175 of file NVPTXLowerArgs.cpp.

Referenced by while().

InstructionsToDelete

SmallVector<Instruction *> InstructionsToDelete

Definition at line 173 of file NVPTXLowerArgs.cpp.

Referenced by while().

ItemsToConvert

SmallVector<IP> ItemsToConvert = {{I, Param}}

Definition at line 172 of file NVPTXLowerArgs.cpp.

Referenced by while().

Param

Value* Param

Initial value:

{
  Instruction *I = dyn_cast<Instruction>(OldUser)

Definition at line 165 of file NVPTXLowerArgs.cpp.

Referenced by addToFwdRegWorklist(), llvm::SPIRVGlobalRegistry::buildConstantSampler(), llvm::BTFTypeFuncProto::completeType(), llvm::computeSignatureVTs(), llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), llvm::createFunctionInliningPass(), llvm::BTFTypeFuncProto::emitType(), finishCallSiteParams(), llvm::CFLSteensAAResult::FunctionInfo::FunctionInfo(), llvm::DenseMapInfo< wasm::WasmSignature, void >::getHashValue(), llvm::AMDGPUTargetLowering::getImplicitParameterOffset(), llvm::StackSafetyInfo::getParamAccesses(), llvm::AMDGPULegalizerInfo::getSegmentAperture(), isCallingConvCCompatible(), llvm::AMDGPULegalizerInfo::legalizeTrapHsaQueuePtr(), TemplateParamPackDecl::match(), needStackSlotPassParameters(), llvm::pdb::operator<<(), TemplateParamPackDecl::printLeft(), TemplateParamPackDecl::printRight(), and TemplateParamPackDecl::TemplateParamPackDecl().