NVPTXLowerArgs.cpp File Reference

#include "NVPTX.h"
#include "NVPTXTargetMachine.h"
#include "NVPTXUtilities.h"
#include "NVVMProperties.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVectorExtras.h"
#include "llvm/Analysis/PtrUseVisitor.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Type.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/NVPTXAddrSpace.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "nvptx-lower-args"

Functions
	INITIALIZE_PASS_BEGIN (NVPTXLowerArgsLegacyPass, "nvptx-lower-args", "Lower arguments (NVPTX)", false, false) INITIALIZE_PASS_END(NVPTXLowerArgsLegacyPass
nvptx lower Lower	arguments (NVPTX)"
nvptx lower Lower static false void	convertToParamAS (ArrayRef< Use * > OldUses, Value *Param)
	Recursively convert the users of a param to the param address space.
static bool	kernelNeedsByValLowering (const Function &F)
static void	lowerKernelByValParam (Argument &OldArg, Argument &NewParamArg, Function &F, const bool HasCvtaParam)
static void	rewriteKernelByValSignature (Function &F, const bool HasCvtaParam)
static bool	processFunction (Function &F, NVPTXTargetMachine &TM)
static bool	processModule (Module &M, NVPTXTargetMachine &TM)
static bool	copyFunctionByValArgs (Function &F)

Variables
nvptx lower	args
nvptx lower Lower	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "nvptx-lower-args"

Definition at line 65 of file NVPTXLowerArgs.cpp.

Function Documentation

arguments()

nvptx lower Lower arguments

(

NVPTX

)

convertToParamAS()

nvptx lower Lower static false void convertToParamAS ( ArrayRef< Use * > OldUses, Value * Param )

static

Recursively convert the users of a param to the param address space.

Definition at line 95 of file NVPTXLowerArgs.cpp.

References llvm::NVPTXAS::ADDRESS_SPACE_ENTRY_PARAM, assert(), B(), llvm::cast(), convertToParamAS(), llvm::CastInst::Create(), llvm::GetElementPtrInst::Create(), llvm::dyn_cast(), GEP, llvm::PointerType::get(), I, llvm_unreachable, llvm::map_to_vector(), MI, llvm::reverse(), and llvm::Value::uses().

Referenced by convertToParamAS(), and lowerKernelByValParam().

copyFunctionByValArgs()

bool copyFunctionByValArgs ( Function & F )

static

Definition at line 433 of file NVPTXLowerArgs.cpp.

References Changed, llvm::dbgs(), F, llvm::Argument::hasByValAttr(), llvm::isKernelFunction(), llvm::isParamGridConstant(), and LLVM_DEBUG.

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

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	NVPTXLowerArgsLegacyPass	,
		"nvptx-lower-args"	,
		"Lower arguments (NVPTX)"	,
		false	,
		false	)

References INITIALIZE_PASS_DEPENDENCY.

kernelNeedsByValLowering()

bool kernelNeedsByValLowering ( const Function & F )

static

Definition at line 283 of file NVPTXLowerArgs.cpp.

References A(), llvm::any_of(), and F.

Referenced by processFunction().

lowerKernelByValParam()

void lowerKernelByValParam ( Argument & OldArg, Argument & NewParamArg, Function & F, const bool HasCvtaParam )

static

Definition at line 293 of file NVPTXLowerArgs.cpp.

References llvm::NVPTXAS::ADDRESS_SPACE_GENERIC, assert(), convertToParamAS(), llvm::IRBuilderBase::CreateAddrSpaceCast(), llvm::dbgs(), DL, llvm::SmallPtrSetImplBase::empty(), F, llvm::findDbgUsers(), llvm::Value::getName(), llvm::IRBuilderBase::getPtrTy(), llvm::isKernelFunction(), llvm::isParamGridConstant(), llvm::Value::isUsedByMetadata(), LLVM_DEBUG, llvm::make_pointer_range(), llvm::Value::replaceAllUsesWith(), llvm::Value::use_empty(), and llvm::Value::uses().

Referenced by rewriteKernelByValSignature().

processFunction()

bool processFunction ( Function & F, NVPTXTargetMachine & TM )

static

Definition at line 402 of file NVPTXLowerArgs.cpp.

References llvm::dbgs(), F, llvm::NVPTXTargetMachine::getSubtargetImpl(), llvm::isKernelFunction(), kernelNeedsByValLowering(), LLVM_DEBUG, and rewriteKernelByValSignature().

Referenced by processModule().

processModule()

bool processModule ( Module & M, NVPTXTargetMachine & TM )

static

Definition at line 417 of file NVPTXLowerArgs.cpp.

References Changed, F, llvm::make_early_inc_range(), and processFunction().

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

rewriteKernelByValSignature()

void rewriteKernelByValSignature ( Function & F, const bool HasCvtaParam )

static

Definition at line 349 of file NVPTXLowerArgs.cpp.

References llvm::NVPTXAS::ADDRESS_SPACE_ENTRY_PARAM, llvm::Function::args(), llvm::Function::begin(), llvm::Function::copyAttributesFrom(), llvm::GlobalObject::copyMetadata(), llvm::Function::Create(), F, llvm::FunctionType::get(), llvm::PointerType::get(), llvm::Argument::getArgNo(), llvm::Argument::hasByValAttr(), lowerKernelByValParam(), llvm::GlobalObject::setComdat(), llvm::Function::splice(), llvm::Value::takeName(), and llvm::zip_equal().

Referenced by processFunction().

Variable Documentation

args

nvptx lower args

Definition at line 91 of file NVPTXLowerArgs.cpp.

Referenced by llvm::LegalityPredicates::all(), llvm::detail::all_of_zip_predicate_first(), llvm::LegalityPredicates::any(), llvm::DisplayGraph(), ExecGraphViewer(), formatInternal(), getOrCreateCachedOptional(), llvm::hash_combine(), lle_X_scanf(), lle_X_sscanf(), lto_codegen_set_assembler_args(), AbstractManglingParser< Derived, Alloc >::make(), llvm::ARMTargetLowering::makeDMB(), shuffles::mask(), llvm::MCObjectStreamer::newSpecialFragment(), llvm::FileCheckPatternContext::Pattern, llvm::thread::thread(), llvm::thread::thread(), writeWholeProgramDevirtResolutionByArg(), llvm::zip(), llvm::zip_equal(), llvm::zip_first(), llvm::zip_longest(), and llvm::detail::zippy< ItType, Args >::zippy().

false

nvptx lower Lower false

Definition at line 92 of file NVPTXLowerArgs.cpp.