NVVMReflect.cpp File Reference

#include "NVPTX.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_os_ostream.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include <algorithm>
#include <sstream>
#include <string>

Go to the source code of this file.

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

Macros
#define	NVVM_REFLECT_FUNCTION   "__nvvm_reflect"
#define	NVVM_REFLECT_OCL_FUNCTION   "__nvvm_reflect_ocl"
#define	DEBUG_TYPE   "nvptx-reflect"

Functions
void	llvm::initializeNVVMReflectPass (PassRegistry &)
	INITIALIZE_PASS (NVVMReflect, "nvvm-reflect", "Replace occurrences of __nvvm_reflect() calls with 0/1", false, false) static bool runNVVMReflect(Function &F
	if (F.getName()==NVVM_REFLECT_FUNCTION||F.getName()==NVVM_REFLECT_OCL_FUNCTION)
	for (Instruction &I :instructions(F))
	while (!ToSimplify.empty())
ToRemove	erase (NewLastIter, ToRemove.end())
	for (Instruction *I :ToRemove) I -> eraseFromParent()
return ToRemove	size () > 0

Variables
static cl::opt< bool >	NVVMReflectEnabled ("nvvm-reflect-enable", cl::init(true), cl::Hidden, cl::desc("NVVM reflection, enabled by default"))
unsigned	SmVersion
SmallVector< Instruction *, 4 >	ToRemove
SmallVector< Instruction *, 4 >	ToSimplify
auto	NewLastIter = llvm::unique(ToRemove)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "nvptx-reflect"

Definition at line 50 of file NVVMReflect.cpp.

NVVM_REFLECT_FUNCTION

#define NVVM_REFLECT_FUNCTION   "__nvvm_reflect"

Definition at line 45 of file NVVMReflect.cpp.

NVVM_REFLECT_OCL_FUNCTION

#define NVVM_REFLECT_OCL_FUNCTION   "__nvvm_reflect_ocl"

Definition at line 46 of file NVVMReflect.cpp.

Function Documentation

erase()

ToRemove erase	(	NewLastIter	,
		ToRemove.	end()
	)

Referenced by llvm::StringMap< ValueTy, AllocatorTy >::erase().

for() [1/2]

for

(

Instruction &I

:instructionsF

)

Definition at line 122 of file NVVMReflect.cpp.

References assert(), llvm::dbgs(), F, I, LLVM_DEBUG, NVVM_REFLECT_FUNCTION, NVVM_REFLECT_OCL_FUNCTION, llvm::StringRef::size(), SmVersion, llvm::StringRef::substr(), ToRemove, and ToSimplify.

for() [2/2]

for

(

Instruction *I :ToRemove

)

-> eraseFromParent()

if()

if

(

F.

getName() = = NVVM_REFLECT_FUNCTION || F.getName() == NVVM_REFLECT_OCL_FUNCTION

)

Definition at line 85 of file NVVMReflect.cpp.

References assert(), and F.

INITIALIZE_PASS()

INITIALIZE_PASS	(	NVVMReflect	,
		"nvvm-reflect"	,
		"Replace occurrences of __nvvm_reflect() calls with 0/1"	,
		false	,
		false
	)		&

size()

return ToRemove size

(

)

while()

while

(

!ToSimplify.

empty()

)

Definition at line 192 of file NVVMReflect.cpp.

References llvm::CallingConv::C, llvm::ConstantFoldInstruction(), llvm::ConstantFoldTerminator(), F, I, llvm::isInstructionTriviallyDead(), ToRemove, and ToSimplify.

Referenced by fixupIndexV4(), fixupIndexV5(), llvm::orc::JITDylib::getDFSLinkOrder(), llvm::mca::initializeUsedResources(), and rpmalloc_dump_statistics().

Variable Documentation

NewLastIter

auto NewLastIter = llvm::unique(ToRemove)

Definition at line 212 of file NVVMReflect.cpp.

NVVMReflectEnabled

cl::opt< bool > NVVMReflectEnabled("nvvm-reflect-enable", cl::init(true), cl::Hidden, cl::desc("NVVM reflection, enabled by default")) ( "nvvm-reflect-enable"  , cl::init(true)  , cl::Hidden  , cl::desc("NVVM reflection, enabled by default")    )

static

SmVersion

unsigned SmVersion

Initial value:

{
  if (!NVVMReflectEnabled)
    return false

Definition at line 81 of file NVVMReflect.cpp.

Referenced by llvm::createNVVMReflectPass(), for(), llvm::NVPTXSubtarget::hasAtomAddF64(), llvm::NVPTXSubtarget::hasAtomBitwise64(), llvm::NVPTXSubtarget::hasAtomMinMax64(), llvm::NVPTXSubtarget::hasAtomScope(), llvm::NVPTXSubtarget::hasBF16Math(), llvm::NVPTXSubtarget::hasDotInstructions(), llvm::NVPTXSubtarget::hasFP16Math(), llvm::NVPTXSubtarget::hasHWROT32(), llvm::NVPTXSubtarget::hasLDG(), llvm::NVPTXSubtarget::hasMemoryOrdering(), llvm::NVPTXSubtarget::hasNoReturn(), llvm::NVPTXSubtarget::hasRelaxedMMIO(), llvm::NVVMReflectPass::NVVMReflectPass(), PerformSETCCCombine(), and llvm::NVVMReflectPass::run().

ToRemove

SmallVector<Instruction *, 4> ToRemove

Definition at line 93 of file NVVMReflect.cpp.

Referenced by for(), and while().

ToSimplify

SmallVector<Instruction *, 4> ToSimplify

Definition at line 94 of file NVVMReflect.cpp.

Referenced by for(), runImpl(), simplifyLoopInst(), and while().