RISCVPromoteConstant.cpp File Reference

#include "RISCV.h"
#include "RISCVSubtarget.h"
#include "RISCVTargetMachine.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Analysis.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "riscv-promote-constant"
#define	RISCV_PROMOTE_CONSTANT_NAME   "RISC-V Promote Constants"

Functions
	STATISTIC (NumPromoted, "Number of constant literals promoted to globals")
	STATISTIC (NumPromotedUses, "Number of uses of promoted literal constants")
	INITIALIZE_PASS (RISCVPromoteConstantLegacy, DEBUG_TYPE, RISCV_PROMOTE_CONSTANT_NAME, false, false) ModulePass *llvm
static bool	promotConstantsInFunction (Function &F, const RISCVTargetLowering *TLI)
static bool	promoteConstantsInModule (Module &M, const TargetMachine &TM)
	Iterate over the functions and promote the double fp constants that would otherwise go into the constant pool to a constant array.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "riscv-promote-constant"

Definition at line 38 of file RISCVPromoteConstant.cpp.

RISCV_PROMOTE_CONSTANT_NAME

#define RISCV_PROMOTE_CONSTANT_NAME   "RISC-V Promote Constants"

Definition at line 39 of file RISCVPromoteConstant.cpp.

Referenced by INITIALIZE_PASS().

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	RISCVPromoteConstantLegacy	,
		DEBUG_TYPE	,
		RISCV_PROMOTE_CONSTANT_NAME	,
		false	,
		false	)

Definition at line 64 of file RISCVPromoteConstant.cpp.

References llvm::createRISCVPromoteConstantLegacyPass(), DEBUG_TYPE, and RISCV_PROMOTE_CONSTANT_NAME.

promotConstantsInFunction()

bool promotConstantsInFunction ( Function & F, const RISCVTargetLowering * TLI )

static

Definition at line 71 of file RISCVPromoteConstant.cpp.

References llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::at(), C(), llvm::cast(), llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::count(), llvm::dbgs(), llvm::dyn_cast(), F, llvm::ArrayType::get(), llvm::ConstantArray::get(), llvm::Function::getAttributes(), llvm::Type::getDoubleTy(), llvm::BasicBlock::getFirstInsertionPt(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::BasicBlock::getTerminator(), I, II, instructions, llvm::GlobalValue::InternalLinkage, llvm::isa(), llvm::TargetLoweringBase::isFPImmLegal(), llvm::TargetLoweringBase::isTypeLegal(), LLVM_DEBUG, llvm::MapVector< KeyT, ValueT, MapType, VectorType, N >::size(), and Uses.

Referenced by promoteConstantsInModule().

promoteConstantsInModule()

bool promoteConstantsInModule ( Module & M, const TargetMachine & TM )

static

Iterate over the functions and promote the double fp constants that would otherwise go into the constant pool to a constant array.

Definition at line 201 of file RISCVPromoteConstant.cpp.

References Changed, F, llvm::TargetMachine::getSubtarget(), and promotConstantsInFunction().

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

STATISTIC() [1/2]

STATISTIC	(	NumPromoted	,
		"Number of constant literals promoted to globals"	)

STATISTIC() [2/2]

STATISTIC	(	NumPromotedUses	,
		"Number of uses of promoted literal constants"	)