ConstantFolding.cpp File Reference

#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/APSInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/TargetFolder.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/Config/config.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/IntrinsicsWebAssembly.h"
#include "llvm/IR/IntrinsicsX86.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/MathExtras.h"
#include <cassert>
#include <cerrno>
#include <cfenv>
#include <cmath>
#include <cstdint>

Include dependency graph for ConstantFolding.cpp:

Go to the source code of this file.

Functions
Constant *	getConstantAtOffset (Constant *Base, APInt Offset, const DataLayout &DL)
	If this Offset points exactly to the start of an aggregate element, return that element, otherwise return nullptr. More...
Constant *	FlushFPConstant (Constant *Operand, const llvm::Function *F, bool IsOutput)

Function Documentation

FlushFPConstant()

Constant* FlushFPConstant	(	Constant *	Operand,
		const llvm::Function *	F,
		bool	IsOutput
	)

Definition at line 1350 of file ConstantFolding.cpp.

References F, llvm::ConstantFP::get(), llvm::Type::getContext(), llvm::Type::getFltSemantics(), llvm::APFloat::getZero(), llvm::DenormalMode::IEEE, llvm::DenormalMode::Input, llvm::APFloat::isDenormal(), llvm::APFloat::isNegative(), llvm_unreachable, Mode, llvm::DenormalMode::Output, llvm::DenormalMode::PositiveZero, and llvm::DenormalMode::PreserveSign.

Referenced by llvm::ConstantFoldFPInstOperands().

getConstantAtOffset()

Constant* getConstantAtOffset	(	Constant *	Base,
		APInt	Offset,
		const DataLayout &	DL
	)

If this Offset points exactly to the start of an aggregate element, return that element, otherwise return nullptr.

Definition at line 671 of file ConstantFolding.cpp.

References llvm::sampleprof::Base, DL, and llvm::drop_begin().

Referenced by llvm::ConstantFoldLoadFromConst().