ConstantRange.cpp File Reference

#include "llvm/ADT/APInt.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Operator.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstdint>

Include dependency graph for ConstantRange.cpp:

Go to the source code of this file.

Functions
static ConstantRange	makeExactMulNUWRegion (const APInt &V)
	Exact mul nuw region for single element RHS. More...
static ConstantRange	makeExactMulNSWRegion (const APInt &V)
	Exact mul nsw region for single element RHS. More...
static ConstantRange	getPreferredRange (const ConstantRange &CR1, const ConstantRange &CR2, ConstantRange::PreferredRangeType Type)

Function Documentation

getPreferredRange()

static ConstantRange getPreferredRange ( const ConstantRange &  CR1, const ConstantRange &  CR2, ConstantRange::PreferredRangeType  Type  )

static

Definition at line 443 of file ConstantRange.cpp.

References llvm::ConstantRange::isSignWrappedSet(), llvm::ConstantRange::isSizeStrictlySmallerThan(), llvm::ConstantRange::isWrappedSet(), llvm::ConstantRange::Signed, and llvm::ConstantRange::Unsigned.

Referenced by llvm::ConstantRange::intersectWith(), and llvm::ConstantRange::unionWith().

makeExactMulNSWRegion()

static ConstantRange makeExactMulNSWRegion ( const APInt &  V )

static

Exact mul nsw region for single element RHS.

Definition at line 198 of file ConstantRange.cpp.

References llvm::BitWidth, llvm::APInt::DOWN, llvm::APInt::getBitWidth(), llvm::APInt::getSignedMaxValue(), llvm::APInt::getSignedMinValue(), llvm::APInt::isAllOnesValue(), llvm::APInt::isNegative(), llvm::APInt::isOneValue(), llvm::LegalizeActions::Lower, llvm::APIntOps::RoundingSDiv(), llvm::APInt::UP, and llvm::Upper.

Referenced by llvm::ConstantRange::makeGuaranteedNoWrapRegion().

makeExactMulNUWRegion()

static ConstantRange makeExactMulNUWRegion ( const APInt &  V )

static

Exact mul nuw region for single element RHS.

Definition at line 185 of file ConstantRange.cpp.

References llvm::BitWidth, llvm::APInt::DOWN, llvm::APInt::getBitWidth(), llvm::APInt::getMaxValue(), llvm::APInt::getMinValue(), llvm::ConstantRange::getNonEmpty(), llvm::APIntOps::RoundingUDiv(), and llvm::APInt::UP.

Referenced by llvm::ConstantRange::makeGuaranteedNoWrapRegion().