llvm::Negator Class Reference

#include "Transforms/InstCombine/InstCombineInternal.h"

Static Public Member Functions
static Value *	Negate (bool LHSIsZero, bool IsNSW, Value *Root, InstCombinerImpl &IC)
	Attempt to negate Root.

Detailed Description

Definition at line 777 of file InstCombineInternal.h.

Member Function Documentation

Negate()

Value * Negator::Negate ( bool  LHSIsZero, bool  IsNSW, Value *  Root, InstCombinerImpl &  IC  )

static

Attempt to negate Root.

Retuns nullptr if negation can't be performed, otherwise returns negated value.

Definition at line 535 of file InstCombineNegator.cpp.

References llvm::InstCombiner::Builder, llvm::IRBuilderBase::ClearInsertionPoint(), llvm::dbgs(), llvm::Value::getContext(), llvm::InstCombiner::getDataLayout(), llvm::InstCombiner::getDominatorTree(), I, llvm::IRBuilderBase::Insert(), LLVM_DEBUG, N, NegatorEnabled, llvm::IRBuilderBase::SetCurrentDebugLocation(), and llvm::DebugCounter::shouldExecute().

Referenced by llvm::InstCombinerImpl::visitMul(), and llvm::InstCombinerImpl::visitSub().

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The documentation for this class was generated from the following files:

• lib/Transforms/InstCombine/InstCombineInternal.h
• lib/Transforms/InstCombine/InstCombineNegator.cpp