TruncInstCombine.cpp File Reference

#include "AggressiveInstCombineInternal.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/IRBuilder.h"

Include dependency graph for TruncInstCombine.cpp:

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Macros
#define	DEBUG_TYPE   "aggressive-instcombine"

Functions
static void	getRelevantOperands (Instruction *I, SmallVectorImpl< Value *> &Ops)
	Given an instruction and a container, it fills all the relevant operands of that instruction, with respect to the Trunc expression dag optimizaton. More...
static Type *	getReducedType (Value *V, Type *Ty)
	Given a reduced scalar type Ty and a V value, return a reduced type for V, according to its type, if it vector type, return the vector version of Ty, otherwise return Ty. More...

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "aggressive-instcombine"

Definition at line 38 of file TruncInstCombine.cpp.

Function Documentation

getReducedType()

static Type* getReducedType ( Value *  V, Type *  Ty  )

static

Given a reduced scalar type Ty and a V value, return a reduced type for V, according to its type, if it vector type, return the vector version of Ty, otherwise return Ty.

Definition at line 278 of file TruncInstCombine.cpp.

References llvm::MCID::Add, assert(), C, llvm::ConstantFoldConstant(), llvm::IRBuilder< T, Inserter >::CreateBinOp(), llvm::IRBuilder< T, Inserter >::CreateIntCast(), E, llvm::Instruction::eraseFromParent(), llvm::find(), llvm::VectorType::get(), llvm::ConstantExpr::getIntegerCast(), llvm::Instruction::getOpcode(), llvm::User::getOperand(), llvm::Value::getType(), I, Info, llvm::Type::isVectorTy(), llvm_unreachable, llvm::Value::replaceAllUsesWith(), and llvm::Value::takeName().

getRelevantOperands()

static void getRelevantOperands ( Instruction *  I, SmallVectorImpl< Value *> &  Ops  )

static

Given an instruction and a container, it fills all the relevant operands of that instruction, with respect to the Trunc expression dag optimizaton.

Definition at line 42 of file TruncInstCombine.cpp.

References llvm::MCID::Add, assert(), llvm::SmallVectorTemplateCommon< T >::back(), llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::dyn_cast(), llvm::SmallVectorBase::empty(), llvm::IntegerType::get(), llvm::Type::getContext(), llvm::Value::getContext(), llvm::Instruction::getOpcode(), llvm::User::getOperand(), llvm::Type::getScalarSizeInBits(), llvm::DataLayout::getSmallestLegalIntType(), llvm::Value::getType(), llvm::Value::hasOneUse(), I, Info, llvm::DataLayout::isLegalInteger(), llvm::Type::isVectorTy(), llvm_unreachable, llvm::max(), llvm::SmallVectorTemplateBase< T, bool >::pop_back(), llvm::SmallVectorTemplateBase< T >::pop_back(), llvm::SmallVectorTemplateBase< T >::push_back(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::Value::users().