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constify the cost API 

llvm-svn: 169172
This commit is contained in:
Nadav Rotem 2012-12-03 22:47:12 +00:00
parent fad16be973
commit ce5db0fa3f
1 changed files with 7 additions and 7 deletions
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14
llvm/lib/Analysis/CostModel.cpp
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@ -40,7 +40,7 @@ namespace {
/// Returns -1 if the cost is unknown.
/// Note, this method does not cache the cost calculation and it
/// can be expensive in some cases.
unsigned getInstructionCost(Instruction *I) const;
unsigned getInstructionCost(const Instruction *I) const;
private:
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
@ -82,7 +82,7 @@ CostModelAnalysis::runOnFunction(Function &F) {
return false;
}
unsigned CostModelAnalysis::getInstructionCost(Instruction *I) const {
unsigned CostModelAnalysis::getInstructionCost(const Instruction *I) const {
if (!VTTI)
return -1;
@ -113,7 +113,7 @@ unsigned CostModelAnalysis::getInstructionCost(Instruction *I) const {
return VTTI->getArithmeticInstrCost(I->getOpcode(), I->getType());
}
case Instruction::Select: {
SelectInst *SI = cast<SelectInst>(I);
const SelectInst *SI = cast<SelectInst>(I);
Type *CondTy = SI->getCondition()->getType();
return VTTI->getCmpSelInstrCost(I->getOpcode(), I->getType(), CondTy);
}
@ -123,14 +123,14 @@ unsigned CostModelAnalysis::getInstructionCost(Instruction *I) const {
return VTTI->getCmpSelInstrCost(I->getOpcode(), ValTy);
}
case Instruction::Store: {
StoreInst *SI = cast<StoreInst>(I);
const StoreInst *SI = cast<StoreInst>(I);
Type *ValTy = SI->getValueOperand()->getType();
return VTTI->getMemoryOpCost(I->getOpcode(), ValTy,
SI->getAlignment(),
SI->getPointerAddressSpace());
}
case Instruction::Load: {
LoadInst *LI = cast<LoadInst>(I);
const LoadInst *LI = cast<LoadInst>(I);
return VTTI->getMemoryOpCost(I->getOpcode(), I->getType(),
LI->getAlignment(),
LI->getPointerAddressSpace());
@ -151,7 +151,7 @@ unsigned CostModelAnalysis::getInstructionCost(Instruction *I) const {
return VTTI->getCastInstrCost(I->getOpcode(), I->getType(), SrcTy);
}
case Instruction::ExtractElement: {
ExtractElementInst * EEI = cast<ExtractElementInst>(I);
const ExtractElementInst * EEI = cast<ExtractElementInst>(I);
ConstantInt *CI = dyn_cast<ConstantInt>(I->getOperand(1));
unsigned Idx = -1;
if (CI)
@ -160,7 +160,7 @@ unsigned CostModelAnalysis::getInstructionCost(Instruction *I) const {
EEI->getOperand(0)->getType(), Idx);
}
case Instruction::InsertElement: {
InsertElementInst * IE = cast<InsertElementInst>(I);
const InsertElementInst * IE = cast<InsertElementInst>(I);
ConstantInt *CI = dyn_cast<ConstantInt>(IE->getOperand(2));
unsigned Idx = -1;
if (CI)