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AMDGPU: Remove dead code and redundant check

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Non intrinsic calls aren't really handled, and this
IntrinsicInst dyn_cast checks for the function for us.

llvm-svn: 275868
This commit is contained in:
Matt Arsenault 2016-07-18 18:34:48 +00:00
parent faeac4f290
commit e38c89d8d7
1 changed files with 1 additions and 27 deletions
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28
lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp
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@ -477,11 +477,6 @@ static bool tryPromoteAllocaToVector(AllocaInst *Alloca) {
}
static bool isCallPromotable(CallInst *CI) {
// TODO: We might be able to handle some cases where the callee is a
// constantexpr bitcast of a function.
if (!CI->getCalledFunction())
return false;
IntrinsicInst *II = dyn_cast<IntrinsicInst>(CI);
if (!II)
return false;
@ -773,28 +768,7 @@ void AMDGPUPromoteAlloca::handleAlloca(AllocaInst &I) {
continue;
}
IntrinsicInst *Intr = dyn_cast<IntrinsicInst>(Call);
if (!Intr) {
// FIXME: What is this for? It doesn't make sense to promote arbitrary
// function calls. If the call is to a defined function that can also be
// promoted, we should be able to do this once that function is also
// rewritten.
std::vector<Type*> ArgTypes;
for (unsigned ArgIdx = 0, ArgEnd = Call->getNumArgOperands();
ArgIdx != ArgEnd; ++ArgIdx) {
ArgTypes.push_back(Call->getArgOperand(ArgIdx)->getType());
}
Function *F = Call->getCalledFunction();
FunctionType *NewType = FunctionType::get(Call->getType(), ArgTypes,
F->isVarArg());
Constant *C = Mod->getOrInsertFunction((F->getName() + ".local").str(),
NewType, F->getAttributes());
Function *NewF = cast<Function>(C);
Call->setCalledFunction(NewF);
continue;
}
IntrinsicInst *Intr = cast<IntrinsicInst>(Call);
Builder.SetInsertPoint(Intr);
switch (Intr->getIntrinsicID()) {
case Intrinsic::lifetime_start: