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cleanup/simplify

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llvm-svn: 80706
This commit is contained in:
Chris Lattner 2009-09-01 18:50:55 +00:00
parent 75b2b04e1e
commit 3d920b6bee
1 changed files with 13 additions and 17 deletions
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30
lib/Transforms/IPO/StructRetPromotion.cpp
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@ -322,7 +322,7 @@ CallGraphNode *SRETPromotion::updateCallSites(Function *F, Function *NF) {
// Update the callgraph to know that the callsite has been transformed.
CG[Call->getParent()->getParent()]->replaceCallSite(Call, New, NF_CGN);
// Update all users of sret parameter to extract value using extractvalue.
for (Value::use_iterator UI = FirstCArg->use_begin(),
UE = FirstCArg->use_end(); UI != UE; ) {
@ -331,23 +331,19 @@ CallGraphNode *SRETPromotion::updateCallSites(Function *F, Function *NF) {
if (C2 && (C2 == Call))
continue;
if (GetElementPtrInst *UGEP = dyn_cast<GetElementPtrInst>(U2)) {
ConstantInt *Idx = dyn_cast<ConstantInt>(UGEP->getOperand(2));
assert (Idx && "Unexpected getelementptr index!");
Value *GR = ExtractValueInst::Create(New, Idx->getZExtValue(),
"evi", UGEP);
while(!UGEP->use_empty()) {
// isSafeToUpdateAllCallers has checked that all GEP uses are
// LoadInsts
LoadInst *L = cast<LoadInst>(*UGEP->use_begin());
L->replaceAllUsesWith(GR);
L->eraseFromParent();
}
UGEP->eraseFromParent();
continue;
GetElementPtrInst *UGEP = cast<GetElementPtrInst>(U2);
ConstantInt *Idx = cast<ConstantInt>(UGEP->getOperand(2));
Value *GR = ExtractValueInst::Create(New, Idx->getZExtValue(),
"evi", UGEP);
while(!UGEP->use_empty()) {
// isSafeToUpdateAllCallers has checked that all GEP uses are
// LoadInsts
LoadInst *L = cast<LoadInst>(*UGEP->use_begin());
L->replaceAllUsesWith(GR);
L->eraseFromParent();
}
assert(0 && "Unexpected sret parameter use");
UGEP->eraseFromParent();
continue;
}
Call->eraseFromParent();
}