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Handle multiple return values.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47904 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2008-03-04 21:15:15 +00:00
parent a76e2f0331
commit dc00d42bb1
2 changed files with 41 additions and 3 deletions
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18
lib/Transforms/Utils/InlineFunction.cpp
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@ -442,9 +442,21 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD) {
// If the return instruction returned a value, replace uses of the call with
// uses of the returned value.
if (!TheCall->use_empty())
TheCall->replaceAllUsesWith(Returns[0]->getReturnValue());
if (!TheCall->use_empty()) {
ReturnInst *R = Returns[0];
if (R->getNumOperands() > 1) {
// Multiple return values.
for (Value::use_iterator RUI = TheCall->use_begin(),
RUE = TheCall->use_end(); RUI != RUE; ) {
GetResultInst *GR = dyn_cast<GetResultInst>(RUI++);
assert (GR && "Invalid Call instruction use!");
Value *RV = R->getOperand(GR->getIndex());
GR->replaceAllUsesWith(RV);
GR->eraseFromParent();
}
} else
TheCall->replaceAllUsesWith(R->getReturnValue());
}
// Since we are now done with the Call/Invoke, we can delete it.
TheCall->getParent()->getInstList().erase(TheCall);