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It is enough for the CallInst to have no uses to be made a tail call with a ret

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void; it doesn't need to have a void type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128212 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich 2011-03-24 15:54:11 +00:00
parent 52e37df8c0
commit dc31cfeb74
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -644,7 +644,7 @@ bool CodeGenPrepare::DupRetToEnableTailCallOpts(ReturnInst *RI) {
if (++RI == RE)
continue;
CallInst *CI = dyn_cast<CallInst>(&*RI);
if (CI && CI->getType()->isVoidTy() && TLI->mayBeEmittedAsTailCall(CI))
if (CI && CI->use_empty() && TLI->mayBeEmittedAsTailCall(CI))
TailCalls.push_back(CI);
}
}