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prevent DCE of vaarg intrinsics. This should take care of most regressions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22263 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2005-06-19 14:41:20 +00:00
parent 017fba9d0f
commit 94cd87f658
1 changed files with 0 additions and 2 deletions
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lib/Transforms/Utils/Local.cpp
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@ -381,8 +381,6 @@ bool llvm::isInstructionTriviallyDead(Instruction *I) {
if (Function *F = CI->getCalledFunction()) if (Function *F = CI->getCalledFunction())
switch (F->getIntrinsicID()) { switch (F->getIntrinsicID()) {
default: break; default: break;
case Intrinsic::vastart:
case Intrinsic::vacopy:
case Intrinsic::returnaddress: case Intrinsic::returnaddress:
case Intrinsic::frameaddress: case Intrinsic::frameaddress:
case Intrinsic::isunordered: case Intrinsic::isunordered: