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Let StructRetPromotion check if all if its users are really calls or invokesn,

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not other instructions. This fixes a crash with the added testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51992 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthijs Kooijman
2008-06-05 08:57:20 +00:00
parent 257da0a7fc
commit 47c6fd7317
2 changed files with 24 additions and 0 deletions
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4
lib/Transforms/IPO/StructRetPromotion.cpp
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@ -165,6 +165,10 @@ bool SRETPromotion::isSafeToUpdateAllCallers(Function *F) {
CallSite CS = CallSite::get(*FnUseI);
Instruction *Call = CS.getInstruction();
// The function is used by something else than a call or invoke instruction,
// we can't change it!
if (!Call)
return false;
CallSite::arg_iterator AI = CS.arg_begin();
Value *FirstArg = *AI;