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Treat free operations as volatile, since they cannot be moved. This fixes

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Transforms/LICM/2005-03-24-LICM-Aggregate-Crash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20830 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-25 05:49:37 +00:00
parent a92076d475
commit 2958eeabcf
1 changed files with 3 additions and 0 deletions
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3
lib/Analysis/AliasSetTracker.cpp
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@ -288,6 +288,9 @@ bool AliasSetTracker::add(FreeInst *FI) {
bool NewPtr;
AliasSet &AS = addPointer(FI->getOperand(0), ~0,
AliasSet::Mods, NewPtr);
// Free operations are volatile ops (cannot be moved).
AS.setVolatile();
return NewPtr;
}