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Fix a bug in the safety analysis routine

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16804 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-10-07 06:01:25 +00:00
parent bc53e5e628
commit 3602549c3d
1 changed files with 3 additions and 3 deletions
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6
lib/Transforms/IPO/GlobalOpt.cpp
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@ -69,6 +69,9 @@ static bool AnalyzeGlobal(Value *V, GlobalStatus &GS,
if (isa<LoadInst>(I)) {
GS.isLoaded = true;
} else if (StoreInst *SI = dyn_cast<StoreInst>(I)) {
// Don't allow a store OF the address, only stores TO the address.
if (SI->getOperand(0) == V) return true;
// If this store is just storing the initializer into a global (i.e. not
// changing the value), ignore it. For now we just handle direct
// stores, no stores to fields of aggregates.
@ -239,9 +242,6 @@ bool GlobalOpt::runOnModule(Module &M) {
++NumMarked;
Changed = true;
} else if (!GS.isNotSuitableForSRA &&
!GV->getInitializer()->getType()->isFirstClassType()) {
//std::cerr << "COULD SRA: " << *GV;
}
}
}