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Simplify dead code into a fixme :)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20800 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-24 02:41:19 +00:00
parent c4417f98e5
commit 62da315c85
1 changed files with 4 additions and 13 deletions
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17
lib/Analysis/IPA/GlobalsModRef.cpp
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@ -280,19 +280,10 @@ void GlobalsModRef::AnalyzeSCC(std::vector<CallGraphNode *> &SCC) {
ModRefBehavior MRB =
AliasAnalysis::getModRefBehavior(Callee, CallSite());
if (MRB != DoesNotAccessMemory) {
if (MRB == OnlyReadsMemory && CalleeFR) {
// This reads memory, but we don't know what, just say that it
// reads all globals.
for (std::map<GlobalValue*, unsigned>::iterator
GI = CalleeFR->GlobalInfo.begin(),
E = CalleeFR->GlobalInfo.end();
GI != E; ++GI)
FR.GlobalInfo[GI->first] |= Ref;
} else {
CallsExternal = true;
break;
}
// FIXME: could make this more aggressive for functions that just
// read memory. We should just say they read all globals.
CallsExternal = true;
break;
}
}
} else {