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* If a function does a volatile load from a global constant, do notDuncan Sands2010-10-301-0/+10
consider it to be readonly. In fact, don't even consider it to be readonly if it does a volatile load from an AllocaInst either (it is debatable as to whether readonly would be correct or not in this case; play safe for the moment). This fixes PR8279. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117783 91177308-0d34-0410-b5e6-96231b3b80d8