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...ullptr), behavior should be unchanged. - Otherwise, isUnsafeMemoryObject should not test for identified objects. - A minimal patch appears at the end of this email. Thanks, Nick Johnson D. E. Shaw Research diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 390b6d2..fcf43ca 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -475,7 +475,8 @@ static inline bool isGlobalMemoryObject(AliasAnalysis *AA, MachineInstr *MI) { // to deal with (i.e. volatile object). static inline bool isUnsafeMemoryObject(MachineInstr *MI,...