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Richard Sandiford
a7be36c8eb
[DAGCombiner] Respect volatility when checking for aliases
Making useAA() default to true for SystemZ showed that the combiner alias analysis wasn't handling volatile accesses. This hit many of the SystemZ tests, but I arbitrarily picked one for the purpose of this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193518 91177308-0d34-0410-b5e6-96231b3b80d8
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