Chen Zheng ed46e84c7a [MachineInstr] exclude call instruction in mayAlias ...

we now get noAlias result for a call instruction and other
load/store/call instructions if we query mayAlias.
This is not right as call instruction is not with mayloadorstore,
but it may alter the memory.

This patch fixes this wrong alias query.

Differential Revision: https://reviews.llvm.org/D87490

2020-10-07 00:12:21 -04:00

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