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Commit f35bcea1 authored by Guozhi Wei's avatar Guozhi Wei
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[X86FixupLEAs] Sub register usage of LEA dest should block LEA/SUB optimization 

In function searchALUInst, sub register usage of LEA dest should also block LEA/SUB optimization, otherwise the sub register usage gets an undefined value.

This patch fixes https://bugs.llvm.org/show_bug.cgi?id=50615.

Differential Revision: https://reviews.llvm.org/D103922
parent f84dbd2f
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