[PATCH] D45823: [X86] Fix Update Kill Register in Avoid SFB Pass - Bug 37153

[Lama via Phabricator via llvm-commits]

lsaba created this revision.
lsaba added reviewers: craig.topper, thegameg, RKSimon.

Reset the Kill flag to false for the newly created small load/store instructions, except for the last created load/store which should have the original kill flag status.


Repository:
  rL LLVM

https://reviews.llvm.org/D45823

Files:
  lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp
  test/CodeGen/X86/avoid-sfb-kill-flags.mir
  test/CodeGen/X86/avoid-sfb-overlaps.ll
  test/CodeGen/X86/avoid-sfb.ll

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