[PATCH] D30611: [x86] don't blindly transform SETB into SBB

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 91203.
spatel added a comment.

Patch updated (no code changes, but...):

1. Changed phantom test diffs to code comments to better track the cases where this transform still fires.
2. Rebased - we got more diffs from https://reviews.llvm.org/rL297249 and less from https://reviews.llvm.org/rL297404.


https://reviews.llvm.org/D30611

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/add-of-carry.ll
  test/CodeGen/X86/avx-intrinsics-fast-isel.ll
  test/CodeGen/X86/avx-intrinsics-x86.ll
  test/CodeGen/X86/avx512-insert-extract.ll
  test/CodeGen/X86/avx512-intrinsics.ll
  test/CodeGen/X86/ctpop-combine.ll
  test/CodeGen/X86/fast-isel-cmp.ll
  test/CodeGen/X86/peep-setb.ll
  test/CodeGen/X86/pr26350.ll
  test/CodeGen/X86/setcc.ll
  test/CodeGen/X86/sse41-intrinsics-fast-isel.ll
  test/CodeGen/X86/sse41-intrinsics-x86.ll
  test/CodeGen/X86/sse41.ll
  test/CodeGen/X86/sse42-intrinsics-fast-isel.ll
  test/CodeGen/X86/sse42-intrinsics-x86.ll

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