[PATCH] D57026: [X86][BtVer2] SSE2 vector shifts has local forwarding disabled

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: andreadb, spatel.
Herald added a subscriber: gbedwell.

Similar to horizontal ops on D56777 <https://reviews.llvm.org/D56777>, the sse2 (but not mmx) bit shift ops has local forwarding disabled, adding +1cy to the use latency for the result.


Repository:
  rL LLVM

https://reviews.llvm.org/D57026

Files:
  lib/Target/X86/X86ScheduleBtVer2.td
  test/CodeGen/X86/sse2-schedule.ll
  test/tools/llvm-mca/X86/BtVer2/resources-avx1.s
  test/tools/llvm-mca/X86/BtVer2/resources-sse2.s

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