[all-commits] [llvm/llvm-project] 7006bb: [GlobalISel] Enable copy-propagation in post-legal...

[AE via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 7006bb69efb04f32e0a666e8a74f85d7fa745981
      https://github.com/llvm/llvm-project/commit/7006bb69efb04f32e0a666e8a74f85d7fa745981
  Author: Amara Emerson <amara at apple.com>
  Date:   2020-08-15 (Sat, 15 Aug 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64Combine.td
    M llvm/test/CodeGen/AArch64/GlobalISel/combine-sext-trunc-sextload.mir
    A llvm/test/CodeGen/AArch64/GlobalISel/postlegalizer-combiner-copy-prop.mir

  Log Message:
  -----------
  [GlobalISel] Enable copy-propagation in post-legalizer combiner.

This cleans up copies that the legalizer or other combines leave around. They
can occasionally end up escaping as moves.

Differential Revision: https://reviews.llvm.org/D85964