[all-commits] [llvm/llvm-project] eab9a4: [AMDGPU] Don't assert on partial exec copy

[Austin Kerbow via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: eab9a4f1192a42ded26e6d7e6a0eb51ee8256ebb
      https://github.com/llvm/llvm-project/commit/eab9a4f1192a42ded26e6d7e6a0eb51ee8256ebb
  Author: Austin Kerbow <Austin.Kerbow at amd.com>
  Date:   2020-04-12 (Sun, 12 Apr 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp
    M llvm/test/CodeGen/AMDGPU/optimize-exec-masking-pre-ra.mir

  Log Message:
  -----------
  [AMDGPU] Don't assert on partial exec copy

After Machine CSE and coalescing we can end up with copies of exec to
subregister SGPRs.

Differential Revision: https://reviews.llvm.org/D77992