[all-commits] [llvm/llvm-project] a73528: [AMDGPU] Simplify exec copies

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a73528649c85dabbe22fbd27ee6e1d65bbabad14
      https://github.com/llvm/llvm-project/commit/a73528649c85dabbe22fbd27ee6e1d65bbabad14
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2020-03-12 (Thu, 12 Mar 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp
    M llvm/test/CodeGen/AMDGPU/collapse-endcf.ll

  Log Message:
  -----------
  [AMDGPU] Simplify exec copies

The patch removes late endcf handling and only leaves the
related portion with redundant exec mask copy elimination.

Differential Revision: https://reviews.llvm.org/D76095