[all-commits] [llvm/llvm-project] 5ebe91: [AMDGPU] Correctly set IsKill flag for VGPR spills...

[Christudasan Devadasan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5ebe91fcb2a19ca58bb7a2ef97e8a33a85f3ce77
      https://github.com/llvm/llvm-project/commit/5ebe91fcb2a19ca58bb7a2ef97e8a33a85f3ce77
  Author: Christudasan Devadasan <Christudasan.Devadasan at amd.com>
  Date:   2022-12-17 (Sat, 17 Dec 2022)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
    M llvm/test/CodeGen/AMDGPU/av_spill_cross_bb_usage.mir
    M llvm/test/CodeGen/AMDGPU/csr-sgpr-spill-live-ins.mir
    M llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-carry-out.mir
    M llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-gfx9.mir
    M llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr.mir
    M llvm/test/CodeGen/AMDGPU/pei-scavenge-vgpr-spill.mir
    M llvm/test/CodeGen/AMDGPU/spill-reg-tuple-super-reg-use.mir
    A llvm/test/CodeGen/AMDGPU/track-spilled-vgpr-liveness.mir
    M llvm/test/CodeGen/AMDGPU/use_restore_frame_reg.mir

  Log Message:
  -----------
  [AMDGPU] Correctly set IsKill flag for VGPR spills in the prolog

We always assume the vector register is dead or killed while
inserting the VGPR spills in the prolog. It is not always
true. Used the entry block liveIn data while setting the flag.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D124194