[all-commits] [llvm/llvm-project] ea9cd2: AMDGPU: Delete spills of undef values
Matt Arsenault via All-commits
all-commits at lists.llvm.org
Thu Dec 12 01:51:40 PST 2024
Branch: refs/heads/users/arsenm/amdgpu-delete-spills-of-undef-values
Home: https://github.com/llvm/llvm-project
Commit: ea9cd242330d6938eb3097192cc6e723b43c01fa
https://github.com/llvm/llvm-project/commit/ea9cd242330d6938eb3097192cc6e723b43c01fa
Author: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: 2024-12-12 (Thu, 12 Dec 2024)
Changed paths:
M llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
M llvm/test/CodeGen/AMDGPU/sgpr-spill-partially-undef.mir
M llvm/test/CodeGen/AMDGPU/spill-agpr-partially-undef.mir
M llvm/test/CodeGen/AMDGPU/vgpr-spill.mir
Log Message:
-----------
AMDGPU: Delete spills of undef values
It would be a bit more logical to preserve the undef and do the normal
expansion, but this is less work. This avoids verifier errors in a
future patch which starts deleting liveness from registers after
allocation failures which results in spills of undef values.
https://reviews.llvm.org/D122607
Commit: 8a05688cca3e32da6e2fe32e847818659881275b
https://github.com/llvm/llvm-project/commit/8a05688cca3e32da6e2fe32e847818659881275b
Author: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: 2024-12-12 (Thu, 12 Dec 2024)
Changed paths:
M llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
M llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
Log Message:
-----------
Move where undef sgpr spills are deleted
Compare: https://github.com/llvm/llvm-project/compare/ea9cd242330d%5E...8a05688cca3e
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