[PATCH] D96047: [AMDGPU][GlobalISel] Use scalar min/max instructions

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
foad added reviewers: arsenm, Petar.Avramovic, mbrkusanin.
Herald added subscribers: kerbowa, hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, nhaehnle, jvesely, kzhuravl.
foad requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

SALU min/max s32 instructions exist so use them. This means that
regbankselect can handle min/max much like add/sub/mul/shifts.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D96047

Files:
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-smax.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-smin.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-umax.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-umin.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/saddsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/uaddsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/usubsat.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D96047.321449.patch
Type: text/x-patch
Size: 265971 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210204/54adbe6c/attachment-0001.bin>