[PATCH] D110076: [AMDGPU][GlobalISel] Code quality: Combine V_RSQ

[Mateja Marjanovic via Phabricator via llvm-commits]

matejam updated this revision to Diff 384418.
matejam added a comment.

Added implementation for all possible cases which should be combined into rsq (rcp(sqrt(x)), sqrt(rcp(x)), 1/sqrt(x), sqrt(1/x)).


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110076/new/

https://reviews.llvm.org/D110076

Files:
  llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
  llvm/lib/Target/AMDGPU/AMDGPUCombine.td
  llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
  llvm/lib/Target/AMDGPU/AMDGPUPostLegalizerCombiner.cpp
  llvm/lib/Target/AMDGPU/CaymanInstructions.td
  llvm/lib/Target/AMDGPU/EvergreenInstructions.td
  llvm/lib/Target/AMDGPU/R600Instructions.td
  llvm/lib/Target/AMDGPU/SIInstructions.td
  llvm/test/CodeGen/AMDGPU/GlobalISel/combine-rsq.mir

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D110076.384418.patch
Type: text/x-patch
Size: 10567 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20211103/ac4cefa0/attachment.bin>