[PATCH] D140208: [AMDGPU] Improved wide multiplies

[Jessica Del via Phabricator via llvm-commits]

OutOfCache updated this revision to Diff 487744.
OutOfCache marked 9 inline comments as done.
OutOfCache added a comment.

- [GISel] Adding KnownBitsAnalysis to Legalizer
- [AMDGPU] Wide multiplies with Known Bits Analysis
- [AMDGPU] Improved wide multiplies tests
- [GISel/AMDGPU] caching results of `isZero()`
- [AMDGPU] Inlining conditions in buildMultiply
- [AMDGPU] Removing redundant zero-check for mults

- Rebasing after D140907 <https://reviews.llvm.org/D140907> landed
- Addressing comments


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140208/new/

https://reviews.llvm.org/D140208

Files:
  llvm/include/llvm/CodeGen/GlobalISel/Legalizer.h
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/mul-known-bits.i64.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i64.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i64.ll
  llvm/unittests/CodeGen/GlobalISel/LegalizerTest.cpp

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