[PATCH] D136592: [AMDGPU][GISel] Select llvm.amdgcn.fcmp intrinsics

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh created this revision.
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- Add a RegBankCombine to transform the TRUE/FALSE FP CCs into simple constants for less complicated codegen.
- Merges icmp/fcmp intrinsics select functions
- Adds FP CCs opcodes/selection logic, including src mods selection

Depends on D136591 <https://reviews.llvm.org/D136591>, D136448 <https://reviews.llvm.org/D136448>
Resolves #58326 (https://github.com/llvm/llvm-project/issues/58326)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136592

Files:
  llvm/lib/Target/AMDGPU/AMDGPUCombine.td
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
  llvm/lib/Target/AMDGPU/AMDGPURegBankCombiner.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankcombiner-fcmp-to-const.mir
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.fcmp.ll

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