[all-commits] [llvm/llvm-project] b4e751: AMDGPU: Optimize set_rounding if input is known to...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b4e751e2ab0ff152ed18dea59ebf9691e963e1dd
      https://github.com/llvm/llvm-project/commit/b4e751e2ab0ff152ed18dea59ebf9691e963e1dd
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-05-03 (Fri, 03 May 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/llvm.set.rounding.ll

  Log Message:
  -----------
  AMDGPU: Optimize set_rounding if input is known to fit in 2 bits (#88588)

We don't need to figure out the weird extended rounding modes or
handle offsets to keep the lookup table in 64-bits.
    
https://reviews.llvm.org/D153258

Depends #88587



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