[all-commits] [llvm/llvm-project] 1c874b: [RISCV] Don't promote f16/bf16 SELECT with Zfhmin/...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1c874bbbd67c5795113fa307512ea514f06dac29
      https://github.com/llvm/llvm-project/commit/1c874bbbd67c5795113fa307512ea514f06dac29
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-09-03 (Tue, 03 Sep 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoZfbfmin.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoZfh.td
    M llvm/test/CodeGen/RISCV/bfloat-select-fcmp.ll
    M llvm/test/CodeGen/RISCV/bfloat-select-icmp.ll
    M llvm/test/CodeGen/RISCV/half-select-fcmp.ll
    M llvm/test/CodeGen/RISCV/half-select-icmp.ll

  Log Message:
  -----------
  [RISCV] Don't promote f16/bf16 SELECT with Zfhmin/Zfbfmin. (#107138)

Select only needs branches and moves so we don't need to promote it.
Promoting would canonicalize NaNs which select shouldn't do.



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