[all-commits] [llvm/llvm-project] 6b6958: [GlobalISel] Fall back for bf16 conversions. (#71470)

[Amara Emerson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6b695846602b2d6aa66e5aae2f5db8eceb4bd41b
      https://github.com/llvm/llvm-project/commit/6b695846602b2d6aa66e5aae2f5db8eceb4bd41b
  Author: Amara Emerson <amara at apple.com>
  Date:   2023-11-06 (Mon, 06 Nov 2023)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
    M llvm/test/CodeGen/AMDGPU/fmed3-cast-combine.ll
    M llvm/test/CodeGen/AMDGPU/llvm.exp.ll
    M llvm/test/CodeGen/AMDGPU/llvm.exp2.ll
    M llvm/test/CodeGen/AMDGPU/llvm.log.ll
    M llvm/test/CodeGen/AMDGPU/llvm.log10.ll
    M llvm/test/CodeGen/AMDGPU/llvm.log2.ll

  Log Message:
  -----------
  [GlobalISel] Fall back for bf16 conversions. (#71470)

We don't support these correctly since we don't yet have FP types.
AMDGPU tests were silently miscompiling bf16 as if they were fp16.