[all-commits] [llvm/llvm-project] 881d45: [X86][BF16] Do not combine FP_TRUNC + FP_EXTEND if...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 881d45cd7d3c5ea97f0d409bab5c57ae7bd43ab2
      https://github.com/llvm/llvm-project/commit/881d45cd7d3c5ea97f0d409bab5c57ae7bd43ab2
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2024-05-14 (Tue, 14 May 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/bfloat.ll

  Log Message:
  -----------
  [X86][BF16] Do not combine FP_TRUNC + FP_EXTEND if they come from user (#91420)

As discussed in
https://github.com/llvm/llvm-project/commit/3cf8535dbf0bf5fafa99ea1f300e2384a7254fba
We are not allowed to combine explicit fptrunc/fpext from user.



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