[all-commits] [llvm/llvm-project] e0162e: [AMDGPU] Do not treat bitcast across FP types as c...

[Arseniy Obolenskiy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e0162ea5dc98c919f3eb35895baf4bc249276a73
      https://github.com/llvm/llvm-project/commit/e0162ea5dc98c919f3eb35895baf4bc249276a73
  Author: Arseniy Obolenskiy <arseniy.obolenskiy at amd.com>
  Date:   2026-07-31 (Fri, 31 Jul 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.h
    M llvm/test/CodeGen/AMDGPU/fcanonicalize-elimination.bf16.ll

  Log Message:
  -----------
  [AMDGPU] Do not treat bitcast across FP types as canonicality-preserving (#203560)

isCanonicalized recursed through ISD::BITCAST ignoring the type change,
so value canonical as v2bf16 was wrongly treated as canonical when
bitcast to v2f16 (that has different exponent width), dropping a
required fcanonicalize



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