[all-commits] [llvm/llvm-project] 868e3b: [AMDGPU] Fix set_inactive known bits to intersect ...

[Arseniy Obolenskiy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 868e3b898dcf243f97885ce0d857a2827f4d1fa3
      https://github.com/llvm/llvm-project/commit/868e3b898dcf243f97885ce0d857a2827f4d1fa3
  Author: Arseniy Obolenskiy <arseniy.obolenskiy at amd.com>
  Date:   2026-07-15 (Wed, 15 Jul 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/fix-wwm-vgpr-copy.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.chain.arg.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.set.inactive.ll

  Log Message:
  -----------
  [AMDGPU] Fix set_inactive known bits to intersect both operands (#201817)

SimplifyDemandedBitsForTargetNode grouped amdgcn_set_inactive with the
single-source readfirstlane/readlane/wwm, taking known bits from operand
1 only

Handle the data from the operand 2 inactive lanes as well



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