[all-commits] [llvm/llvm-project] c8e984: [X86] Fix VPMOVPattern folding for extended regist...

[Qihan Cai via All-commits]

  Branch: refs/heads/release/22.x
  Home:   https://github.com/llvm/llvm-project
  Commit: c8e984d27b27370f983f4074059bea854d40b91f
      https://github.com/llvm/llvm-project/commit/c8e984d27b27370f983f4074059bea854d40b91f
  Author: Qihan Cai <caiqihan021 at hotmail.com>
  Date:   2026-04-17 (Fri, 17 Apr 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86CompressEVEX.cpp
    M llvm/test/CodeGen/X86/evex-to-vex-compress.mir

  Log Message:
  -----------
  [X86] Fix VPMOVPattern folding for extended registers (#191760)

Fixes a problem that tryCompressVPMOVPattern incorrectly folds
instruction using extended registers into VEX. Introduced relevant tests
in MIR.

AI Statement: I used AI to write the tests.
Fixes #191304

(cherry picked from commit dd034aef4a4631860180a81ff17129f50cc41dbb)



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