[all-commits] [llvm/llvm-project] 453ff4: [X86][CodeGen] Fix crash when commute operands of ...

[Shengchen Kan via All-commits]

  Branch: refs/heads/release/18.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 453ff4b7333d4cfef8593fdf54de831d32321e44
      https://github.com/llvm/llvm-project/commit/453ff4b7333d4cfef8593fdf54de831d32321e44
  Author: Shengchen Kan <shengchen.kan at intel.com>
  Date:   2024-01-25 (Thu, 25 Jan 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrInfo.cpp
    M llvm/test/CodeGen/X86/commute-blend-avx2.ll

  Log Message:
  -----------
  [X86][CodeGen] Fix crash when commute operands of Instruction for code size (#79245)

Reported in 134fcc62786d31ab73439201dce2d73808d1785a

Incorrect opcode is used  b/c there is a `[[fallthrough]]` at line 2386.

(cherry picked from commit 33ecef9812e2c9bfadef035b8e34a949acae2abc)