[all-commits] [llvm/llvm-project] 5ecb37: [RISCV] Make InitUndef handle undef operand (#65755)

[Piyou Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5ecb37b45aa059cadd97ab6aedc1320da609c636
      https://github.com/llvm/llvm-project/commit/5ecb37b45aa059cadd97ab6aedc1320da609c636
  Author: Piyou Chen <piyou.chen at sifive.com>
  Date:   2023-12-01 (Fri, 01 Dec 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVRVVInitUndef.cpp
    A llvm/test/CodeGen/RISCV/65704-illegal-instruction.ll
    M llvm/test/CodeGen/RISCV/rvv/handle-noreg-with-implicit-def.mir
    M llvm/test/CodeGen/RISCV/rvv/undef-earlyclobber-chain.mir

  Log Message:
  -----------
  [RISCV] Make InitUndef handle undef operand (#65755)

Address https://github.com/llvm/llvm-project/issues/65704.

If the operand is marked as undef, the InitUndef misses this case. This patch makes InitUndef pass handle the undef operand case.