[all-commits] [llvm/llvm-project] 011c9e: GlobalISel: Guard return in llvm::getIConstantSpla...

[Changpeng Fang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 011c9eeb9a42e35b56e7fa9c8f6ea105fe87f36a
      https://github.com/llvm/llvm-project/commit/011c9eeb9a42e35b56e7fa9c8f6ea105fe87f36a
  Author: Changpeng Fang <changpeng.fang at amd.com>
  Date:   2023-11-14 (Tue, 14 Nov 2023)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/Utils.cpp
    A llvm/test/CodeGen/AMDGPU/GlobalISel/amdgpu-prelegalizer-combiner-crash.mir

  Log Message:
  -----------
  GlobalISel: Guard return in llvm::getIConstantSplatVal (#71989)

getIConstantVRegValWithLookThrough could return NULL.