llvm-project

28497b7e - AMDGPU: Make VarIndex a WeakVH in AMDGPUPromoteAlloca (#188662)

AMDGPU: Make VarIndex a WeakVH in AMDGPUPromoteAlloca (#188662) The VarIndex might come from (like load) another alloca which maybe promoted before. The value will replaced in this case. WeakVH correctly handles this.