Compiler only emits a comment for `Int_MemBarrier`, so it should be marked as a meta-instruction, which can help improve accuracy of debug location. Reviewed By: pengfei Differential Revision: https://reviews.llvm.org/D121879
Compiler only emits a comment for `Int_MemBarrier`, so it should be marked as a meta-instruction, which can help improve accuracy of debug location. Reviewed By: pengfei Differential Revision: https://reviews.llvm.org/D121879