[all-commits] [llvm/llvm-project] a3ce7f: [HIP] Fix managed variable linkage

[Yaxun (Sam) Liu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a3ce7f5cd2ae236bec7752e343f4b63ddda7ebe7
      https://github.com/llvm/llvm-project/commit/a3ce7f5cd2ae236bec7752e343f4b63ddda7ebe7
  Author: Yaxun (Sam) Liu <yaxun.liu at amd.com>
  Date:   2021-02-23 (Tue, 23 Feb 2021)

  Changed paths:
    M clang/lib/CodeGen/CGCUDANV.cpp
    M clang/lib/CodeGen/CGCUDARuntime.h
    M clang/lib/CodeGen/CodeGenModule.cpp
    M clang/test/CodeGenCUDA/device-var-linkage.cu
    M clang/test/CodeGenCUDA/managed-var.cu
    M llvm/lib/IR/ReplaceConstant.cpp

  Log Message:
  -----------
  [HIP] Fix managed variable linkage

Currently managed variables are emitted as undefined symbols, which
causes difficulty for diagnosing undefined symbols for non-managed
variables.

This patch transforms managed variables in device compilation so that
they can be emitted as normal variables.

Reviewed by: Artem Belevich

Differential Revision: https://reviews.llvm.org/D96195