[all-commits] [llvm/llvm-project] 26604d: [AIX] Emit AvailableExternally Linkage on AIX

[xiangling-liao via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 26604d06b6fe10bb047a3620cf306be8648dcc20
      https://github.com/llvm/llvm-project/commit/26604d06b6fe10bb047a3620cf306be8648dcc20
  Author: Xiangling Liao <Xiangling.Liao at ibm.com>
  Date:   2020-05-29 (Fri, 29 May 2020)

  Changed paths:
    M llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
    M llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
    M llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
    M llvm/lib/Target/TargetLoweringObjectFile.cpp
    A llvm/test/CodeGen/PowerPC/aix-available-externally-linkage.ll

  Log Message:
  -----------
  [AIX] Emit AvailableExternally Linkage on AIX

Since on AIX, our strategy is to not use -u to suppress any undefined
symbols, we need to emit .extern for the symbols with AvailableExternally
linkage.

Differential Revision: https://reviews.llvm.org/D80642