[all-commits] [llvm/llvm-project] 49dcd0: [XCOFF] support the ref directive for object gener...

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  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 49dcd08c3d963e79d0710faf0e4024eb9b84bc8b
      https://github.com/llvm/llvm-project/commit/49dcd08c3d963e79d0710faf0e4024eb9b84bc8b
  Author: esmeyi <esme.yi at ibm.com>
  Date:   2023-03-23 (Thu, 23 Mar 2023)

  Changed paths:
    M llvm/include/llvm/MC/MCStreamer.h
    M llvm/include/llvm/MC/MCXCOFFStreamer.h
    M llvm/lib/MC/MCAsmStreamer.cpp
    M llvm/lib/MC/MCStreamer.cpp
    M llvm/lib/MC/MCXCOFFStreamer.cpp
    M llvm/lib/MC/XCOFFObjectWriter.cpp
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCFixupKinds.h
    M llvm/lib/Target/PowerPC/MCTargetDesc/PPCXCOFFObjectWriter.cpp
    M llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
    M llvm/test/CodeGen/PowerPC/pgo-ref-directive.ll

  Log Message:
  -----------
  [XCOFF] support the ref directive for object generation.

Summary: A R_REF relocation as a non-relocating reference is required to prevent garbage collection (by the binder) of the ref symbol in object generation.

Reviewed By: shchenz

Differential Revision: https://reviews.llvm.org/D144356