[PATCH] D41318: Start setting dso_local in clang

[Rafael Ávila de Espíndola via Phabricator via cfe-commits]

rafael created this revision.
rafael added reviewers: rnk, rsmith.

This starts adding dso_local to clang.

The hope is to eventually have TargetMachine::shouldAssumeDsoLocal go away. My objective for now is to move enough of it to clang to remove the need for the TargetMachine one to handle PIE copy relocations and -fno-plt. With that it should then be easy to implement a -fno-copy-reloc in clang.

This patch just adds the cases where we assume a symbol to be local based on the file being compiled for an executable or a shared library.


https://reviews.llvm.org/D41318

Files:
  lib/CodeGen/CGDecl.cpp
  lib/CodeGen/CGVTT.cpp
  lib/CodeGen/CGVTables.cpp
  lib/CodeGen/CodeGenModule.cpp
  lib/CodeGen/CodeGenModule.h
  lib/CodeGen/ItaniumCXXABI.cpp
  test/CodeGen/dso-local-executable.c

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