diff options
| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2016-09-18 16:12:14 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2016-09-18 16:12:14 +0000 |
| commit | 3f307518f8bea834e7ba0fb522e990063d09cfb3 (patch) | |
| tree | 58bb96b5a82d0dad24be2a2d7ee92939a55f4579 /clang/lib/CodeGen/CGObjCMac.cpp | |
| parent | 0c54dc862e5c9dae681a43299126376757615cab (diff) | |
| download | bcm5719-llvm-3f307518f8bea834e7ba0fb522e990063d09cfb3.tar.gz bcm5719-llvm-3f307518f8bea834e7ba0fb522e990063d09cfb3.zip | |
CodeGen: mark ObjC cstring literals as unnamed_addr
These are all emitted into a section with a cstring_literal attribute. The
attribute permits the linker to coalesce the string contents. The address of
the strings are not important.
llvm-svn: 281855
Diffstat (limited to 'clang/lib/CodeGen/CGObjCMac.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGObjCMac.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp index e3320e9d9a8..1b435d33acc 100644 --- a/clang/lib/CodeGen/CGObjCMac.cpp +++ b/clang/lib/CodeGen/CGObjCMac.cpp @@ -3694,7 +3694,9 @@ CGObjCCommonMac::CreateCStringLiteral(StringRef Name, ObjCLabelType Type) { new llvm::GlobalVariable(CGM.getModule(), Value->getType(), /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, Value, Label); - GV->setSection(Section); + if (CGM.getTriple().isOSBinFormatMachO()) + GV->setSection(Section); + GV->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); GV->setAlignment(CharUnits::One().getQuantity()); CGM.addCompilerUsedGlobal(GV); |
