diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 29692eedb53..c5cac6a3982 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -730,6 +730,14 @@ static bool shouldAssumeDSOLocal(const CodeGenModule &CGM, return false; const llvm::Triple &TT = CGM.getTriple(); + if (TT.isWindowsGNUEnvironment()) { + // In MinGW, variables without DLLImport can still be automatically + // imported from a DLL by the linker; don't mark variables that + // potentially could come from another DLL as DSO local. + if (GV->isDeclarationForLinker() && isa<llvm::GlobalVariable>(GV) && + !GV->isThreadLocal()) + return false; + } // Every other GV is local on COFF. // Make an exception for windows OS in the triple: Some firmware builds use // *-win32-macho triples. This (accidentally?) produced windows relocations |
