diff options
Diffstat (limited to 'clang/lib/CodeGen')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 7d8c34d1996..78a2631a366 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -1931,6 +1931,13 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D) { GV->setConstant(!NeedsGlobalCtor && !NeedsGlobalDtor && isTypeConstant(D->getType(), true)); + // If it is in a read-only section, mark it 'constant'. + if (const SectionAttr *SA = D->getAttr<SectionAttr>()) { + const ASTContext::SectionInfo &SI = Context.SectionInfos[SA->getName()]; + if ((SI.SectionFlags & ASTContext::PSF_Write) == 0) + GV->setConstant(true); + } + GV->setAlignment(getContext().getDeclAlign(D).getQuantity()); // Set the llvm linkage type as appropriate. |
