diff options
Diffstat (limited to 'lib/CodeGen/CGDeclCXX.cpp')
-rw-r--r-- | lib/CodeGen/CGDeclCXX.cpp | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/lib/CodeGen/CGDeclCXX.cpp b/lib/CodeGen/CGDeclCXX.cpp index a59ed0abe6..fafc85d628 100644 --- a/lib/CodeGen/CGDeclCXX.cpp +++ b/lib/CodeGen/CGDeclCXX.cpp @@ -171,12 +171,17 @@ CodeGenModule::EmitCXXGlobalVarDeclInitFunc(const VarDecl *D) { CodeGenFunction(*this).GenerateCXXGlobalVarDeclInitFunc(Fn, D); - CXXGlobalInits.push_back(Fn); + if (D->hasAttr<InitPriorityAttr>()) { + unsigned int order = D->getAttr<InitPriorityAttr>()->getPriority(); + PrioritizedCXXGlobalInits.push_back(std::make_pair(order,Fn)); + } + else + CXXGlobalInits.push_back(Fn); } void CodeGenModule::EmitCXXGlobalInitFunc() { - if (CXXGlobalInits.empty()) + if (CXXGlobalInits.empty() && PrioritizedCXXGlobalInits.empty()) return; const llvm::FunctionType *FTy @@ -187,9 +192,24 @@ CodeGenModule::EmitCXXGlobalInitFunc() { llvm::Function *Fn = CreateGlobalInitOrDestructFunction(*this, FTy, "_GLOBAL__I_a"); - CodeGenFunction(*this).GenerateCXXGlobalInitFunc(Fn, - &CXXGlobalInits[0], - CXXGlobalInits.size()); + if (!PrioritizedCXXGlobalInits.empty()) { + std::vector<llvm::Constant*> LocalCXXGlobalInits; + std::sort(PrioritizedCXXGlobalInits.begin(), + PrioritizedCXXGlobalInits.end()); + for (unsigned i = 0; i < PrioritizedCXXGlobalInits.size(); i++) { + llvm::Function *Fn = PrioritizedCXXGlobalInits[i].second; + LocalCXXGlobalInits.push_back(Fn); + } + for (unsigned i = 0; i < CXXGlobalInits.size(); i++) + LocalCXXGlobalInits.push_back(CXXGlobalInits[i]); + CodeGenFunction(*this).GenerateCXXGlobalInitFunc(Fn, + &LocalCXXGlobalInits[0], + LocalCXXGlobalInits.size()); + } + else + CodeGenFunction(*this).GenerateCXXGlobalInitFunc(Fn, + &CXXGlobalInits[0], + CXXGlobalInits.size()); AddGlobalCtor(Fn); } |