[IRgen] Update modules autolink metadata to use module flags (as now specified
in the LangRef).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172692 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 38f457a..04a08a9 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -723,7 +723,7 @@
/// it depends on, using a postorder walk.
static void addLinkOptionsPostorder(llvm::LLVMContext &Context,
Module *Mod,
- SmallVectorImpl<llvm::MDNode *> &Metadata,
+ SmallVectorImpl<llvm::Value *> &Metadata,
llvm::SmallPtrSet<Module *, 16> &Visited) {
// Import this module's parent.
if (Mod->Parent && Visited.insert(Mod->Parent)) {
@@ -810,7 +810,7 @@
// Add link options for all of the imported modules in reverse topological
// order.
- SmallVector<llvm::MDNode *, 16> MetadataArgs;
+ SmallVector<llvm::Value *, 16> MetadataArgs;
Visited.clear();
for (llvm::SetVector<clang::Module *>::iterator M = LinkModules.begin(),
MEnd = LinkModules.end();
@@ -818,15 +818,11 @@
if (Visited.insert(*M))
addLinkOptionsPostorder(getLLVMContext(), *M, MetadataArgs, Visited);
}
+ std::reverse(MetadataArgs.begin(), MetadataArgs.end());
- // Get/create metadata for the link options.
- llvm::NamedMDNode *Metadata
- = getModule().getOrInsertNamedMetadata("llvm.module.linkoptions");
-
- // Add link options in topological order.
- for (unsigned I = MetadataArgs.size(); I > 0; --I) {
- Metadata->addOperand(MetadataArgs[I-1]);
- }
+ // Add the linker options metadata flag.
+ getModule().addModuleFlag(llvm::Module::AppendUnique, "Linker Options",
+ llvm::MDNode::get(getLLVMContext(), MetadataArgs));
}
void CodeGenModule::EmitDeferred() {