[LLVM-C] Add Bindings For Named Metadata
Summary: Add a new type for named metadata nodes. Use this to implement iterators and accessors for NamedMDNodes and extend the echo test to use them to copy module-level debug information.
Reviewers: whitequark, deadalnix, aprantl, dexonsmith
Reviewed By: whitequark
Subscribers: Wallbraker, JDevlieghere, llvm-commits, harlanhaskins
Differential Revision: https://reviews.llvm.org/D47179
llvm-svn: 341085
diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index bea4dee..617d1c1 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -1065,6 +1065,54 @@
return cast<MDNode>(MD->getMetadata())->getNumOperands();
}
+LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M) {
+ Module *Mod = unwrap(M);
+ Module::named_metadata_iterator I = Mod->named_metadata_begin();
+ if (I == Mod->named_metadata_end())
+ return nullptr;
+ return wrap(&*I);
+}
+
+LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M) {
+ Module *Mod = unwrap(M);
+ Module::named_metadata_iterator I = Mod->named_metadata_end();
+ if (I == Mod->named_metadata_begin())
+ return nullptr;
+ return wrap(&*--I);
+}
+
+LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NMD) {
+ NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
+ Module::named_metadata_iterator I(NamedNode);
+ if (++I == NamedNode->getParent()->named_metadata_end())
+ return nullptr;
+ return wrap(&*I);
+}
+
+LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NMD) {
+ NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
+ Module::named_metadata_iterator I(NamedNode);
+ if (I == NamedNode->getParent()->named_metadata_begin())
+ return nullptr;
+ return wrap(&*--I);
+}
+
+LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
+ const char *Name, size_t NameLen) {
+ return wrap(unwrap(M)->getNamedMetadata(StringRef(Name, NameLen)));
+}
+
+LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
+ const char *Name, size_t NameLen) {
+ return wrap(unwrap(M)->getOrInsertNamedMetadata({Name, NameLen}));
+}
+
+const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NMD, size_t *NameLen) {
+ NamedMDNode *NamedNode = unwrap<NamedMDNode>(NMD);
+ *NameLen = NamedNode->getName().size();
+ return NamedNode->getName().data();
+}
+
void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest) {
auto *MD = cast<MetadataAsValue>(unwrap(V));
if (auto *MDV = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {