List objective-c ineterfaces as public types in dwarf debug info output.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132361 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index d1b4aad7fa..5ebf133303 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1627,7 +1627,29 @@ llvm::DIType CGDebugInfo::getOrCreateFunctionType(const Decl * D, QualType FnTyp
                                                   llvm::DIFile F) {
   if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D))
     return getOrCreateMethodType(Method, F);
+  else if (const ObjCMethodDecl *OMethod = dyn_cast<ObjCMethodDecl>(D)) {
 
+    llvm::DIType MTy = getOrCreateType(FnType, F);
+    llvm::DIArray Args = llvm::DICompositeType(MTy).getTypeArray();
+    assert (Args.getNumElements() && "Invalid number of arguments!");
+
+    // Add "self" and "_cmd"
+    llvm::SmallVector<llvm::Value *, 16> Elts;
+
+    // First element is always return type. For 'void' functions it is NULL.
+    Elts.push_back(Args.getElement(0));
+
+    // "self" pointer is always first argument.
+    Elts.push_back(getOrCreateType(OMethod->getSelfDecl()->getType(), F));
+    // "cmd" pointer is always second argument.
+    Elts.push_back(getOrCreateType(OMethod->getCmdDecl()->getType(), F));
+    
+    // Copy rest of the arguments.
+    for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i)
+      Elts.push_back(Args.getElement(i));
+    llvm::DIArray EltTypeArray = DBuilder.getOrCreateArray(Elts);
+    return DBuilder.createSubroutineType(F, EltTypeArray);
+  }
   return getOrCreateType(FnType, F);
 }