From 0de4fa621e60a542d9bd43c09bd596ba452f035c Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 23 Jun 2009 22:07:48 +0000
Subject: [PATCH] Add DISubprogram::getReturnTypeName()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74015 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Analysis/DebugInfo.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
index 972bb07196e..2b7b2b7cdfa 100644
--- a/include/llvm/Analysis/DebugInfo.h
+++ b/include/llvm/Analysis/DebugInfo.h
@@ -330,6 +330,19 @@ namespace llvm {
 
     DICompositeType getType() const { return getFieldAs<DICompositeType>(8); }
 
+    /// getReturnTypeName - Subprogram return types are encoded either as
+    /// DIType or as DICompositeType.
+    const std::string &getReturnTypeName(std::string &F) const {
+      DICompositeType DCT(getFieldAs<DICompositeType>(8));
+      if (!DCT.isNull()) {
+        DIArray A = DCT.getTypeArray();
+        DIType T(A.getElement(0).getGV());
+        return T.getName(F);
+      }
+      DIType T(getFieldAs<DIType>(8));
+      return T.getName(F);
+    }
+
     /// Verify - Verify that a subprogram descriptor is well formed.
     bool Verify() const;