From 0fd7f9d7ffea48aa9c4965132ade33cf28f973ea Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 26 Jan 2010 21:14:59 +0000
Subject: [PATCH] Add extra element to composite type. This new element will be
 used to record c++ class that holds current class's vtable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94586 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Analysis/DebugInfo.h | 6 +++++-
 lib/Analysis/DebugInfo.cpp        | 8 +++++---
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
index 150d3ee8586..0227b2c6620 100644
--- a/include/llvm/Analysis/DebugInfo.h
+++ b/include/llvm/Analysis/DebugInfo.h
@@ -298,6 +298,9 @@ namespace llvm {
 
     DIArray getTypeArray() const { return getFieldAs<DIArray>(10); }
     unsigned getRunTimeLang() const { return getUnsignedField(11); }
+    DICompositeType getContainingType() const {
+      return getFieldAs<DICompositeType>(12);
+    }
 
     /// Verify - Verify that a composite type descriptor is well formed.
     bool Verify() const;
@@ -567,7 +570,8 @@ namespace llvm {
                                         uint64_t OffsetInBits, unsigned Flags,
                                         DIType DerivedFrom,
                                         DIArray Elements,
-                                        unsigned RunTimeLang = 0);
+                                        unsigned RunTimeLang = 0,
+                                        MDNode *ContainingType = 0);
 
     /// CreateCompositeType - Create a composite type like array, struct, etc.
     DICompositeType CreateCompositeTypeEx(unsigned Tag, DIDescriptor Context,
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 8bed36ee526..bff193d52ed 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -794,7 +794,8 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
                                                unsigned Flags,
                                                DIType DerivedFrom,
                                                DIArray Elements,
-                                               unsigned RuntimeLang) {
+                                               unsigned RuntimeLang,
+                                               MDNode *ContainingType) {
 
   Value *Elts[] = {
     GetTagConstant(Tag),
@@ -808,9 +809,10 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
     ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
     DerivedFrom.getNode(),
     Elements.getNode(),
-    ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
+    ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
+    ContainingType
   };
-  return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
+  return DICompositeType(MDNode::get(VMContext, &Elts[0], 13));
 }
 
 
-- 
2.34.1