From 72bcdb6c9b5456cf6687c9066ae9d220ebedd80a Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Mon, 10 Aug 2009 22:09:58 +0000
Subject: [PATCH] Keep track of DIType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78602 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Analysis/DebugInfo.h |  9 ++++++++-
 lib/Analysis/DebugInfo.cpp        | 16 +++++++++++++---
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
index a9b21b9ed1b..5c8b31ad5e2 100644
--- a/include/llvm/Analysis/DebugInfo.h
+++ b/include/llvm/Analysis/DebugInfo.h
@@ -643,6 +643,9 @@ namespace llvm {
     // addSubprogram - Add subprgoram into SPs.
     bool addSubprogram(DISubprogram SP);
 
+    /// addType - Add type into Tys.
+    bool addType(DIType DT);
+
   public:
     typedef SmallVector<GlobalVariable *, 8>::iterator iterator;
     iterator compile_unit_begin()    { return CUs.begin(); }
@@ -651,15 +654,19 @@ namespace llvm {
     iterator subprogram_end()        { return SPs.end(); }
     iterator global_variable_begin() { return GVs.begin(); }
     iterator global_variable_end()   { return GVs.end(); }
+    iterator type_begin()            { return TYs.begin(); }
+    iterator type_end()              { return TYs.end(); }
 
     unsigned compile_unit_count()    { return CUs.size(); }
     unsigned global_variable_count() { return GVs.size(); }
     unsigned subprogram_count()      { return SPs.size(); }
+    unsigned type_count()            { return TYs.size(); }
 
   private:
     SmallVector<GlobalVariable *, 8> CUs;  // Compile Units
     SmallVector<GlobalVariable *, 8> SPs;  // Subprograms
-    SmallVector<GlobalVariable *, 8> GVs;  // Global Variables;
+    SmallVector<GlobalVariable *, 8> GVs;  // Global Variables
+    SmallVector<GlobalVariable *, 8> TYs;  // Types
     SmallPtrSet<GlobalVariable *, 64> NodesSeen;
     
   };
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index b061827c32a..3d9c93378fb 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -955,9 +955,7 @@ void DebugInfoFinder::processModule(Module &M) {
     
 /// processType - Process DIType.
 void DebugInfoFinder::processType(DIType DT) {
-  if (DT.isNull())
-    return;
-  if (!NodesSeen.insert(DT.getGV()))
+  if (!addType(DT))
     return;
 
   addCompileUnit(DT.getCompileUnit());
@@ -1028,6 +1026,18 @@ void DebugInfoFinder::processDeclare(DbgDeclareInst *DDI) {
   processType(DV.getType());
 }
 
+/// addType - Add type into Tys.
+bool DebugInfoFinder::addType(DIType DT) {
+  if (DT.isNull())
+    return false;
+
+  if (!NodesSeen.insert(DT.getGV()))
+    return false;
+
+  TYs.push_back(DT.getGV());
+  return true;
+}
+
 /// addCompileUnit - Add compile unit into CUs.
 bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
   if (CU.isNull())