From 7a55481fa4605d27f4096a4d9f678bfb20df9f7e Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 28 Sep 2010 18:08:20 +0000
Subject: Provide an interface to let FEs anchor debug info for types.

llvm-svn: 114969
---
 llvm/lib/Analysis/DebugInfo.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'llvm/lib/Analysis/DebugInfo.cpp')

diff --git a/llvm/lib/Analysis/DebugInfo.cpp b/llvm/lib/Analysis/DebugInfo.cpp
index fec269e2205..dba7b8f2422 100644
--- a/llvm/lib/Analysis/DebugInfo.cpp
+++ b/llvm/lib/Analysis/DebugInfo.cpp
@@ -1306,6 +1306,14 @@ Instruction *DIFactory::InsertDbgValueIntrinsic(Value *V, uint64_t Offset,
   return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
 }
 
+// RecordType - Record DIType in a module such that it is not lost even if
+// it is not referenced through debug info anchors.
+void DIFactory::RecordType(DIType T) {
+  NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty");
+  NMD->addOperand(T);
+}
+
+
 //===----------------------------------------------------------------------===//
 // DebugInfoFinder implementations.
 //===----------------------------------------------------------------------===//
-- 
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