From 7b246c38724a9c79336fff87af668136fb676fe6 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Mon, 3 Dec 2012 19:44:25 +0000
Subject: [PATCH] Add 'getInt64Field()' method to get the signed integer
 instead of unsigned.

llvm-svn: 169145
---
 llvm/include/llvm/DebugInfo.h |  1 +
 llvm/lib/VMCore/DebugInfo.cpp | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/llvm/include/llvm/DebugInfo.h b/llvm/include/llvm/DebugInfo.h
index e66ee93..ee0505b 100644
--- a/llvm/include/llvm/DebugInfo.h
+++ b/llvm/include/llvm/DebugInfo.h
@@ -71,6 +71,7 @@ namespace llvm {
       return (unsigned)getUInt64Field(Elt);
     }
     uint64_t getUInt64Field(unsigned Elt) const;
+    int64_t getInt64Field(unsigned Elt) const;
     DIDescriptor getDescriptorField(unsigned Elt) const;
 
     template <typename DescTy>
diff --git a/llvm/lib/VMCore/DebugInfo.cpp b/llvm/lib/VMCore/DebugInfo.cpp
index 7d8cf72..73eb92e 100644
--- a/llvm/lib/VMCore/DebugInfo.cpp
+++ b/llvm/lib/VMCore/DebugInfo.cpp
@@ -75,6 +75,18 @@ uint64_t DIDescriptor::getUInt64Field(unsigned Elt) const {
   return 0;
 }
 
+int64_t DIDescriptor::getInt64Field(unsigned Elt) const {
+  if (DbgNode == 0)
+    return 0;
+
+  if (Elt < DbgNode->getNumOperands())
+    if (ConstantInt *CI
+        = dyn_cast_or_null<ConstantInt>(DbgNode->getOperand(Elt)))
+      return CI->getSExtValue();
+
+  return 0;
+}
+
 DIDescriptor DIDescriptor::getDescriptorField(unsigned Elt) const {
   if (DbgNode == 0)
     return DIDescriptor();
-- 
2.7.4