From 6b943ff3a3f8617113ecbf611cf0f8957e4e19d2 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 2 May 2011 19:34:44 +0000
Subject: Vendor import of llvm trunk r130700:
 http://llvm.org/svn/llvm-project/llvm/trunk@130700

---
 lib/VMCore/DebugLoc.cpp | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'lib/VMCore/DebugLoc.cpp')

diff --git a/lib/VMCore/DebugLoc.cpp b/lib/VMCore/DebugLoc.cpp
index f8b45eed0d5e..520333cbbcf2 100644
--- a/lib/VMCore/DebugLoc.cpp
+++ b/lib/VMCore/DebugLoc.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/DebugLoc.h"
+#include "llvm/ADT/DenseMapInfo.h"
 #include "LLVMContextImpl.h"
 using namespace llvm;
 
@@ -108,7 +109,7 @@ MDNode *DebugLoc::getAsMDNode(const LLVMContext &Ctx) const {
     ConstantInt::get(Int32, getLine()), ConstantInt::get(Int32, getCol()),
     Scope, IA
   };
-  return MDNode::get(Ctx2, &Elts[0], 4);
+  return MDNode::get(Ctx2, Elts);
 }
 
 /// getFromDILocation - Translate the DILocation quad into a DebugLoc.
@@ -127,6 +128,29 @@ DebugLoc DebugLoc::getFromDILocation(MDNode *N) {
   return get(LineNo, ColNo, Scope, dyn_cast_or_null<MDNode>(N->getOperand(3)));
 }
 
+//===----------------------------------------------------------------------===//
+// DenseMap specialization
+//===----------------------------------------------------------------------===//
+
+DebugLoc DenseMapInfo<DebugLoc>::getEmptyKey() {
+  return DebugLoc::getEmptyKey();
+}
+
+DebugLoc DenseMapInfo<DebugLoc>::getTombstoneKey() {
+  return DebugLoc::getTombstoneKey();
+}
+
+unsigned DenseMapInfo<DebugLoc>::getHashValue(const DebugLoc &Key) {
+  FoldingSetNodeID ID;
+  ID.AddInteger(Key.LineCol);
+  ID.AddInteger(Key.ScopeIdx);
+  return ID.ComputeHash();
+}
+
+bool DenseMapInfo<DebugLoc>::isEqual(const DebugLoc &LHS, const DebugLoc &RHS) {
+  return LHS == RHS;
+}
+
 //===----------------------------------------------------------------------===//
 // LLVMContextImpl Implementation
 //===----------------------------------------------------------------------===//
-- 
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