From 2c0a4fe4e29b4323fa24303068d4a204a51d33c1 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 3 Feb 2009 22:49:58 +0000
Subject: [PATCH] Add getDebugLocTuple to retrieve the DebugLocTuple for a
 given DebugLoc object.

llvm-svn: 63676
---
 llvm/include/llvm/CodeGen/MachineFunction.h |  7 +++++--
 llvm/lib/CodeGen/MachineFunction.cpp        | 14 +++++++++++---
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/MachineFunction.h b/llvm/include/llvm/CodeGen/MachineFunction.h
index 6abedb50b3c2..b1536a8f7525 100644
--- a/llvm/include/llvm/CodeGen/MachineFunction.h
+++ b/llvm/include/llvm/CodeGen/MachineFunction.h
@@ -313,9 +313,12 @@ public:
   //
 
   /// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
-  /// source file, line, and column. If none currently exists, create add a new
-  /// new DebugLocTuple and insert it into the DebugIdMap.
+  /// source file, line, and column. If none currently exists, create a new
+  /// DebugLocTuple, and insert it into the DebugIdMap.
   unsigned getOrCreateDebugLocID(unsigned Src, unsigned Line, unsigned Col);
+
+  /// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.
+  const DebugLocTuple &getDebugLocTuple(DebugLoc DL);
 };
 
 //===--------------------------------------------------------------------===//
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 434034b888f0..fc9aa843e788 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -380,11 +380,11 @@ MachineFunction& MachineFunction::get(const Function *F)
 }
 
 /// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
-/// source file, line, and column. If none currently exists, create add a new
-/// new DebugLocTuple and insert it into the DebugIdMap.
+/// source file, line, and column. If none currently exists, create a new
+/// DebugLocTuple, and insert it into the DebugIdMap.
 unsigned MachineFunction::getOrCreateDebugLocID(unsigned Src, unsigned Line,
                                                 unsigned Col) {
-  struct DebugLocTuple Tuple(Src, Line, Col);
+  DebugLocTuple Tuple(Src, Line, Col);
   DenseMap<DebugLocTuple, unsigned>::iterator II
     = DebugLocInfo.DebugIdMap.find(Tuple);
   if (II != DebugLocInfo.DebugIdMap.end())
@@ -396,6 +396,14 @@ unsigned MachineFunction::getOrCreateDebugLocID(unsigned Src, unsigned Line,
   return Id;
 }
 
+/// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.
+const DebugLocTuple &MachineFunction::getDebugLocTuple(DebugLoc DL) {
+  unsigned Idx;
+  assert(Idx < DebugLocInfo.DebugLocations.size() &&
+         "Invalid index into debug locations!");
+  return DebugLocInfo.DebugLocations[Idx];
+}
+
 //===----------------------------------------------------------------------===//
 //  MachineFrameInfo implementation
 //===----------------------------------------------------------------------===//