From 2dbde507ec0cf5abb4a88ab96fb997e39ec0a046 Mon Sep 17 00:00:00 2001
From: evancheng <evancheng@91177308-0d34-0410-b5e6-96231b3b80d8>
Date: Mon, 26 Jan 2009 07:41:49 +0000
Subject: Add data structure to define and track debug location during codegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63008 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/MachineFunction.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'include/llvm/CodeGen/MachineFunction.h')

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index 835c8a3..1397b84 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -19,6 +19,7 @@
 #define LLVM_CODEGEN_MACHINEFUNCTION_H
 
 #include "llvm/ADT/ilist.h"
+#include "llvm/CodeGen/DebugLoc.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/Support/Annotation.h"
 #include "llvm/Support/Allocator.h"
@@ -27,11 +28,11 @@
 namespace llvm {
 
 class Function;
-class TargetMachine;
 class MachineRegisterInfo;
 class MachineFrameInfo;
 class MachineConstantPool;
 class MachineJumpTableInfo;
+class TargetMachine;
 
 template <>
 struct ilist_traits<MachineBasicBlock>
@@ -94,6 +95,9 @@ class MachineFunction : private Annotation {
   typedef ilist<MachineBasicBlock> BasicBlockListType;
   BasicBlockListType BasicBlocks;
 
+  // Tracks debug locations.
+  DebugLocTracker DebugLocInfo;
+
 public:
   MachineFunction(const Function *Fn, const TargetMachine &TM);
   ~MachineFunction();
@@ -302,6 +306,15 @@ public:
   /// DeleteMachineBasicBlock - Delete the given MachineBasicBlock.
   ///
   void DeleteMachineBasicBlock(MachineBasicBlock *MBB);
+
+  //===--------------------------------------------------------------------===//
+  // Debug location.
+  //
+
+  /// lookUpDebugLocId - Look up the DebugLocTuple index with the given
+  /// filename, line, and column. It may add a new filename and / or
+  /// a new DebugLocTuple.
+  unsigned lookUpDebugLocId(const char *Filename, unsigned Line, unsigned Col);
 };
 
 //===--------------------------------------------------------------------===//
-- 
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