[llvm-commits] [llvm] r82064 - in /llvm/trunk: include/llvm/Analysis/DebugInfo.h lib/Analysis/DebugInfo.cpp

[Devang Patel]

Author: dpatel
Date: Wed Sep 16 13:20:05 2009
New Revision: 82064

URL: http://llvm.org/viewvc/llvm-project?rev=82064&view=rev
Log:
Provide a way to extract location info from DILocation.

Modified:
    llvm/trunk/include/llvm/Analysis/DebugInfo.h
    llvm/trunk/lib/Analysis/DebugInfo.cpp

Modified: llvm/trunk/include/llvm/Analysis/DebugInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/DebugInfo.h?rev=82064&r1=82063&r2=82064&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Analysis/DebugInfo.h (original)
+++ llvm/trunk/include/llvm/Analysis/DebugInfo.h Wed Sep 16 13:20:05 2009
@@ -670,6 +670,11 @@
                                 DebugLocTracker &DebugLocInfo);
 
   /// ExtractDebugLocation - Extract debug location information 
+  /// from DILocation.
+  DebugLoc ExtractDebugLocation(DILocation &Loc,
+                                DebugLocTracker &DebugLocInfo);
+
+  /// ExtractDebugLocation - Extract debug location information 
   /// from llvm.dbg.func_start intrinsic.
   DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,
                                 DebugLocTracker &DebugLocInfo);

Modified: llvm/trunk/lib/Analysis/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/DebugInfo.cpp?rev=82064&r1=82063&r2=82064&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/DebugInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/DebugInfo.cpp Wed Sep 16 13:20:05 2009
@@ -1210,6 +1210,29 @@
   }
 
   /// ExtractDebugLocation - Extract debug location information 
+  /// from DILocation.
+  DebugLoc ExtractDebugLocation(DILocation &Loc,
+                                DebugLocTracker &DebugLocInfo) {
+    DebugLoc DL;
+    MDNode *Context = Loc.getScope().getNode();
+
+    // If this location is already tracked then use it.
+    DebugLocTuple Tuple(Context, Loc.getLineNumber(),
+			Loc.getColumnNumber());
+    DenseMap<DebugLocTuple, unsigned>::iterator II
+      = DebugLocInfo.DebugIdMap.find(Tuple);
+    if (II != DebugLocInfo.DebugIdMap.end())
+      return DebugLoc::get(II->second);
+
+    // Add a new location entry.
+    unsigned Id = DebugLocInfo.DebugLocations.size();
+    DebugLocInfo.DebugLocations.push_back(Tuple);
+    DebugLocInfo.DebugIdMap[Tuple] = Id;
+    
+    return DebugLoc::get(Id);
+  }
+
+  /// ExtractDebugLocation - Extract debug location information 
   /// from llvm.dbg.func_start intrinsic.
   DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,
                                 DebugLocTracker &DebugLocInfo) {