Provide a way to extract location info from DILocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82064 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index d09704f..78cbad8 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -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) {