Debug Info: improve the Finder.

Improve the Finder to handle context of a DIVariable.
If Scope is a DICompileUnit, add it to the list of CUs.

llvm-svn: 187003

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index 0fbfd2da86c..b611f458c0e 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -908,6 +908,14 @@ void DebugInfoFinder::processScope(DIScope Scope) {
     processType(Ty);
     return;
   }
+  if (Scope.isCompileUnit()) {
+    addCompileUnit(DICompileUnit(Scope));
+    return;
+  }
+  if (Scope.isSubprogram()) {
+    processSubprogram(DISubprogram(Scope));
+    return;
+  }
   if (!addScope(Scope))
     return;
   if (Scope.isLexicalBlock()) {
@@ -954,6 +962,7 @@ void DebugInfoFinder::processDeclare(const DbgDeclareInst *DDI) {
 
   if (!NodesSeen.insert(DV))
     return;
+  processScope(DIVariable(N).getContext());
   processType(DIVariable(N).getType());
 }