Revert "DebugInfo: remove unused helper function getDICompositeType."
This reverts commit r185876 as the functions appear to still be used
by dragonegg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185890 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index c55d68f..25d4ea4 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -844,6 +844,17 @@
return DISubprogram();
}
+/// getDICompositeType - Find underlying composite type.
+DICompositeType llvm::getDICompositeType(DIType T) {
+ if (T.isCompositeType())
+ return DICompositeType(T);
+
+ if (T.isDerivedType())
+ return getDICompositeType(DIDerivedType(T).getTypeDerivedFrom());
+
+ return DICompositeType();
+}
+
/// isSubprogramContext - Return true if Context is either a subprogram
/// or another context nested inside a subprogram.
bool llvm::isSubprogramContext(const MDNode *Context) {