Reapply 79977.
Use MDNodes to encode debug info in llvm IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80406 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/CloneFunction.cpp b/lib/Transforms/Utils/CloneFunction.cpp
index a430fa0..fd72ca1 100644
--- a/lib/Transforms/Utils/CloneFunction.cpp
+++ b/lib/Transforms/Utils/CloneFunction.cpp
@@ -238,7 +238,7 @@
// Do not clone llvm.dbg.region.end. It will be adjusted by the inliner.
if (const DbgFuncStartInst *DFSI = dyn_cast<DbgFuncStartInst>(II)) {
if (DbgFnStart == NULL) {
- DISubprogram SP(cast<GlobalVariable>(DFSI->getSubprogram()));
+ DISubprogram SP(DFSI->getSubprogram());
if (SP.describes(BB->getParent()))
DbgFnStart = DFSI->getSubprogram();
}