Refactor out the DIFile parameter to DILexicalBlock to refer to the raw file/directory pair

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177742 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index a97b740..fe2176c 100644
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
@@ -1023,7 +1023,7 @@
   static unsigned int unique_id = 0;
   Value *Elts[] = {
     GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
-    File,
+    File.getFileNode(),
     getNonCompileUnitScope(Scope),
     ConstantInt::get(Type::getInt32Ty(VMContext), Line),
     ConstantInt::get(Type::getInt32Ty(VMContext), Col),