Make getCompileUnit non-const and return the current DIE if it

happens to be a compile unit. Noticed on inspection and tested
via calling on a newly created compile unit. No functional change.

llvm-svn: 181835

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DIE.cpp b/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
index 673867ada1a..cc0cb56e8b3 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
@@ -114,8 +114,8 @@ DIE::~DIE() {
 
 /// Climb up the parent chain to get the compile unit DIE to which this DIE
 /// belongs.
-DIE *DIE::getCompileUnit() const {
-  DIE *p = getParent();
+DIE *DIE::getCompileUnit() {
+  DIE *p = this;
   while (p) {
     if (p->getTag() == dwarf::DW_TAG_compile_unit)
       return p;