[llvm] r181835 - Make getCompileUnit non-const and return the current DIE if it

[Eric Christopher]

Author: echristo
Date: Tue May 14 16:33:10 2013
New Revision: 181835

URL: http://llvm.org/viewvc/llvm-project?rev=181835&view=rev
Log:
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.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp
    llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp?rev=181835&r1=181834&r2=181835&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp Tue May 14 16:33:10 2013
@@ -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;

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h?rev=181835&r1=181834&r2=181835&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DIE.h Tue May 14 16:33:10 2013
@@ -153,7 +153,7 @@ namespace llvm {
     DIE *getParent() const { return Parent; }
     /// Climb up the parent chain to get the compile unit DIE this DIE belongs
     /// to.
-    DIE *getCompileUnit() const;
+    DIE *getCompileUnit();
     void setTag(unsigned Tag) { Abbrev.setTag(Tag); }
     void setOffset(unsigned O) { Offset = O; }
     void setSize(unsigned S) { Size = S; }