Add support for DW_FORM_dataN and DW_FORM_udata to the DIE hashing

algorithm. Update the split dwarf hashing testcase accordingly - this
should be the last time that the hash of an empty file changes.

llvm-svn: 189427

2 files changed, 12 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp b/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
index f0ab38c3d4e..1322743247e 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
@@ -119,6 +119,9 @@ void DIEHash::collectAttributes(DIE *Die, DIEAttrs &Attrs) {
     case dwarf::DW_AT_name:
       COLLECT_ATTR(DW_AT_name);
       break;
+    case dwarf::DW_AT_language:
+      COLLECT_ATTR(DW_AT_language);
+      break;
     default:
       break;
     }
@@ -145,6 +148,13 @@ void DIEHash::hashAttribute(AttrEntry Attr) {
   case dwarf::DW_FORM_strp:
     addString(cast<DIEString>(Value)->getString());
     break;
+  case dwarf::DW_FORM_data1:
+  case dwarf::DW_FORM_data2:
+  case dwarf::DW_FORM_data4:
+  case dwarf::DW_FORM_data8:
+  case dwarf::DW_FORM_udata:
+    addULEB128(cast<DIEInteger>(Value)->getValue());
+    break;
   }
 }
 
@@ -159,6 +169,7 @@ void DIEHash::hashAttributes(const DIEAttrs &Attrs) {
 
   // FIXME: Add the rest.
   ADD_ATTR(Attrs.DW_AT_name);
+  ADD_ATTR(Attrs.DW_AT_language);
 }
 
 // Add all of the attributes for \param Die to the hash.
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIEHash.h b/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
index f53529c54f1..d83f78f68b4 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
@@ -29,6 +29,7 @@ class DIEHash {
   // Collection of all attributes used in hashing a particular DIE.
   struct DIEAttrs {
     AttrEntry DW_AT_name;
+    AttrEntry DW_AT_language;
   };
 
 public: