Add some helpful comments on DIEValue types that we expect to hash.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203055 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/CodeGen/AsmPrinter/DIEHash.cpp b/lib/CodeGen/AsmPrinter/DIEHash.cpp
index bc8c6957b0..ea0c1cf7cb 100644
--- a/lib/CodeGen/AsmPrinter/DIEHash.cpp
+++ b/lib/CodeGen/AsmPrinter/DIEHash.cpp
@@ -346,12 +346,15 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) {
       hashBlockData(cast<DIELoc>(Value)->getValues());
     }
     break;
+    // FIXME: Handle loclistptr.
+  case DIEValue::isLocList:
+    // FIXME: It's uncertain whether or not we should handle this at the moment.
   case DIEValue::isExpr:
   case DIEValue::isLabel:
   case DIEValue::isDelta:
+    // These two were handled above.
   case DIEValue::isEntry:
   case DIEValue::isTypeSignature:
-  case DIEValue::isLocList:
     llvm_unreachable("Add support for additional value types.");
   }
 }