Changed implementation of Serialize::EmitDiffPtrID and

Deserialize::ReadDiffPtrID to read and emit bools instead of unsigned
integers. This should result in a nice space optimization once we have
"auto-abbreviation" generation in place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44200 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/include/llvm/Bitcode/Serialize.h b/include/llvm/Bitcode/Serialize.h
index 8db377946c..9430bb10a4 100644
--- a/include/llvm/Bitcode/Serialize.h
+++ b/include/llvm/Bitcode/Serialize.h
@@ -57,10 +57,11 @@ public:
     SerializedPtrID ptr_id = getPtrId(ptr);
 
     if (ptr_id == 0)
-      EmitInt(0);
+      EmitBool(false);
     else {
       assert (ptr_id > PrevID);
-      EmitInt(ptr_id-PrevID);
+      assert (PrevID == 0 || ptr_id - PrevID == 1);
+      EmitBool(true);
     }
     
     return ptr_id;