Add constructors to the attribute builder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164762 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Attributes.h b/include/llvm/Attributes.h
index d36e10d6589e2b5542c40cf219179c143a7f02c0..e34881842aa0e93fd264d7a3ac9c2ecf4680ee40 100644 (file)
--- a/include/llvm/Attributes.h
+++ b/include/llvm/Attributes.h
@@ -154,6 +154,9 @@ public:
     friend class Attributes;
     uint64_t Bits;
   public:
+    Builder() : Bits(0) {}
+    Builder(const Attributes &A) : Bits(A.Bits) {}
+
     void addZExtAttr() {
       Bits |= Attribute::ZExt_i;
     }