message: Changed from 1.1.0 to 1.0.1
diff: @@ -64,10 +64,10 @@ enum Version {
  // version we published on Oct 10, 2017.
  IR_VERSION_2017_10_10 = 0x00000001;
  - // IR_VERSION 1.1.0 (this proto file) contains the following IR format changes
  + // IR_VERSION 1.0.1 (this proto file) contains the following IR format changes
  // - Added type discriminator to AttributeProto to support proto3 users
  - IR_VERSION = 0x00000101;
  + IR_VERSION = 0x00010001;
  }
  