--- a/lib/Target/Mips/MipsInstrFormats.td	Tue Jan 26 22:56:36 2016 +0900
+++ b/lib/Target/Mips/MipsInstrFormats.td	Fri Nov 25 19:14:25 2016 +0900
@@ -94,10 +94,19 @@
   //
   // Attributes specific to Mips instructions...
   //
-  bits<4> FormBits = Form.Value;
+  bits<4> FormBits     = Form.Value;
+  bit isCTI            = 0; // Any form of Control Transfer Instruction.
+                            // Required for MIPSR6
+  bit hasForbiddenSlot = 0; // Instruction has a forbidden slot.
+  bit IsPCRelativeLoad = 0; // Load instruction with implicit source register
+                            // ($pc) and with explicit offset and destination
+                            // register
 
   // TSFlags layout should be kept in sync with MipsInstrInfo.h.
   let TSFlags{3-0}   = FormBits;
+  let TSFlags{4}     = isCTI;
+  let TSFlags{5}     = hasForbiddenSlot;
+  let TSFlags{6}     = IsPCRelativeLoad;
 
   let DecoderNamespace = "Mips";