Revert of [turbofan] remove control field from instruction

src/compiler/mips64/instruction-selector-mips64.cc

Index: src/compiler/mips64/instruction-selector-mips64.cc
diff --git a/src/compiler/mips64/instruction-selector-mips64.cc b/src/compiler/mips64/instruction-selector-mips64.cc
index 3aab552964aa2980a7a7f519d85c06b1a91ed679..0dba931a603c1e83f7402241003012073f15c470 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -146,8 +146,9 @@
   DCHECK_GE(arraysize(inputs), input_count);
   DCHECK_GE(arraysize(outputs), output_count);
 
-  selector->Emit(cont->Encode(opcode), output_count, outputs, input_count,
-                 inputs);
+  Instruction* instr = selector->Emit(cont->Encode(opcode), output_count,
+                                      outputs, input_count, inputs);
+  if (cont->IsBranch()) instr->MarkAsControl();
 }
 
 
@@ -776,7 +777,7 @@
   opcode = cont->Encode(opcode);
   if (cont->IsBranch()) {
     selector->Emit(opcode, NULL, left, right, g.Label(cont->true_block()),
-                   g.Label(cont->false_block()));
+                   g.Label(cont->false_block()))->MarkAsControl();
   } else {
     DCHECK(cont->IsSet());
     selector->Emit(opcode, g.DefineAsRegister(cont->result()), left, right);
@@ -839,7 +840,8 @@
   InstructionOperand* const value_operand = g.UseRegister(value);
   if (cont->IsBranch()) {
     selector->Emit(opcode, nullptr, value_operand, g.TempImmediate(0),
-                   g.Label(cont->true_block()), g.Label(cont->false_block()));
+                   g.Label(cont->true_block()),
+                   g.Label(cont->false_block()))->MarkAsControl();
   } else {
     selector->Emit(opcode, g.DefineAsRegister(cont->result()), value_operand,
                    g.TempImmediate(0));