Revert of [turbofan] remove control field from instruction

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

Index: src/compiler/mips/instruction-selector-mips.cc
diff --git a/src/compiler/mips/instruction-selector-mips.cc b/src/compiler/mips/instruction-selector-mips.cc
index 096e960c3cb96a9ee09097bd28e979db8f3fbd2d..0ebb3cf3e286fb34c052f532aed5731278fa8c8d 100644
--- a/src/compiler/mips/instruction-selector-mips.cc
+++ b/src/compiler/mips/instruction-selector-mips.cc
@@ -105,8 +105,9 @@
   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();
 }
 
 
@@ -585,7 +586,7 @@
   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());
     // TODO(plind): Revisit and test this path.
@@ -714,7 +715,8 @@
   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));