Revert of [turbofan] remove control field from instruction

src/compiler/arm64/instruction-selector-arm64.cc

Index: src/compiler/arm64/instruction-selector-arm64.cc
diff --git a/src/compiler/arm64/instruction-selector-arm64.cc b/src/compiler/arm64/instruction-selector-arm64.cc
index 2a962e9fc317dbc67bb0185645e84d33db7630f4..ee493cb75367f9b5077a262b439166383a4078a9 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -219,8 +219,9 @@
   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();
 }
 
 
@@ -1162,7 +1163,7 @@
   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);
@@ -1350,7 +1351,8 @@
                g.UseRegister(m.left().node()),
                g.TempImmediate(
                    base::bits::CountTrailingZeros32(m.right().Value())),
-               g.Label(cont.true_block()), g.Label(cont.false_block()));
+               g.Label(cont.true_block()),
+               g.Label(cont.false_block()))->MarkAsControl();
           return;
         }
         return VisitWordCompare(this, value, kArm64Tst32, &cont, true,
@@ -1367,7 +1369,8 @@
                g.UseRegister(m.left().node()),
                g.TempImmediate(
                    base::bits::CountTrailingZeros64(m.right().Value())),
-               g.Label(cont.true_block()), g.Label(cont.false_block()));
+               g.Label(cont.true_block()),
+               g.Label(cont.false_block()))->MarkAsControl();
           return;
         }
         return VisitWordCompare(this, value, kArm64Tst, &cont, true,
@@ -1380,7 +1383,8 @@
 
   // Branch could not be combined with a compare, compare against 0 and branch.
   Emit(cont.Encode(kArm64CompareAndBranch32), NULL, g.UseRegister(value),
-       g.Label(cont.true_block()), g.Label(cont.false_block()));
+       g.Label(cont.true_block()),
+       g.Label(cont.false_block()))->MarkAsControl();
 }