Eliminated with_checks variable

runtime/vm/intermediate_language_dbc.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_DBC.
 #if defined(TARGET_ARCH_DBC)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/cpu.h"
@@ skipping 227 matching lines @@
 EMIT_NATIVE_CODE(PolymorphicInstanceCall,
                  0,
                  Location::RegisterLocation(0),
                  LocationSummary::kCall) {
   const Array& arguments_descriptor = Array::Handle(ArgumentsDescriptor::New(
       instance_call()->ArgumentCount(), instance_call()->argument_names()));
   const intptr_t argdesc_kidx = __ AddConstant(arguments_descriptor);
   const CallTargets& ic_data = targets();
 
   // Push the target onto the stack.
-  if (with_checks()) {
-    const intptr_t length = ic_data.length();
-    if (!Utils::IsUint(8, length)) {
-      Unsupported(compiler);
-      UNREACHABLE();
+  const intptr_t length = ic_data.length();
+  if (!Utils::IsUint(8, length)) {
+    Unsupported(compiler);
+    UNREACHABLE();
+  }
+  bool using_ranges = false;
+  for (intptr_t i = 0; i < length; i++) {
+    if (ic_data[i].cid_start != ic_data[i].cid_end) {
+      using_ranges = true;
+      break;
     }
-    bool using_ranges = false;
-    for (intptr_t i = 0; i < length; i++) {
-      if (ic_data[i].cid_start != ic_data[i].cid_end) {
-        using_ranges = true;
-        break;
-      }
+  }
+
+  if (using_ranges) {
+    __ PushPolymorphicInstanceCallByRange(instance_call()->ArgumentCount(),
+                                          length);
+  } else {
+    __ PushPolymorphicInstanceCall(instance_call()->ArgumentCount(), length);
+  }
+  for (intptr_t i = 0; i < length; i++) {
+    const Function& target = *ic_data[i].target;
+    intptr_t cid_start = ic_data[i].cid_start;
+    intptr_t cid_end = ic_data[i].cid_end;
+
+    __ Nop(compiler->ToEmbeddableCid(cid_start, this));
+    if (using_ranges) {
+      __ Nop(compiler->ToEmbeddableCid(1 + cid_end - cid_start, this));
     }
-
-    if (using_ranges) {
-      __ PushPolymorphicInstanceCallByRange(instance_call()->ArgumentCount(),
-                                            length);
-    } else {
-      __ PushPolymorphicInstanceCall(instance_call()->ArgumentCount(), length);
-    }
-    for (intptr_t i = 0; i < length; i++) {
-      const Function& target = *ic_data[i].target;
-      intptr_t cid_start = ic_data[i].cid_start;
-      intptr_t cid_end = ic_data[i].cid_end;
-
-      __ Nop(compiler->ToEmbeddableCid(cid_start, this));
-      if (using_ranges) {
-        __ Nop(compiler->ToEmbeddableCid(1 + cid_end - cid_start, this));
-      }
-      __ Nop(__ AddConstant(target));
-    }
-    compiler->EmitDeopt(deopt_id(),
-                        ICData::kDeoptPolymorphicInstanceCallTestFail, 0);
-  } else {
-    ASSERT(targets().HasSingleTarget());
-    const Function& target = targets().FirstTarget();
-    __ PushConstant(target);
+    __ Nop(__ AddConstant(target));
   }
+  compiler->EmitDeopt(deopt_id(), ICData::kDeoptPolymorphicInstanceCallTestFail,
+                      0);
 
   // Call the function.
   __ StaticCall(instance_call()->ArgumentCount(), argdesc_kidx);
   compiler->AddCurrentDescriptor(RawPcDescriptors::kOther, deopt_id(),
                                  instance_call()->token_pos());
   compiler->RecordAfterCall(this, FlowGraphCompiler::kHasResult);
   __ PopLocal(locs()->out(0).reg());
 }
 
 
@@ skipping 1787 matching lines @@
   }
   __ IfULe(length, index);
   compiler->EmitDeopt(deopt_id(), ICData::kDeoptCheckArrayBound,
                       (generalized_ ? ICData::kGeneralized : 0) |
                           (licm_hoisted_ ? ICData::kHoisted : 0));
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC