Merge TRUNCDIV and MOD into one instruction. Icorporated feedback from CL https://codereview.chromi…

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, 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/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
@@ skipping 2920 matching lines @@
     case MethodRecognizer::kMathSin:
       return kSinRuntimeEntry;
     case MethodRecognizer::kMathCos:
       return kCosRuntimeEntry;
     default:
       UNREACHABLE();
   }
   return kSinRuntimeEntry;
 }
 
+
+MergedMathInstr::MergedMathInstr(ZoneGrowableArray<Value*>* inputs,
+                                 intptr_t original_deopt_id,
+                                 MergedMathInstr::Kind kind)
+    : inputs_(inputs),
+      locs_(NULL),
+      kind_(kind) {
+  ASSERT(inputs_->length() == InputCountFor(kind_));
+  for (intptr_t i = 0; i < inputs_->length(); ++i) {
+    ASSERT((*inputs)[i] != NULL);
+    (*inputs)[i]->set_instruction(this);
+    (*inputs)[i]->set_use_index(i);
+  }
+  deopt_id_ = original_deopt_id;
+}
+
 #undef __
 
 }  // namespace dart