Rename is_call to always_calls and contains_call to can_call.

runtime/vm/flow_graph_compiler.cc

 // Copyright (c) 2012, 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_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
@@ skipping 689 matching lines @@
       locs->set_in(i, Location::RegisterLocation(reg));
     }
 
     // Inputs are consumed from the simulated frame. In case of a call argument
     // we leave it until the call instruction.
     if (!instr->IsPushArgument()) Pop(reg, instr->InputAt(i));
   }
 
   // If this instruction is call spill everything that was not consumed by
   // input locations.
-  if (locs->contains_call() || instr->IsBranch() || instr->IsGoto()) {
+  if (locs->can_call() || instr->IsBranch() || instr->IsGoto()) {
     Spill();
   }
 
   // Allocate all unallocated temp locations.
   for (intptr_t i = 0; i < locs->temp_count(); i++) {
     Location loc = locs->temp(i);
     if (loc.IsUnallocated()) {
       ASSERT(loc.policy() == Location::kRequiresRegister);
       loc = Location::RegisterLocation(
         AllocateFreeRegister(blocked_registers));
@@ skipping 176 matching lines @@
       return;
     }
   }
 
   // This move is not blocked.
   EmitMove(index);
 }
 
 
 }  // namespace dart