Ensure that we never try to split range at its end position.

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
@@ skipping 934 matching lines @@
 
 #define __ compiler->assembler()->
 
 void GraphEntryInstr::PrepareEntry(FlowGraphCompiler* compiler) {
   // Nothing to do.
 }
 
 
 void JoinEntryInstr::PrepareEntry(FlowGraphCompiler* compiler) {
   __ Bind(compiler->GetBlockLabel(this));
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
 }
 
 
 void TargetEntryInstr::PrepareEntry(FlowGraphCompiler* compiler) {
   __ Bind(compiler->GetBlockLabel(this));
   if (HasTryIndex()) {
     compiler->AddExceptionHandler(try_index(),
                                   compiler->assembler()->CodeSize());
   }
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
 }
 
 
 LocationSummary* StoreInstanceFieldComp::MakeLocationSummary() const {
   const intptr_t kNumInputs = 2;
   const intptr_t num_temps = HasICData() ? 1 : 0;
   LocationSummary* summary = new LocationSummary(kNumInputs, num_temps);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   if (HasICData()) {
@@ skipping 62 matching lines @@
   __ int3();
 }
 
 
 LocationSummary* GotoInstr::MakeLocationSummary() const {
   return new LocationSummary(0, 0);
 }
 
 
 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
+
   // We can fall through if the successor is the next block in the list.
   // Otherwise, we need a jump.
   if (!compiler->IsNextBlock(successor())) {
     __ jmp(compiler->GetBlockLabel(successor()));
   }
 }
 
 
 static Condition NegateCondition(Condition condition) {
   switch (condition) {
@@ skipping 280 matching lines @@
   if (compiler->is_ssa()) {
     ASSERT(locs()->in(0).IsRegister());
     __ PushRegister(locs()->in(0).reg());
   }
 }
 
 
 #undef __
 
 }  // namespace dart