[turbofan] move Node to vreg mapping to InstructionSelector

test/cctest/compiler/test-instruction.cc

Index: test/cctest/compiler/test-instruction.cc
diff --git a/test/cctest/compiler/test-instruction.cc b/test/cctest/compiler/test-instruction.cc
index d61f34c4bffbb4659a4bf6a64377fe9c87898a04..2b41e40c6b049f598db900f61541ee27b701d12d 100644
--- a/test/cctest/compiler/test-instruction.cc
+++ b/test/cctest/compiler/test-instruction.cc
@@ -55,7 +55,7 @@ class InstructionTester : public HandleAndZoneScope {
       Scheduler::ComputeSpecialRPO(&zone_pool, &schedule);
       DCHECK(schedule.rpo_order()->size() > 0);
     }
-    code = new TestInstrSeq(main_zone(), &graph, &schedule);
+    code = new TestInstrSeq(main_zone(), &schedule);
   }
 
   Node* Int32Constant(int32_t val) {
@@ -128,8 +128,6 @@ TEST(InstructionBasic) {
 
   R.allocCode();
 
-  CHECK_EQ(R.graph.NodeCount(), R.code->node_count());
-
   BasicBlockVector* blocks = R.schedule.rpo_order();
   CHECK_EQ(static_cast<int>(blocks->size()), R.code->InstructionBlockCount());