Implement representation selection as part of SimplifiedLowering. Representation selection also req…

test/cctest/compiler/test-changes-lowering.cc

Index: test/cctest/compiler/test-changes-lowering.cc
diff --git a/test/cctest/compiler/test-changes-lowering.cc b/test/cctest/compiler/test-changes-lowering.cc
index 9efd7d23a88dee8f7ab2c0f3d0fb0cc75a653fde..326d90b6a6cffb7ed42de9d79f793371e8c499f1 100644
--- a/test/cctest/compiler/test-changes-lowering.cc
+++ b/test/cctest/compiler/test-changes-lowering.cc
@@ -108,7 +108,7 @@ class ChangesLoweringTester : public GraphBuilderTester<ReturnType> {
                                        this->start(), this->start());
     Node* end = this->graph()->NewNode(this->common()->End(), ret);
     this->graph()->SetEnd(end);
-    this->lowering.Lower(change);
+    this->lowering.LowerChange(change, this->start(), this->start());
     Verifier::Run(this->graph());
   }
 
@@ -124,7 +124,7 @@ class ChangesLoweringTester : public GraphBuilderTester<ReturnType> {
         this->common()->Return(), this->Int32Constant(0), store, this->start());
     Node* end = this->graph()->NewNode(this->common()->End(), ret);
     this->graph()->SetEnd(end);
-    this->lowering.Lower(change);
+    this->lowering.LowerChange(change, this->start(), this->start());
     Verifier::Run(this->graph());
   }
 
@@ -139,7 +139,7 @@ class ChangesLoweringTester : public GraphBuilderTester<ReturnType> {
                                        this->start(), this->start());
     Node* end = this->graph()->NewNode(this->common()->End(), ret);
     this->graph()->SetEnd(end);
-    this->lowering.Lower(change);
+    this->lowering.LowerChange(change, this->start(), this->start());
     Verifier::Run(this->graph());
   }