cps-ir: Add a test for codegeneration.

pkg/compiler/lib/src/ssa/codegen.dart

Index: pkg/compiler/lib/src/ssa/codegen.dart
diff --git a/pkg/compiler/lib/src/ssa/codegen.dart b/pkg/compiler/lib/src/ssa/codegen.dart
index 2eaad68c6cbf6998afc6dbbe0425909ba64ff31f..9de01de2814127c798034820350ae4f1d5fbce38 100644
--- a/pkg/compiler/lib/src/ssa/codegen.dart
+++ b/pkg/compiler/lib/src/ssa/codegen.dart
@@ -1813,26 +1813,9 @@ class SsaCodeGenerator implements HVisitor, HBlockInformationVisitor {
     }
   }
 
-  void generateConstant(ConstantValue constant) {
-    if (constant.isFunction) {
-      FunctionConstantValue function = constant;
-      registry.registerStaticUse(function.element);
-    }
-    if (constant.isType) {
-      // If the type is a web component, we need to ensure the constructors are
-      // available to 'upgrade' the native object.
-      TypeConstantValue type = constant;
-      Element element = type.representedType.element;
-      if (element != null && element.isClass) {
-        registry.registerTypeConstant(element);
-      }
-    }
-    push(backend.emitter.constantReference(constant));
-  }
-
   visitConstant(HConstant node) {
     assert(isGenerateAtUseSite(node));
-    generateConstant(node.constant);
+    push(backend.emitter.constantReference(node.constant));

[floitsch, 2014/11/17 15:03:30]

Please keep the code.
I tried to remove it in a separate CL, and it broke the tests.

See https://codereview.chromium.org/721093003/

[karlklose, 2014/11/17 16:11:58]

That was a merge error, reverted.

 
     registry.registerCompileTimeConstant(node.constant);
     backend.constants.addCompileTimeConstantForEmission(node.constant);