tests for inlining between IR and AST functions

tests/compiler/dart2js_extra/ssa_inlining_test.dart

+// Copyright (c) 2013, 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.
+
+import '../dart2js_native/compiler_test_internals.dart';
+import 'package:expect/expect.dart';
+
+// The function ast01 is built by an SsaFromAstBuilder.
+// Ir functions are inlined by an SsaFromIrInliner.
+
+@NoInline()
+@IrRepresentation(false)
+ast01() {
+  checkAst01(JS('', 'arguments.callee'));
+  print(ir01());
+  print(ir02());
+  return ast02(11);
+}
+
+@IrRepresentation(true)
+ir01() => ir04();
+
+@IrRepresentation(true)
+ir02() => ast06(10, 20);
+
+@IrRepresentation(false)
+ast06(a,b) {
+  JS('', 'String("in ast06")');
+  return 3*a + b;
+}
+
+@IrRepresentation(true)
+ir04() => ir05();
+
+@IrRepresentation(true)
+ir05() => ast07(1, 22);
+
+@IrRepresentation(false)
+ast07(i, j) {
+  var x = 0;
+  return ast08(i,j) ? i : j;
+}
+
+@IrRepresentation(false)
+ast08(x,y) {
+  JS('', 'String("in ast08")');
+  return x - y < 0;
+}
+
+@IrRepresentation(false)
+ast02(x) {
+  print(x);
+  ir06();
+  print(ir07());
+}
+
+@IrRepresentation(true)
+ir06() => ast04(1,2,3);
+
+@IrRepresentation(false)
+ast04(a, b, c) {
+  print(a + b - c);
+  JS('', 'String("in ast04")');
+}
+
+@IrRepresentation(true)
+ir07() => ir03();
+
+@IrRepresentation(true)
+ir03() => ast05(1,3);
+
+@IrRepresentation(false)
+ast05(a, b) {
+  JS('', 'String("in ast05")');
+  return (a+b)/2;
+}
+
+// The function ir08 is built by an SsaFromIrBuilder.
+// Ast functions are inlined by an SsaFromAstInliner.
+
+@NoInline()
+@IrRepresentation(true)
+ir08() => ir09();
+
+ir09() => ast09();
+
+ast09() {
+  checkIr08(JS('', 'arguments.callee'));
+  JS('', 'String("in ast09")');
+  print(ir01());
+  print(ir02());
+  print(ast02(11));
+}
+
+main() {
+  ast01();
+  ir08();
+}
+
+@NoInline()
+check(func, names) {
+  var source = JS('String', 'String(#)', func);
+  print(source);
+  for (var f in names) {
+    Expect.isTrue(source.contains('"in $f"'), "should inline '$f'");
+  }
+}
+
+@NoInline
+checkAst01(func) {
+  var names = ["ast04", "ast05", "ast06", "ast08"];
+  check(func, names);
+}
+
+checkIr08(func) {
+  var names = ["ast09", "ast04", "ast05", "ast06", "ast08"];
+  check(func, names);
+}