Add more inlining unit tests.

- Scheduler can inline a function with a loop.
- Inlining strict into non-strict works correctly.
- Inlining non-strict into strict works correctly.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/515103002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23511 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/cctest.status

@@ -80,6 +80,9 @@
   ##############################################################################
   # TurboFan compiler failures.
 
+  # Scheduler cannot handle free-floating loops yet
+  'test-run-inlining/InlineLoop': [SKIP],
+
   # TODO(mstarzinger): Sometimes the try-catch blacklist fails.
   'test-debug/DebugEvaluateWithoutStack': [PASS, NO_VARIANTS],
   'test-debug/MessageQueues': [PASS, NO_VARIANTS],

test/cctest/compiler/test-run-inlining.cc

@@ -192,4 +192,55 @@ TEST(InlineTwiceDependentDiamondDifferent) {
   T.CheckCall(T.Val(-329), T.Val(11), T.Val(4));
 }
 
+
+TEST(InlineLoop) {
+  FunctionTester T(
+      "(function () {"
+      "var x = 41;"
+      "function foo(s) { AssertStackDepth(1); while (s > 0) {"
+      "                  s = s - 1; }; return s; };"
+      "function bar(s,t) { return foo(foo(s)); };"
+      "return bar;"
+      "})();",
+      CompilationInfo::kInliningEnabled |
+          CompilationInfo::kContextSpecializing);
+
+  InstallAssertStackDepthHelper(CcTest::isolate());
+  T.CheckCall(T.Val(0.0), T.Val(11), T.Val(4));
+}
+
+
+TEST(InlineStrictIntoNonStrict) {
+  FunctionTester T(
+      "(function () {"
+      "var x = Object.create({}, { y: { value:42, writable:false } });"
+      "function foo(s) { 'use strict';"
+      "                   x.y = 9; };"
+      "function bar(s,t) { return foo(s); };"
+      "return bar;"
+      "})();",
+      CompilationInfo::kInliningEnabled |
+          CompilationInfo::kContextSpecializing);
+
+  InstallAssertStackDepthHelper(CcTest::isolate());
+  T.CheckThrows(T.undefined(), T.undefined());
+}
+
+
+TEST(InlineNonStrictIntoStrict) {
+  FunctionTester T(
+      "(function () {"
+      "var x = Object.create({}, { y: { value:42, writable:false } });"
+      "function foo(s) { x.y = 9; return x.y; };"
+      "function bar(s,t) { \'use strict\'; return foo(s); };"
+      "return bar;"
+      "})();",
+      CompilationInfo::kInliningEnabled |
+          CompilationInfo::kContextSpecializing);
+
+  InstallAssertStackDepthHelper(CcTest::isolate());
+  T.CheckCall(T.Val(42), T.undefined(), T.undefined());
+}
+
+
 #endif  // V8_TURBOFAN_TARGET