Extend TF test coverage to supported targets.

R=danno@google.com, titzer@chromium.org
TEST=all

Review URL: https://codereview.chromium.org/432313002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22787 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/compiler.cc

@@ -413,11 +413,15 @@ OptimizedCompileJob::Status OptimizedCompileJob::CreateGraph() {
       info()->function()->dont_optimize_reason() != kTryCatchStatement &&
       info()->function()->dont_optimize_reason() != kTryFinallyStatement &&
       // TODO(turbofan): Make OSR work and remove this bailout.
-      !info()->is_osr()) {
+      !info()->is_osr() &&
+      // TODO(mstarzinger): Extend test coverage to unsupported targets.
+      compiler::Pipeline::SupportedTarget()) {
     compiler::Pipeline pipeline(info());
     pipeline.GenerateCode();
+    if (!info()->code().is_null()) {
       return SetLastStatus(SUCCEEDED);
     }
+  }
 
   if (FLAG_trace_hydrogen) {
     Handle<String> name = info()->function()->debug_name();

src/compiler/pipeline.cc

@@ -170,7 +170,7 @@ Handle<Code> Pipeline::GenerateCode() {
     }
   }
 
-  {
+  if (SupportedTarget()) {
     // Lower any remaining generic JSOperators.
     PhaseStats lowering_stats(info(), PhaseStats::CREATE_GRAPH,
                               "generic lowering");

tools/run-tests.py

@@ -62,7 +62,7 @@ VARIANT_FLAGS = {
     "turbofan": ["--turbo-filter=*", "--always-opt"],
     "nocrankshaft": ["--nocrankshaft"]}
 
-VARIANTS = ["default", "stress", "nocrankshaft"]
+VARIANTS = ["default", "stress", "turbofan", "nocrankshaft"]
 
 MODE_FLAGS = {
     "debug"   : ["--nohard-abort", "--nodead-code-elimination",