Extend TF test coverage to unsupported targets.

src/compiler/pipeline.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/pipeline.h"
 
 #include "src/base/platform/elapsed-timer.h"
 #include "src/compiler/ast-graph-builder.h"
 #include "src/compiler/code-generator.h"
 #include "src/compiler/graph-replay.h"
@@ skipping 152 matching lines @@
       // Lower JSOperators where we can determine types.
       PhaseStats lowering_stats(info(), PhaseStats::CREATE_GRAPH,
                                 "typed lowering");
       JSTypedLowering lowering(&jsgraph, &source_positions);
       lowering.LowerAllNodes();
 
       VerifyAndPrintGraph(&graph, "Lowered typed");
     }
   }
 
-  if (SupportedTarget()) {
-    // Lower any remaining generic JSOperators.
-    PhaseStats lowering_stats(info(), PhaseStats::CREATE_GRAPH,
-                              "generic lowering");
-    MachineOperatorBuilder machine(zone());
-    JSGenericLowering lowering(info(), &jsgraph, &machine, &source_positions);
-    lowering.LowerAllNodes();
-
-    VerifyAndPrintGraph(&graph, "Lowered generic");
-  }
-
-  // Compute a schedule.
-  Schedule* schedule = ComputeSchedule(&graph);
-  TraceSchedule(schedule);
-
   Handle<Code> code = Handle<Code>::null();
   if (SupportedTarget()) {
     {
+      // Lower any remaining generic JSOperators.
+      PhaseStats lowering_stats(info(), PhaseStats::CREATE_GRAPH,
+                                "generic lowering");
+      MachineOperatorBuilder machine(zone());
+      JSGenericLowering lowering(info(), &jsgraph, &machine, &source_positions);
+      lowering.LowerAllNodes();
+
+      VerifyAndPrintGraph(&graph, "Lowered generic");
+    }
+
+    // Compute a schedule.
+    Schedule* schedule = ComputeSchedule(&graph);
+    TraceSchedule(schedule);
+
+    {
       // Generate optimized code.
       PhaseStats codegen_stats(info(), PhaseStats::CODEGEN, "codegen");
       Linkage linkage(info());
       code = GenerateCode(&linkage, &graph, schedule, &source_positions);
       info()->SetCode(code);
     }
+
     // Print optimized code.
     v8::internal::CodeGenerator::PrintCode(code, info());
   }
 
   if (FLAG_trace_turbo) {
     OFStream os(stdout);
     os << "--------------------------------------------------\n"
        << "Finished compiling method "
        << info()->function()->debug_name()->ToCString().get()
        << " using Turbofan" << endl;
@@ skipping 76 matching lines @@
   }
 
   // Generate native sequence.
   CodeGenerator generator(&sequence);
   return generator.GenerateCode();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8