[turbofan] Output file for C1 visualizer.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 7da2fb543c9d32c77bad75e558ac262d942b20ce..36c9339bb18043b03480c6bec5737aeba8e42c4c 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -4,6 +4,7 @@
 
 #include "src/compiler/pipeline.h"
 
+#include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/base/platform/elapsed-timer.h"
@@ -90,13 +91,20 @@ static inline bool VerifyGraphs() {
 }
 
 
+void Pipeline::PrintCompilationStart() {
+  std::ofstream turbo_cfg_stream("turbo.cfg",

[Vyacheslav Egorov (Google), 2014/10/13 07:42:10]

consider mangling the name with PID so it works from multiprocess application
like Chrome

+                                 std::fstream::out | std::fstream::app);
+  turbo_cfg_stream << AsC1VCompilation(info());
+}
+
+
 void Pipeline::VerifyAndPrintGraph(Graph* graph, const char* phase) {
   if (FLAG_trace_turbo) {
     char buffer[256];
     Vector<char> filename(buffer, sizeof(buffer));
+    SmartArrayPointer<char> functionname;
     if (!info_->shared_info().is_null()) {
-      SmartArrayPointer<char> functionname =
-          info_->shared_info()->DebugName()->ToCString();
+      functionname = info_->shared_info()->DebugName()->ToCString();
       if (strlen(functionname.get()) > 0) {
         SNPrintF(filename, "turbo-%s-%s", functionname.get(), phase);
       } else {
@@ -132,6 +140,23 @@ void Pipeline::VerifyAndPrintGraph(Graph* graph, const char* phase) {
 }
 
 
+void Pipeline::PrintScheduleAndInstructions(
+    const char* phase, const Schedule* schedule,
+    const InstructionSequence* instructions) {
+  std::ofstream turbo_cfg_stream("turbo.cfg",
+                                 std::fstream::out | std::fstream::app);
+  turbo_cfg_stream << AsC1V(phase, schedule, instructions);
+}
+
+
+void Pipeline::PrintAllocator(const char* phase,
+                              const RegisterAllocator* allocator) {
+  std::ofstream turbo_cfg_stream("turbo.cfg",
+                                 std::fstream::out | std::fstream::app);
+  turbo_cfg_stream << AsC1VAllocator(phase, allocator);
+}
+
+
 class AstGraphBuilderWithPositions : public AstGraphBuilder {
  public:
   explicit AstGraphBuilderWithPositions(CompilationInfo* info, JSGraph* jsgraph,
@@ -188,6 +213,7 @@ Handle<Code> Pipeline::GenerateCode() {
        << "Begin compiling method "
        << info()->function()->debug_name()->ToCString().get()
        << " using Turbofan" << std::endl;
+    PrintCompilationStart();
   }
 
   // Build the graph.
@@ -405,6 +431,7 @@ Handle<Code> Pipeline::GenerateCode(Linkage* linkage, Graph* graph,
     OFStream os(stdout);
     os << "----- Instruction sequence before register allocation -----\n"
        << sequence;
+    PrintScheduleAndInstructions("CodeGen", schedule, &sequence);
   }
 
   // Allocate registers.
@@ -419,6 +446,9 @@ Handle<Code> Pipeline::GenerateCode(Linkage* linkage, Graph* graph,
       linkage->info()->AbortOptimization(kNotEnoughVirtualRegistersRegalloc);
       return Handle<Code>::null();
     }
+    if (FLAG_trace_turbo) {
+      PrintAllocator("CodeGen", &allocator);
+    }
   }
 
   if (FLAG_trace_turbo) {