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Contents
// Copyright 2016 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/crankshaft/compilation-phase.h"
#include "src/crankshaft/hydrogen.h"
#include "src/isolate.h"
#include "src/objects-inl.h"
namespace v8 {
namespace internal {
CompilationPhase::CompilationPhase(const char* name, CompilationInfo* info)
: name_(name), info_(info), zone_(info->isolate()->allocator(), ZONE_NAME) {
if (FLAG_hydrogen_stats) {
info_zone_start_allocation_size_ = info->zone()->allocation_size();
timer_.Start();
}
}
CompilationPhase::~CompilationPhase() {
if (FLAG_hydrogen_stats) {
size_t size = zone()->allocation_size();
size += info_->zone()->allocation_size() - info_zone_start_allocation_size_;
isolate()->GetHStatistics()->SaveTiming(name_, timer_.Elapsed(), size);
}
}
bool CompilationPhase::ShouldProduceTraceOutput() const {
// Trace if the appropriate trace flag is set and the phase name's first
// character is in the FLAG_trace_phase command line parameter.
AllowHandleDereference allow_deref;
bool tracing_on =
info()->IsStub()
? FLAG_trace_hydrogen_stubs
: (FLAG_trace_hydrogen &&
info()->shared_info()->PassesFilter(FLAG_trace_hydrogen_filter));
return (tracing_on &&
base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) !=
NULL);
}
} // namespace internal
} // namespace v8
Version data entries
5 entries across 5 versions & 1 rubygems