[turbofan] Factored out the test live range builder.
I plan to reuse this for live range splitting/splintering/merging tests. BUG= Review URL: https://codereview.chromium.org/1305313008 Cr-Commit-Position: refs/heads/master@{#30461}
This commit is contained in:
parent
3f6e5b3014
commit
9987734fe5
@ -3,6 +3,7 @@
|
||||
// found in the LICENSE file.
|
||||
|
||||
#include "src/compiler/coalesced-live-ranges.h"
|
||||
#include "test/unittests/compiler/live-range-builder.h"
|
||||
#include "test/unittests/test-utils.h"
|
||||
|
||||
namespace v8 {
|
||||
@ -10,50 +11,6 @@ namespace internal {
|
||||
namespace compiler {
|
||||
|
||||
|
||||
// Utility offering shorthand syntax for building up a range by providing its ID
|
||||
// and pairs (start, end) specifying intervals. Circumvents current incomplete
|
||||
// support for C++ features such as instantiation lists, on OS X and Android.
|
||||
class TestRangeBuilder {
|
||||
public:
|
||||
explicit TestRangeBuilder(Zone* zone) : id_(-1), pairs_(), zone_(zone) {}
|
||||
|
||||
TestRangeBuilder& Id(int id) {
|
||||
id_ = id;
|
||||
return *this;
|
||||
}
|
||||
TestRangeBuilder& Add(int start, int end) {
|
||||
pairs_.push_back({start, end});
|
||||
return *this;
|
||||
}
|
||||
|
||||
LiveRange* Build(int start, int end) { return Add(start, end).Build(); }
|
||||
|
||||
LiveRange* Build() {
|
||||
TopLevelLiveRange* range =
|
||||
new (zone_) TopLevelLiveRange(id_, MachineType::kRepTagged);
|
||||
// Traverse the provided interval specifications backwards, because that is
|
||||
// what LiveRange expects.
|
||||
for (int i = static_cast<int>(pairs_.size()) - 1; i >= 0; --i) {
|
||||
Interval pair = pairs_[i];
|
||||
LifetimePosition start = LifetimePosition::FromInt(pair.first);
|
||||
LifetimePosition end = LifetimePosition::FromInt(pair.second);
|
||||
CHECK(start < end);
|
||||
range->AddUseInterval(start, end, zone_);
|
||||
}
|
||||
|
||||
pairs_.clear();
|
||||
return range;
|
||||
}
|
||||
|
||||
private:
|
||||
typedef std::pair<int, int> Interval;
|
||||
typedef std::vector<Interval> IntervalList;
|
||||
int id_;
|
||||
IntervalList pairs_;
|
||||
Zone* zone_;
|
||||
};
|
||||
|
||||
|
||||
class CoalescedLiveRangesTest : public TestWithZone {
|
||||
public:
|
||||
CoalescedLiveRangesTest() : TestWithZone(), ranges_(zone()) {}
|
||||
|
63
test/unittests/compiler/live-range-builder.h
Normal file
63
test/unittests/compiler/live-range-builder.h
Normal file
@ -0,0 +1,63 @@
|
||||
// Copyright 2015 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.
|
||||
|
||||
#ifndef V8_LIVE_RANGE_BUILDER_H_
|
||||
#define V8_LIVE_RANGE_BUILDER_H_
|
||||
|
||||
#include "src/compiler/register-allocator.h"
|
||||
|
||||
namespace v8 {
|
||||
namespace internal {
|
||||
namespace compiler {
|
||||
|
||||
|
||||
// Utility offering shorthand syntax for building up a range by providing its ID
|
||||
// and pairs (start, end) specifying intervals. Circumvents current incomplete
|
||||
// support for C++ features such as instantiation lists, on OS X and Android.
|
||||
class TestRangeBuilder {
|
||||
public:
|
||||
explicit TestRangeBuilder(Zone* zone) : id_(-1), pairs_(), zone_(zone) {}
|
||||
|
||||
TestRangeBuilder& Id(int id) {
|
||||
id_ = id;
|
||||
return *this;
|
||||
}
|
||||
TestRangeBuilder& Add(int start, int end) {
|
||||
pairs_.push_back({start, end});
|
||||
return *this;
|
||||
}
|
||||
|
||||
LiveRange* Build(int start, int end) { return Add(start, end).Build(); }
|
||||
|
||||
LiveRange* Build() {
|
||||
TopLevelLiveRange* range =
|
||||
new (zone_) TopLevelLiveRange(id_, MachineType::kRepTagged);
|
||||
// Traverse the provided interval specifications backwards, because that is
|
||||
// what LiveRange expects.
|
||||
for (int i = static_cast<int>(pairs_.size()) - 1; i >= 0; --i) {
|
||||
Interval pair = pairs_[i];
|
||||
LifetimePosition start = LifetimePosition::FromInt(pair.first);
|
||||
LifetimePosition end = LifetimePosition::FromInt(pair.second);
|
||||
CHECK(start < end);
|
||||
range->AddUseInterval(start, end, zone_);
|
||||
}
|
||||
|
||||
pairs_.clear();
|
||||
return range;
|
||||
}
|
||||
|
||||
private:
|
||||
typedef std::pair<int, int> Interval;
|
||||
typedef std::vector<Interval> IntervalList;
|
||||
int id_;
|
||||
IntervalList pairs_;
|
||||
Zone* zone_;
|
||||
};
|
||||
|
||||
|
||||
} // namespace compiler
|
||||
} // namespace internal
|
||||
} // namespace v8
|
||||
|
||||
#endif // V8_LIVE_RANGE_BUILDER_H_
|
Loading…
Reference in New Issue
Block a user