v8/test/mjsunit/code-coverage-block-opt.js
Michael Starzinger 45b4522e40 [fullcodegen] Remove --stress-fullcodegen flag.
This is in preparation to the removal of the FullCodeGenerator, we no
longer need the ability to stress the underlying implementation.

R=rmcilroy@chromium.org
BUG=v8:6409

Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: Iad3177d6de4a68b57c12a770b6e85ed7a9710254
Reviewed-on: https://chromium-review.googlesource.com/584747
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47276}
2017-08-10 09:52:49 +00:00

47 lines
1.7 KiB
JavaScript

// Copyright 2017 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.
// Flags: --allow-natives-syntax --no-always-opt --block-coverage
// Flags: --harmony-async-iteration --opt
// Files: test/mjsunit/code-coverage-utils.js
%DebugToggleBlockCoverage(true);
TestCoverage(
"optimized and inlined functions",
`
function g() { if (true) nop(); } // 0000
function f() { g(); g(); } // 0050
f(); f(); %OptimizeFunctionOnNextCall(f); // 0100
f(); f(); f(); f(); f(); f(); // 0150
`,
[{"start":0,"end":199,"count":1},
{"start":0,"end":33,"count":4}, // TODO(jgruber): Invocation count is off.
{"start":25,"end":32,"count":16},
{"start":50,"end":76,"count":2}] // TODO(jgruber): Invocation count is off.
);
// This test is tricky: it requires a non-toplevel, optimized function.
// After initial collection, counts are cleared. Further invocation_counts
// are not collected for optimized functions, and on the next coverage
// collection we and up with an uncovered function with an uncovered parent
// but with non-trivial block coverage.
TestCoverage("Partial coverage collection",
`
!function() { // 0000
function f(x) { // 0050
if (x) { nop(); } else { nop(); } // 0100
} // 0150
f(true); f(true); // 0200
%OptimizeFunctionOnNextCall(f); // 0250
%DebugCollectCoverage(); // 0300
f(false); // 0350
}(); // 0400
`,
[{"start":52,"end":153,"count":0},
{"start":127,"end":152,"count":1}]
);
%DebugToggleBlockCoverage(false);