v8/test/mjsunit/code-coverage-block-opt.js
Jakob Gruber 95d4a55e65 [nojit] Auto-skip --opt tests in jitless mode
This piggy-backs off similar support for lite mode, which silently skips
tests that require optimization in lite (and now jitless) modes.

Bug: v8:7777,v8:8778, v8:8885
Change-Id: I666d92685ca71682224028743f02d0cce3723135
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1503758
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60057}
2019-03-06 12:45:17 +00:00

52 lines
1.9 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 --opt
// Flags: --no-stress-flush-bytecode --turbo-inlining
// Files: test/mjsunit/code-coverage-utils.js
if (isNeverOptimizeLiteMode()) {
print("Warning: skipping test that requires optimization in Lite mode.");
testRunner.quit(0);
}
%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":31,"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":121,"end":137,"count":1}]
);
%DebugToggleBlockCoverage(false);