ef97aa7cc2
This reverts commit 289b25765a.
Reason for revert: Fails gc-stress: https://ci.chromium.org/p/v8/builders/ci/V8%20Mac64%20GC%20Stress/7143
Original change's description:
> [Test] Update tests to work with lazy feedback allocation.
>
> This adds either %EnsureFeedbackVectorForFunction or
> %PrepareFunctionForOptimization to allocate feedback vectors when testing
> optimization, allocation sites, IC transitions etc.,
>
> Bug: v8:8394
> Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Auto-Submit: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61212}
TBR=rmcilroy@chromium.org,mythria@chromium.org
Change-Id: I2a78bfd3ee6102c1d2062957970f425308050d3d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8394
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594565
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61213}
91 lines
3.4 KiB
JavaScript
91 lines
3.4 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Flags: --allow-natives-syntax --opt --no-always-opt
|
|
|
|
deopt_trigger = 0;
|
|
side_effect = 0;
|
|
|
|
function test(a, b, c, d, e, v) {
|
|
// This test expects some specific input values.
|
|
assertEquals(10.0, a);
|
|
assertEquals(20.0, b);
|
|
assertEquals(30.0, c);
|
|
assertEquals(40.0, d);
|
|
assertEquals(50.0, e);
|
|
assertEquals(1.5, v);
|
|
|
|
// Perform a few double calculations.
|
|
a = a * 0.1;
|
|
b = b * 0.2;
|
|
c = c * 0.3;
|
|
d = d * 0.4;
|
|
e = e * 0.5;
|
|
|
|
// Write to a field of a global object. As for any side effect, a HSimulate
|
|
// will be introduced after the instructions to support this. If we deopt
|
|
// later in this function, the execution will resume in full-codegen after
|
|
// this point.
|
|
side_effect++;
|
|
// The following field of the global object will be deleted to force a deopt.
|
|
// If we use type feedback to deopt, then tests ran with --stress-opt will
|
|
// not deopt after a few iteration.
|
|
// If we use %DeoptimizeFunction, all values will be on the frame due to the
|
|
// call and we will not exercise the translation mechanism handling fp
|
|
// registers.
|
|
deopt_trigger = v;
|
|
|
|
// Do a few more calculations using the previous values after our deopt point
|
|
// so the floating point registers which hold those values are recorded in the
|
|
// environment and will be used during deoptimization.
|
|
a = a * v;
|
|
b = b * v;
|
|
c = c * v;
|
|
d = d * v;
|
|
e = e * v;
|
|
|
|
// Check that we got the expected results.
|
|
assertEquals(1.5, a);
|
|
assertEquals(6, b);
|
|
assertEquals(13.5, c);
|
|
assertEquals(24, d);
|
|
assertEquals(37.5, e);
|
|
}
|
|
|
|
|
|
test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
|
|
test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
|
|
%OptimizeFunctionOnNextCall(test);
|
|
test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
|
|
assertOptimized(test);
|
|
|
|
// By deleting the field we are forcing the code to deopt when the field is
|
|
// read on next execution.
|
|
delete deopt_trigger;
|
|
test(10.0, 20.0, 30.0, 40.0, 50.0, 1.5);
|
|
assertUnoptimized(test);
|