v8/test/mjsunit/regress/regress-2618.js

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// 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: --use-osr --allow-natives-syntax --turbofan
// Flags: --no-always-turbofan
// Can't OSR with always-turbofan or in Lite mode.
if (isNeverOptimizeLiteMode()) {
print("Warning: skipping test that requires optimization in Lite mode.");
testRunner.quit(0);
}
assertFalse(isAlwaysOptimize());
Reland "Reland "[osr] Use the new OSR cache"" This is a reland of commit 9145388055f7f89d8c19fd944fe7612413fae182 Fixed: properly reference the ClearedValue in CSA (i.e. without the cage_base upper 32 bits). Original change's description: > Reland "[osr] Use the new OSR cache" > > This is a reland of commit 91da38831d90576879eac92caaed2c5dc5a7b03d > > Fixed: Use an X register for JumpIfCodeTIsMarkedForDeoptimization > on arm64. > > Original change's description: > > [osr] Use the new OSR cache > > > > This CL switches over our OSR system to be based on the feedback > > vector osr caches. > > > > - OSRing to Sparkplug is fully separated from OSR urgency. If > > SP code exists, we simply jump to it, no need to maintain an > > installation request. > > - Each JumpLoop checks its dedicated FeedbackVector cache slot. > > If a valid target code object exists, we enter it *without* > > calling into runtime to fetch the code object. > > - Finally, OSR urgency still remains as the heuristic for > > requesting Turbofan OSR compile jobs. Note it no longer has a > > double purpose of being a generic untargeted installation > > request. > > > > With the new system in place, we can remove now-unnecessary > > hacks: > > > > - Early OSR tierup is replaced by the standard OSR system. Any > > present OSR code is automatically entered. > > - The synchronous OSR compilation fallback is removed. With > > precise installation (= per-JumpLoop-bytecode) we no longer > > have the problem of 'getting unlucky' with JumpLoop/cache entry > > mismatches. Execution has moved on while compiling? Simply spawn > > a new concurrent compile job. > > - Remove the synchronous (non-OSR) Turbofan compile request now > > that we always enter available OSR code as early as possible. > > - Tiering into Sparkplug no longer messes with OSR state. > > > > Bug: v8:12161 > > Change-Id: I0a85e53d363504b7dac174dbaf69c03c35e66700 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3596167 > > Commit-Queue: Jakob Linke <jgruber@chromium.org> > > Auto-Submit: Jakob Linke <jgruber@chromium.org> > > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > > Cr-Commit-Position: refs/heads/main@{#80147} > > Bug: v8:12161 > Change-Id: Ib3597cf1d99cdb5d0f2c5ac18e311914f376231d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3606232 > Auto-Submit: Jakob Linke <jgruber@chromium.org> > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > Cr-Commit-Position: refs/heads/main@{#80167} Bug: v8:12161,chromium:1320189 Change-Id: Ibd9a2ab61f51ebb32a3f5a66f7c602faead71c3e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3620273 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80306}
2022-05-02 11:11:16 +00:00
function f(disable_asserts) {
do {
do {
for (var i = 0; i < 10; i++) {
%OptimizeOsr();
%PrepareFunctionForOptimization(f);
}
// Note: this check can't be wrapped in a function, because
// calling that function causes a deopt from lack of call
// feedback.
var opt_status = %GetOptimizationStatus(f);
assertTrue(
Reland "Reland "[osr] Use the new OSR cache"" This is a reland of commit 9145388055f7f89d8c19fd944fe7612413fae182 Fixed: properly reference the ClearedValue in CSA (i.e. without the cage_base upper 32 bits). Original change's description: > Reland "[osr] Use the new OSR cache" > > This is a reland of commit 91da38831d90576879eac92caaed2c5dc5a7b03d > > Fixed: Use an X register for JumpIfCodeTIsMarkedForDeoptimization > on arm64. > > Original change's description: > > [osr] Use the new OSR cache > > > > This CL switches over our OSR system to be based on the feedback > > vector osr caches. > > > > - OSRing to Sparkplug is fully separated from OSR urgency. If > > SP code exists, we simply jump to it, no need to maintain an > > installation request. > > - Each JumpLoop checks its dedicated FeedbackVector cache slot. > > If a valid target code object exists, we enter it *without* > > calling into runtime to fetch the code object. > > - Finally, OSR urgency still remains as the heuristic for > > requesting Turbofan OSR compile jobs. Note it no longer has a > > double purpose of being a generic untargeted installation > > request. > > > > With the new system in place, we can remove now-unnecessary > > hacks: > > > > - Early OSR tierup is replaced by the standard OSR system. Any > > present OSR code is automatically entered. > > - The synchronous OSR compilation fallback is removed. With > > precise installation (= per-JumpLoop-bytecode) we no longer > > have the problem of 'getting unlucky' with JumpLoop/cache entry > > mismatches. Execution has moved on while compiling? Simply spawn > > a new concurrent compile job. > > - Remove the synchronous (non-OSR) Turbofan compile request now > > that we always enter available OSR code as early as possible. > > - Tiering into Sparkplug no longer messes with OSR state. > > > > Bug: v8:12161 > > Change-Id: I0a85e53d363504b7dac174dbaf69c03c35e66700 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3596167 > > Commit-Queue: Jakob Linke <jgruber@chromium.org> > > Auto-Submit: Jakob Linke <jgruber@chromium.org> > > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > > Cr-Commit-Position: refs/heads/main@{#80147} > > Bug: v8:12161 > Change-Id: Ib3597cf1d99cdb5d0f2c5ac18e311914f376231d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3606232 > Auto-Submit: Jakob Linke <jgruber@chromium.org> > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > Cr-Commit-Position: refs/heads/main@{#80167} Bug: v8:12161,chromium:1320189 Change-Id: Ibd9a2ab61f51ebb32a3f5a66f7c602faead71c3e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3620273 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80306}
2022-05-02 11:11:16 +00:00
disable_asserts ||
(opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0 ||
(opt_status & V8OptimizationStatus.kTopmostFrameIsTurboFanned) !== 0);
} while (false);
} while (false);
}
%PrepareFunctionForOptimization(f);
Reland "Reland "[osr] Use the new OSR cache"" This is a reland of commit 9145388055f7f89d8c19fd944fe7612413fae182 Fixed: properly reference the ClearedValue in CSA (i.e. without the cage_base upper 32 bits). Original change's description: > Reland "[osr] Use the new OSR cache" > > This is a reland of commit 91da38831d90576879eac92caaed2c5dc5a7b03d > > Fixed: Use an X register for JumpIfCodeTIsMarkedForDeoptimization > on arm64. > > Original change's description: > > [osr] Use the new OSR cache > > > > This CL switches over our OSR system to be based on the feedback > > vector osr caches. > > > > - OSRing to Sparkplug is fully separated from OSR urgency. If > > SP code exists, we simply jump to it, no need to maintain an > > installation request. > > - Each JumpLoop checks its dedicated FeedbackVector cache slot. > > If a valid target code object exists, we enter it *without* > > calling into runtime to fetch the code object. > > - Finally, OSR urgency still remains as the heuristic for > > requesting Turbofan OSR compile jobs. Note it no longer has a > > double purpose of being a generic untargeted installation > > request. > > > > With the new system in place, we can remove now-unnecessary > > hacks: > > > > - Early OSR tierup is replaced by the standard OSR system. Any > > present OSR code is automatically entered. > > - The synchronous OSR compilation fallback is removed. With > > precise installation (= per-JumpLoop-bytecode) we no longer > > have the problem of 'getting unlucky' with JumpLoop/cache entry > > mismatches. Execution has moved on while compiling? Simply spawn > > a new concurrent compile job. > > - Remove the synchronous (non-OSR) Turbofan compile request now > > that we always enter available OSR code as early as possible. > > - Tiering into Sparkplug no longer messes with OSR state. > > > > Bug: v8:12161 > > Change-Id: I0a85e53d363504b7dac174dbaf69c03c35e66700 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3596167 > > Commit-Queue: Jakob Linke <jgruber@chromium.org> > > Auto-Submit: Jakob Linke <jgruber@chromium.org> > > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > > Cr-Commit-Position: refs/heads/main@{#80147} > > Bug: v8:12161 > Change-Id: Ib3597cf1d99cdb5d0f2c5ac18e311914f376231d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3606232 > Auto-Submit: Jakob Linke <jgruber@chromium.org> > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Commit-Queue: Leszek Swirski <leszeks@chromium.org> > Cr-Commit-Position: refs/heads/main@{#80167} Bug: v8:12161,chromium:1320189 Change-Id: Ibd9a2ab61f51ebb32a3f5a66f7c602faead71c3e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3620273 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80306}
2022-05-02 11:11:16 +00:00
f(true); // Gather feedback first.
f(false);
function g() {
for (var i = 0; i < 1; i++) { }
do {
do {
for (var i = 0; i < 1; i++) { }
} while (false);
} while (false);
do {
do {
do {
do {
do {
do {
do {
do {
for (var i = 0; i < 10; i++) {
%OptimizeOsr();
%PrepareFunctionForOptimization(g);
}
var opt_status = %GetOptimizationStatus(g);
assertTrue(
(opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0 ||
(opt_status &
V8OptimizationStatus.kTopmostFrameIsTurboFanned) !== 0);
} while (false);
} while (false);
} while (false);
} while (false);
} while (false);
} while (false);
} while (false);
} while (false);
}
%PrepareFunctionForOptimization(g);
g();