bcb5d45210
Adding the StringSubstring simplified operator is a precursor to
improve inlining of String.p.{substr,substring,slice}.
This also contains a drive-by renaming to normalize different
spellings of 'Substring'.
Bug: v8:7250, v8:7340
Change-Id: I89e0fbafeab80f5d2f3ef348a5303d32c0abfe0a
Reviewed-on: https://chromium-review.googlesource.com/919084
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51522}
58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file.
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// Flags: --allow-natives-syntax --opt --no-always-opt
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(()=> {
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function f(a, b, c) {
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return a.indexOf(b, c);
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}
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f("abc", "de", 1);
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f("abc", "de", 1);
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%OptimizeFunctionOnNextCall(f);
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f("abc", "de", {});
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%OptimizeFunctionOnNextCall(f);
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f("abc", "de", {});
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assertOptimized(f);
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})();
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(()=> {
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function f(a, b, c) {
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return a.indexOf(b, c);
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}
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f("abc", "de", 1);
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f("abc", "de", 1);
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%OptimizeFunctionOnNextCall(f);
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f("abc", {}, 1);
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%OptimizeFunctionOnNextCall(f);
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f("abc", {}, 1);
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assertOptimized(f);
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})();
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(()=> {
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function f(a, b, c) {
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return a.substring(b, c);
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}
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f("abcde", 1, 4);
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f("abcde", 1, 4);
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%OptimizeFunctionOnNextCall(f);
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f("abcde", 1, {});
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%OptimizeFunctionOnNextCall(f);
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f("abcde", 1, {});
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assertOptimized(f);
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})();
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(()=> {
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function f(a, b, c) {
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return a.substring(b, c);
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}
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f("abcde", 1, 4);
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f("abcde", 1, 4);
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%OptimizeFunctionOnNextCall(f);
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f("abcde", {}, 4);
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%OptimizeFunctionOnNextCall(f);
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f("abcde", {}, 4);
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assertOptimized(f);
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})();
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