31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
71 lines
1.7 KiB
JavaScript
71 lines
1.7 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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var f32 = new Float32Array(40);
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function foo(f32, deopt) {
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var v0 = f32[0];
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var v1 = f32[1];
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var v2 = f32[2];
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var v3 = f32[3];
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var v4 = f32[4];
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var v5 = f32[5];
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var v6 = f32[6];
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var v7 = f32[7];
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var v8 = f32[8];
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var v9 = f32[9];
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var v10 = f32[10];
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var v11 = f32[11];
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var v12 = f32[12];
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var v13 = f32[13];
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var v14 = f32[14];
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var v15 = f32[15];
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var v16 = f32[16];
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var v17 = f32[17];
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var v18 = f32[18];
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var v19 = f32[19];
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var v20 = f32[20];
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var v21 = f32[21];
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var v22 = f32[22];
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var v23 = f32[23];
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var v24 = f32[24];
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var v25 = f32[25];
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var v26 = f32[26];
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var v27 = f32[27];
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var v28 = f32[28];
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var v29 = f32[29];
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var v30 = f32[30];
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var v31 = f32[31];
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var v32 = f32[32];
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var v33 = f32[33];
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var v34 = f32[34];
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var v35 = f32[35];
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var v36 = f32[36];
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var v37 = f32[37];
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var v38 = f32[38];
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var v39 = f32[39];
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// Side effect to force the deopt after the store.
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f32[0] = v1 - 1;
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// Here we deopt once we warm up with numbers, but then we
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// pass a string as {deopt}.
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return deopt + v0 + v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9 + v10 + v11 +
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v12 + v13 + v14 + v15 + v16 + v17 + v18 + v19 + v20 + v21 + v22 + v23 +
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v24 + v25 + v26 + v27 + v28 + v29 + v30 + v31 + v32 + v33 + v34 + v35 +
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v36 + v37 + v38 + v39;
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}
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var s = "";
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for (var i = 0; i < f32.length; i++) {
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f32[i] = i;
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s += i;
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}
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%PrepareFunctionForOptimization(foo);
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foo(f32, 0);
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foo(f32, 0);
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%OptimizeFunctionOnNextCall(foo);
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assertEquals("x" + s, foo(f32, "x"));
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