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58 lines
1.3 KiB
58 lines
1.3 KiB
// Copyright 2014 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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#include "src/v8.h"
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#include "test/cctest/compiler/function-tester.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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#if V8_TURBOFAN_TARGET
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TEST(TurboSimpleDeopt) {
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FLAG_allow_natives_syntax = true;
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FLAG_turbo_deoptimization = true;
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FunctionTester T(
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"(function f(a) {"
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"var b = 1;"
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"if (!%IsOptimized()) return 0;"
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"%DeoptimizeFunction(f);"
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"if (%IsOptimized()) return 0;"
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"return a + b; })");
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T.CheckCall(T.Val(2), T.Val(1));
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}
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TEST(TurboSimpleDeoptInExpr) {
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FLAG_allow_natives_syntax = true;
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FLAG_turbo_deoptimization = true;
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FunctionTester T(
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"(function f(a) {"
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"var b = 1;"
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"var c = 2;"
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"if (!%IsOptimized()) return 0;"
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"var d = b + (%DeoptimizeFunction(f), c);"
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"if (%IsOptimized()) return 0;"
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"return d + a; })");
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T.CheckCall(T.Val(6), T.Val(3));
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}
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#endif
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TEST(TurboTrivialDeopt) {
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FLAG_allow_natives_syntax = true;
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FLAG_turbo_deoptimization = true;
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FunctionTester T(
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"(function foo() {"
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"%DeoptimizeFunction(foo);"
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"return 1; })");
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T.CheckCall(T.Val(1));
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}
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