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// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --maglev
function negate(val) {
return -val;
}
function test_negate_int32(value, expected) {
// Warmup.
%PrepareFunctionForOptimization(negate);
%ClearFunctionFeedback(negate);
negate(1, -1);
%OptimizeMaglevOnNextCall(negate);
assertEquals(expected, negate(value));
assertTrue(isMaglevved(negate));
%DeoptimizeFunction(negate);
assertEquals(expected, negate(value));
}
test_negate_int32(1, -1);
test_negate_int32(-1, 1);
test_negate_int32(42, -42);
test_negate_int32(-42, 42);
function test_negate_float(value, expected) {
// Warmup.
%PrepareFunctionForOptimization(negate);
%ClearFunctionFeedback(negate);
negate(1.1, -1.1);
%OptimizeMaglevOnNextCall(negate);
assertEquals(expected, negate(value));
assertTrue(isMaglevved(negate));
%DeoptimizeFunction(negate);
assertEquals(expected, negate(value));
}
test_negate_float(1.23, -1.23);
test_negate_float(-1.001, 1.001);
test_negate_float(42.42, -42.42);
test_negate_float(-42.42, 42.42);
const int32_max = Math.pow(2,30)-1;
const int32_min = -Math.pow(2,31);
test_negate_float(int32_max, -int32_max);
test_negate_float(int32_min, -int32_min);
function test_negate_int32_expect_deopt(value, expected) {
// Warmup.
%PrepareFunctionForOptimization(negate);
%ClearFunctionFeedback(negate);
negate(12, -12);
%OptimizeMaglevOnNextCall(negate);
assertEquals(expected, negate(value));
assertFalse(isMaglevved(negate));
}
test_negate_int32_expect_deopt(0, -0);
test_negate_int32_expect_deopt(-0, 0);
test_negate_int32_expect_deopt(int32_min, -int32_min);
test_negate_int32_expect_deopt(-int32_min, int32_min);
test_negate_int32_expect_deopt(int32_max, -int32_max);
test_negate_int32_expect_deopt(-int32_max, int32_max);
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