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binary_operator.js
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108 lines (97 loc) · 2.47 KB
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// RUN: %hermes -hermes-parser -dump-ir %s -O0 | %FileCheck %s --match-full-lines
// RUN: %hermes -hermes-parser -dump-ir %s -O
function foo(x, y) {
x = y;
x += y;
x -= y;
x *= y;
x /= y;
x %= y;
//x **= y; Not ES5.
x <<= y;
x >>= y;
x >>>= y;
x &= y;
x ^= y;
x |= y;
x.t = y;
x.t += y;
x.t -= y;
x.t *= y;
x.t /= y;
x.t %= y;
//x.t **= y; Not ES5.
x.t <<= y;
x.t >>= y;
x.t >>>= y;
x.t &= y;
x.t ^= y;
x.t |= y;
return x == y;
return x != y;
return x === y;
// return x !=== y; Not ES5.
return x < y;
return x <= y;
return x > y;
return x >= y;
return x << y;
return x << y;
return x >>> y;
return x + y;
return x - y;
return x * y;
return x / y;
return x % y;
return x | y;
return x ^ y;
return x & y;
return x in y;
return x instanceof y;
}
//CHECK-LABEL:function assignment_test(x, y)
//CHECK-NEXT:frame = [x, y]
//CHECK-NEXT: %BB0:
//CHECK-NEXT: %0 = StoreFrameInst %x, [x]
//CHECK-NEXT: %1 = StoreFrameInst %y, [y]
//CHECK-NEXT: %2 = LoadFrameInst [y]
//CHECK-NEXT: %3 = StoreFrameInst %2, [x]
//CHECK-NEXT: %4 = LoadFrameInst [x]
//CHECK-NEXT: %5 = LoadFrameInst [y]
//CHECK-NEXT: %6 = BinaryOperatorInst '+', %4, %5
//CHECK-NEXT: %7 = StoreFrameInst %6, [x]
//CHECK-NEXT: %8 = ReturnInst undefined : undefined
//CHECK-NEXT:function_end
function assignment_test(x, y) {
x = y;
x += y;
}
//CHECK-LABEL:function member_test(x, y)
//CHECK-NEXT:frame = [x, y]
//CHECK-NEXT: %BB0:
//CHECK-NEXT: %0 = StoreFrameInst %x, [x]
//CHECK-NEXT: %1 = StoreFrameInst %y, [y]
//CHECK-NEXT: %2 = LoadFrameInst [x]
//CHECK-NEXT: %3 = LoadPropertyInst %2, "t" : string
//CHECK-NEXT: %4 = LoadFrameInst [y]
//CHECK-NEXT: %5 = BinaryOperatorInst '+', %3, %4
//CHECK-NEXT: %6 = StorePropertyInst %5, %2, "t" : string
//CHECK-NEXT: %7 = ReturnInst undefined : undefined
//CHECK-NEXT:function_end
function member_test(x, y) {
x.t += y;
}
//CHECK: function binary_ops(x, y)
function binary_ops(x, y) {
//CHECK: %2 = LoadFrameInst [x]
//CHECK: %3 = LoadFrameInst [y]
//CHECK: %4 = BinaryOperatorInst '>>>', %2, %3
//CHECK: %5 = ReturnInst %4
return x >>> y;
}