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40 lines
764 B
40 lines
764 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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int* return_depends_on_lshift(int x, int* p) {
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if (x < (1 << 7))
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return 0;
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else
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return p;
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}
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int return_nonnull_deref1_ok() {
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int y = 0;
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return *return_depends_on_lshift(1000, &y);
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}
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int return_null_deref1_bad() {
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int y = 0;
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return *return_depends_on_lshift(0, &y);
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}
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int* return_depends_on_rshift(int x, int* p) {
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if (x < (4 >> 2))
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return 0;
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else
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return p;
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}
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int return_nonnull_deref2_ok() {
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int y = 0;
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return *return_depends_on_rshift(2, &y);
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}
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int return_null_deref2_bad() {
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int y = 0;
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return *return_depends_on_rshift(0, &y);
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}
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