/* * Copyright (c) 2017-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ void prune_constant_true_Ok() { int a[1]; if (1) { a[0] = 0; } else { a[1] = 0; } } void prune_constant_false_Ok() { int a[1]; if (0) { a[1] = 0; } else { a[0] = 0; } } void prune_constant_value_Ok(int x) { int a[1]; if (-1 < x && x < 1) { if (x) { a[1] = 0; } else { a[0] = 0; } } } void prune_constant_not_Bad() { int x = 0; int a[1]; if (!x) { a[x + 1] = 0; } } int fromHex(char c) { if (c < '0' || (c > '9' && (c < 'a' || c > 'f'))) { return -1; // invalid not 0-9a-f hex char } if (c <= '9') { return c - '0'; } return c - 'a' + 10; } void call_fromHex_sym_Good(char c) { char arr[16]; int idx = fromHex(c); if (idx >= 0) { arr[idx] = 'H'; } } void call_fromHex_200_Good() { char arr[16]; int idx = fromHex(200); if (idx >= 0) { arr[idx] = 'H'; } } void call_fromHex2_sym_Good_FP(char c) { char arr[17]; int idx = fromHex(c); arr[idx + 1] = 'H'; } void call_fromHex2_200_Good_FP() { char arr[17]; int idx = fromHex(200); arr[idx + 1] = 'H'; } void prune_add1(unsigned int x) { int a[10]; if (x + 1 < 11) { a[x] = 0; } } void call_prune_add1_1_Good() { prune_add1(5); } void call_prune_add1_2_Good() { prune_add1(10); } void prune_add2(unsigned int x) { int a[10]; if (x + 1 < 12) { a[x] = 0; } } void call_prune_add2_1_Good() { prune_add2(5); } void call_prune_add2_2_Bad() { prune_add2(10); } void call_prune_add2_3_Good() { prune_add2(100); } void prune_sub1(unsigned int x) { int a[10]; if (9 > x - 1) { a[x] = 0; } } void call_prune_sub1_1_Good() { prune_sub1(5); } void call_prune_sub1_2_Good() { prune_sub1(10); } void prune_sub2(unsigned int x) { int a[10]; if (10 > x - 1) { a[x] = 0; } } void call_prune_sub2_1_Good() { prune_sub2(5); } void call_prune_sub2_2_Bad() { prune_sub2(10); } void call_prune_sub2_3_Good() { prune_sub2(100); } void null_pruning1_Good(int* p) { if (p == 0) { if (p != 0) { int a[5]; a[10] = 1; } } } void null_pruning1_Bad(int* p) { if (p == 0) { if (p == 0) { int a[5]; a[10] = 1; } } } void null_pruning2_Good_FP(int* p) { if (p != 0) { if (p == 0) { int a[5]; a[10] = 1; } } } void null_pruning2_Bad(int* p) { if (p != 0) { if (p != 0) { int a[5]; a[10] = 1; } } } int greater_than(unsigned int x, unsigned int y) { return (x > y); } void call_greater_than_Good_FP() { unsigned int idx = 0; if (greater_than(idx, 0)) { idx = idx - 1; } }