| 1 | // REQUIRES: target={{x86_64.*}} |
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| 2 | // |
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| 3 | // RUN: %clangxx -fsanitize=builtin -fno-inline -w %s -O3 -o %t |
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| 4 | // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER |
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| 5 | // RUN: %clangxx -fsanitize=builtin -fno-inline -fno-sanitize-recover=builtin -w %s -O3 -o %t.abort |
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| 6 | // RUN: not %run %t.abort 2>&1 | FileCheck %s --check-prefix=ABORT |
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| 7 | |
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| 8 | void check_ctz(int n) { |
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| 9 | // ABORT: builtins.cpp:[[@LINE+2]]:17: runtime error: passing zero to __builtin_ctz(), which is not a valid argument |
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| 10 | // RECOVER: builtins.cpp:[[@LINE+1]]:17: runtime error: passing zero to __builtin_ctz(), which is not a valid argument |
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| 11 | __builtin_ctz(n); |
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| 12 | |
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| 13 | // RECOVER: builtins.cpp:[[@LINE+1]]:18: runtime error: passing zero to __builtin_ctz(), which is not a valid argument |
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| 14 | __builtin_ctzl(n); |
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| 15 | |
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| 16 | // RECOVER: builtins.cpp:[[@LINE+1]]:19: runtime error: passing zero to __builtin_ctz(), which is not a valid argument |
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| 17 | __builtin_ctzll(n); |
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| 18 | } |
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| 19 | |
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| 20 | void check_clz(int n) { |
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| 21 | // RECOVER: builtins.cpp:[[@LINE+1]]:17: runtime error: passing zero to __builtin_clz(), which is not a valid argument |
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| 22 | __builtin_clz(n); |
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| 23 | |
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| 24 | // RECOVER: builtins.cpp:[[@LINE+1]]:18: runtime error: passing zero to __builtin_clz(), which is not a valid argument |
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| 25 | __builtin_clzl(n); |
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| 26 | |
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| 27 | // RECOVER: builtins.cpp:[[@LINE+1]]:19: runtime error: passing zero to __builtin_clz(), which is not a valid argument |
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| 28 | __builtin_clzll(n); |
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| 29 | } |
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| 30 | |
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| 31 | void check_assume(int n) { |
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| 32 | // RECOVER: builtins.cpp:[[@LINE+1]]:20: runtime error: assumption is violated during execution |
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| 33 | __builtin_assume(n); |
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| 34 | } |
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| 35 | |
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| 36 | void check_assume_attr(int n) { |
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| 37 | // RECOVER: builtins.cpp:[[@LINE+1]]:25: runtime error: assumption is violated during execution |
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| 38 | __attribute__((assume(n))); |
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| 39 | } |
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| 40 | |
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| 41 | int main() { |
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| 42 | check_ctz(n: 0); |
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| 43 | check_clz(n: 0); |
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| 44 | check_assume(n: 0); |
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| 45 | check_assume_attr(n: 0); |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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