23 lines
731 B
C++
23 lines
731 B
C++
// RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
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// RUN: FileCheck %s < %t.out
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// RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1
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// RUN: FileCheck %s < %t.out
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// RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1
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// RUN: FileCheck %s < %t.out
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// RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1
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// RUN: FileCheck %s < %t.out
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#include <stdlib.h>
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int main(int argc, char **argv) {
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int x;
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int *volatile p = &x;
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int z = *p ? 1 : 0;
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if (z)
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exit(0);
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// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
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// CHECK: {{#0 0x.* in main .*select.cpp:}}[[@LINE-3]]
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// CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*select.cpp:.* main}}
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return 0;
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}
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