| 1 | // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1 |
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| 2 | // RUN: FileCheck %s < %t.out |
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| 3 | // RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1 |
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| 4 | // RUN: FileCheck %s < %t.out |
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| 5 | // RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1 |
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| 6 | // RUN: FileCheck %s < %t.out |
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| 7 | // RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1 |
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| 8 | // RUN: FileCheck %s < %t.out |
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| 9 | |
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| 10 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && not %run %t >%t.out 2>&1 |
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| 11 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
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| 12 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O1 %s -o %t && not %run %t >%t.out 2>&1 |
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| 13 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
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| 14 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O2 %s -o %t && not %run %t >%t.out 2>&1 |
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| 15 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
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| 16 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O3 %s -o %t && not %run %t >%t.out 2>&1 |
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| 17 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
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| 18 | |
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| 19 | #include <stdlib.h> |
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| 20 | int main(int argc, char **argv) { |
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| 21 | char *volatile x = (char*)malloc(size: 5 * sizeof(char)); |
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| 22 | return *x; |
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| 23 | // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value |
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| 24 | // CHECK: {{#0 0x.* in main .*heap-origin.cpp:}}[[@LINE-2]] |
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| 25 | |
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| 26 | // CHECK-ORIGINS: Uninitialized value was created by a heap allocation |
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| 27 | // CHECK-ORIGINS: {{#0 0x.* in .*malloc}} |
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| 28 | // CHECK-ORIGINS: {{#1 0x.* in main .*heap-origin.cpp:}}[[@LINE-7]] |
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| 29 | |
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| 30 | // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*heap-origin.cpp:.* main}} |
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| 31 | } |
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| 32 | |
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