diff options
Diffstat (limited to 'lib/tsan/lit_tests/tsan-vs-gvn.cc')
-rw-r--r-- | lib/tsan/lit_tests/tsan-vs-gvn.cc | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/lib/tsan/lit_tests/tsan-vs-gvn.cc b/lib/tsan/lit_tests/tsan-vs-gvn.cc deleted file mode 100644 index 40ae724b78e1..000000000000 --- a/lib/tsan/lit_tests/tsan-vs-gvn.cc +++ /dev/null @@ -1,38 +0,0 @@ -// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s -// RUN: %clangxx_tsan -O2 %s -o %t && %t 2>&1 | FileCheck %s -// RUN: %clangxx_tsan -O3 %s -o %t && %t 2>&1 | FileCheck %s -// -// Check that load widening is not tsan-hostile. -#include <pthread.h> -#include <stdio.h> -#include <string.h> - -struct { - int i; - char c1, c2, c3, c4; -} S; - -int G; - -void *Thread1(void *x) { - G = S.c1 + S.c3; - return NULL; -} - -void *Thread2(void *x) { - S.c2 = 1; - return NULL; -} - -int main() { - pthread_t t[2]; - memset(&S, 123, sizeof(S)); - pthread_create(&t[0], NULL, Thread1, NULL); - pthread_create(&t[1], NULL, Thread2, NULL); - pthread_join(t[0], NULL); - pthread_join(t[1], NULL); - printf("PASS\n"); -} - -// CHECK-NOT: WARNING: ThreadSanitizer: data race -// CHECK: PASS |