Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / compiler-rt / test / msan / select.cpp
blob1a2d3ece43369a5035026dae93f5779b627ece96
1 // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
2 // RUN: FileCheck %s < %t.out
3 // RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1
4 // RUN: FileCheck %s < %t.out
5 // RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1
6 // RUN: FileCheck %s < %t.out
7 // RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1
8 // RUN: FileCheck %s < %t.out
10 #include <stdlib.h>
11 int main(int argc, char **argv) {
12 int x;
13 int *volatile p = &x;
14 int z = *p ? 1 : 0;
15 if (z)
16 exit(0);
17 // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
18 // CHECK: {{#0 0x.* in main .*select.cpp:}}[[@LINE-3]]
20 // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*select.cpp:.* main}}
21 return 0;