| // Regression test for origin propagation in "select i1, float, float". |
| // https://code.google.com/p/memory-sanitizer/issues/detail?id=78 |
| |
| // RUN: %clangxx_msan -O2 -fsanitize-memory-track-origins %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| |
| // RUN: %clangxx_msan -O2 -fsanitize-memory-track-origins=2 %s -o %t && not %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| |
| #include <stdio.h> |
| #include <sanitizer/msan_interface.h> |
| |
| int main() { |
| volatile bool b = true; |
| float x, y; |
| __msan_allocated_memory(&x, sizeof(x)); |
| __msan_allocated_memory(&y, sizeof(y)); |
| float z = b ? x : y; |
| if (z > 0) printf(".\n"); |
| // CHECK: Memory was marked as uninitialized |
| // CHECK: {{#0 0x.* in .*__msan_allocated_memory}} |
| // CHECK: {{#1 0x.* in main .*select_float_origin.cc:}}[[@LINE-6]] |
| return 0; |
| } |
