1 // Regression test for origin propagation in "select i1, float, float". 2 // https://code.google.com/p/memory-sanitizer/issues/detail?id=78 3 4 // RUN: %clangxx_msan -O2 -fsanitize-memory-track-origins %s -o %t && not %run %t >%t.out 2>&1 5 // RUN: FileCheck %s < %t.out 6 7 // RUN: %clangxx_msan -O2 -fsanitize-memory-track-origins=2 %s -o %t && not %run %t >%t.out 2>&1 8 // RUN: FileCheck %s < %t.out 9 10 #include <stdio.h> 11 #include <sanitizer/msan_interface.h> 12 13 int main() { 14 volatile bool b = true; 15 float x, y; 16 __msan_allocated_memory(&x, sizeof(x)); 17 __msan_allocated_memory(&y, sizeof(y)); 18 float z = b ? x : y; 19 if (z > 0) printf(".\n"); 20 // CHECK: Memory was marked as uninitialized 21 // CHECK: {{#0 0x.* in .*__msan_allocated_memory}} 22 // CHECK: {{#1 0x.* in main .*select_float_origin.cc:}}[[@LINE-6]] 23 return 0; 24 } 25
