// 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; }