14 lines · c
1// RUN: %clang_pgogen -o %t %s2// RUN: env LLVM_PROFILE_FILE="%t.d/%m.profraw"3// RUN: rm -fr %t.d4// RUN: %run %t %t.d5 6#include <errno.h>7#include <unistd.h>8 9int main(int argc, char **argv) {10 if (access(argv[1], F_OK) == 0)11 return 1; // %t.d should not exist yet.12 return !(errno == ENOENT);13}14