#include "analyzer-decls.h" typedef __SIZE_TYPE__ size_t; int test_1 (void) { int i; /* { dg-message "region created on stack here" } */ return i; /* { dg-warning "use of uninitialized value 'i'" } */ } int test_2 (void) { int i; /* { dg-message "region created on stack here" } */ return i * 2; /* { dg-warning "use of uninitialized value 'i'" } */ } int test_3 (void) { static int i; return i; } int test_4 (void) { int *p; /* { dg-message "region created on stack here" } */ return *p; /* { dg-warning "use of uninitialized value 'p'" } */ } int test_5 (int flag, int *q) { int *p; /* { dg-message "region created on stack here" } */ if (flag) /* { dg-message "following 'false' branch" } */ p = q; /* There should be two enodes here, i.e. not merging the init vs non-init states. */ __analyzer_dump_exploded_nodes (0); /* { dg-warning "2 processed enodes" } */ return *p; /* { dg-warning "use of uninitialized value 'p'" } */ } int test_6 (int i) { int arr[10]; /* { dg-message "region created on stack here" } */ return arr[i]; /* { dg-warning "use of uninitialized value 'arr\\\[i\\\]'" } */ } int test_rshift_rhs (int i) { int j; /* { dg-message "region created on stack here" } */ return i >> j; /* { dg-warning "use of uninitialized value 'j'" } */ } int test_lshift_rhs (int i) { int j; /* { dg-message "region created on stack here" } */ return i << j; /* { dg-warning "use of uninitialized value 'j'" } */ } int test_rshift_lhs (int i) { int j; /* { dg-message "region created on stack here" } */ return j >> i; /* { dg-warning "use of uninitialized value 'j'" } */ } int test_lshift_lhs (int i) { int j; /* { dg-message "region created on stack here" } */ return j << i; /* { dg-warning "use of uninitialized value 'j'" } */ } int test_cmp (int i) { int j; /* { dg-message "region created on stack here" } */ return i < j; /* { dg-warning "use of uninitialized value 'j'" } */ } float test_plus_rhs (float x) { float y; /* { dg-message "region created on stack here" } */ return x + y; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_plus_lhs (float x) { float y; /* { dg-message "region created on stack here" } */ return y + x; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_minus_rhs (float x) { float y; /* { dg-message "region created on stack here" } */ return x - y; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_minus_lhs (float x) { float y; /* { dg-message "region created on stack here" } */ return y - x; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_times_rhs (float x) { float y; /* { dg-message "region created on stack here" } */ return x * y; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_times_lhs (float x) { float y; /* { dg-message "region created on stack here" } */ return y * x; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_divide_rhs (float x) { float y; /* { dg-message "region created on stack here" } */ return x / y; /* { dg-warning "use of uninitialized value 'y'" } */ } float test_divide_lhs (float x) { float y; /* { dg-message "region created on stack here" } */ return y / x; /* { dg-warning "use of uninitialized value 'y'" } */ } size_t test_builtin_strlen (void) { const char *ptr; /* { dg-message "region created on stack here" } */ return __builtin_strlen (ptr); /* { dg-warning "use of uninitialized value 'ptr'" } */ }