2 // { dg-require-effective-target c++11 }
3 // { dg-options "-O2 -Wmaybe-uninitialized --param logical-op-non-short-circuit=0" }
5 bool exact_log2___trans_tmp_5, exact_log2___trans_tmp_4;
6 int exact_log2(long x) {
7 exact_log2___trans_tmp_5 = pow2p_hwi_x && exact_log2___trans_tmp_4;
8 return exact_log2___trans_tmp_5 ? x : 1;
11 template <typename T1, typename T2> void rshift(T1, T2, signop);
12 struct generic_wide_int {
13 template <typename T> generic_wide_int(T);
15 template <unsigned N, typename> struct poly_int_pod {
16 bool is_constant() const;
17 template <typename T> bool is_constant(T *) const;
20 template <unsigned N, typename C>
22 bool poly_int_pod<N, C>::is_constant(T *const_value) const {
24 *const_value = coeffs[0];
29 struct poly_int : poly_int_pod<1, int> {
30 template <typename C0> poly_int(C0);
32 enum tree_code_class {} tree_code_type;
33 void tree_class_check_failed(int *, tree_code_class, char *, int, char *)
34 __attribute__((__noreturn__));
35 int tree_class_check___t, tree_class_check___l,
36 vect_gen_vector_loop_niters_loop_vinfo;
37 char tree_class_check___f, tree_class_check___g;
38 tree_code_class tree_class_check___class;
39 int *tree_class_check() {
41 tree_class_check_failed(&tree_class_check___t, tree_class_check___class,
42 &tree_class_check___f, tree_class_check___l,
43 &tree_class_check___g);
44 return &tree_class_check___t;
46 int *build_int_cst(int, long);
47 bool is_gimple_val(int);
48 void force_gimple_operand(int, int *, bool, int);
49 void vect_gen_vector_loop_niters(bool niters_no_overflow) {
50 poly_int vf(vect_gen_vector_loop_niters_loop_vinfo);
51 int *log_vf = nullptr;
53 if (vf.is_constant(&const_vf))
54 log_vf = build_int_cst(0, 0);
55 if (is_gimple_val(0)) {
57 force_gimple_operand(0, &stmts, true, 0);
59 if (niters_no_overflow) {
60 generic_wide_int __trans_tmp_1(tree_class_check());
61 int __trans_tmp_2 = exact_log2(const_vf); // { dg-bogus "uninitialized" }
62 rshift(__trans_tmp_1, __trans_tmp_2, (signop)0);