blob: ca2099cf7fdae28da480e58a9746a54229ea2d3b [file] [log] [blame]
// RUN: %clang_analyze_cc1 -analyzer-checker=debug.ExprInspection,core.builtin -analyzer-config aggressive-binary-operation-simplification=true -verify %s
void clang_analyzer_dump(int x);
void clang_analyzer_eval(int x);
void exit(int);
#define UINT_MAX (~0U)
#define INT_MAX (UINT_MAX & (UINT_MAX >> 1))
extern void __assert_fail (__const char *__assertion, __const char *__file,
unsigned int __line, __const char *__function)
__attribute__ ((__noreturn__));
#define assert(expr) \
((expr) ? (void)(0) : __assert_fail (#expr, __FILE__, __LINE__, __func__))
int g();
int f() {
int x = g();
// Assert that no overflows occur in this test file.
// Assuming that concrete integers are also within that range.
assert(x <= ((int)INT_MAX / 4));
assert(x >= -((int)INT_MAX / 4));
return x;
}
void compare_different_symbol_equal() {
int x = f(), y = f();
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 0}}
}
void compare_different_symbol_plus_left_int_equal() {
int x = f()+1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 1}}
}
void compare_different_symbol_minus_left_int_equal() {
int x = f()-1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 1}}
}
void compare_different_symbol_plus_right_int_equal() {
int x = f(), y = f()+2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 2}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 2}}
}
void compare_different_symbol_minus_right_int_equal() {
int x = f(), y = f()-2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 2}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 2}}
}
void compare_different_symbol_plus_left_plus_right_int_equal() {
int x = f()+2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 1}}
}
void compare_different_symbol_plus_left_minus_right_int_equal() {
int x = f()+2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 3}}
}
void compare_different_symbol_minus_left_plus_right_int_equal() {
int x = f()-2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 3}}
}
void compare_different_symbol_minus_left_minus_right_int_equal() {
int x = f()-2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 1}}
}
void compare_same_symbol_equal() {
int x = f(), y = x;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_int_equal() {
int x = f(), y = x;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_int_equal() {
int x = f(), y = x;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_right_int_equal() {
int x = f(), y = x+1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_right_int_equal() {
int x = f(), y = x-1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_plus_right_int_equal() {
int x = f(), y = x+1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_minus_right_int_equal() {
int x = f(), y = x-1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_plus_right_int_equal() {
int x = f(), y = x+1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_minus_right_int_equal() {
int x = f(), y = x-1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{TRUE}}
}
void compare_different_symbol_less_or_equal() {
int x = f(), y = f();
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 0}}
}
void compare_different_symbol_plus_left_int_less_or_equal() {
int x = f()+1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 1}}
}
void compare_different_symbol_minus_left_int_less_or_equal() {
int x = f()-1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 1}}
}
void compare_different_symbol_plus_right_int_less_or_equal() {
int x = f(), y = f()+2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 2}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 2}}
}
void compare_different_symbol_minus_right_int_less_or_equal() {
int x = f(), y = f()-2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 2}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 2}}
}
void compare_different_symbol_plus_left_plus_right_int_less_or_equal() {
int x = f()+2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 1}}
}
void compare_different_symbol_plus_left_minus_right_int_less_or_equal() {
int x = f()+2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 3}}
}
void compare_different_symbol_minus_left_plus_right_int_less_or_equal() {
int x = f()-2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 3}}
}
void compare_different_symbol_minus_left_minus_right_int_less_or_equal() {
int x = f()-2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 1}}
}
void compare_same_symbol_less_or_equal() {
int x = f(), y = x;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_int_less_or_equal() {
int x = f(), y = x;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_int_less_or_equal() {
int x = f(), y = x;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_right_int_less_or_equal() {
int x = f(), y = x+1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_minus_right_int_less_or_equal() {
int x = f(), y = x-1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_plus_right_int_less_or_equal() {
int x = f(), y = x+1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_minus_right_int_less_or_equal() {
int x = f(), y = x-1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_plus_right_int_less_or_equal() {
int x = f(), y = x+1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_minus_left_minus_right_int_less_or_equal() {
int x = f(), y = x-1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_different_symbol_less() {
int x = f(), y = f();
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 0}}
}
void compare_different_symbol_plus_left_int_less() {
int x = f()+1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 1}}
}
void compare_different_symbol_minus_left_int_less() {
int x = f()-1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 1}}
}
void compare_different_symbol_plus_right_int_less() {
int x = f(), y = f()+2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 2}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 2}}
}
void compare_different_symbol_minus_right_int_less() {
int x = f(), y = f()-2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 2}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 2}}
}
void compare_different_symbol_plus_left_plus_right_int_less() {
int x = f()+2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 1}}
}
void compare_different_symbol_plus_left_minus_right_int_less() {
int x = f()+2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 3}}
}
void compare_different_symbol_minus_left_plus_right_int_less() {
int x = f()-2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 3}}
}
void compare_different_symbol_minus_left_minus_right_int_less() {
int x = f()-2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 1}}
}
void compare_same_symbol_less() {
int x = f(), y = x;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_int_less() {
int x = f(), y = x;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_int_less() {
int x = f(), y = x;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_right_int_less() {
int x = f(), y = x+1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_minus_right_int_less() {
int x = f(), y = x-1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_plus_right_int_less() {
int x = f(), y = x+1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_minus_right_int_less() {
int x = f(), y = x-1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_minus_left_plus_right_int_less() {
int x = f(), y = x+1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_minus_left_minus_right_int_less() {
int x = f(), y = x-1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_different_symbol_equal_unsigned() {
unsigned x = f(), y = f();
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 0}}
}
void compare_different_symbol_plus_left_int_equal_unsigned() {
unsigned x = f()+1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 1}}
}
void compare_different_symbol_minus_left_int_equal_unsigned() {
unsigned x = f()-1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 1}}
}
void compare_different_symbol_plus_right_int_equal_unsigned() {
unsigned x = f(), y = f()+2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 2}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 2}}
}
void compare_different_symbol_minus_right_int_equal_unsigned() {
unsigned x = f(), y = f()-2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 2}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 2}}
}
void compare_different_symbol_plus_left_plus_right_int_equal_unsigned() {
unsigned x = f()+2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 1}}
}
void compare_different_symbol_plus_left_minus_right_int_equal_unsigned() {
unsigned x = f()+2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) == 3}}
}
void compare_different_symbol_minus_left_plus_right_int_equal_unsigned() {
unsigned x = f()-2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 3}}
}
void compare_different_symbol_minus_left_minus_right_int_equal_unsigned() {
unsigned x = f()-2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) == 1}}
}
void compare_same_symbol_equal_unsigned() {
unsigned x = f(), y = x;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_int_equal_unsigned() {
unsigned x = f(), y = x;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) + 1U) == (conj_$2{int})}}
}
void compare_same_symbol_minus_left_int_equal_unsigned() {
unsigned x = f(), y = x;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - 1U) == (conj_$2{int})}}
}
void compare_same_symbol_plus_right_int_equal_unsigned() {
unsigned x = f(), y = x+1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{(conj_$2{int}) == ((conj_$2{int}) + 1U)}}
}
void compare_same_symbol_minus_right_int_equal_unsigned() {
unsigned x = f(), y = x-1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{(conj_$2{int}) == ((conj_$2{int}) - 1U)}}
}
void compare_same_symbol_plus_left_plus_right_int_equal_unsigned() {
unsigned x = f(), y = x+1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_minus_right_int_equal_unsigned() {
unsigned x = f(), y = x-1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) + 1U) == ((conj_$2{int}) - 1U)}}
}
void compare_same_symbol_minus_left_plus_right_int_equal_unsigned() {
unsigned x = f(), y = x+1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(x == y);
// expected-warning@-1{{((conj_$2{int}) - 1U) == ((conj_$2{int}) + 1U)}}
}
void compare_same_symbol_minus_left_minus_right_int_equal_unsigned() {
unsigned x = f(), y = x-1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x == y);
// expected-warning@-1{{TRUE}}
}
void compare_different_symbol_less_or_equal_unsigned() {
unsigned x = f(), y = f();
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 0}}
}
void compare_different_symbol_plus_left_int_less_or_equal_unsigned() {
unsigned x = f()+1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 1}}
}
void compare_different_symbol_minus_left_int_less_or_equal_unsigned() {
unsigned x = f()-1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 1}}
}
void compare_different_symbol_plus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = f()+2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 2}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 2}}
}
void compare_different_symbol_minus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = f()-2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 2}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 2}}
}
void compare_different_symbol_plus_left_plus_right_int_less_or_equal_unsigned() {
unsigned x = f()+2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 1}}
}
void compare_different_symbol_plus_left_minus_right_int_less_or_equal_unsigned() {
unsigned x = f()+2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) >= 3}}
}
void compare_different_symbol_minus_left_plus_right_int_less_or_equal_unsigned() {
unsigned x = f()-2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 3}}
}
void compare_different_symbol_minus_left_minus_right_int_less_or_equal_unsigned() {
unsigned x = f()-2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) <= 1}}
}
void compare_same_symbol_less_or_equal_unsigned() {
unsigned x = f(), y = x;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_int_less_or_equal_unsigned() {
unsigned x = f(), y = x;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) + 1U) <= (conj_$2{int})}}
}
void compare_same_symbol_minus_left_int_less_or_equal_unsigned() {
unsigned x = f(), y = x;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - 1U) <= (conj_$2{int})}}
}
void compare_same_symbol_plus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = x+1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{(conj_$2{int}) <= ((conj_$2{int}) + 1U)}}
}
void compare_same_symbol_minus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = x-1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{(conj_$2{int}) <= ((conj_$2{int}) - 1U)}}
}
void compare_same_symbol_plus_left_plus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = x+1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_same_symbol_plus_left_minus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = x-1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) + 1U) <= ((conj_$2{int}) - 1U)}}
}
void compare_same_symbol_minus_left_plus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = x+1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(x <= y);
// expected-warning@-1{{((conj_$2{int}) - 1U) <= ((conj_$2{int}) + 1U)}}
}
void compare_same_symbol_minus_left_minus_right_int_less_or_equal_unsigned() {
unsigned x = f(), y = x-1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x <= y);
// expected-warning@-1{{TRUE}}
}
void compare_different_symbol_less_unsigned() {
unsigned x = f(), y = f();
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 0}}
}
void compare_different_symbol_plus_left_int_less_unsigned() {
unsigned x = f()+1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 1}}
}
void compare_different_symbol_minus_left_int_less_unsigned() {
unsigned x = f()-1, y = f();
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$9{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 1}}
}
void compare_different_symbol_plus_right_int_less_unsigned() {
unsigned x = f(), y = f()+2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 2}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 2}}
}
void compare_different_symbol_minus_right_int_less_unsigned() {
unsigned x = f(), y = f()-2;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 2}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 2}}
}
void compare_different_symbol_plus_left_plus_right_int_less_unsigned() {
unsigned x = f()+2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 1}}
}
void compare_different_symbol_plus_left_minus_right_int_less_unsigned() {
unsigned x = f()+2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$9{int}) - (conj_$2{int})) > 3}}
}
void compare_different_symbol_minus_left_plus_right_int_less_unsigned() {
unsigned x = f()-2, y = f()+1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) + 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 3}}
}
void compare_different_symbol_minus_left_minus_right_int_less_unsigned() {
unsigned x = f()-2, y = f()-1;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 2}}
clang_analyzer_dump(y); // expected-warning{{(conj_$9{int}) - 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - (conj_$9{int})) < 1}}
}
void compare_same_symbol_less_unsigned() {
unsigned x = f(), y = x;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_int_less_unsigned() {
unsigned x = f(), y = x;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) + 1U) < (conj_$2{int})}}
}
void compare_same_symbol_minus_left_int_less_unsigned() {
unsigned x = f(), y = x;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - 1U) < (conj_$2{int})}}
}
void compare_same_symbol_plus_right_int_less_unsigned() {
unsigned x = f(), y = x+1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{(conj_$2{int}) < ((conj_$2{int}) + 1U)}}
}
void compare_same_symbol_minus_right_int_less_unsigned() {
unsigned x = f(), y = x-1;
clang_analyzer_dump(x); // expected-warning{{conj_$2{int}}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{(conj_$2{int}) < ((conj_$2{int}) - 1U)}}
}
void compare_same_symbol_plus_left_plus_right_int_less_unsigned() {
unsigned x = f(), y = x+1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void compare_same_symbol_plus_left_minus_right_int_less_unsigned() {
unsigned x = f(), y = x-1;
++x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) + 1U) < ((conj_$2{int}) - 1U)}}
}
void compare_same_symbol_minus_left_plus_right_int_less_unsigned() {
unsigned x = f(), y = x+1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) + 1}}
clang_analyzer_dump(x < y);
// expected-warning@-1{{((conj_$2{int}) - 1U) < ((conj_$2{int}) + 1U)}}
}
void compare_same_symbol_minus_left_minus_right_int_less_unsigned() {
unsigned x = f(), y = x-1;
--x;
clang_analyzer_dump(x); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_dump(y); // expected-warning{{(conj_$2{int}) - 1}}
clang_analyzer_eval(x < y);
// expected-warning@-1{{FALSE}}
}
void overflow(signed char n, signed char m) {
if (n + 0 > m + 0) {
clang_analyzer_eval(n - 126 == m + 3); // expected-warning{{UNKNOWN}}
}
}
int mixed_integer_types(int x, int y) {
short a = x - 1U;
return a - y;
}
unsigned gu();
unsigned fu() {
unsigned x = gu();
// Assert that no overflows occur in this test file.
// Assuming that concrete integers are also within that range.
assert(x <= ((unsigned)UINT_MAX / 4));
return x;
}
void unsigned_concrete_int_no_crash() {
unsigned x = fu() + 1U, y = fu() + 1U;
clang_analyzer_dump(x == y); // expected-warning {{((conj_$2{unsigned int}) + 1U) == ((conj_$7{unsigned int}) + 1U)}}
}