File: division-by-zero-track-zero.c

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (11 lines) | stat: -rw-r--r-- 458 bytes parent folder | download | duplicates (19)
1
2
3
4
5
6
7
8
9
10
11
// RUN: %clang_analyze_cc1 -analyzer-checker=core \
// RUN:   -analyzer-output=text \
// RUN:   -verify %s

int track_mul_lhs_0(int x, int y) {
  int p0 = x < 0;   // expected-note {{Assuming 'x' is >= 0}} \
                    // expected-note {{'p0' initialized to 0}}
  int div = p0 * y; // expected-note {{'div' initialized to 0}}
  return 1 / div;   // expected-note {{Division by zero}} \
                    // expected-warning {{Division by zero}}
}