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

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb10u4
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 1,418,792 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (11 lines) | stat: -rw-r--r-- 458 bytes parent folder | download | duplicates (23)
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}}
}