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

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; 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}}
}