File: short-circuiting-eval.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (39 lines) | stat: -rw-r--r-- 1,206 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// RUN: %clang_analyze_cc1 -analyzer-checker=core.DivideZero -verify %s

int div0LogicalOpInTernary(bool b1) {
  int y = (b1 || b1) ? 0 : 1;
  return 1 / y; // expected-warning {{Division by zero}}
}

int div0LogicalAndArith(bool b1, int x) {
  int y = (b1 || (x < 3)) ? 0 : 1;
  return 1 / y; // expected-warning {{Division by zero}}
}

int div0NestedLogicalOp(bool b1) {
  int y = (b1 && b1 || b1 && b1) ? 0 : 1;
  return 1 / y; // expected-warning {{Division by zero}}
}

int div0TernaryInTernary(bool b) {
  int y = ((b || b) ? false : true) ? 0 : 1;
  return 1 / y; // expected-warning {{Division by zero}}
}

int div0LogicalOpParensInTernary(bool b1) {
  int y = ((((b1)) || ((b1)))) ? 0 : 1;
  return 1 / y; // expected-warning {{Division by zero}}
}

int div0LogicalOpInsideStExpr(bool b1) {
  int y = ({1; (b1 || b1);}) ? 0 : 1;
  // expected-warning@-1 {{expression result unused}}
  return 1 / y; // expected-warning {{Division by zero}}
}

int div0StExprInsideLogicalOp(bool b1) {
  int y = (({1; b1;}) || ({1; b1;})) ? 0 : 1;
  // expected-warning@-1 {{expression result unused}}
  // expected-warning@-2 {{expression result unused}}
  return 1 / y; // expected-warning {{Division by zero}}
}