File: warn-address.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (20 lines) | stat: -rw-r--r-- 817 bytes parent folder | download | duplicates (39) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-bool-conversion -Wno-string-compare -Wno-tautological-compare -Waddress %s
// RUN: %clang_cc1 -fsyntax-only -verify %s

void foo();
int arr[5];
int global;
const char* str = "";

void test() {
  if (foo) {}            // expected-warning{{always evaluate to 'true'}} \
                         // expected-note{{silence}}
  if (arr) {}            // expected-warning{{always evaluate to 'true'}}
  if (&global) {}        // expected-warning{{always evaluate to 'true'}}
  if (foo == 0) {}       // expected-warning{{always false}} \
                         // expected-note{{silence}}
  if (arr == 0) {}       // expected-warning{{always false}}
  if (&global == 0) {}   // expected-warning{{always false}}

  if (str == "foo") {}   // expected-warning{{unspecified}}
}