forked from OSchip/llvm-project
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
|
// RUN: %clang_cc1 -x c -fsyntax-only -verify -Wint-in-bool-context %s
|
||
|
|
// RUN: %clang_cc1 -x c -fsyntax-only -verify -Wall %s
|
||
|
|
// RUN: %clang_cc1 -x c++ -fsyntax-only -verify -Wint-in-bool-context %s
|
||
|
|
// RUN: %clang_cc1 -x c++ -fsyntax-only -verify -Wall %s
|
||
|
|
|
||
|
|
#define ONE 1
|
||
|
|
#define TWO 2
|
||
|
|
|
||
|
|
#define SHIFT(l, r) l << r
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
typedef bool boolean;
|
||
|
|
#else
|
||
|
|
typedef _Bool boolean;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int test(int a) {
|
||
|
|
boolean r;
|
||
|
|
r = (1 << 3); // expected-warning {{converting the result of '<<' to a boolean; did you mean '(1 << 3) != 0'?}}
|
||
|
|
r = TWO << 7; // expected-warning {{converting the result of '<<' to a boolean; did you mean '(2 << 7) != 0'?}}
|
||
|
|
r = a << 7; // expected-warning {{converting the result of '<<' to a boolean; did you mean '(a << 7) != 0'?}}
|
||
|
|
r = ONE << a; // expected-warning {{converting the result of '<<' to a boolean; did you mean '(1 << a) != 0'?}}
|
||
|
|
if (TWO << 4) // expected-warning {{converting the result of '<<' to a boolean; did you mean '(2 << 4) != 0'?}}
|
||
|
|
return a;
|
||
|
|
|
||
|
|
if (a << TWO) // expected-warning {{converting the result of '<<' to a boolean; did you mean '(a << 2) != 0'?}}
|
||
|
|
return a;
|
||
|
|
|
||
|
|
// Don't warn in macros.
|
||
|
|
return SHIFT(1, a);
|
||
|
|
}
|