clang/test/Sema/bitwise-op-parentheses.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -DSILENCE
   2 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wbitwise-op-parentheses
   3 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wparentheses
   4 // RUN: %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits %s -Wbitwise-op-parentheses 2>&1 | FileCheck %s
   5
   6 #ifdef SILENCE
   7 // expected-no-diagnostics
   8 #endif
   9
  10 void bitwise_op_parentheses(unsigned i) {
  11   (void)(i & i | i);
  12 #ifndef SILENCE
  13   // expected-warning@-2 {{'&' within '|'}}
  14   // expected-note@-3 {{place parentheses around the '&' expression to silence this warning}}
  15 #endif
  16   // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:10-[[@LINE-5]]:10}:"("
  17   // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:15-[[@LINE-6]]:15}:")"
  18
  19   (void)(i | i & i);
  20 #ifndef SILENCE
  21   // expected-warning@-2 {{'&' within '|'}}
  22   // expected-note@-3 {{place parentheses around the '&' expression to silence this warning}}
  23 #endif
  24   // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
  25   // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:19-[[@LINE-6]]:19}:")"
  26
  27   (void)(i ^ i | i);
  28 #ifndef SILENCE
  29   // expected-warning@-2 {{'^' within '|'}}
  30   // expected-note@-3 {{place parentheses around the '^' expression to silence this warning}}
  31 #endif
  32   // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:10-[[@LINE-5]]:10}:"("
  33   // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:15-[[@LINE-6]]:15}:")"
  34
  35   (void)(i | i ^ i);
  36 #ifndef SILENCE
  37   // expected-warning@-2 {{'^' within '|'}}
  38   // expected-note@-3 {{place parentheses around the '^' expression to silence this warning}}
  39 #endif
  40   // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
  41   // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:19-[[@LINE-6]]:19}:")"
  42
  43   (void)(i & i ^ i);
  44 #ifndef SILENCE
  45   // expected-warning@-2 {{'&' within '^'}}
  46   // expected-note@-3 {{place parentheses around the '&' expression to silence this warning}}
  47 #endif
  48   // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:10-[[@LINE-5]]:10}:"("
  49   // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:15-[[@LINE-6]]:15}:")"
  50
  51   (void)(i ^ i & i);
  52 #ifndef SILENCE
  53   // expected-warning@-2 {{'&' within '^'}}
  54   // expected-note@-3 {{place parentheses around the '&' expression to silence this warning}}
  55 #endif
  56   // CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:14-[[@LINE-5]]:14}:"("
  57   // CHECK: fix-it:"{{.*}}":{[[@LINE-6]]:19-[[@LINE-6]]:19}:")"
  58 }