clang/test/Analysis/padding_no_unique_address.cpp

   1 // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-linux-gnu -analyzer-checker=optin.performance -analyzer-config optin.performance.Padding:AllowedPad=2 -verify %s
   2
   3 class Empty {}; // no-warning
   4
   5 // expected-warning@+1{{Excessive padding in 'struct NoUniqueAddressWarn1' (6 padding}}
   6 struct NoUniqueAddressWarn1 {
   7   char c1;
   8   [[no_unique_address]] Empty empty;
   9   int i;
  10   char c2;
  11 };
  12
  13 // expected-warning@+1{{Excessive padding in 'struct NoUniqueAddressWarn2' (6 padding}}
  14 struct NoUniqueAddressWarn2 {
  15     char c1;
  16     [[no_unique_address]] Empty e1, e2;
  17     int i;
  18     char c2;
  19 };
  20
  21 struct NoUniqueAddressNoWarn1 {
  22   char c1;
  23   [[no_unique_address]] Empty empty;
  24   char c2;
  25 };
  26
  27 struct NoUniqueAddressNoWarn2 {
  28   char c1;
  29   [[no_unique_address]] Empty e1, e2;
  30 };