clang/test/AST/alignas_maybe_odr_cleanup.cpp

   1 // Test without serialization:
   2 // RUN: %clang_cc1 -fsyntax-only %s -ast-dump | FileCheck %s
   3 //
   4 // Test with serialization:
   5 // RUN: %clang_cc1 -emit-pch -o %t %s
   6 // RUN: %clang_cc1 -x c++ -include-pch %t -ast-dump-all /dev/null \
   7 // RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
   8 // RUN: | FileCheck %s
   9
  10 struct FOO {
  11   static const int vec_align_bytes = 16;
  12   void foo() {
  13     double a alignas(vec_align_bytes);
  14     ;
  15   }
  16 };
  17
  18 // CHECK:      |   `-AlignedAttr {{.*}} <col:14> alignas
  19 // CHECK-NEXT:      |     `-ConstantExpr {{.*}} <col:22> 'int'
  20 // CHECK-NEXT:      |       |-value: Int 16
  21 // CHECK-NEXT:      |       `-ImplicitCastExpr {{.*}} <col:22> 'int' <LValueToRValue>
  22 // CHECK-NEXT:      |         `-DeclRefExpr {{.*}} <col:22> 'const int' lvalue Var {{.*}} 'vec_align_bytes' 'const int' non_odr_use_constant
  23 // CHECK-NEXT:      `-NullStmt {{.*}} <line:14:5>