clang/test/Layout/aix-no-unique-address-with-double.cpp

   1 // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -fdump-record-layouts \
   2 // RUN:     -fsyntax-only %s | \
   3 // RUN:   FileCheck %s
   4
   5 // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -fdump-record-layouts \
   6 // RUN:     -fsyntax-only %s | \
   7 // RUN:   FileCheck %s
   8
   9 struct Empty {};
  10
  11 struct A {
  12   double d;
  13 };
  14
  15 // CHECK:     *** Dumping AST Record Layout
  16 // CHECK-NEXT:          0 | struct Empty (empty)
  17 // CHECK-NEXT:            | [sizeof=1, dsize=1, align=1, preferredalign=1,
  18 // CHECK-NEXT:            |  nvsize=1, nvalign=1, preferrednvalign=1]
  19
  20 // CHECK:     *** Dumping AST Record Layout
  21 // CHECK-NEXT:          0 | struct A
  22 // CHECK-NEXT:          0 |   double d
  23 // CHECK-NEXT:            | [sizeof=8, dsize=8, align=4, preferredalign=8,
  24 // CHECK-NEXT:            |  nvsize=8, nvalign=4, preferrednvalign=8]
  25
  26 struct B {
  27   ~B();
  28
  29   Empty emp;
  30   A a;
  31   char c;
  32 };
  33
  34 struct B1 {
  35   [[no_unique_address]] B b;
  36   char ext[7];
  37 };
  38
  39 // CHECK:     *** Dumping AST Record Layout
  40 // CHECK-NEXT:          0 | struct B
  41 // CHECK-NEXT:          0 |   struct Empty emp (empty)
  42 // CHECK-NEXT:          4 |   struct A a
  43 // CHECK-NEXT:          4 |     double d
  44 // CHECK-NEXT:         12 |   char c
  45 // CHECK-NEXT:            | [sizeof=16, dsize=13, align=4, preferredalign=4,
  46 // CHECK-NEXT:            |  nvsize=13, nvalign=4, preferrednvalign=4]
  47
  48 // CHECK:     *** Dumping AST Record Layout
  49 // CHECK-NEXT:          0 | struct B1
  50 // CHECK-NEXT:          0 |   struct B b
  51 // CHECK-NEXT:          0 |     struct Empty emp (empty)
  52 // CHECK-NEXT:          4 |     struct A a
  53 // CHECK-NEXT:          4 |       double d
  54 // CHECK-NEXT:         12 |     char c
  55 // CHECK-NEXT:         13 |   char[7] ext
  56 // CHECK-NEXT:            | [sizeof=20, dsize=20, align=4, preferredalign=4,
  57 // CHECK-NEXT:            |  nvsize=20, nvalign=4, preferrednvalign=4]
  58
  59 struct C {
  60   ~C();
  61
  62   [[no_unique_address]] Empty emp;
  63   A a;
  64   char c;
  65 };
  66
  67 struct C1 {
  68   [[no_unique_address]] C c;
  69   char ext[7];
  70 };
  71
  72 // CHECK:     *** Dumping AST Record Layout
  73 // CHECK-NEXT:          0 | struct C
  74 // CHECK-NEXT:          0 |   struct Empty emp (empty)
  75 // CHECK-NEXT:          0 |   struct A a
  76 // CHECK-NEXT:          0 |     double d
  77 // CHECK-NEXT:          8 |   char c
  78 // CHECK-NEXT:            | [sizeof=16, dsize=9, align=4, preferredalign=8,
  79 // CHECK-NEXT:            |  nvsize=9, nvalign=4, preferrednvalign=8]
  80
  81 // CHECK:     *** Dumping AST Record Layout
  82 // CHECK-NEXT:          0 | struct C1
  83 // CHECK-NEXT:          0 |   struct C c
  84 // CHECK-NEXT:          0 |     struct Empty emp (empty)
  85 // CHECK-NEXT:          0 |     struct A a
  86 // CHECK-NEXT:          0 |       double d
  87 // CHECK-NEXT:          8 |     char c
  88 // CHECK-NEXT:          9 |   char[7] ext
  89 // CHECK-NEXT:            | [sizeof=16, dsize=16, align=4, preferredalign=8,
  90 // CHECK-NEXT:            |  nvsize=16, nvalign=4, preferrednvalign=8]
  91
  92 struct D {
  93   ~D();
  94
  95   [[no_unique_address]] char notEmp;
  96   A a;
  97   char c;
  98 };
  99
 100 struct D1 {
 101   [[no_unique_address]] D d;
 102   char ext[7];
 103 };
 104
 105 // CHECK:     *** Dumping AST Record Layout
 106 // CHECK-NEXT:          0 | struct D
 107 // CHECK-NEXT:          0 |   char notEmp
 108 // CHECK-NEXT:          4 |   struct A a
 109 // CHECK-NEXT:          4 |     double d
 110 // CHECK-NEXT:         12 |   char c
 111 // CHECK-NEXT:            | [sizeof=16, dsize=13, align=4, preferredalign=4,
 112 // CHECK-NEXT:            |  nvsize=13, nvalign=4, preferrednvalign=4]
 113
 114 // CHECK:     *** Dumping AST Record Layout
 115 // CHECK-NEXT:          0 | struct D1
 116 // CHECK-NEXT:          0 |   struct D d
 117 // CHECK-NEXT:          0 |     char notEmp
 118 // CHECK-NEXT:          4 |     struct A a
 119 // CHECK-NEXT:          4 |       double d
 120 // CHECK-NEXT:         12 |     char c
 121 // CHECK-NEXT:         13 |   char[7] ext
 122 // CHECK-NEXT:            | [sizeof=20, dsize=20, align=4, preferredalign=4,
 123 // CHECK-NEXT:            |  nvsize=20, nvalign=4, preferrednvalign=4]
 124
 125 struct E {
 126   [[no_unique_address]] Empty emp;
 127   int : 0;
 128   double d;
 129 };
 130
 131 // CHECK:     *** Dumping AST Record Layout
 132 // CHECK-NEXT:          0 | struct E
 133 // CHECK-NEXT:          0 |   struct Empty emp (empty)
 134 // CHECK-NEXT:        0:- |   int
 135 // CHECK-NEXT:          0 |   double d
 136 // CHECK-NEXT:            | [sizeof=8, dsize=8, align=4, preferredalign=4,
 137 // CHECK-NEXT:            |  nvsize=8, nvalign=4, preferrednvalign=4]
 138
 139 struct F {
 140   [[no_unique_address]] Empty emp, emp2;
 141   double d;
 142 };
 143
 144 // CHECK:      *** Dumping AST Record Layout
 145 // CHECK-NEXT: 0 | struct F
 146 // CHECK-NEXT: 0 |   struct Empty emp (empty)
 147 // CHECK-NEXT: 1 |   struct Empty emp2 (empty)
 148 // CHECK-NEXT: 0 |   double d
 149 // CHECK-NEXT:   | [sizeof=8, dsize=8, align=4, preferredalign=8,
 150 // CHECK-NEXT:   |  nvsize=8, nvalign=4, preferrednvalign=8]
 151
 152 int a = sizeof(Empty);
 153 int b = sizeof(A);
 154 int c = sizeof(B1);
 155 int d = sizeof(C1);
 156 int e = sizeof(D1);
 157 int f = sizeof(E);
 158 int g = sizeof(F);