clang/test/Layout/itanium-pack-and-align.cpp

   1 // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only -fdump-record-layouts %s \
   2 // RUN:            | FileCheck %s
   3
   4 struct S {
   5   char x;
   6   int y;
   7 } __attribute__((packed, aligned(8)));
   8
   9 struct alignas(8) T {
  10   char x;
  11   int y;
  12 } __attribute__((packed));
  13
  14 S s;
  15 T t;
  16 // CHECK:          0 | struct T
  17 // CHECK-NEXT:          0 |   char x
  18 // CHECK-NEXT:          1 |   int y
  19 // CHECK-NEXT:            | [sizeof=8, dsize=8, align=8,{{( preferredalign=8,)?}}
  20 // CHECK-NEXT:            |  nvsize=8, nvalign=8{{(, preferrednvalign=8)?}}]
  21
  22 // CHECK:          0 | struct S
  23 // CHECK-NEXT:          0 |   char x
  24 // CHECK-NEXT:          1 |   int y
  25 // CHECK-NEXT:            | [sizeof=8, dsize=8, align=8,{{( preferredalign=8,)?}}
  26 // CHECK-NEXT:            |  nvsize=8, nvalign=8{{(, preferrednvalign=8)?}}]