clang/test/Sema/aix-attr-align.c

   1 // off-no-diagnostics
   2 // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -verify -fsyntax-only %s
   3 // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -verify -fsyntax-only %s
   4 // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -verify=off -Wno-aix-compat -fsyntax-only %s
   5 // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -verify=off -Wno-aix-compat -fsyntax-only %s
   6 // RUN: %clang_cc1 -triple powerpc64le-unknown-linux -verify=off -fsyntax-only %s
   7
   8 struct S {
   9   int a[8] __attribute__((aligned(8))); // no-warning
  10 };
  11
  12 struct T {
  13   int a[4] __attribute__((aligned(16))); // expected-warning {{requesting an alignment of 16 bytes or greater for struct members is not binary compatible with IBM XL C/C++ for AIX 16.1.0 and older}}
  14 };
  15
  16 struct U {
  17   int a[2] __attribute__((aligned(32))); // expected-warning {{requesting an alignment of 16 bytes or greater for struct members is not binary compatible with IBM XL C/C++ for AIX 16.1.0 and older}}
  18 };
  19
  20 int a[8] __attribute__((aligned(8)));  // no-warning
  21 int b[4] __attribute__((aligned(16))); // no-warning
  22 int c[2] __attribute__((aligned(32))); // no-warning