69 lines · c
1// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -fsyntax-only -verify %s2// RUN: %clang_cc1 -triple i586-intel-elfiamcu -fsyntax-only -verify %s3 4int x __attribute__((aligned(3))); // expected-error {{requested alignment is not a power of 2}}5int y __attribute__((aligned(1ull << 33))); // expected-error {{requested alignment must be 4294967296 bytes or smaller}}6int y __attribute__((aligned(1ull << 32)));7 8// PR264449int y __attribute__((aligned(1 << 29)));10int y __attribute__((aligned(1 << 28)));11 12// PR325413short g0[3] __attribute__((aligned));14#ifdef __iamcu15short g0_chk[__alignof__(g0) == 4 ? 1 : -1];16#else17short g0_chk[__alignof__(g0) == 16 ? 1 : -1];18 19// GH5053420int z __attribute__((aligned((__int128_t)0x1234567890abcde0ULL << 64))); // expected-error {{requested alignment must be 4294967296 bytes or smaller}}21#endif22 23typedef char ueber_aligned_char __attribute__((aligned(8)));24 25struct struct_with_ueber_char {26 ueber_aligned_char c;27};28 29char a = 0;30 31char a0[__alignof__(ueber_aligned_char) == 8? 1 : -1] = { 0 };32char a1[__alignof__(struct struct_with_ueber_char) == 8? 1 : -1] = { 0 };33char a2[__alignof__(a) == 1? : -1] = { 0 };34char a3[sizeof(a) == 1? : -1] = { 0 };35 36typedef long long __attribute__((aligned(1))) underaligned_longlong;37char a4[__alignof__(underaligned_longlong) == 1 ?: -1] = {0};38 39typedef long long __attribute__((aligned(1))) underaligned_complex_longlong;40char a5[__alignof__(underaligned_complex_longlong) == 1 ?: -1] = {0};41 42int b __attribute__((aligned(2)));43char b1[__alignof__(b) == 2 ?: -1] = {0};44 45struct C { int member __attribute__((aligned(2))); } c;46char c1[__alignof__(c) == 4 ?: -1] = {0};47char c2[__alignof__(c.member) == 4 ?: -1] = {0};48 49struct D { int member __attribute__((aligned(2))) __attribute__((packed)); } d;50char d1[__alignof__(d) == 2 ?: -1] = {0};51char d2[__alignof__(d.member) == 2 ?: -1] = {0};52 53struct E { int member __attribute__((aligned(2))); } __attribute__((packed));54struct E e;55char e1[__alignof__(e) == 2 ?: -1] = {0};56char e2[__alignof__(e.member) == 2 ?: -1] = {0};57 58typedef struct { char c[16]; } S;59typedef S overaligned_struct __attribute__((aligned(16)));60typedef overaligned_struct array_with_overaligned_struct[11];61typedef char array_with_align_attr[11] __attribute__((aligned(16)));62 63char f0[__alignof__(array_with_overaligned_struct) == 16 ? 1 : -1] = { 0 };64char f1[__alignof__(array_with_align_attr) == 16 ? 1 : -1] = { 0 };65array_with_overaligned_struct F2;66char f2[__alignof__(F2) == 16 ? 1 : -1] = { 0 };67array_with_align_attr F3;68char f3[__alignof__(F3) == 16 ? 1 : -1] = { 0 };69