xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/align_value.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify %s
2*0a6a1f1dSLionel Sambuc 
3*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value(64))) aligned_double;
4*0a6a1f1dSLionel Sambuc 
foo(aligned_double x,double * y,double & z)5*0a6a1f1dSLionel Sambuc void foo(aligned_double x, double * y __attribute__((align_value(32))),
6*0a6a1f1dSLionel Sambuc          double & z __attribute__((align_value(128)))) { };
7*0a6a1f1dSLionel Sambuc 
8*0a6a1f1dSLionel Sambuc template <typename T, int Q>
9*0a6a1f1dSLionel Sambuc struct x {
10*0a6a1f1dSLionel Sambuc   typedef T* aligned_int __attribute__((align_value(32+8*Q)));
11*0a6a1f1dSLionel Sambuc   aligned_int V;
12*0a6a1f1dSLionel Sambuc 
13*0a6a1f1dSLionel Sambuc   void foo(aligned_int a, T &b __attribute__((align_value(sizeof(T)*4))));
14*0a6a1f1dSLionel Sambuc };
15*0a6a1f1dSLionel Sambuc 
16*0a6a1f1dSLionel Sambuc x<float, 4> y;
17*0a6a1f1dSLionel Sambuc 
18*0a6a1f1dSLionel Sambuc template <typename T, int Q>
19*0a6a1f1dSLionel Sambuc struct nope {
20*0a6a1f1dSLionel Sambuc   // expected-error@+1 {{requested alignment is not a power of 2}}
21*0a6a1f1dSLionel Sambuc   void foo(T &b __attribute__((align_value(sizeof(T)+1))));
22*0a6a1f1dSLionel Sambuc };
23*0a6a1f1dSLionel Sambuc 
24*0a6a1f1dSLionel Sambuc // expected-note@+1 {{in instantiation of template class 'nope<long double, 4>' requested here}}
25*0a6a1f1dSLionel Sambuc nope<long double, 4> y2;
26*0a6a1f1dSLionel Sambuc 
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