xref: /minix3/external/bsd/llvm/dist/clang/test/Sema/align_value.c (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)5*0a6a1f1dSLionel Sambuc void foo(aligned_double x, double * y __attribute__((align_value(32)))) { };
6*0a6a1f1dSLionel Sambuc 
7*0a6a1f1dSLionel Sambuc // expected-error@+1 {{requested alignment is not a power of 2}}
8*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value(63))) aligned_double1;
9*0a6a1f1dSLionel Sambuc 
10*0a6a1f1dSLionel Sambuc // expected-error@+1 {{requested alignment is not a power of 2}}
11*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value(-2))) aligned_double2;
12*0a6a1f1dSLionel Sambuc 
13*0a6a1f1dSLionel Sambuc // expected-error@+1 {{attribute takes one argument}}
14*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value(63, 4))) aligned_double3;
15*0a6a1f1dSLionel Sambuc 
16*0a6a1f1dSLionel Sambuc // expected-error@+1 {{attribute takes one argument}}
17*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value())) aligned_double3a;
18*0a6a1f1dSLionel Sambuc 
19*0a6a1f1dSLionel Sambuc // expected-error@+1 {{attribute takes one argument}}
20*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value)) aligned_double3b;
21*0a6a1f1dSLionel Sambuc 
22*0a6a1f1dSLionel Sambuc // expected-error@+1 {{'align_value' attribute requires integer constant}}
23*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value(4.5))) aligned_double4;
24*0a6a1f1dSLionel Sambuc 
25*0a6a1f1dSLionel Sambuc // expected-warning@+1 {{'align_value' attribute only applies to a pointer or reference ('int' is invalid)}}
26*0a6a1f1dSLionel Sambuc typedef int __attribute__((align_value(32))) aligned_int;
27*0a6a1f1dSLionel Sambuc 
28*0a6a1f1dSLionel Sambuc typedef double * __attribute__((align_value(32*2))) aligned_double5;
29*0a6a1f1dSLionel Sambuc 
30*0a6a1f1dSLionel Sambuc // expected-warning@+1 {{'align_value' attribute only applies to variables and typedefs}}
31*0a6a1f1dSLionel Sambuc void foo() __attribute__((align_value(32)));
32*0a6a1f1dSLionel Sambuc 
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