xref: /aosp_15_r20/external/clang/test/Sema/attr-regparm.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li __attribute((regparm(2))) int x0(void);
4*67e74705SXin Li __attribute((regparm(1.0))) int x1(void); // expected-error{{'regparm' attribute requires an integer constant}}
5*67e74705SXin Li __attribute((regparm(-1))) int x2(void); // expected-error{{'regparm' parameter must be between 0 and 3 inclusive}}
6*67e74705SXin Li __attribute((regparm(5))) int x3(void); // expected-error{{'regparm' parameter must be between 0 and 3 inclusive}}
7*67e74705SXin Li __attribute((regparm(5,3))) int x4(void); // expected-error{{'regparm' attribute takes one argument}}
8*67e74705SXin Li 
9*67e74705SXin Li void __attribute__((regparm(3))) x5(int);
10*67e74705SXin Li void x5(int); // expected-note{{previous declaration is here}}
11*67e74705SXin Li void __attribute__((regparm(2))) x5(int); // expected-error{{function declared with regparm(2) attribute was previously declared with the regparm(3) attribute}}
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