| // RUN: %clang_cc1 -triple arm64-windows -Wno-everything -Wimplicit-function-declaration -fms-compatibility -fsyntax-only -verify %s | 
 |  | 
 | // RUN: %clang_cc1 -triple arm64-linux -Wno-everything -Wimplicit-function-declaration -fsyntax-only -verify %s | 
 |  | 
 | // RUN: %clang_cc1 -triple arm64-darwin -Wno-everything -Wimplicit-function-declaration -fms-compatibility -fsyntax-only -verify %s | 
 |  | 
 | void check__dmb(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __dmb(0); | 
 | } | 
 |  | 
 | void check__dsb(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __dsb(0); | 
 | } | 
 |  | 
 | void check__isb(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __isb(0); | 
 | } | 
 |  | 
 | void check__yield(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __yield(); | 
 | } | 
 |  | 
 | void check__wfe(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __wfe(); | 
 | } | 
 |  | 
 | void check__wfi(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __wfi(); | 
 | } | 
 |  | 
 | void check__sev(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __sev(); | 
 | } | 
 |  | 
 | void check__sevl(void) { | 
 |   // expected-warning@+2{{call to undeclared library function}} | 
 |   // expected-note@+1{{include the header <arm_acle.h> or explicitly provide a declaration for}} | 
 |   __sevl(); | 
 | } |