|  | // RUN: %clang_cc1 -triple arm64-windows -fms-compatibility -emit-llvm -o - %s \ | 
|  | // RUN:    | FileCheck %s -check-prefix CHECK-MSVC | 
|  |  | 
|  | // RUN: not %clang_cc1 -triple arm64-linux -Werror -S -o /dev/null %s 2>&1 \ | 
|  | // RUN:    | FileCheck %s -check-prefix CHECK-LINUX | 
|  |  | 
|  | void check__dmb(void) { | 
|  | __dmb(0); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.dmb(i32 0) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__dmb' | 
|  |  | 
|  | void check__dsb(void) { | 
|  | __dsb(0); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.dsb(i32 0) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__dsb' | 
|  |  | 
|  | void check__isb(void) { | 
|  | __isb(0); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.isb(i32 0) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__isb' | 
|  |  | 
|  | void check__yield(void) { | 
|  | __yield(); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.hint(i32 1) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__yield' | 
|  |  | 
|  | void check__wfe(void) { | 
|  | __wfe(); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.hint(i32 2) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__wfe' | 
|  |  | 
|  | void check__wfi(void) { | 
|  | __wfi(); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.hint(i32 3) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__wfi' | 
|  |  | 
|  | void check__sev(void) { | 
|  | __sev(); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.hint(i32 4) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__sev' | 
|  |  | 
|  | void check__sevl(void) { | 
|  | __sevl(); | 
|  | } | 
|  |  | 
|  | // CHECK-MSVC: @llvm.aarch64.hint(i32 5) | 
|  | // CHECK-LINUX: error: implicit declaration of function '__sevl' |