1// RUN: %clang_cc1 -triple arm64-apple-ios -O3 -emit-llvm -o - %s | FileCheck %s 2 3void f0(void *a, void *b) { 4 __clear_cache(a,b); 5// CHECK: call {{.*}} @__clear_cache 6} 7 8// CHECK: call {{.*}} @llvm.aarch64.rbit.i32(i32 %a) 9unsigned rbit(unsigned a) { 10 return __builtin_arm_rbit(a); 11} 12 13// CHECK: call {{.*}} @llvm.aarch64.rbit.i64(i64 %a) 14unsigned long long rbit64(unsigned long long a) { 15 return __builtin_arm_rbit64(a); 16} 17 18void hints() { 19 __builtin_arm_nop(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 0) 20 __builtin_arm_yield(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 1) 21 __builtin_arm_wfe(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 2) 22 __builtin_arm_wfi(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 3) 23 __builtin_arm_sev(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 4) 24 __builtin_arm_sevl(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 5) 25} 26 27void barriers() { 28 __builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.aarch64.dmb(i32 1) 29 __builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.aarch64.dsb(i32 2) 30 __builtin_arm_isb(3); //CHECK: call {{.*}} @llvm.aarch64.isb(i32 3) 31} 32 33void prefetch() { 34 __builtin_arm_prefetch(0, 1, 2, 0, 1); // pstl3keep 35// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 1, i32 1, i32 1) 36 37 __builtin_arm_prefetch(0, 0, 0, 1, 1); // pldl1keep 38// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 0, i32 1) 39 40 __builtin_arm_prefetch(0, 0, 0, 1, 1); // pldl1strm 41// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 0, i32 1) 42 43 __builtin_arm_prefetch(0, 0, 0, 0, 0); // plil1keep 44// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 3, i32 0) 45} 46