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// RUN: %clang_cc1 -triple arm64-apple-ios -O3 -emit-llvm -o - %s | FileCheck %s
void f0(void *a, void *b) {
__clear_cache(a,b);
// CHECK: call {{.*}} @__clear_cache
}
// CHECK: call {{.*}} @llvm.aarch64.rbit.i32(i32 %a)
unsigned rbit(unsigned a) {
return __builtin_arm_rbit(a);
}
// CHECK: call {{.*}} @llvm.aarch64.rbit.i64(i64 %a)
unsigned long long rbit64(unsigned long long a) {
return __builtin_arm_rbit64(a);
}
void hints() {
__builtin_arm_nop(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 0)
__builtin_arm_yield(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 1)
__builtin_arm_wfe(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 2)
__builtin_arm_wfi(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 3)
__builtin_arm_sev(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 4)
__builtin_arm_sevl(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 5)
}
void barriers() {
__builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.aarch64.dmb(i32 1)
__builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.aarch64.dsb(i32 2)
__builtin_arm_isb(3); //CHECK: call {{.*}} @llvm.aarch64.isb(i32 3)
}
void prefetch() {
__builtin_arm_prefetch(0, 1, 2, 0, 1); // pstl3keep
// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 1, i32 1, i32 1)
__builtin_arm_prefetch(0, 0, 0, 1, 1); // pldl1keep
// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 0, i32 1)
__builtin_arm_prefetch(0, 0, 0, 1, 1); // pldl1strm
// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 0, i32 1)
__builtin_arm_prefetch(0, 0, 0, 0, 0); // plil1keep
// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 3, i32 0)
}
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