summaryrefslogtreecommitdiffstats
path: root/clang/test/CodeGen/builtins-arm64.c
blob: cfa11812279325393e68bcebb269bff87c1e3a7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// 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)
}
OpenPOWER on IntegriCloud