| // REQUIRES: arm-registered-target |
| // RUN: %clang_cc1 -Wall -Werror -triple thumbv7-eabi -target-cpu cortex-a8 -O3 -emit-llvm -o - %s | FileCheck %s |
| |
| void *f0() |
| { |
| return __builtin_thread_pointer(); |
| } |
| |
| void f1(char *a, char *b) { |
| __clear_cache(a,b); |
| } |
| |
| // CHECK: call {{.*}} @__clear_cache |
| |
| void test_eh_return_data_regno() |
| { |
| volatile int res; |
| res = __builtin_eh_return_data_regno(0); // CHECK: store volatile i32 0 |
| res = __builtin_eh_return_data_regno(1); // CHECK: store volatile i32 1 |
| } |
| |
| void nop() { |
| __builtin_arm_nop(); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.hint(i32 0) |
| |
| void yield() { |
| __builtin_arm_yield(); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.hint(i32 1) |
| |
| void wfe() { |
| __builtin_arm_wfe(); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.hint(i32 2) |
| |
| void wfi() { |
| __builtin_arm_wfi(); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.hint(i32 3) |
| |
| void sev() { |
| __builtin_arm_sev(); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.hint(i32 4) |
| |
| void sevl() { |
| __builtin_arm_sevl(); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.hint(i32 5) |
| |
| void dbg() { |
| __builtin_arm_dbg(0); |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.dbg(i32 0) |
| |
| void test_barrier() { |
| __builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.arm.dmb(i32 1) |
| __builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.arm.dsb(i32 2) |
| __builtin_arm_isb(3); //CHECK: call {{.*}} @llvm.arm.isb(i32 3) |
| } |
| |
| // CHECK: call {{.*}} @llvm.arm.rbit(i32 %a) |
| |
| unsigned rbit(unsigned a) { |
| return __builtin_arm_rbit(a); |
| } |
| |
| void prefetch(int i) { |
| __builtin_arm_prefetch(&i, 0, 1); |
| // CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 0, i32 3, i32 1) |
| |
| __builtin_arm_prefetch(&i, 1, 1); |
| // CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 1) |
| |
| |
| __builtin_arm_prefetch(&i, 1, 0); |
| // CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 0) |
| } |