1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/builtins-arm.c b/test/CodeGen/builtins-arm.c
index 9f3ed9ac78a1..2b81856e6b48 100644
--- a/test/CodeGen/builtins-arm.c
+++ b/test/CodeGen/builtins-arm.c
@@ -84,3 +84,42 @@ void prefetch(int i) {
   __builtin_arm_prefetch(&i, 1, 0);
 // CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 0)
 }
+
+unsigned rsr() {
+  // CHECK: [[V0:[%A-Za-z0-9.]+]] = {{.*}} call i32 @llvm.read_register.i32(metadata !7)
+  // CHECK-NEXT: ret i32 [[V0]]
+  return __builtin_arm_rsr("cp1:2:c3:c4:5");
+}
+
+unsigned long long rsr64() {
+  // CHECK: [[V0:[%A-Za-z0-9.]+]] = {{.*}} call i64 @llvm.read_register.i64(metadata !8)
+  // CHECK-NEXT: ret i64 [[V0]]
+  return __builtin_arm_rsr64("cp1:2:c3");
+}
+
+void *rsrp() {
+  // CHECK: [[V0:[%A-Za-z0-9.]+]] = {{.*}} call i32 @llvm.read_register.i32(metadata !9)
+  // CHECK-NEXT: [[V1:[%A-Za-z0-9.]+]] = inttoptr i32 [[V0]] to i8*
+  // CHECK-NEXT: ret i8* [[V1]]
+  return __builtin_arm_rsrp("sysreg");
+}
+
+void wsr(unsigned v) {
+  // CHECK: call void @llvm.write_register.i32(metadata !7, i32 %v)
+  __builtin_arm_wsr("cp1:2:c3:c4:5", v);
+}
+
+void wsr64(unsigned long long v) {
+  // CHECK: call void @llvm.write_register.i64(metadata !8, i64 %v)
+  __builtin_arm_wsr64("cp1:2:c3", v);
+}
+
+void wsrp(void *v) {
+  // CHECK: [[V0:[%A-Za-z0-9.]+]] = ptrtoint i8* %v to i32
+  // CHECK-NEXT: call void @llvm.write_register.i32(metadata !9, i32 [[V0]])
+  __builtin_arm_wsrp("sysreg", v);
+}
+
+// CHECK: !7 = !{!"cp1:2:c3:c4:5"}
+// CHECK: !8 = !{!"cp1:2:c3"}
+// CHECK: !9 = !{!"sysreg"}