1; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s
2
3define i64 @get_stack() nounwind {
4entry:
5; CHECK-LABEL: get_stack:
6; CHECK: mov   x0, sp
7	%sp = call i64 @llvm.read_register.i64(metadata !0)
8  ret i64 %sp
9}
10
11define void @set_stack(i64 %val) nounwind {
12entry:
13; CHECK-LABEL: set_stack:
14; CHECK: mov   sp, x0
15  call void @llvm.write_register.i64(metadata !0, i64 %val)
16  ret void
17}
18
19declare i64 @llvm.read_register.i64(metadata) nounwind
20declare void @llvm.write_register.i64(metadata, i64) nounwind
21
22; register unsigned long current_stack_pointer asm("sp");
23; CHECK-NOT: .asciz  "sp"
24!0 = !{!"sp\00"}
25