1; RUN: llc < %s -mtriple=x86_64-apple-darwin  | FileCheck %s
2; RUN: llc < %s -mtriple=x86_64-linux-gnueabi | FileCheck %s
3
4define i64 @get_stack() nounwind {
5entry:
6; CHECK-LABEL: get_stack:
7; CHECK: movq	%rsp, %rax
8	%sp = call i64 @llvm.read_register.i64(metadata !0)
9  ret i64 %sp
10}
11
12define void @set_stack(i64 %val) nounwind {
13entry:
14; CHECK-LABEL: set_stack:
15; CHECK: movq	%rdi, %rsp
16  call void @llvm.write_register.i64(metadata !0, i64 %val)
17  ret void
18}
19
20declare i64 @llvm.read_register.i64(metadata) nounwind
21declare void @llvm.write_register.i64(metadata, i64) nounwind
22
23; register unsigned long current_stack_pointer asm("rsp");
24; CHECK-NOT: .asciz  "rsp"
25!0 = metadata !{metadata !"rsp\00"}
26