1; RUN: llc -mtriple=arm64_32-apple-ios7.0 %s -o - | FileCheck %s
2
3define void @pass_pointer(i64 %in) {
4; CHECK-LABEL: pass_pointer:
5; CHECK: and x0, x0, #0xffffffff
6; CHECK: bl _take_pointer
7
8  %in32 = trunc i64 %in to i32
9  %ptr = inttoptr i32 %in32 to i8*
10  call i64 @take_pointer(i8* %ptr)
11  ret void
12}
13
14define i64 @take_pointer(i8* %ptr) nounwind {
15; CHECK-LABEL: take_pointer:
16; CHECK-NEXT: %bb.0
17; CHECK-NEXT: ret
18
19  %val = ptrtoint i8* %ptr to i32
20  %res = zext i32 %val to i64
21  ret i64 %res
22}
23
24define i32 @callee_ptr_stack_slot([8 x i64], i8*, i32 %val) {
25; CHECK-LABEL: callee_ptr_stack_slot:
26; CHECK: ldr w0, [sp, #4]
27
28  ret i32 %val
29}
30
31define void @caller_ptr_stack_slot(i8* %ptr) {
32; CHECK-LABEL: caller_ptr_stack_slot:
33; CHECK-DAG: mov [[VAL:w[0-9]]], #42
34; CHECK: stp w0, [[VAL]], [sp]
35
36  call i32 @callee_ptr_stack_slot([8 x i64] undef, i8* %ptr, i32 42)
37  ret void
38}
39
40define i8* @return_ptr(i64 %in, i64 %r) {
41; CHECK-LABEL: return_ptr:
42; CHECK: sdiv [[VAL64:x[0-9]+]], x0, x1
43; CHECK: and x0, [[VAL64]], #0xffffffff
44
45  %sum = sdiv i64 %in, %r
46  %sum32 = trunc i64 %sum to i32
47  %res = inttoptr i32 %sum32 to i8*
48  ret i8* %res
49}
50