1; RUN: llc -mtriple aarch64-unknown-windows-msvc -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,DAG-ISEL
2; RUN: llc -mtriple aarch64-unknown-windows-msvc -fast-isel -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,FAST-ISEL
3; RUN: llc -mtriple aarch64-unknown-windows-msvc -verify-machineinstrs -O0 -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,GLOBAL-ISEL,GLOBAL-ISEL-FALLBACK
4
5@var = external dllimport global i32
6@ext = external global i32
7declare dllimport i32 @external()
8declare i32 @internal()
9
10define i32 @get_var() {
11  %1 = load i32, i32* @var, align 4
12  ret i32 %1
13}
14
15; CHECK-LABEL: get_var
16; CHECK: adrp x8, __imp_var
17; CHECK: ldr x8, [x8, __imp_var]
18; CHECK: ldr w0, [x8]
19; CHECK: ret
20
21define i32 @get_ext() {
22  %1 = load i32, i32* @ext, align 4
23  ret i32 %1
24}
25
26; CHECK-LABEL: get_ext
27; CHECK: adrp x8, ext
28; DAG-ISEL: ldr w0, [x8, ext]
29; FAST-ISEL: add x8, x8, ext
30; FAST-ISEL: ldr w0, [x8]
31; GLOBAL-ISEL-FALLBACK: ldr w0, [x8, ext]
32; CHECK: ret
33
34define i32* @get_var_pointer() {
35  ret i32* @var
36}
37
38; CHECK-LABEL: get_var_pointer
39; CHECK: adrp [[REG1:x[0-9]+]], __imp_var
40; CHECK: ldr {{x[0-9]+}}, {{\[}}[[REG1]], __imp_var]
41; CHECK: ret
42
43define i32 @call_external() {
44  %call = tail call i32 @external()
45  ret i32 %call
46}
47
48; CHECK-LABEL: call_external
49; CHECK: adrp x0, __imp_external
50; CHECK: ldr x0, [x0, __imp_external]
51; CHECK: br x0
52
53define i32 @call_internal() {
54  %call = tail call i32 @internal()
55  ret i32 %call
56}
57
58; CHECK-LABEL: call_internal
59; DAG-ISEL: b internal
60; FAST-ISEL: b internal
61; GLOBAL-ISEL: b internal
62