| Saleem Abdulrasool | 763f9a5 | 2014-07-07 05:18:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple thumbv7-windows -filetype asm -o - %s | FileCheck %s |
| 2 | |
| 3 | ; ModuleID = 'dllimport.c' |
| 4 | |
| 5 | @var = external dllimport global i32 |
| 6 | @ext = external global i32 |
| 7 | declare dllimport arm_aapcs_vfpcc i32 @external() |
| 8 | declare arm_aapcs_vfpcc i32 @internal() |
| 9 | |
| 10 | define arm_aapcs_vfpcc i32 @get_var() { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 11 | %1 = load i32, i32* @var, align 4 |
| Saleem Abdulrasool | 763f9a5 | 2014-07-07 05:18:35 +0000 | [diff] [blame] | 12 | ret i32 %1 |
| 13 | } |
| 14 | |
| 15 | ; CHECK-LABEL: get_var |
| 16 | ; CHECK: movw r0, :lower16:__imp_var |
| 17 | ; CHECK: movt r0, :upper16:__imp_var |
| 18 | ; CHECK: ldr r0, [r0] |
| 19 | ; CHECK: ldr r0, [r0] |
| 20 | ; CHECK: bx lr |
| 21 | |
| 22 | define arm_aapcs_vfpcc i32 @get_ext() { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 23 | %1 = load i32, i32* @ext, align 4 |
| Saleem Abdulrasool | 763f9a5 | 2014-07-07 05:18:35 +0000 | [diff] [blame] | 24 | ret i32 %1 |
| 25 | } |
| 26 | |
| 27 | ; CHECK-LABEL: get_ext |
| 28 | ; CHECK: movw r0, :lower16:ext |
| 29 | ; CHECK: movt r0, :upper16:ext |
| 30 | ; CHECK: ldr r0, [r0] |
| 31 | ; CHECK: bx lr |
| 32 | |
| 33 | define arm_aapcs_vfpcc i32* @get_var_pointer() { |
| 34 | ret i32* @var |
| 35 | } |
| 36 | |
| 37 | ; CHECK-LABEL: get_var_pointer |
| 38 | ; CHECK: movw r0, :lower16:__imp_var |
| 39 | ; CHECK: movt r0, :upper16:__imp_var |
| 40 | ; CHECK: ldr r0, [r0] |
| 41 | ; CHECK: bx lr |
| 42 | |
| 43 | define arm_aapcs_vfpcc i32 @call_external() { |
| 44 | %call = tail call arm_aapcs_vfpcc i32 @external() |
| 45 | ret i32 %call |
| 46 | } |
| 47 | |
| 48 | ; CHECK-LABEL: call_external |
| 49 | ; CHECK: movw r0, :lower16:__imp_external |
| 50 | ; CHECK: movt r0, :upper16:__imp_external |
| 51 | ; CHECK: ldr r0, [r0] |
| 52 | ; CHECK: bx r0 |
| 53 | |
| 54 | define arm_aapcs_vfpcc i32 @call_internal() { |
| 55 | %call = tail call arm_aapcs_vfpcc i32 @internal() |
| 56 | ret i32 %call |
| 57 | } |
| 58 | |
| 59 | ; CHECK-LABEL: call_internal |
| 60 | ; CHECK: b internal |
| 61 | |