| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 1 | ;PR15293: ARM codegen ice - expected larger existing stack allocation |
| 2 | ;RUN: llc -mtriple=arm-linux-gnueabihf < %s | FileCheck %s |
| 3 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 4 | ;CHECK-LABEL: foo: |
| Tim Northover | 8cda34f | 2015-03-11 18:54:22 +0000 | [diff] [blame] | 5 | ;CHECK: sub sp, sp, #16 |
| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 6 | ;CHECK: push {r11, lr} |
| Matthias Braun | 77219d8 | 2013-10-11 18:09:19 +0000 | [diff] [blame] | 7 | ;CHECK: str r0, [sp, #8] |
| 8 | ;CHECK: add r0, sp, #8 |
| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 9 | ;CHECK: bl fooUseParam |
| 10 | ;CHECK: pop {r11, lr} |
| Tim Northover | 8cda34f | 2015-03-11 18:54:22 +0000 | [diff] [blame] | 11 | ;CHECK: add sp, sp, #16 |
| 12 | ;CHECK: mov pc, lr |
| 13 | |
| 14 | ;CHECK-LABEL: foo2: |
| 15 | ;CHECK: sub sp, sp, #16 |
| 16 | ;CHECK: push {r11, lr} |
| 17 | ;CHECK: str r0, [sp, #8] |
| 18 | ;CHECK: add r0, sp, #8 |
| 19 | ;CHECK: str r2, [sp, #16] |
| 20 | ;CHECK: bl fooUseParam |
| 21 | ;CHECK: add r0, sp, #16 |
| 22 | ;CHECK: bl fooUseParam |
| 23 | ;CHECK: pop {r11, lr} |
| 24 | ;CHECK: add sp, sp, #16 |
| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 25 | ;CHECK: mov pc, lr |
| 26 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 27 | ;CHECK-LABEL: doFoo: |
| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 28 | ;CHECK: push {r11, lr} |
| 29 | ;CHECK: ldr r0, |
| 30 | ;CHECK: ldr r0, [r0] |
| 31 | ;CHECK: bl foo |
| 32 | ;CHECK: pop {r11, lr} |
| 33 | ;CHECK: mov pc, lr |
| 34 | |
| 35 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 36 | ;CHECK-LABEL: doFoo2: |
| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 37 | ;CHECK: push {r11, lr} |
| 38 | ;CHECK: ldr r0, |
| Matthias Braun | 77219d8 | 2013-10-11 18:09:19 +0000 | [diff] [blame] | 39 | ;CHECK: mov r1, #0 |
| 40 | ;CHECK: ldr r0, [r0] |
| Stepan Dyatkovskiy | 8c02c98 | 2013-05-05 07:48:36 +0000 | [diff] [blame] | 41 | ;CHECK: mov r2, r0 |
| 42 | ;CHECK: bl foo2 |
| 43 | ;CHECK: pop {r11, lr} |
| 44 | ;CHECK: mov pc, lr |
| 45 | |
| 46 | |
| 47 | %artz = type { i32 } |
| 48 | @static_val = constant %artz { i32 777 } |
| 49 | |
| 50 | declare void @fooUseParam(%artz* ) |
| 51 | |
| 52 | define void @foo(%artz* byval %s) { |
| 53 | call void @fooUseParam(%artz* %s) |
| 54 | ret void |
| 55 | } |
| 56 | |
| 57 | define void @foo2(%artz* byval %s, i32 %p, %artz* byval %s2) { |
| 58 | call void @fooUseParam(%artz* %s) |
| 59 | call void @fooUseParam(%artz* %s2) |
| 60 | ret void |
| 61 | } |
| 62 | |
| 63 | |
| 64 | define void @doFoo() { |
| 65 | call void @foo(%artz* byval @static_val) |
| 66 | ret void |
| 67 | } |
| 68 | |
| 69 | define void @doFoo2() { |
| 70 | call void @foo2(%artz* byval @static_val, i32 0, %artz* byval @static_val) |
| 71 | ret void |
| 72 | } |
| 73 | |