| Matthias Braun | 7c91336 | 2017-08-01 22:20:49 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=thumb-linux-androideabi -mcpu=arm1156t2-s -mattr=+thumb2 -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android |
| 2 | ; RUN: llc < %s -mtriple=thumb-linux-androideabi -mcpu=arm1156t2-s -mattr=+thumb2 -filetype=obj |
| Oliver Stannard | b14c625 | 2014-04-02 16:10:33 +0000 | [diff] [blame] | 3 | |
| 4 | |
| 5 | ; Just to prevent the alloca from being optimized away |
| 6 | declare void @dummy_use(i32*, i32) |
| 7 | |
| Reid Kleckner | 9c65821 | 2014-04-10 22:58:43 +0000 | [diff] [blame] | 8 | define void @test_basic() #0 { |
| Oliver Stannard | b14c625 | 2014-04-02 16:10:33 +0000 | [diff] [blame] | 9 | %mem = alloca i32, i32 10 |
| 10 | call void @dummy_use (i32* %mem, i32 10) |
| 11 | ret void |
| 12 | |
| 13 | ; Thumb-android: test_basic: |
| 14 | |
| 15 | ; Thumb-android: push {r4, r5} |
| 16 | ; Thumb-android-NEXT: mrc p15, #0, r4, c13, c0, #3 |
| 17 | ; Thumb-android-NEXT: mov r5, sp |
| 18 | ; Thumb-android-NEXT: ldr r4, [r4, #252] |
| 19 | ; Thumb-android-NEXT: cmp r4, r5 |
| 20 | ; Thumb-android-NEXT: blo .LBB0_2 |
| 21 | |
| 22 | ; Thumb-android: mov r4, #48 |
| 23 | ; Thumb-android-NEXT: mov r5, #0 |
| 24 | ; Thumb-android-NEXT: push {lr} |
| 25 | ; Thumb-android-NEXT: bl __morestack |
| 26 | ; Thumb-android-NEXT: ldr lr, [sp], #4 |
| 27 | ; Thumb-android-NEXT: pop {r4, r5} |
| 28 | ; Thumb-android-NEXT: bx lr |
| 29 | |
| 30 | ; Thumb-android: pop {r4, r5} |
| 31 | |
| 32 | } |
| Reid Kleckner | 9c65821 | 2014-04-10 22:58:43 +0000 | [diff] [blame] | 33 | |
| 34 | attributes #0 = { "split-stack" } |