[ARM] Split large truncating MVE stores
[llvm-complete.git] / test / CodeGen / Thumb2 / segmented-stacks.ll
blob49627fb7c3c01cb2d5c2a6e459a258915a47390d
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
5 ; Just to prevent the alloca from being optimized away
6 declare void @dummy_use(i32*, i32)
8 define void @test_basic() #0 {
9         %mem = alloca i32, i32 10
10         call void @dummy_use (i32* %mem, i32 10)
11         ret void
13 ; Thumb-android:      test_basic:
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
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
30 ; Thumb-android:      pop     {r4, r5}
34 attributes #0 = { "split-stack" }