1 ; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-linux
2 ; RUN: llc < %s -mtriple=thumb-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android
3 ; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -filetype=obj
4 ; RUN: llc < %s -mtriple=thumb-linux-androideabi -filetype=obj
6 ; Just to prevent the alloca from being optimized away
7 declare void @dummy_use(i32*, i32)
9 define i32 @test_basic(i32 %l) #0 {
10 %mem = alloca i32, i32 %l
11 call void @dummy_use (i32* %mem, i32 %l)
12 %terminate = icmp eq i32 %l, 0
13 br i1 %terminate, label %true, label %false
19 %newlen = sub i32 %l, 1
20 %retvalue = call i32 @test_basic(i32 %newlen)
23 ; Thumb-linux: test_basic:
25 ; Thumb-linux: push {r4, r5}
26 ; Thumb-linux: mov r5, sp
27 ; Thumb-linux-NEXT: ldr r4, .LCPI0_0
28 ; Thumb-linux-NEXT: ldr r4, [r4]
29 ; Thumb-linux-NEXT: cmp r4, r5
30 ; Thumb-linux-NEXT: blo .LBB0_2
32 ; Thumb-linux: mov r4, #16
33 ; Thumb-linux-NEXT: mov r5, #0
34 ; Thumb-linux-NEXT: push {lr}
35 ; Thumb-linux-NEXT: bl __morestack
36 ; Thumb-linux-NEXT: pop {r4}
37 ; Thumb-linux-NEXT: mov lr, r4
38 ; Thumb-linux-NEXT: pop {r4, r5}
39 ; Thumb-linux-NEXT: bx lr
41 ; Thumb-linux: pop {r4, r5}
43 ; Thumb-android: test_basic:
45 ; Thumb-android: push {r4, r5}
46 ; Thumb-android: mov r5, sp
47 ; Thumb-android-NEXT: ldr r4, .LCPI0_0
48 ; Thumb-android-NEXT: ldr r4, [r4]
49 ; Thumb-android-NEXT: cmp r4, r5
50 ; Thumb-android-NEXT: blo .LBB0_2
52 ; Thumb-android: mov r4, #16
53 ; Thumb-android-NEXT: mov r5, #0
54 ; Thumb-android-NEXT: push {lr}
55 ; Thumb-android-NEXT: bl __morestack
56 ; Thumb-android-NEXT: pop {r4}
57 ; Thumb-android-NEXT: mov lr, r4
58 ; Thumb-android-NEXT: pop {r4, r5}
59 ; Thumb-android-NEXT: bx lr
61 ; Thumb-android: pop {r4, r5}
65 attributes #0 = { "split-stack" }