aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/Thumb/large-stack.ll
blob: fb6daa4786511214aaacf8af22c43d4a14701918 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
; RUN: llc < %s -mtriple=thumb-apple-ios | FileCheck %s

define void @test1() {
; CHECK-LABEL: test1:
; CHECK: sub sp, #256
; CHECK: add sp, #256
    %tmp = alloca [ 64 x i32 ] , align 4
    ret void
}

define void @test2() {
; CHECK-LABEL: test2:
; CHECK: ldr r0, LCPI
; CHECK: add sp, r0
; CHECK: subs r4, r7, #4
; CHECK: mov sp, r4
    %tmp = alloca [ 4168 x i8 ] , align 4
    ret void
}

define i32 @test3() {
; CHECK-LABEL: test3:
; CHECK: ldr r1, LCPI
; CHECK: add sp, r1
; CHECK: ldr r1, LCPI
; CHECK: add r1, sp
; CHECK: subs r4, r7, #4
; CHECK: mov sp, r4
    %retval = alloca i32, align 4
    %tmp = alloca i32, align 4
    %a = alloca [805306369 x i8], align 16
    store i32 0, i32* %tmp
    %tmp1 = load i32* %tmp
    ret i32 %tmp1
}