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1# RUN: llc -o - %s -mtriple=thumbv7-- -run-pass=stack-protector -run-pass=prologepilog | FileCheck %s
2---
3# This should trigger an emergency spill in the register scavenger because the
4# frame offset into the large argument is too large.
5# CHECK-LABEL: name: func0
6# CHECK: t2STRi12 killed [[SPILLED:\$r[0-9]+]], $sp, 0, 14, $noreg :: (store 4 into %stack.0)
7# CHECK: [[SPILLED]] = t2ADDri killed $sp, 4096, 14, $noreg, $noreg
8# CHECK: $sp = t2LDRi12 killed [[SPILLED]], 40, 14, $noreg :: (load 4)
9# CHECK: [[SPILLED]] = t2LDRi12 $sp, 0, 14, $noreg :: (load 4 from %stack.0)
10name: func0
11tracksRegLiveness: true
12fixedStack:
13  - { id: 0, offset: 4084, size: 4, alignment: 4, isImmutable: true,
14      isAliased: false }
15  - { id: 1, offset: -12, size: 4096, alignment: 4, isImmutable: false,
16      isAliased: false }
17body: |
18  bb.0:
19    $r0 = IMPLICIT_DEF
20    $r1 = IMPLICIT_DEF
21    $r2 = IMPLICIT_DEF
22    $r3 = IMPLICIT_DEF
23    $r4 = IMPLICIT_DEF
24    $r5 = IMPLICIT_DEF
25    $r6 = IMPLICIT_DEF
26    $r7 = IMPLICIT_DEF
27    $r8 = IMPLICIT_DEF
28    $r9 = IMPLICIT_DEF
29    $r10 = IMPLICIT_DEF
30    $r11 = IMPLICIT_DEF
31    $r12 = IMPLICIT_DEF
32    $lr = IMPLICIT_DEF
33
34    $sp = t2LDRi12 %fixed-stack.0, 0, 14, $noreg :: (load 4)
35
36    KILL $r0
37    KILL $r1
38    KILL $r2
39    KILL $r3
40    KILL $r4
41    KILL $r5
42    KILL $r6
43    KILL $r7
44    KILL $r8
45    KILL $r9
46    KILL $r10
47    KILL $r11
48    KILL $r12
49    KILL $lr
50...
51---
52# This should not trigger an emergency spill yet.
53# CHECK-LABEL: name: func1
54# CHECK-NOT: t2STRi12
55# CHECK-NOT: t2ADDri
56# CHECK: $r11 = t2LDRi12 $sp, 4092, 14, $noreg :: (load 4)
57# CHECK-NOT: t2LDRi12
58name: func1
59tracksRegLiveness: true
60fixedStack:
61  - { id: 0, offset: 4044, size: 4, alignment: 4, isImmutable: true,
62      isAliased: false }
63  - { id: 1, offset: -12, size: 4056, alignment: 4, isImmutable: false,
64      isAliased: false }
65body: |
66  bb.0:
67    $r0 = IMPLICIT_DEF
68    $r1 = IMPLICIT_DEF
69    $r2 = IMPLICIT_DEF
70    $r3 = IMPLICIT_DEF
71    $r4 = IMPLICIT_DEF
72    $r5 = IMPLICIT_DEF
73    $r6 = IMPLICIT_DEF
74    $r8 = IMPLICIT_DEF
75    $r9 = IMPLICIT_DEF
76    $r10 = IMPLICIT_DEF
77    $r11 = IMPLICIT_DEF
78    $r12 = IMPLICIT_DEF
79    $lr = IMPLICIT_DEF
80
81    $r11 = t2LDRi12 %fixed-stack.0, 0, 14, $noreg :: (load 4)
82
83    KILL $r0
84    KILL $r1
85    KILL $r2
86    KILL $r3
87    KILL $r4
88    KILL $r5
89    KILL $r6
90    KILL $r8
91    KILL $r9
92    KILL $r10
93    KILL $r11
94    KILL $r12
95    KILL $lr
96...
97