1 ; Test spilling of GPRs. The tests here assume z10 register pressure,
2 ; without the high words being available.
4 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
6 ; We need to allocate a 4-byte spill slot, rounded to 8 bytes. The frame
7 ; size should be exactly 160 + 8 = 168.
8 define void @f1(i32 *%ptr) {
10 ; CHECK: stmg %r6, %r15, 48(%r15)
11 ; CHECK: aghi %r15, -168
12 ; CHECK-NOT: 160(%r15)
13 ; CHECK: st [[REGISTER:%r[0-9]+]], 164(%r15)
14 ; CHECK-NOT: 160(%r15)
15 ; CHECK: l [[REGISTER]], 164(%r15)
16 ; CHECK-NOT: 160(%r15)
17 ; CHECK: lmg %r6, %r15, 216(%r15)
19 %l0 = load volatile i32, i32 *%ptr
20 %l1 = load volatile i32, i32 *%ptr
21 %l3 = load volatile i32, i32 *%ptr
22 %l4 = load volatile i32, i32 *%ptr
23 %l5 = load volatile i32, i32 *%ptr
24 %l6 = load volatile i32, i32 *%ptr
25 %l7 = load volatile i32, i32 *%ptr
26 %l8 = load volatile i32, i32 *%ptr
27 %l9 = load volatile i32, i32 *%ptr
28 %l10 = load volatile i32, i32 *%ptr
29 %l11 = load volatile i32, i32 *%ptr
30 %l12 = load volatile i32, i32 *%ptr
31 %l13 = load volatile i32, i32 *%ptr
32 %l14 = load volatile i32, i32 *%ptr
33 %lx = load volatile i32, i32 *%ptr
34 store volatile i32 %lx, i32 *%ptr
35 store volatile i32 %l14, i32 *%ptr
36 store volatile i32 %l13, i32 *%ptr
37 store volatile i32 %l12, i32 *%ptr
38 store volatile i32 %l11, i32 *%ptr
39 store volatile i32 %l10, i32 *%ptr
40 store volatile i32 %l9, i32 *%ptr
41 store volatile i32 %l8, i32 *%ptr
42 store volatile i32 %l7, i32 *%ptr
43 store volatile i32 %l6, i32 *%ptr
44 store volatile i32 %l5, i32 *%ptr
45 store volatile i32 %l4, i32 *%ptr
46 store volatile i32 %l3, i32 *%ptr
47 store volatile i32 %l1, i32 *%ptr
48 store volatile i32 %l0, i32 *%ptr
52 ; Same for i64, except that the full spill slot is used.
53 define void @f2(i64 *%ptr) {
55 ; CHECK: stmg %r6, %r15, 48(%r15)
56 ; CHECK: aghi %r15, -168
57 ; CHECK: stg [[REGISTER:%r[0-9]+]], 160(%r15)
58 ; CHECK: lg [[REGISTER]], 160(%r15)
59 ; CHECK: lmg %r6, %r15, 216(%r15)
61 %l0 = load volatile i64, i64 *%ptr
62 %l1 = load volatile i64, i64 *%ptr
63 %l3 = load volatile i64, i64 *%ptr
64 %l4 = load volatile i64, i64 *%ptr
65 %l5 = load volatile i64, i64 *%ptr
66 %l6 = load volatile i64, i64 *%ptr
67 %l7 = load volatile i64, i64 *%ptr
68 %l8 = load volatile i64, i64 *%ptr
69 %l9 = load volatile i64, i64 *%ptr
70 %l10 = load volatile i64, i64 *%ptr
71 %l11 = load volatile i64, i64 *%ptr
72 %l12 = load volatile i64, i64 *%ptr
73 %l13 = load volatile i64, i64 *%ptr
74 %l14 = load volatile i64, i64 *%ptr
75 %lx = load volatile i64, i64 *%ptr
76 store volatile i64 %lx, i64 *%ptr
77 store volatile i64 %l14, i64 *%ptr
78 store volatile i64 %l13, i64 *%ptr
79 store volatile i64 %l12, i64 *%ptr
80 store volatile i64 %l11, i64 *%ptr
81 store volatile i64 %l10, i64 *%ptr
82 store volatile i64 %l9, i64 *%ptr
83 store volatile i64 %l8, i64 *%ptr
84 store volatile i64 %l7, i64 *%ptr
85 store volatile i64 %l6, i64 *%ptr
86 store volatile i64 %l5, i64 *%ptr
87 store volatile i64 %l4, i64 *%ptr
88 store volatile i64 %l3, i64 *%ptr
89 store volatile i64 %l1, i64 *%ptr
90 store volatile i64 %l0, i64 *%ptr