1 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-linux-gnu | FileCheck %s
2 ; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-linux-gnu | FileCheck %s
4 ; Note that this should be refactored (for efficiency if nothing else)
5 ; when the PCS is implemented so we don't have to worry about the
8 @var_i32 = global i32 42
9 @var_i64 = global i64 0
11 ; Add pure 12-bit immediates:
12 define void @add_small() {
13 ; CHECK-LABEL: add_small:
15 ; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, #4095
16 %val32 = load i32* @var_i32
17 %newval32 = add i32 %val32, 4095
18 store i32 %newval32, i32* @var_i32
20 ; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, #52
21 %val64 = load i64* @var_i64
22 %newval64 = add i64 %val64, 52
23 store i64 %newval64, i64* @var_i64
28 ; Add 12-bit immediates, shifted left by 12 bits
29 define void @add_med() {
30 ; CHECK-LABEL: add_med:
32 ; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, {{#3567, lsl #12|#14610432}}
33 %val32 = load i32* @var_i32
34 %newval32 = add i32 %val32, 14610432 ; =0xdef000
35 store i32 %newval32, i32* @var_i32
37 ; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, {{#4095, lsl #12|#16773120}}
38 %val64 = load i64* @var_i64
39 %newval64 = add i64 %val64, 16773120 ; =0xfff000
40 store i64 %newval64, i64* @var_i64
45 ; Subtract 12-bit immediates
46 define void @sub_small() {
47 ; CHECK-LABEL: sub_small:
49 ; CHECK: sub {{w[0-9]+}}, {{w[0-9]+}}, #4095
50 %val32 = load i32* @var_i32
51 %newval32 = sub i32 %val32, 4095
52 store i32 %newval32, i32* @var_i32
54 ; CHECK: sub {{x[0-9]+}}, {{x[0-9]+}}, #52
55 %val64 = load i64* @var_i64
56 %newval64 = sub i64 %val64, 52
57 store i64 %newval64, i64* @var_i64
62 ; Subtract 12-bit immediates, shifted left by 12 bits
63 define void @sub_med() {
64 ; CHECK-LABEL: sub_med:
66 ; CHECK: sub {{w[0-9]+}}, {{w[0-9]+}}, {{#3567, lsl #12|#14610432}}
67 %val32 = load i32* @var_i32
68 %newval32 = sub i32 %val32, 14610432 ; =0xdef000
69 store i32 %newval32, i32* @var_i32
71 ; CHECK: sub {{x[0-9]+}}, {{x[0-9]+}}, {{#4095, lsl #12|#16773120}}
72 %val64 = load i64* @var_i64
73 %newval64 = sub i64 %val64, 16773120 ; =0xfff000
74 store i64 %newval64, i64* @var_i64
79 define void @testing() {
80 ; CHECK-LABEL: testing:
81 %val = load i32* @var_i32
83 ; CHECK: cmp {{w[0-9]+}}, #4095
84 ; CHECK: b.ne [[RET:.?LBB[0-9]+_[0-9]+]]
85 %cmp_pos_small = icmp ne i32 %val, 4095
86 br i1 %cmp_pos_small, label %ret, label %test2
89 ; CHECK: cmp {{w[0-9]+}}, {{#3567, lsl #12|#14610432}}
91 %newval2 = add i32 %val, 1
92 store i32 %newval2, i32* @var_i32
93 %cmp_pos_big = icmp ult i32 %val, 14610432
94 br i1 %cmp_pos_big, label %ret, label %test3
97 ; CHECK: cmp {{w[0-9]+}}, #123
99 %newval3 = add i32 %val, 2
100 store i32 %newval3, i32* @var_i32
101 %cmp_pos_slt = icmp slt i32 %val, 123
102 br i1 %cmp_pos_slt, label %ret, label %test4
105 ; CHECK: cmp {{w[0-9]+}}, #321
106 ; CHECK: b.gt [[RET]]
107 %newval4 = add i32 %val, 3
108 store i32 %newval4, i32* @var_i32
109 %cmp_pos_sgt = icmp sgt i32 %val, 321
110 br i1 %cmp_pos_sgt, label %ret, label %test5
113 ; CHECK: cmn {{w[0-9]+}}, #444
114 ; CHECK: b.gt [[RET]]
115 %newval5 = add i32 %val, 4
116 store i32 %newval5, i32* @var_i32
117 %cmp_neg_uge = icmp sgt i32 %val, -444
118 br i1 %cmp_neg_uge, label %ret, label %test6
121 %newval6 = add i32 %val, 5
122 store i32 %newval6, i32* @var_i32