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comparison test/CodeGen/SystemZ/or-04.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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-1:000000000000 0:95c75e76d11b
1 ; Test 64-bit ORs in which the second operand is constant.
2 ;
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5 ; Check the lowest useful OILL value.
6 define i64 @f1(i64 %a) {
7 ; CHECK-LABEL: f1:
8 ; CHECK: oill %r2, 1
9 ; CHECK: br %r14
10 %or = or i64 %a, 1
11 ret i64 %or
12 }
13
14 ; Check the high end of the OILL range.
15 define i64 @f2(i64 %a) {
16 ; CHECK-LABEL: f2:
17 ; CHECK: oill %r2, 65535
18 ; CHECK: br %r14
19 %or = or i64 %a, 65535
20 ret i64 %or
21 }
22
23 ; Check the lowest useful OILH value, which is the next value up.
24 define i64 @f3(i64 %a) {
25 ; CHECK-LABEL: f3:
26 ; CHECK: oilh %r2, 1
27 ; CHECK: br %r14
28 %or = or i64 %a, 65536
29 ret i64 %or
30 }
31
32 ; Check the lowest useful OILF value, which is the next value up again.
33 define i64 @f4(i64 %a) {
34 ; CHECK-LABEL: f4:
35 ; CHECK: oilf %r2, 4294901759
36 ; CHECK: br %r14
37 %or = or i64 %a, 4294901759
38 ret i64 %or
39 }
40
41 ; Check the high end of the OILH range.
42 define i64 @f5(i64 %a) {
43 ; CHECK-LABEL: f5:
44 ; CHECK: oilh %r2, 65535
45 ; CHECK: br %r14
46 %or = or i64 %a, 4294901760
47 ret i64 %or
48 }
49
50 ; Check the high end of the OILF range.
51 define i64 @f6(i64 %a) {
52 ; CHECK-LABEL: f6:
53 ; CHECK: oilf %r2, 4294967295
54 ; CHECK: br %r14
55 %or = or i64 %a, 4294967295
56 ret i64 %or
57 }
58
59 ; Check the lowest useful OIHL value, which is the next value up.
60 define i64 @f7(i64 %a) {
61 ; CHECK-LABEL: f7:
62 ; CHECK: oihl %r2, 1
63 ; CHECK: br %r14
64 %or = or i64 %a, 4294967296
65 ret i64 %or
66 }
67
68 ; Check the next value up again, which must use two ORs.
69 define i64 @f8(i64 %a) {
70 ; CHECK-LABEL: f8:
71 ; CHECK: oihl %r2, 1
72 ; CHECK: oill %r2, 1
73 ; CHECK: br %r14
74 %or = or i64 %a, 4294967297
75 ret i64 %or
76 }
77
78 ; Check the high end of the OILL range.
79 define i64 @f9(i64 %a) {
80 ; CHECK-LABEL: f9:
81 ; CHECK: oihl %r2, 1
82 ; CHECK: oill %r2, 65535
83 ; CHECK: br %r14
84 %or = or i64 %a, 4295032831
85 ret i64 %or
86 }
87
88 ; Check the next value up, which must use OILH
89 define i64 @f10(i64 %a) {
90 ; CHECK-LABEL: f10:
91 ; CHECK: oihl %r2, 1
92 ; CHECK: oilh %r2, 1
93 ; CHECK: br %r14
94 %or = or i64 %a, 4295032832
95 ret i64 %or
96 }
97
98 ; Check the next value up again, which must use OILF
99 define i64 @f11(i64 %a) {
100 ; CHECK-LABEL: f11:
101 ; CHECK: oihl %r2, 1
102 ; CHECK: oilf %r2, 65537
103 ; CHECK: br %r14
104 %or = or i64 %a, 4295032833
105 ret i64 %or
106 }
107
108 ; Check the high end of the OIHL range.
109 define i64 @f12(i64 %a) {
110 ; CHECK-LABEL: f12:
111 ; CHECK: oihl %r2, 65535
112 ; CHECK: br %r14
113 %or = or i64 %a, 281470681743360
114 ret i64 %or
115 }
116
117 ; Check a combination of the high end of the OIHL range and the high end
118 ; of the OILF range.
119 define i64 @f13(i64 %a) {
120 ; CHECK-LABEL: f13:
121 ; CHECK: oihl %r2, 65535
122 ; CHECK: oilf %r2, 4294967295
123 ; CHECK: br %r14
124 %or = or i64 %a, 281474976710655
125 ret i64 %or
126 }
127
128 ; Check the lowest useful OIHH value.
129 define i64 @f14(i64 %a) {
130 ; CHECK-LABEL: f14:
131 ; CHECK: oihh %r2, 1
132 ; CHECK: br %r14
133 %or = or i64 %a, 281474976710656
134 ret i64 %or
135 }
136
137 ; Check the next value up, which needs two ORs.
138 define i64 @f15(i64 %a) {
139 ; CHECK-LABEL: f15:
140 ; CHECK: oihh %r2, 1
141 ; CHECK: oill %r2, 1
142 ; CHECK: br %r14
143 %or = or i64 %a, 281474976710657
144 ret i64 %or
145 }
146
147 ; Check the lowest useful OIHF value.
148 define i64 @f16(i64 %a) {
149 ; CHECK-LABEL: f16:
150 ; CHECK: oihf %r2, 65537
151 ; CHECK: br %r14
152 %or = or i64 %a, 281479271677952
153 ret i64 %or
154 }
155
156 ; Check the high end of the OIHH range.
157 define i64 @f17(i64 %a) {
158 ; CHECK-LABEL: f17:
159 ; CHECK: oihh %r2, 65535
160 ; CHECK: br %r14
161 %or = or i64 %a, 18446462598732840960
162 ret i64 %or
163 }
164
165 ; Check the high end of the OIHF range.
166 define i64 @f18(i64 %a) {
167 ; CHECK-LABEL: f18:
168 ; CHECK: oihf %r2, 4294967295
169 ; CHECK: br %r14
170 %or = or i64 %a, -4294967296
171 ret i64 %or
172 }
173
174 ; Check the highest useful OR value.
175 define i64 @f19(i64 %a) {
176 ; CHECK-LABEL: f19:
177 ; CHECK: oihf %r2, 4294967295
178 ; CHECK: oilf %r2, 4294967294
179 ; CHECK: br %r14
180 %or = or i64 %a, -2
181 ret i64 %or
182 }