1; Test loading of 64-bit constants.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5declare void @foo(i64, i64, i64, i64)
6
7; Check 0.
8define i64 @f1() {
9; CHECK-LABEL: f1:
10; CHECK: lghi %r2, 0
11; CHECK-NEXT: br %r14
12  ret i64 0
13}
14
15; Check the high end of the LGHI range.
16define i64 @f2() {
17; CHECK-LABEL: f2:
18; CHECK: lghi %r2, 32767
19; CHECK-NEXT: br %r14
20  ret i64 32767
21}
22
23; Check the next value up, which must use LLILL instead.
24define i64 @f3() {
25; CHECK-LABEL: f3:
26; CHECK: llill %r2, 32768
27; CHECK-NEXT: br %r14
28  ret i64 32768
29}
30
31; Check the high end of the LLILL range.
32define i64 @f4() {
33; CHECK-LABEL: f4:
34; CHECK: llill %r2, 65535
35; CHECK-NEXT: br %r14
36  ret i64 65535
37}
38
39; Check the first useful LLILH value, which is the next one up.
40define i64 @f5() {
41; CHECK-LABEL: f5:
42; CHECK: llilh %r2, 1
43; CHECK-NEXT: br %r14
44  ret i64 65536
45}
46
47; Check the first useful LGFI value, which is the next one up again.
48define i64 @f6() {
49; CHECK-LABEL: f6:
50; CHECK: lgfi %r2, 65537
51; CHECK-NEXT: br %r14
52  ret i64 65537
53}
54
55; Check the high end of the LGFI range.
56define i64 @f7() {
57; CHECK-LABEL: f7:
58; CHECK: lgfi %r2, 2147483647
59; CHECK-NEXT: br %r14
60  ret i64 2147483647
61}
62
63; Check the next value up, which should use LLILH instead.
64define i64 @f8() {
65; CHECK-LABEL: f8:
66; CHECK: llilh %r2, 32768
67; CHECK-NEXT: br %r14
68  ret i64 2147483648
69}
70
71; Check the next value up again, which should use LLILF.
72define i64 @f9() {
73; CHECK-LABEL: f9:
74; CHECK: llilf %r2, 2147483649
75; CHECK-NEXT: br %r14
76  ret i64 2147483649
77}
78
79; Check the high end of the LLILH range.
80define i64 @f10() {
81; CHECK-LABEL: f10:
82; CHECK: llilh %r2, 65535
83; CHECK-NEXT: br %r14
84  ret i64 4294901760
85}
86
87; Check the next value up, which must use LLILF.
88define i64 @f11() {
89; CHECK-LABEL: f11:
90; CHECK: llilf %r2, 4294901761
91; CHECK-NEXT: br %r14
92  ret i64 4294901761
93}
94
95; Check the high end of the LLILF range.
96define i64 @f12() {
97; CHECK-LABEL: f12:
98; CHECK: llilf %r2, 4294967295
99; CHECK-NEXT: br %r14
100  ret i64 4294967295
101}
102
103; Check the lowest useful LLIHL value, which is the next one up.
104define i64 @f13() {
105; CHECK-LABEL: f13:
106; CHECK: llihl %r2, 1
107; CHECK-NEXT: br %r14
108  ret i64 4294967296
109}
110
111; Check the next value up, which must use a combination of two instructions.
112define i64 @f14() {
113; CHECK-LABEL: f14:
114; CHECK: llihl %r2, 1
115; CHECK-NEXT: oill %r2, 1
116; CHECK-NEXT: br %r14
117  ret i64 4294967297
118}
119
120; Check the high end of the OILL range.
121define i64 @f15() {
122; CHECK-LABEL: f15:
123; CHECK: llihl %r2, 1
124; CHECK-NEXT: oill %r2, 65535
125; CHECK-NEXT: br %r14
126  ret i64 4295032831
127}
128
129; Check the next value up, which should use OILH instead.
130define i64 @f16() {
131; CHECK-LABEL: f16:
132; CHECK: llihl %r2, 1
133; CHECK-NEXT: oilh %r2, 1
134; CHECK-NEXT: br %r14
135  ret i64 4295032832
136}
137
138; Check the next value up again, which should use OILF.
139define i64 @f17() {
140; CHECK-LABEL: f17:
141; CHECK: llihl %r2, 1
142; CHECK-NEXT: oilf %r2, 65537
143; CHECK-NEXT: br %r14
144  ret i64 4295032833
145}
146
147; Check the high end of the OILH range.
148define i64 @f18() {
149; CHECK-LABEL: f18:
150; CHECK: llihl %r2, 1
151; CHECK-NEXT: oilh %r2, 65535
152; CHECK-NEXT: br %r14
153  ret i64 8589869056
154}
155
156; Check the high end of the OILF range.
157define i64 @f19() {
158; CHECK-LABEL: f19:
159; CHECK: llihl %r2, 1
160; CHECK-NEXT: oilf %r2, 4294967295
161; CHECK-NEXT: br %r14
162  ret i64 8589934591
163}
164
165; Check the high end of the LLIHL range.
166define i64 @f20() {
167; CHECK-LABEL: f20:
168; CHECK: llihl %r2, 65535
169; CHECK-NEXT: br %r14
170  ret i64 281470681743360
171}
172
173; Check the lowest useful LLIHH value, which is 1<<32 greater than the above.
174define i64 @f21() {
175; CHECK-LABEL: f21:
176; CHECK: llihh %r2, 1
177; CHECK-NEXT: br %r14
178  ret i64 281474976710656
179}
180
181; Check the lowest useful LLIHF value, which is 1<<32 greater again.
182define i64 @f22() {
183; CHECK-LABEL: f22:
184; CHECK: llihf %r2, 65537
185; CHECK-NEXT: br %r14
186  ret i64 281479271677952
187}
188
189; Check the highest end of the LLIHH range.
190define i64 @f23() {
191; CHECK-LABEL: f23:
192; CHECK: llihh %r2, 65535
193; CHECK-NEXT: br %r14
194  ret i64 -281474976710656
195}
196
197; Check the next value up, which must use OILL too.
198define i64 @f24() {
199; CHECK-LABEL: f24:
200; CHECK: llihh %r2, 65535
201; CHECK-NEXT: oill %r2, 1
202; CHECK-NEXT: br %r14
203  ret i64 -281474976710655
204}
205
206; Check the high end of the LLIHF range.
207define i64 @f25() {
208; CHECK-LABEL: f25:
209; CHECK: llihf %r2, 4294967295
210; CHECK-NEXT: br %r14
211  ret i64 -4294967296
212}
213
214; Check -1.
215define i64 @f26() {
216; CHECK-LABEL: f26:
217; CHECK: lghi %r2, -1
218; CHECK-NEXT: br %r14
219  ret i64 -1
220}
221
222; Check the low end of the LGHI range.
223define i64 @f27() {
224; CHECK-LABEL: f27:
225; CHECK: lghi %r2, -32768
226; CHECK-NEXT: br %r14
227  ret i64 -32768
228}
229
230; Check the next value down, which must use LGFI instead.
231define i64 @f28() {
232; CHECK-LABEL: f28:
233; CHECK: lgfi %r2, -32769
234; CHECK-NEXT: br %r14
235  ret i64 -32769
236}
237
238; Check the low end of the LGFI range.
239define i64 @f29() {
240; CHECK-LABEL: f29:
241; CHECK: lgfi %r2, -2147483648
242; CHECK-NEXT: br %r14
243  ret i64 -2147483648
244}
245
246; Check the next value down, which needs a two-instruction sequence.
247define i64 @f30() {
248; CHECK-LABEL: f30:
249; CHECK: llihf %r2, 4294967295
250; CHECK-NEXT: oilf %r2, 2147483647
251; CHECK-NEXT: br %r14
252  ret i64 -2147483649
253}
254
255; Check that constant loads are rematerialized.
256define i64 @f31() {
257; CHECK-LABEL: f31:
258; CHECK-DAG: lghi %r2, 42
259; CHECK-DAG: lgfi %r3, 65537
260; CHECK-DAG: llilf %r4, 2147483649
261; CHECK-DAG: llihf %r5, 65537
262; CHECK: brasl %r14, foo@PLT
263; CHECK-DAG: llill %r2, 32768
264; CHECK-DAG: llilh %r3, 1
265; CHECK-DAG: llihl %r4, 1
266; CHECK-DAG: llihh %r5, 1
267; CHECK: brasl %r14, foo@PLT
268; CHECK-DAG: lghi %r2, 42
269; CHECK-DAG: lgfi %r3, 65537
270; CHECK-DAG: llilf %r4, 2147483649
271; CHECK-DAG: llihf %r5, 65537
272; CHECK: brasl %r14, foo@PLT
273; CHECK-DAG: llill %r2, 32768
274; CHECK-DAG: llilh %r3, 1
275; CHECK-DAG: llihl %r4, 1
276; CHECK-DAG: llihh %r5, 1
277; CHECK: brasl %r14, foo@PLT
278; CHECK: lghi %r2, 42
279; CHECK: br %r14
280  call void @foo(i64 42, i64 65537, i64 2147483649, i64 281479271677952)
281  call void @foo(i64 32768, i64 65536, i64 4294967296, i64 281474976710656)
282  call void @foo(i64 42, i64 65537, i64 2147483649, i64 281479271677952)
283  call void @foo(i64 32768, i64 65536, i64 4294967296, i64 281474976710656)
284  ret i64 42
285}
286