1; Test 64-bit floating-point loads.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5; Test the low end of the LD range.
6define double @f1(double *%src) {
7; CHECK-LABEL: f1:
8; CHECK: ld %f0, 0(%r2)
9; CHECK: br %r14
10  %val = load double *%src
11  ret double %val
12}
13
14; Test the high end of the LD range.
15define double @f2(double *%src) {
16; CHECK-LABEL: f2:
17; CHECK: ld %f0, 4088(%r2)
18; CHECK: br %r14
19  %ptr = getelementptr double *%src, i64 511
20  %val = load double *%ptr
21  ret double %val
22}
23
24; Check the next doubleword up, which should use LDY instead of LD.
25define double @f3(double *%src) {
26; CHECK-LABEL: f3:
27; CHECK: ldy %f0, 4096(%r2)
28; CHECK: br %r14
29  %ptr = getelementptr double *%src, i64 512
30  %val = load double *%ptr
31  ret double %val
32}
33
34; Check the high end of the aligned LDY range.
35define double @f4(double *%src) {
36; CHECK-LABEL: f4:
37; CHECK: ldy %f0, 524280(%r2)
38; CHECK: br %r14
39  %ptr = getelementptr double *%src, i64 65535
40  %val = load double *%ptr
41  ret double %val
42}
43
44; Check the next doubleword up, which needs separate address logic.
45; Other sequences besides this one would be OK.
46define double @f5(double *%src) {
47; CHECK-LABEL: f5:
48; CHECK: agfi %r2, 524288
49; CHECK: ld %f0, 0(%r2)
50; CHECK: br %r14
51  %ptr = getelementptr double *%src, i64 65536
52  %val = load double *%ptr
53  ret double %val
54}
55
56; Check the high end of the negative aligned LDY range.
57define double @f6(double *%src) {
58; CHECK-LABEL: f6:
59; CHECK: ldy %f0, -8(%r2)
60; CHECK: br %r14
61  %ptr = getelementptr double *%src, i64 -1
62  %val = load double *%ptr
63  ret double %val
64}
65
66; Check the low end of the LDY range.
67define double @f7(double *%src) {
68; CHECK-LABEL: f7:
69; CHECK: ldy %f0, -524288(%r2)
70; CHECK: br %r14
71  %ptr = getelementptr double *%src, i64 -65536
72  %val = load double *%ptr
73  ret double %val
74}
75
76; Check the next doubleword down, which needs separate address logic.
77; Other sequences besides this one would be OK.
78define double @f8(double *%src) {
79; CHECK-LABEL: f8:
80; CHECK: agfi %r2, -524296
81; CHECK: ld %f0, 0(%r2)
82; CHECK: br %r14
83  %ptr = getelementptr double *%src, i64 -65537
84  %val = load double *%ptr
85  ret double %val
86}
87
88; Check that LD allows an index.
89define double @f9(i64 %src, i64 %index) {
90; CHECK-LABEL: f9:
91; CHECK: ld %f0, 4095({{%r3,%r2|%r2,%r3}})
92; CHECK: br %r14
93  %add1 = add i64 %src, %index
94  %add2 = add i64 %add1, 4095
95  %ptr = inttoptr i64 %add2 to double *
96  %val = load double *%ptr
97  ret double %val
98}
99
100; Check that LDY allows an index.
101define double @f10(i64 %src, i64 %index) {
102; CHECK-LABEL: f10:
103; CHECK: ldy %f0, 4096({{%r3,%r2|%r2,%r3}})
104; CHECK: br %r14
105  %add1 = add i64 %src, %index
106  %add2 = add i64 %add1, 4096
107  %ptr = inttoptr i64 %add2 to double *
108  %val = load double *%ptr
109  ret double %val
110}
111