1 ; Test extensions of f32 to f64.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check register extension.
6 define double @f1(float %val) {
8 ; CHECK: ldebr %f0, %f0
10 %res = fpext float %val to double
14 ; Check the low end of the LDEB range.
15 define double @f2(float *%ptr) {
17 ; CHECK: ldeb %f0, 0(%r2)
19 %val = load float *%ptr
20 %res = fpext float %val to double
24 ; Check the high end of the aligned LDEB range.
25 define double @f3(float *%base) {
27 ; CHECK: ldeb %f0, 4092(%r2)
29 %ptr = getelementptr float *%base, i64 1023
30 %val = load float *%ptr
31 %res = fpext float %val to double
35 ; Check the next word up, which needs separate address logic.
36 ; Other sequences besides this one would be OK.
37 define double @f4(float *%base) {
39 ; CHECK: aghi %r2, 4096
40 ; CHECK: ldeb %f0, 0(%r2)
42 %ptr = getelementptr float *%base, i64 1024
43 %val = load float *%ptr
44 %res = fpext float %val to double
48 ; Check negative displacements, which also need separate address logic.
49 define double @f5(float *%base) {
52 ; CHECK: ldeb %f0, 0(%r2)
54 %ptr = getelementptr float *%base, i64 -1
55 %val = load float *%ptr
56 %res = fpext float %val to double
60 ; Check that LDEB allows indices.
61 define double @f6(float *%base, i64 %index) {
63 ; CHECK: sllg %r1, %r3, 2
64 ; CHECK: ldeb %f0, 400(%r1,%r2)
66 %ptr1 = getelementptr float *%base, i64 %index
67 %ptr2 = getelementptr float *%ptr1, i64 100
68 %val = load float *%ptr2
69 %res = fpext float %val to double
73 ; Test a case where we spill the source of at least one LDEBR. We want
74 ; to use LDEB if possible.
75 define void @f7(double *%ptr1, float *%ptr2) {
77 ; CHECK: ldeb {{%f[0-9]+}}, 16{{[04]}}(%r15)
79 %val0 = load volatile float *%ptr2
80 %val1 = load volatile float *%ptr2
81 %val2 = load volatile float *%ptr2
82 %val3 = load volatile float *%ptr2
83 %val4 = load volatile float *%ptr2
84 %val5 = load volatile float *%ptr2
85 %val6 = load volatile float *%ptr2
86 %val7 = load volatile float *%ptr2
87 %val8 = load volatile float *%ptr2
88 %val9 = load volatile float *%ptr2
89 %val10 = load volatile float *%ptr2
90 %val11 = load volatile float *%ptr2
91 %val12 = load volatile float *%ptr2
92 %val13 = load volatile float *%ptr2
93 %val14 = load volatile float *%ptr2
94 %val15 = load volatile float *%ptr2
95 %val16 = load volatile float *%ptr2
97 %ext0 = fpext float %val0 to double
98 %ext1 = fpext float %val1 to double
99 %ext2 = fpext float %val2 to double
100 %ext3 = fpext float %val3 to double
101 %ext4 = fpext float %val4 to double
102 %ext5 = fpext float %val5 to double
103 %ext6 = fpext float %val6 to double
104 %ext7 = fpext float %val7 to double
105 %ext8 = fpext float %val8 to double
106 %ext9 = fpext float %val9 to double
107 %ext10 = fpext float %val10 to double
108 %ext11 = fpext float %val11 to double
109 %ext12 = fpext float %val12 to double
110 %ext13 = fpext float %val13 to double
111 %ext14 = fpext float %val14 to double
112 %ext15 = fpext float %val15 to double
113 %ext16 = fpext float %val16 to double
115 store volatile float %val0, float *%ptr2
116 store volatile float %val1, float *%ptr2
117 store volatile float %val2, float *%ptr2
118 store volatile float %val3, float *%ptr2
119 store volatile float %val4, float *%ptr2
120 store volatile float %val5, float *%ptr2
121 store volatile float %val6, float *%ptr2
122 store volatile float %val7, float *%ptr2
123 store volatile float %val8, float *%ptr2
124 store volatile float %val9, float *%ptr2
125 store volatile float %val10, float *%ptr2
126 store volatile float %val11, float *%ptr2
127 store volatile float %val12, float *%ptr2
128 store volatile float %val13, float *%ptr2
129 store volatile float %val14, float *%ptr2
130 store volatile float %val15, float *%ptr2
131 store volatile float %val16, float *%ptr2
133 store volatile double %ext0, double *%ptr1
134 store volatile double %ext1, double *%ptr1
135 store volatile double %ext2, double *%ptr1
136 store volatile double %ext3, double *%ptr1
137 store volatile double %ext4, double *%ptr1
138 store volatile double %ext5, double *%ptr1
139 store volatile double %ext6, double *%ptr1
140 store volatile double %ext7, double *%ptr1
141 store volatile double %ext8, double *%ptr1
142 store volatile double %ext9, double *%ptr1
143 store volatile double %ext10, double *%ptr1
144 store volatile double %ext11, double *%ptr1
145 store volatile double %ext12, double *%ptr1
146 store volatile double %ext13, double *%ptr1
147 store volatile double %ext14, double *%ptr1
148 store volatile double %ext15, double *%ptr1
149 store volatile double %ext16, double *%ptr1