1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
; Test the passing of scalar values in GPRs, FPRs in 64-bit calls on z/OS.
;
; RUN: llc < %s -mtriple=s390x-ibm-zos -mcpu=z10 | FileCheck %s
; CHECK-LABEL: call_char:
; CHECK: lghi 1, 8
define i8 @call_char(){
%retval = call i8 (i8) @pass_char(i8 8)
ret i8 %retval
}
; CHECK-LABEL: call_short:
; CHECK: lghi 1, 16
define i16 @call_short() {
entry:
%retval = call i16 (i16) @pass_short(i16 16)
ret i16 %retval
}
; CHECK-LABEL: call_int:
; CHECK: lghi 1, 32
; CHECK: lghi 2, 33
define i32 @call_int() {
entry:
%retval = call i32 (i32, i32) @pass_int(i32 32, i32 33)
ret i32 %retval
}
; CHECK-LABEL: call_long:
; CHECK: lghi 1, 64
; CHECK: lghi 2, 65
; CHECK: lghi 3, 66
define i64 @call_long() {
entry:
%retval = call i64 (i64, i64, i64) @pass_long(i64 64, i64 65, i64 66)
ret i64 %retval
}
; CHECK-LABEL: call_ptr:
; CHECK: lgr 1, 2
define i32 @call_ptr(i32* %p1, i32* %p2) {
entry:
%retval = call i32 (i32*) @pass_ptr(i32* %p2)
ret i32 %retval
}
; CHECK-LABEL: call_integrals:
; CHECK: lghi 1, 64
; CHECK: lghi 2, 32
; CHECK: lghi 3, 16
define i64 @call_integrals() {
entry:
%retval = call i64 (i64, i32, i16, i64) @pass_integrals0(i64 64, i32 32, i16 16, i64 128)
ret i64 %retval
}
; CHECK-LABEL: pass_char:
; CHECK: lgr 3, 1
define signext i8 @pass_char(i8 signext %arg) {
entry:
ret i8 %arg
}
; CHECK-LABEL: pass_short:
; CHECK: lgr 3, 1
define signext i16 @pass_short(i16 signext %arg) {
entry:
ret i16 %arg
}
; CHECK-LABEL: pass_int:
; CHECK: lgr 3, 2
define signext i32 @pass_int(i32 signext %arg0, i32 signext %arg1) {
entry:
ret i32 %arg1
}
; CHECK-LABEL: pass_long:
; CHECK: agr 1, 2
; CHECK: agr 3, 1
define signext i64 @pass_long(i64 signext %arg0, i64 signext %arg1, i64 signext %arg2) {
entry:
%N = add i64 %arg0, %arg1
%M = add i64 %N, %arg2
ret i64 %M
}
; CHECK-LABEL: pass_integrals0:
; CHECK: ag 2, 2328(4)
; CHECK-NEXT: lgr 3, 2
define signext i64 @pass_integrals0(i64 signext %arg0, i32 signext %arg1, i16 signext %arg2, i64 signext %arg3) {
entry:
%N = sext i32 %arg1 to i64
%M = add i64 %arg3, %N
ret i64 %M
}
; CHECK-LABEL: call_float:
; CHECK: le 0, 0({{[0-9]}})
define float @call_float() {
entry:
%ret = call float (float) @pass_float(float 0x400921FB60000000)
ret float %ret
}
; CHECK-LABEL: call_double:
; CHECK: larl [[GENREG:[0-9]+]], @{{CPI[0-9]+_[0-9]+}}
; CHECK-NEXT: ld 0, 0([[GENREG]])
define double @call_double() {
entry:
%ret = call double (double) @pass_double(double 3.141000e+00)
ret double %ret
}
; CHECK-LABEL: call_longdouble:
; CHECK: larl [[GENREG:[0-9]+]], @{{CPI[0-9]+_[0-9]+}}
; CHECK-NEXT: ld 0, 0([[GENREG]])
; CHECK-NEXT: ld 2, 8([[GENREG]])
define fp128 @call_longdouble() {
entry:
%ret = call fp128 (fp128) @pass_longdouble(fp128 0xLE0FC1518450562CD4000921FB5444261)
ret fp128 %ret
}
; CHECK-LABEL: call_floats0
; CHECK: larl [[GENREG:[0-9]+]], @{{CPI[0-9]+_[0-9]+}}
; CHECK-NEXT: ld 1, 0([[GENREG]])
; CHECK-NEXT: ld 3, 8([[GENREG]])
; CHECK: lxr 5, 0
; CHECK: lxr 0, 1
; CHECK: lxr 4, 5
define i64 @call_floats0(fp128 %arg0, double %arg1) {
entry:
%ret = call i64 (fp128, fp128, double) @pass_floats0(fp128 0xLE0FC1518450562CD4000921FB5444261, fp128 %arg0, double %arg1)
ret i64 %ret
}
; CHECK-LABEL: call_floats1
; CHECK: lxr 1, 0
; CHECK: ldr 0, 4
; CHECK: lxr 4, 1
define i64 @call_floats1(fp128 %arg0, double %arg1) {
entry:
%ret = call i64 (double, fp128) @pass_floats1(double %arg1, fp128 %arg0)
ret i64 %ret
}
; CHECK-LABEL: pass_float:
; CHECK: larl 1, @{{CPI[0-9]+_[0-9]+}}
; CHECK: aeb 0, 0(1)
define float @pass_float(float %arg) {
entry:
%X = fadd float %arg, 0x400821FB60000000
ret float %X
}
; CHECK-LABEL: pass_double:
; CHECK: larl 1, @{{CPI[0-9]+_[0-9]+}}
; CHECK: adb 0, 0(1)
define double @pass_double(double %arg) {
entry:
%X = fadd double %arg, 1.414213e+00
ret double %X
}
; CHECK-LABEL: pass_longdouble
; CHECK: larl 1, @{{CPI[0-9]+_[0-9]+}}
; CHECK: lxdb 1, 0(1)
; CHECK: axbr 0, 1
define fp128 @pass_longdouble(fp128 %arg) {
entry:
%X = fadd fp128 %arg, 0xL10000000000000004000921FB53C8D4F
ret fp128 %X
}
; CHECK-LABEL: pass_floats0
; CHECK: larl 1, @{{CPI[0-9]+_[0-9]+}}
; CHECK: axbr 0, 4
; CHECK: axbr 1, 0
; CHECK: cxbr 1, 5
define i64 @pass_floats0(fp128 %arg0, fp128 %arg1, double %arg2) {
%X = fadd fp128 %arg0, %arg1
%arg2_ext = fpext double %arg2 to fp128
%Y = fadd fp128 %X, %arg2_ext
%ret_bool = fcmp ueq fp128 %Y, 0xLE0FC1518450562CD4000921FB5444261
%ret = sext i1 %ret_bool to i64
ret i64 %ret
}
declare i64 @pass_floats1(double %arg0, fp128 %arg1)
declare i32 @pass_ptr(i32* %arg)
|
