fcvt-int.ll
4.2 KB
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
; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
define i32 @test_floattoi32(float %in) {
; CHECK-LABEL: test_floattoi32:
%signed = fptosi float %in to i32
%unsigned = fptoui float %in to i32
; CHECK-DAG: fcvtzu [[UNSIG:w[0-9]+]], {{s[0-9]+}}
; CHECK-DAG: fcvtzs [[SIG:w[0-9]+]], {{s[0-9]+}}
%res = sub i32 %signed, %unsigned
; CHECK: sub {{w[0-9]+}}, [[SIG]], [[UNSIG]]
ret i32 %res
; CHECK: ret
}
define i32 @test_doubletoi32(double %in) {
; CHECK-LABEL: test_doubletoi32:
%signed = fptosi double %in to i32
%unsigned = fptoui double %in to i32
; CHECK-DAG: fcvtzu [[UNSIG:w[0-9]+]], {{d[0-9]+}}
; CHECK-DAG: fcvtzs [[SIG:w[0-9]+]], {{d[0-9]+}}
%res = sub i32 %signed, %unsigned
; CHECK: sub {{w[0-9]+}}, [[SIG]], [[UNSIG]]
ret i32 %res
; CHECK: ret
}
define i64 @test_floattoi64(float %in) {
; CHECK-LABEL: test_floattoi64:
%signed = fptosi float %in to i64
%unsigned = fptoui float %in to i64
; CHECK-DAG: fcvtzu [[UNSIG:x[0-9]+]], {{s[0-9]+}}
; CHECK-DAG: fcvtzs [[SIG:x[0-9]+]], {{s[0-9]+}}
%res = sub i64 %signed, %unsigned
; CHECK: sub {{x[0-9]+}}, [[SIG]], [[UNSIG]]
ret i64 %res
; CHECK: ret
}
define i64 @test_doubletoi64(double %in) {
; CHECK-LABEL: test_doubletoi64:
%signed = fptosi double %in to i64
%unsigned = fptoui double %in to i64
; CHECK-DAG: fcvtzu [[UNSIG:x[0-9]+]], {{d[0-9]+}}
; CHECK-DAG: fcvtzs [[SIG:x[0-9]+]], {{d[0-9]+}}
%res = sub i64 %signed, %unsigned
; CHECK: sub {{x[0-9]+}}, [[SIG]], [[UNSIG]]
ret i64 %res
; CHECK: ret
}
define float @test_i32tofloat(i32 %in) {
; CHECK-LABEL: test_i32tofloat:
%signed = sitofp i32 %in to float
%unsigned = uitofp i32 %in to float
; CHECK-DAG: ucvtf [[UNSIG:s[0-9]+]], {{w[0-9]+}}
; CHECK-DAG: scvtf [[SIG:s[0-9]+]], {{w[0-9]+}}
%res = fsub float %signed, %unsigned
; CHECK: fsub {{s[0-9]+}}, [[SIG]], [[UNSIG]]
ret float %res
; CHECK: ret
}
define double @test_i32todouble(i32 %in) {
; CHECK-LABEL: test_i32todouble:
%signed = sitofp i32 %in to double
%unsigned = uitofp i32 %in to double
; CHECK-DAG: ucvtf [[UNSIG:d[0-9]+]], {{w[0-9]+}}
; CHECK-DAG: scvtf [[SIG:d[0-9]+]], {{w[0-9]+}}
%res = fsub double %signed, %unsigned
; CHECK: fsub {{d[0-9]+}}, [[SIG]], [[UNSIG]]
ret double %res
; CHECK: ret
}
define float @test_i64tofloat(i64 %in) {
; CHECK-LABEL: test_i64tofloat:
%signed = sitofp i64 %in to float
%unsigned = uitofp i64 %in to float
; CHECK-DAG: ucvtf [[UNSIG:s[0-9]+]], {{x[0-9]+}}
; CHECK-DAG: scvtf [[SIG:s[0-9]+]], {{x[0-9]+}}
%res = fsub float %signed, %unsigned
; CHECK: fsub {{s[0-9]+}}, [[SIG]], [[UNSIG]]
ret float %res
; CHECK: ret
}
define double @test_i64todouble(i64 %in) {
; CHECK-LABEL: test_i64todouble:
%signed = sitofp i64 %in to double
%unsigned = uitofp i64 %in to double
; CHECK-DAG: ucvtf [[UNSIG:d[0-9]+]], {{x[0-9]+}}
; CHECK-DAG: scvtf [[SIG:d[0-9]+]], {{x[0-9]+}}
%res = fsub double %signed, %unsigned
; CHECK: sub {{d[0-9]+}}, [[SIG]], [[UNSIG]]
ret double %res
; CHECK: ret
}
define i32 @test_bitcastfloattoi32(float %in) {
; CHECK-LABEL: test_bitcastfloattoi32:
%res = bitcast float %in to i32
; CHECK: fmov {{w[0-9]+}}, {{s[0-9]+}}
ret i32 %res
}
define i64 @test_bitcastdoubletoi64(double %in) {
; CHECK-LABEL: test_bitcastdoubletoi64:
%res = bitcast double %in to i64
; CHECK: fmov {{x[0-9]+}}, {{d[0-9]+}}
ret i64 %res
}
define float @test_bitcasti32tofloat(i32 %in) {
; CHECK-LABEL: test_bitcasti32tofloat:
%res = bitcast i32 %in to float
; CHECK: fmov {{s[0-9]+}}, {{w[0-9]+}}
ret float %res
}
define double @test_bitcasti64todouble(i64 %in) {
; CHECK-LABEL: test_bitcasti64todouble:
%res = bitcast i64 %in to double
; CHECK: fmov {{d[0-9]+}}, {{x[0-9]+}}
ret double %res
}
define double @bitcast_fabs(double %x) {
; CHECK-LABEL: bitcast_fabs:
; CHECK: ; %bb.0:
; CHECK-NEXT: fabs d0, d0
; CHECK-NEXT: ret
;
%bc1 = bitcast double %x to i64
%and = and i64 %bc1, 9223372036854775807
%bc2 = bitcast i64 %and to double
ret double %bc2
}
define float @bitcast_fneg(float %x) {
; CHECK-LABEL: bitcast_fneg:
; CHECK: ; %bb.0:
; CHECK-NEXT: fneg s0, s0
; CHECK-NEXT: ret
;
%bc1 = bitcast float %x to i32
%xor = xor i32 %bc1, 2147483648
%bc2 = bitcast i32 %xor to float
ret float %bc2
}