source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/fcvt-int.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 3.7 KB
Line 
1; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
2
3define i32 @test_floattoi32(float %in) {
4; CHECK-LABEL: test_floattoi32:
5
6  %signed = fptosi float %in to i32
7  %unsigned = fptoui float %in to i32
8; CHECK-DAG: fcvtzu [[UNSIG:w[0-9]+]], {{s[0-9]+}}
9; CHECK-DAG: fcvtzs [[SIG:w[0-9]+]], {{s[0-9]+}}
10
11  %res = sub i32 %signed, %unsigned
12; CHECK: sub {{w[0-9]+}}, [[SIG]], [[UNSIG]]
13
14  ret i32 %res
15; CHECK: ret
16}
17
18define i32 @test_doubletoi32(double %in) {
19; CHECK-LABEL: test_doubletoi32:
20
21  %signed = fptosi double %in to i32
22  %unsigned = fptoui double %in to i32
23; CHECK-DAG: fcvtzu [[UNSIG:w[0-9]+]], {{d[0-9]+}}
24; CHECK-DAG: fcvtzs [[SIG:w[0-9]+]], {{d[0-9]+}}
25
26  %res = sub i32 %signed, %unsigned
27; CHECK: sub {{w[0-9]+}}, [[SIG]], [[UNSIG]]
28
29  ret i32 %res
30; CHECK: ret
31}
32
33define i64 @test_floattoi64(float %in) {
34; CHECK-LABEL: test_floattoi64:
35
36  %signed = fptosi float %in to i64
37  %unsigned = fptoui float %in to i64
38; CHECK-DAG: fcvtzu [[UNSIG:x[0-9]+]], {{s[0-9]+}}
39; CHECK-DAG: fcvtzs [[SIG:x[0-9]+]], {{s[0-9]+}}
40
41  %res = sub i64 %signed, %unsigned
42; CHECK: sub {{x[0-9]+}}, [[SIG]], [[UNSIG]]
43
44  ret i64 %res
45; CHECK: ret
46}
47
48define i64 @test_doubletoi64(double %in) {
49; CHECK-LABEL: test_doubletoi64:
50
51  %signed = fptosi double %in to i64
52  %unsigned = fptoui double %in to i64
53; CHECK-DAG: fcvtzu [[UNSIG:x[0-9]+]], {{d[0-9]+}}
54; CHECK-DAG: fcvtzs [[SIG:x[0-9]+]], {{d[0-9]+}}
55
56  %res = sub i64 %signed, %unsigned
57; CHECK: sub {{x[0-9]+}}, [[SIG]], [[UNSIG]]
58
59  ret i64 %res
60; CHECK: ret
61}
62
63define float @test_i32tofloat(i32 %in) {
64; CHECK-LABEL: test_i32tofloat:
65
66  %signed = sitofp i32 %in to float
67  %unsigned = uitofp i32 %in to float
68; CHECK-DAG: ucvtf [[UNSIG:s[0-9]+]], {{w[0-9]+}}
69; CHECK-DAG: scvtf [[SIG:s[0-9]+]], {{w[0-9]+}}
70
71  %res = fsub float %signed, %unsigned
72; CHECK: fsub {{s[0-9]+}}, [[SIG]], [[UNSIG]]
73  ret float %res
74; CHECK: ret
75}
76
77define double @test_i32todouble(i32 %in) {
78; CHECK-LABEL: test_i32todouble:
79
80  %signed = sitofp i32 %in to double
81  %unsigned = uitofp i32 %in to double
82; CHECK-DAG: ucvtf [[UNSIG:d[0-9]+]], {{w[0-9]+}}
83; CHECK-DAG: scvtf [[SIG:d[0-9]+]], {{w[0-9]+}}
84
85  %res = fsub double %signed, %unsigned
86; CHECK: fsub {{d[0-9]+}}, [[SIG]], [[UNSIG]]
87  ret double %res
88; CHECK: ret
89}
90
91define float @test_i64tofloat(i64 %in) {
92; CHECK-LABEL: test_i64tofloat:
93
94  %signed = sitofp i64 %in to float
95  %unsigned = uitofp i64 %in to float
96; CHECK-DAG: ucvtf [[UNSIG:s[0-9]+]], {{x[0-9]+}}
97; CHECK-DAG: scvtf [[SIG:s[0-9]+]], {{x[0-9]+}}
98
99  %res = fsub float %signed, %unsigned
100; CHECK: fsub {{s[0-9]+}}, [[SIG]], [[UNSIG]]
101  ret float %res
102; CHECK: ret
103}
104
105define double @test_i64todouble(i64 %in) {
106; CHECK-LABEL: test_i64todouble:
107
108  %signed = sitofp i64 %in to double
109  %unsigned = uitofp i64 %in to double
110; CHECK-DAG: ucvtf [[UNSIG:d[0-9]+]], {{x[0-9]+}}
111; CHECK-DAG: scvtf [[SIG:d[0-9]+]], {{x[0-9]+}}
112
113  %res = fsub double %signed, %unsigned
114; CHECK: sub {{d[0-9]+}}, [[SIG]], [[UNSIG]]
115  ret double %res
116; CHECK: ret
117}
118
119define i32 @test_bitcastfloattoi32(float %in) {
120; CHECK-LABEL: test_bitcastfloattoi32:
121
122   %res = bitcast float %in to i32
123; CHECK: fmov {{w[0-9]+}}, {{s[0-9]+}}
124   ret i32 %res
125}
126
127define i64 @test_bitcastdoubletoi64(double %in) {
128; CHECK-LABEL: test_bitcastdoubletoi64:
129
130   %res = bitcast double %in to i64
131; CHECK: fmov {{x[0-9]+}}, {{d[0-9]+}}
132   ret i64 %res
133}
134
135define float @test_bitcasti32tofloat(i32 %in) {
136; CHECK-LABEL: test_bitcasti32tofloat:
137
138   %res = bitcast i32 %in to float
139; CHECK: fmov {{s[0-9]+}}, {{w[0-9]+}}
140   ret float %res
141
142}
143
144define double @test_bitcasti64todouble(i64 %in) {
145; CHECK-LABEL: test_bitcasti64todouble:
146
147   %res = bitcast i64 %in to double
148; CHECK: fmov {{d[0-9]+}}, {{x[0-9]+}}
149   ret double %res
150
151}
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