aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/WebAssembly/select.ll
blob: ef18d9183e50dc32daa22cc8ef22537b171f971b (plain) (blame)
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 < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefixes CHECK,SLOW
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -fast-isel -fast-isel-abort=1 | FileCheck %s

; Test that wasm select instruction is selected from LLVM select instruction.

target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"

; CHECK-LABEL: select_i32_bool:
; CHECK-NEXT: .functype select_i32_bool (i32, i32, i32) -> (i32){{$}}
; CHECK-NEXT: i32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define i32 @select_i32_bool(i1 zeroext %a, i32 %b, i32 %c) {
  %cond = select i1 %a, i32 %b, i32 %c
  ret i32 %cond
}

; CHECK-LABEL: select_i32_bool_nozext:
; CHECK-NEXT: .functype select_i32_bool_nozext (i32, i32, i32) -> (i32){{$}}
; SLOW-NEXT: i32.const  $push0=, 1{{$}}
; SLOW-NEXT: i32.and    $push1=, $0, $pop0{{$}}
; SLOW-NEXT: i32.select $push2=, $1, $2, $pop1{{$}}
; SLOW-NEXT: return     $pop2{{$}}
define i32 @select_i32_bool_nozext(i1 %a, i32 %b, i32 %c) {
  %cond = select i1 %a, i32 %b, i32 %c
  ret i32 %cond
}

; CHECK-LABEL: select_i32_eq:
; CHECK-NEXT: .functype select_i32_eq (i32, i32, i32) -> (i32){{$}}
; CHECK-NEXT: i32.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define i32 @select_i32_eq(i32 %a, i32 %b, i32 %c) {
  %cmp = icmp eq i32 %a, 0
  %cond = select i1 %cmp, i32 %b, i32 %c
  ret i32 %cond
}

; CHECK-LABEL: select_i32_ne:
; CHECK-NEXT: .functype select_i32_ne (i32, i32, i32) -> (i32){{$}}
; CHECK-NEXT: i32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define i32 @select_i32_ne(i32 %a, i32 %b, i32 %c) {
  %cmp = icmp ne i32 %a, 0
  %cond = select i1 %cmp, i32 %b, i32 %c
  ret i32 %cond
}

; CHECK-LABEL: select_i64_bool:
; CHECK-NEXT: .functype select_i64_bool (i32, i64, i64) -> (i64){{$}}
; CHECK-NEXT: i64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define i64 @select_i64_bool(i1 zeroext %a, i64 %b, i64 %c) {
  %cond = select i1 %a, i64 %b, i64 %c
  ret i64 %cond
}

; CHECK-LABEL: select_i64_bool_nozext:
; CHECK-NEXT: .functype select_i64_bool_nozext (i32, i64, i64) -> (i64){{$}}
; SLOW-NEXT: i32.const  $push0=, 1{{$}}
; SLOW-NEXT: i32.and    $push1=, $0, $pop0{{$}}
; SLOW-NEXT: i64.select $push2=, $1, $2, $pop1{{$}}
; SLOW-NEXT: return     $pop2{{$}}
define i64 @select_i64_bool_nozext(i1 %a, i64 %b, i64 %c) {
  %cond = select i1 %a, i64 %b, i64 %c
  ret i64 %cond
}

; CHECK-LABEL: select_i64_eq:
; CHECK-NEXT: .functype select_i64_eq (i32, i64, i64) -> (i64){{$}}
; CHECK-NEXT: i64.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define i64 @select_i64_eq(i32 %a, i64 %b, i64 %c) {
  %cmp = icmp eq i32 %a, 0
  %cond = select i1 %cmp, i64 %b, i64 %c
  ret i64 %cond
}

; CHECK-LABEL: select_i64_ne:
; CHECK-NEXT: .functype select_i64_ne (i32, i64, i64) -> (i64){{$}}
; CHECK-NEXT: i64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define i64 @select_i64_ne(i32 %a, i64 %b, i64 %c) {
  %cmp = icmp ne i32 %a, 0
  %cond = select i1 %cmp, i64 %b, i64 %c
  ret i64 %cond
}

; CHECK-LABEL: select_f32_bool:
; CHECK-NEXT: .functype select_f32_bool (i32, f32, f32) -> (f32){{$}}
; CHECK-NEXT: f32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define float @select_f32_bool(i1 zeroext %a, float %b, float %c) {
  %cond = select i1 %a, float %b, float %c
  ret float %cond
}

; CHECK-LABEL: select_f32_bool_nozext:
; CHECK-NEXT: .functype select_f32_bool_nozext (i32, f32, f32) -> (f32){{$}}
; SLOW-NEXT: f32.select $push0=, $1, $2, $0{{$}}
; SLOW-NEXT: return     $pop0{{$}}
define float @select_f32_bool_nozext(i1 %a, float %b, float %c) {
  %cond = select i1 %a, float %b, float %c
  ret float %cond
}

; CHECK-LABEL: select_f32_eq:
; CHECK-NEXT: .functype select_f32_eq (i32, f32, f32) -> (f32){{$}}
; CHECK-NEXT: f32.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define float @select_f32_eq(i32 %a, float %b, float %c) {
  %cmp = icmp eq i32 %a, 0
  %cond = select i1 %cmp, float %b, float %c
  ret float %cond
}

; CHECK-LABEL: select_f32_ne:
; CHECK-NEXT: .functype select_f32_ne (i32, f32, f32) -> (f32){{$}}
; CHECK-NEXT: f32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define float @select_f32_ne(i32 %a, float %b, float %c) {
  %cmp = icmp ne i32 %a, 0
  %cond = select i1 %cmp, float %b, float %c
  ret float %cond
}

; CHECK-LABEL: select_f64_bool:
; CHECK-NEXT: .functype select_f64_bool (i32, f64, f64) -> (f64){{$}}
; CHECK-NEXT: f64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define double @select_f64_bool(i1 zeroext %a, double %b, double %c) {
  %cond = select i1 %a, double %b, double %c
  ret double %cond
}

; CHECK-LABEL: select_f64_bool_nozext:
; CHECK-NEXT: .functype select_f64_bool_nozext (i32, f64, f64) -> (f64){{$}}
; SLOW-NEXT: f64.select $push0=, $1, $2, $0{{$}}
; SLOW-NEXT: return     $pop0{{$}}
define double @select_f64_bool_nozext(i1 %a, double %b, double %c) {
  %cond = select i1 %a, double %b, double %c
  ret double %cond
}

; CHECK-LABEL: select_f64_eq:
; CHECK-NEXT: .functype select_f64_eq (i32, f64, f64) -> (f64){{$}}
; CHECK-NEXT: f64.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define double @select_f64_eq(i32 %a, double %b, double %c) {
  %cmp = icmp eq i32 %a, 0
  %cond = select i1 %cmp, double %b, double %c
  ret double %cond
}

; CHECK-LABEL: select_f64_ne:
; CHECK-NEXT: .functype select_f64_ne (i32, f64, f64) -> (f64){{$}}
; CHECK-NEXT: f64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return     $pop0{{$}}
define double @select_f64_ne(i32 %a, double %b, double %c) {
  %cmp = icmp ne i32 %a, 0
  %cond = select i1 %cmp, double %b, double %c
  ret double %cond
}

; CHECK-LABEL: pr40805:
; CHECK-NEXT: .functype pr40805 (i32, i32, i32) -> (i32){{$}}
; SLOW-NEXT: i32.const  $push0=, 1{{$}}
; SLOW-NEXT: i32.and    $push1=, $0, $pop0{{$}}
; SLOW-NEXT: i32.select $push2=, $1, $2, $pop1{{$}}
; SLOW-NEXT: return     $pop2{{$}}
define i32 @pr40805(i32 %x, i32 %y, i32 %z) {
  %a = and i32 %x, 1
  %b = icmp ne i32 %a, 0
  %c = select i1 %b, i32 %y, i32 %z
  ret i32 %c
}