1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefixes CHECK,SLOW
2; 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
3
4; Test that wasm select instruction is selected from LLVM select instruction.
5
6target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
7target triple = "wasm32-unknown-unknown"
8
9; CHECK-LABEL: select_i32_bool:
10; CHECK-NEXT: .functype select_i32_bool (i32, i32, i32) -> (i32){{$}}
11; CHECK-NEXT: i32.select $push0=, $1, $2, $0{{$}}
12; CHECK-NEXT: return     $pop0{{$}}
13define i32 @select_i32_bool(i1 zeroext %a, i32 %b, i32 %c) {
14  %cond = select i1 %a, i32 %b, i32 %c
15  ret i32 %cond
16}
17
18; CHECK-LABEL: select_i32_bool_nozext:
19; CHECK-NEXT: .functype select_i32_bool_nozext (i32, i32, i32) -> (i32){{$}}
20; SLOW-NEXT: i32.const  $push0=, 1{{$}}
21; SLOW-NEXT: i32.and    $push1=, $0, $pop0{{$}}
22; SLOW-NEXT: i32.select $push2=, $1, $2, $pop1{{$}}
23; SLOW-NEXT: return     $pop2{{$}}
24define i32 @select_i32_bool_nozext(i1 %a, i32 %b, i32 %c) {
25  %cond = select i1 %a, i32 %b, i32 %c
26  ret i32 %cond
27}
28
29; CHECK-LABEL: select_i32_eq:
30; CHECK-NEXT: .functype select_i32_eq (i32, i32, i32) -> (i32){{$}}
31; CHECK-NEXT: i32.select $push0=, $2, $1, $0{{$}}
32; CHECK-NEXT: return     $pop0{{$}}
33define i32 @select_i32_eq(i32 %a, i32 %b, i32 %c) {
34  %cmp = icmp eq i32 %a, 0
35  %cond = select i1 %cmp, i32 %b, i32 %c
36  ret i32 %cond
37}
38
39; CHECK-LABEL: select_i32_ne:
40; CHECK-NEXT: .functype select_i32_ne (i32, i32, i32) -> (i32){{$}}
41; CHECK-NEXT: i32.select $push0=, $1, $2, $0{{$}}
42; CHECK-NEXT: return     $pop0{{$}}
43define i32 @select_i32_ne(i32 %a, i32 %b, i32 %c) {
44  %cmp = icmp ne i32 %a, 0
45  %cond = select i1 %cmp, i32 %b, i32 %c
46  ret i32 %cond
47}
48
49; CHECK-LABEL: select_i64_bool:
50; CHECK-NEXT: .functype select_i64_bool (i32, i64, i64) -> (i64){{$}}
51; CHECK-NEXT: i64.select $push0=, $1, $2, $0{{$}}
52; CHECK-NEXT: return     $pop0{{$}}
53define i64 @select_i64_bool(i1 zeroext %a, i64 %b, i64 %c) {
54  %cond = select i1 %a, i64 %b, i64 %c
55  ret i64 %cond
56}
57
58; CHECK-LABEL: select_i64_bool_nozext:
59; CHECK-NEXT: .functype select_i64_bool_nozext (i32, i64, i64) -> (i64){{$}}
60; SLOW-NEXT: i32.const  $push0=, 1{{$}}
61; SLOW-NEXT: i32.and    $push1=, $0, $pop0{{$}}
62; SLOW-NEXT: i64.select $push2=, $1, $2, $pop1{{$}}
63; SLOW-NEXT: return     $pop2{{$}}
64define i64 @select_i64_bool_nozext(i1 %a, i64 %b, i64 %c) {
65  %cond = select i1 %a, i64 %b, i64 %c
66  ret i64 %cond
67}
68
69; CHECK-LABEL: select_i64_eq:
70; CHECK-NEXT: .functype select_i64_eq (i32, i64, i64) -> (i64){{$}}
71; CHECK-NEXT: i64.select $push0=, $2, $1, $0{{$}}
72; CHECK-NEXT: return     $pop0{{$}}
73define i64 @select_i64_eq(i32 %a, i64 %b, i64 %c) {
74  %cmp = icmp eq i32 %a, 0
75  %cond = select i1 %cmp, i64 %b, i64 %c
76  ret i64 %cond
77}
78
79; CHECK-LABEL: select_i64_ne:
80; CHECK-NEXT: .functype select_i64_ne (i32, i64, i64) -> (i64){{$}}
81; CHECK-NEXT: i64.select $push0=, $1, $2, $0{{$}}
82; CHECK-NEXT: return     $pop0{{$}}
83define i64 @select_i64_ne(i32 %a, i64 %b, i64 %c) {
84  %cmp = icmp ne i32 %a, 0
85  %cond = select i1 %cmp, i64 %b, i64 %c
86  ret i64 %cond
87}
88
89; CHECK-LABEL: select_f32_bool:
90; CHECK-NEXT: .functype select_f32_bool (i32, f32, f32) -> (f32){{$}}
91; CHECK-NEXT: f32.select $push0=, $1, $2, $0{{$}}
92; CHECK-NEXT: return     $pop0{{$}}
93define float @select_f32_bool(i1 zeroext %a, float %b, float %c) {
94  %cond = select i1 %a, float %b, float %c
95  ret float %cond
96}
97
98; CHECK-LABEL: select_f32_bool_nozext:
99; CHECK-NEXT: .functype select_f32_bool_nozext (i32, f32, f32) -> (f32){{$}}
100; SLOW-NEXT: f32.select $push0=, $1, $2, $0{{$}}
101; SLOW-NEXT: return     $pop0{{$}}
102define float @select_f32_bool_nozext(i1 %a, float %b, float %c) {
103  %cond = select i1 %a, float %b, float %c
104  ret float %cond
105}
106
107; CHECK-LABEL: select_f32_eq:
108; CHECK-NEXT: .functype select_f32_eq (i32, f32, f32) -> (f32){{$}}
109; CHECK-NEXT: f32.select $push0=, $2, $1, $0{{$}}
110; CHECK-NEXT: return     $pop0{{$}}
111define float @select_f32_eq(i32 %a, float %b, float %c) {
112  %cmp = icmp eq i32 %a, 0
113  %cond = select i1 %cmp, float %b, float %c
114  ret float %cond
115}
116
117; CHECK-LABEL: select_f32_ne:
118; CHECK-NEXT: .functype select_f32_ne (i32, f32, f32) -> (f32){{$}}
119; CHECK-NEXT: f32.select $push0=, $1, $2, $0{{$}}
120; CHECK-NEXT: return     $pop0{{$}}
121define float @select_f32_ne(i32 %a, float %b, float %c) {
122  %cmp = icmp ne i32 %a, 0
123  %cond = select i1 %cmp, float %b, float %c
124  ret float %cond
125}
126
127; CHECK-LABEL: select_f64_bool:
128; CHECK-NEXT: .functype select_f64_bool (i32, f64, f64) -> (f64){{$}}
129; CHECK-NEXT: f64.select $push0=, $1, $2, $0{{$}}
130; CHECK-NEXT: return     $pop0{{$}}
131define double @select_f64_bool(i1 zeroext %a, double %b, double %c) {
132  %cond = select i1 %a, double %b, double %c
133  ret double %cond
134}
135
136; CHECK-LABEL: select_f64_bool_nozext:
137; CHECK-NEXT: .functype select_f64_bool_nozext (i32, f64, f64) -> (f64){{$}}
138; SLOW-NEXT: f64.select $push0=, $1, $2, $0{{$}}
139; SLOW-NEXT: return     $pop0{{$}}
140define double @select_f64_bool_nozext(i1 %a, double %b, double %c) {
141  %cond = select i1 %a, double %b, double %c
142  ret double %cond
143}
144
145; CHECK-LABEL: select_f64_eq:
146; CHECK-NEXT: .functype select_f64_eq (i32, f64, f64) -> (f64){{$}}
147; CHECK-NEXT: f64.select $push0=, $2, $1, $0{{$}}
148; CHECK-NEXT: return     $pop0{{$}}
149define double @select_f64_eq(i32 %a, double %b, double %c) {
150  %cmp = icmp eq i32 %a, 0
151  %cond = select i1 %cmp, double %b, double %c
152  ret double %cond
153}
154
155; CHECK-LABEL: select_f64_ne:
156; CHECK-NEXT: .functype select_f64_ne (i32, f64, f64) -> (f64){{$}}
157; CHECK-NEXT: f64.select $push0=, $1, $2, $0{{$}}
158; CHECK-NEXT: return     $pop0{{$}}
159define double @select_f64_ne(i32 %a, double %b, double %c) {
160  %cmp = icmp ne i32 %a, 0
161  %cond = select i1 %cmp, double %b, double %c
162  ret double %cond
163}
164
165; CHECK-LABEL: pr40805:
166; CHECK-NEXT: .functype pr40805 (i32, i32, i32) -> (i32){{$}}
167; SLOW-NEXT: i32.const  $push0=, 1{{$}}
168; SLOW-NEXT: i32.and    $push1=, $0, $pop0{{$}}
169; SLOW-NEXT: i32.select $push2=, $1, $2, $pop1{{$}}
170; SLOW-NEXT: return     $pop2{{$}}
171define i32 @pr40805(i32 %x, i32 %y, i32 %z) {
172  %a = and i32 %x, 1
173  %b = icmp ne i32 %a, 0
174  %c = select i1 %b, i32 %y, i32 %z
175  ret i32 %c
176}
177