1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s
2
3; Test that basic 32-bit integer operations assemble as expected.
4
5target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
6target triple = "wasm32-unknown-unknown"
7
8declare i32 @llvm.ctlz.i32(i32, i1)
9declare i32 @llvm.cttz.i32(i32, i1)
10declare i32 @llvm.ctpop.i32(i32)
11
12; CHECK-LABEL: add32:
13; CHECK-NEXT: .param i32, i32{{$}}
14; CHECK-NEXT: .result i32{{$}}
15; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
16; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
17; CHECK-NEXT: i32.add $push0=, $pop[[L0]], $pop[[L1]]{{$}}
18; CHECK-NEXT: return $pop0{{$}}
19define i32 @add32(i32 %x, i32 %y) {
20  %a = add i32 %x, %y
21  ret i32 %a
22}
23
24; CHECK-LABEL: sub32:
25; CHECK-NEXT: .param i32, i32{{$}}
26; CHECK-NEXT: .result i32{{$}}
27; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
28; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
29; CHECK-NEXT: i32.sub $push0=, $pop[[L0]], $pop[[L1]]{{$}}
30; CHECK-NEXT: return $pop0{{$}}
31define i32 @sub32(i32 %x, i32 %y) {
32  %a = sub i32 %x, %y
33  ret i32 %a
34}
35
36; CHECK-LABEL: mul32:
37; CHECK-NEXT: .param i32, i32{{$}}
38; CHECK-NEXT: .result i32{{$}}
39; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
40; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
41; CHECK-NEXT: i32.mul $push0=, $pop[[L0]], $pop[[L1]]{{$}}
42; CHECK-NEXT: return $pop0{{$}}
43define i32 @mul32(i32 %x, i32 %y) {
44  %a = mul i32 %x, %y
45  ret i32 %a
46}
47
48; CHECK-LABEL: sdiv32:
49; CHECK-NEXT: .param i32, i32{{$}}
50; CHECK-NEXT: .result i32{{$}}
51; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
52; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
53; CHECK-NEXT: i32.div_s $push0=, $pop[[L0]], $pop[[L1]]{{$}}
54; CHECK-NEXT: return $pop0{{$}}
55define i32 @sdiv32(i32 %x, i32 %y) {
56  %a = sdiv i32 %x, %y
57  ret i32 %a
58}
59
60; CHECK-LABEL: udiv32:
61; CHECK-NEXT: .param i32, i32{{$}}
62; CHECK-NEXT: .result i32{{$}}
63; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
64; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
65; CHECK-NEXT: i32.div_u $push0=, $pop[[L0]], $pop[[L1]]{{$}}
66; CHECK-NEXT: return $pop0{{$}}
67define i32 @udiv32(i32 %x, i32 %y) {
68  %a = udiv i32 %x, %y
69  ret i32 %a
70}
71
72; CHECK-LABEL: srem32:
73; CHECK-NEXT: .param i32, i32{{$}}
74; CHECK-NEXT: .result i32{{$}}
75; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
76; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
77; CHECK-NEXT: i32.rem_s $push0=, $pop[[L0]], $pop[[L1]]{{$}}
78; CHECK-NEXT: return $pop0{{$}}
79define i32 @srem32(i32 %x, i32 %y) {
80  %a = srem i32 %x, %y
81  ret i32 %a
82}
83
84; CHECK-LABEL: urem32:
85; CHECK-NEXT: .param i32, i32{{$}}
86; CHECK-NEXT: .result i32{{$}}
87; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
88; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
89; CHECK-NEXT: i32.rem_u $push0=, $pop[[L0]], $pop[[L1]]{{$}}
90; CHECK-NEXT: return $pop0{{$}}
91define i32 @urem32(i32 %x, i32 %y) {
92  %a = urem i32 %x, %y
93  ret i32 %a
94}
95
96; CHECK-LABEL: and32:
97; CHECK-NEXT: .param i32, i32{{$}}
98; CHECK-NEXT: .result i32{{$}}
99; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
100; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
101; CHECK-NEXT: i32.and $push0=, $pop[[L0]], $pop[[L1]]{{$}}
102; CHECK-NEXT: return $pop0{{$}}
103define i32 @and32(i32 %x, i32 %y) {
104  %a = and i32 %x, %y
105  ret i32 %a
106}
107
108; CHECK-LABEL: or32:
109; CHECK-NEXT: .param i32, i32{{$}}
110; CHECK-NEXT: .result i32{{$}}
111; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
112; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
113; CHECK-NEXT: i32.or $push0=, $pop[[L0]], $pop[[L1]]{{$}}
114; CHECK-NEXT: return $pop0{{$}}
115define i32 @or32(i32 %x, i32 %y) {
116  %a = or i32 %x, %y
117  ret i32 %a
118}
119
120; CHECK-LABEL: xor32:
121; CHECK-NEXT: .param i32, i32{{$}}
122; CHECK-NEXT: .result i32{{$}}
123; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
124; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
125; CHECK-NEXT: i32.xor $push0=, $pop[[L0]], $pop[[L1]]{{$}}
126; CHECK-NEXT: return $pop0{{$}}
127define i32 @xor32(i32 %x, i32 %y) {
128  %a = xor i32 %x, %y
129  ret i32 %a
130}
131
132; CHECK-LABEL: shl32:
133; CHECK-NEXT: .param i32, i32{{$}}
134; CHECK-NEXT: .result i32{{$}}
135; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
136; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
137; CHECK-NEXT: i32.shl $push0=, $pop[[L0]], $pop[[L1]]{{$}}
138; CHECK-NEXT: return $pop0{{$}}
139define i32 @shl32(i32 %x, i32 %y) {
140  %a = shl i32 %x, %y
141  ret i32 %a
142}
143
144; CHECK-LABEL: shr32:
145; CHECK-NEXT: .param i32, i32{{$}}
146; CHECK-NEXT: .result i32{{$}}
147; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
148; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
149; CHECK-NEXT: i32.shr_u $push0=, $pop[[L0]], $pop[[L1]]{{$}}
150; CHECK-NEXT: return $pop0{{$}}
151define i32 @shr32(i32 %x, i32 %y) {
152  %a = lshr i32 %x, %y
153  ret i32 %a
154}
155
156; CHECK-LABEL: sar32:
157; CHECK-NEXT: .param i32, i32{{$}}
158; CHECK-NEXT: .result i32{{$}}
159; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
160; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
161; CHECK-NEXT: i32.shr_s $push0=, $pop[[L0]], $pop[[L1]]{{$}}
162; CHECK-NEXT: return $pop0{{$}}
163define i32 @sar32(i32 %x, i32 %y) {
164  %a = ashr i32 %x, %y
165  ret i32 %a
166}
167
168; CHECK-LABEL: clz32:
169; CHECK-NEXT: .param i32{{$}}
170; CHECK-NEXT: .result i32{{$}}
171; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
172; CHECK-NEXT: i32.clz $push0=, $pop[[L0]]{{$}}
173; CHECK-NEXT: return $pop0{{$}}
174define i32 @clz32(i32 %x) {
175  %a = call i32 @llvm.ctlz.i32(i32 %x, i1 false)
176  ret i32 %a
177}
178
179; CHECK-LABEL: clz32_zero_undef:
180; CHECK-NEXT: .param i32{{$}}
181; CHECK-NEXT: .result i32{{$}}
182; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
183; CHECK-NEXT: i32.clz $push0=, $pop[[L0]]{{$}}
184; CHECK-NEXT: return $pop0{{$}}
185define i32 @clz32_zero_undef(i32 %x) {
186  %a = call i32 @llvm.ctlz.i32(i32 %x, i1 true)
187  ret i32 %a
188}
189
190; CHECK-LABEL: ctz32:
191; CHECK-NEXT: .param i32{{$}}
192; CHECK-NEXT: .result i32{{$}}
193; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
194; CHECK-NEXT: i32.ctz $push0=, $pop[[L0]]{{$}}
195; CHECK-NEXT: return $pop0{{$}}
196define i32 @ctz32(i32 %x) {
197  %a = call i32 @llvm.cttz.i32(i32 %x, i1 false)
198  ret i32 %a
199}
200
201; CHECK-LABEL: ctz32_zero_undef:
202; CHECK-NEXT: .param i32{{$}}
203; CHECK-NEXT: .result i32{{$}}
204; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
205; CHECK-NEXT: i32.ctz $push0=, $pop[[L0]]{{$}}
206; CHECK-NEXT: return $pop0{{$}}
207define i32 @ctz32_zero_undef(i32 %x) {
208  %a = call i32 @llvm.cttz.i32(i32 %x, i1 true)
209  ret i32 %a
210}
211
212; CHECK-LABEL: popcnt32:
213; CHECK-NEXT: .param i32{{$}}
214; CHECK-NEXT: .result i32{{$}}
215; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
216; CHECK-NEXT: i32.popcnt $push0=, $pop[[L0]]{{$}}
217; CHECK-NEXT: return $pop0{{$}}
218define i32 @popcnt32(i32 %x) {
219  %a = call i32 @llvm.ctpop.i32(i32 %x)
220  ret i32 %a
221}
222
223; CHECK-LABEL: eqz32:
224; CHECK-NEXT: .param i32{{$}}
225; CHECK-NEXT: .result i32{{$}}
226; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
227; CHECK-NEXT: i32.eqz $push0=, $pop[[L0]]{{$}}
228; CHECK-NEXT: return $pop0{{$}}
229define i32 @eqz32(i32 %x) {
230  %a = icmp eq i32 %x, 0
231  %b = zext i1 %a to i32
232  ret i32 %b
233}
234
235; CHECK-LABEL: rotl:
236; CHECK-NEXT: .param i32, i32{{$}}
237; CHECK-NEXT: .result i32{{$}}
238; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
239; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
240; CHECK-NEXT: i32.rotl $push0=, $pop[[L0]], $pop[[L1]]
241; CHECK-NEXT: return $pop0{{$}}
242define i32 @rotl(i32 %x, i32 %y) {
243  %z = sub i32 32, %y
244  %b = shl i32 %x, %y
245  %c = lshr i32 %x, %z
246  %d = or i32 %b, %c
247  ret i32 %d
248}
249
250; CHECK-LABEL: masked_rotl:
251; CHECK-NEXT: .param i32, i32{{$}}
252; CHECK-NEXT: .result i32{{$}}
253; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
254; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
255; CHECK-NEXT: i32.rotl $push0=, $pop[[L0]], $pop[[L1]]
256; CHECK-NEXT: return $pop0{{$}}
257define i32 @masked_rotl(i32 %x, i32 %y) {
258  %a = and i32 %y, 31
259  %z = sub i32 32, %a
260  %b = shl i32 %x, %a
261  %c = lshr i32 %x, %z
262  %d = or i32 %b, %c
263  ret i32 %d
264}
265
266; CHECK-LABEL: rotr:
267; CHECK-NEXT: .param i32, i32{{$}}
268; CHECK-NEXT: .result i32{{$}}
269; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
270; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
271; CHECK-NEXT: i32.rotr $push0=, $pop[[L0]], $pop[[L1]]
272; CHECK-NEXT: return $pop0{{$}}
273define i32 @rotr(i32 %x, i32 %y) {
274  %z = sub i32 32, %y
275  %b = lshr i32 %x, %y
276  %c = shl i32 %x, %z
277  %d = or i32 %b, %c
278  ret i32 %d
279}
280
281; CHECK-LABEL: masked_rotr:
282; CHECK-NEXT: .param i32, i32{{$}}
283; CHECK-NEXT: .result i32{{$}}
284; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
285; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
286; CHECK-NEXT: i32.rotr $push0=, $pop[[L0]], $pop[[L1]]
287; CHECK-NEXT: return $pop0{{$}}
288define i32 @masked_rotr(i32 %x, i32 %y) {
289  %a = and i32 %y, 31
290  %z = sub i32 32, %a
291  %b = lshr i32 %x, %a
292  %c = shl i32 %x, %z
293  %d = or i32 %b, %c
294  ret i32 %d
295}
296