1; RUN: llc < %s -asm-verbose=false | FileCheck %s
2
3; Test that basic 32-bit floating-point operations assemble as expected.
4
5target datalayout = "e-p:32:32-i64:64-n32:64-S128"
6target triple = "wasm32-unknown-unknown"
7
8declare float @llvm.fabs.f32(float)
9declare float @llvm.copysign.f32(float, float)
10declare float @llvm.sqrt.f32(float)
11declare float @llvm.ceil.f32(float)
12declare float @llvm.floor.f32(float)
13declare float @llvm.trunc.f32(float)
14declare float @llvm.nearbyint.f32(float)
15declare float @llvm.rint.f32(float)
16
17; CHECK-LABEL: fadd32:
18; CHECK-NEXT: .param f32{{$}}
19; CHECK-NEXT: .param f32{{$}}
20; CHECK-NEXT: .result f32{{$}}
21; CHECK-NEXT: .local f32, f32, f32{{$}}
22; CHECK-NEXT: get_local push, 1{{$}}
23; CHECK-NEXT: set_local 2, pop{{$}}
24; CHECK-NEXT: get_local push, 0{{$}}
25; CHECK-NEXT: set_local 3, pop{{$}}
26; CHECK-NEXT: f32.add push, (get_local 3), (get_local 2){{$}}
27; CHECK-NEXT: set_local 4, pop{{$}}
28; CHECK-NEXT: return (get_local 4){{$}}
29define float @fadd32(float %x, float %y) {
30  %a = fadd float %x, %y
31  ret float %a
32}
33
34; CHECK-LABEL: fsub32:
35; CHECK: f32.sub push, (get_local 3), (get_local 2){{$}}
36; CHECK-NEXT: set_local 4, pop{{$}}
37define float @fsub32(float %x, float %y) {
38  %a = fsub float %x, %y
39  ret float %a
40}
41
42; CHECK-LABEL: fmul32:
43; CHECK: f32.mul push, (get_local 3), (get_local 2){{$}}
44; CHECK-NEXT: set_local 4, pop{{$}}
45define float @fmul32(float %x, float %y) {
46  %a = fmul float %x, %y
47  ret float %a
48}
49
50; CHECK-LABEL: fdiv32:
51; CHECK: f32.div push, (get_local 3), (get_local 2){{$}}
52; CHECK-NEXT: set_local 4, pop{{$}}
53define float @fdiv32(float %x, float %y) {
54  %a = fdiv float %x, %y
55  ret float %a
56}
57
58; CHECK-LABEL: fabs32:
59; CHECK: f32.abs push, (get_local 1){{$}}
60; CHECK-NEXT: set_local 2, pop{{$}}
61define float @fabs32(float %x) {
62  %a = call float @llvm.fabs.f32(float %x)
63  ret float %a
64}
65
66; CHECK-LABEL: fneg32:
67; CHECK: f32.neg push, (get_local 1){{$}}
68; CHECK-NEXT: set_local 2, pop{{$}}
69define float @fneg32(float %x) {
70  %a = fsub float -0., %x
71  ret float %a
72}
73
74; CHECK-LABEL: copysign32:
75; CHECK: f32.copysign push, (get_local 3), (get_local 2){{$}}
76; CHECK-NEXT: set_local 4, pop{{$}}
77define float @copysign32(float %x, float %y) {
78  %a = call float @llvm.copysign.f32(float %x, float %y)
79  ret float %a
80}
81
82; CHECK-LABEL: sqrt32:
83; CHECK: f32.sqrt push, (get_local 1){{$}}
84; CHECK-NEXT: set_local 2, pop{{$}}
85define float @sqrt32(float %x) {
86  %a = call float @llvm.sqrt.f32(float %x)
87  ret float %a
88}
89
90; CHECK-LABEL: ceil32:
91; CHECK: f32.ceil push, (get_local 1){{$}}
92; CHECK-NEXT: set_local 2, pop{{$}}
93define float @ceil32(float %x) {
94  %a = call float @llvm.ceil.f32(float %x)
95  ret float %a
96}
97
98; CHECK-LABEL: floor32:
99; CHECK: f32.floor push, (get_local 1){{$}}
100; CHECK-NEXT: set_local 2, pop{{$}}
101define float @floor32(float %x) {
102  %a = call float @llvm.floor.f32(float %x)
103  ret float %a
104}
105
106; CHECK-LABEL: trunc32:
107; CHECK: f32.trunc push, (get_local 1){{$}}
108; CHECK-NEXT: set_local 2, pop{{$}}
109define float @trunc32(float %x) {
110  %a = call float @llvm.trunc.f32(float %x)
111  ret float %a
112}
113
114; CHECK-LABEL: nearest32:
115; CHECK: f32.nearest push, (get_local 1){{$}}
116; CHECK-NEXT: set_local 2, pop{{$}}
117define float @nearest32(float %x) {
118  %a = call float @llvm.nearbyint.f32(float %x)
119  ret float %a
120}
121
122; CHECK-LABEL: nearest32_via_rint:
123; CHECK: f32.nearest push, (get_local 1){{$}}
124; CHECK-NEXT: set_local 2, pop{{$}}
125define float @nearest32_via_rint(float %x) {
126  %a = call float @llvm.rint.f32(float %x)
127  ret float %a
128}
129
130; Min and max tests. LLVM currently only forms fminnan and fmaxnan nodes in
131; cases where there's a single fcmp with a select and it can prove that one
132; of the arms is never NaN, so we only test that case. In the future if LLVM
133; learns to form fminnan/fmaxnan in more cases, we can write more general
134; tests.
135
136; CHECK-LABEL: fmin32:
137; CHECK: f32.min push, (get_local 1), (get_local 2){{$}}
138; CHECK-NEXT: set_local 3, pop{{$}}
139define float @fmin32(float %x) {
140  %a = fcmp ult float %x, 0.0
141  %b = select i1 %a, float %x, float 0.0
142  ret float %b
143}
144
145; CHECK-LABEL: fmax32:
146; CHECK: f32.max push, (get_local 1), (get_local 2){{$}}
147; CHECK-NEXT: set_local 3, pop{{$}}
148define float @fmax32(float %x) {
149  %a = fcmp ugt float %x, 0.0
150  %b = select i1 %a, float %x, float 0.0
151  ret float %b
152}
153