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, f32{{$}}
19; CHECK-NEXT: .result f32{{$}}
20; CHECK-NEXT: f32.add $push0, $0, $1{{$}}
21; CHECK-NEXT: return $pop0{{$}}
22define float @fadd32(float %x, float %y) {
23  %a = fadd float %x, %y
24  ret float %a
25}
26
27; CHECK-LABEL: fsub32:
28; CHECK: f32.sub $push0, $0, $1{{$}}
29; CHECK-NEXT: return $pop0{{$}}
30define float @fsub32(float %x, float %y) {
31  %a = fsub float %x, %y
32  ret float %a
33}
34
35; CHECK-LABEL: fmul32:
36; CHECK: f32.mul $push0, $0, $1{{$}}
37; CHECK-NEXT: return $pop0{{$}}
38define float @fmul32(float %x, float %y) {
39  %a = fmul float %x, %y
40  ret float %a
41}
42
43; CHECK-LABEL: fdiv32:
44; CHECK: f32.div $push0, $0, $1{{$}}
45; CHECK-NEXT: return $pop0{{$}}
46define float @fdiv32(float %x, float %y) {
47  %a = fdiv float %x, %y
48  ret float %a
49}
50
51; CHECK-LABEL: fabs32:
52; CHECK: f32.abs $push0, $0{{$}}
53; CHECK-NEXT: return $pop0{{$}}
54define float @fabs32(float %x) {
55  %a = call float @llvm.fabs.f32(float %x)
56  ret float %a
57}
58
59; CHECK-LABEL: fneg32:
60; CHECK: f32.neg $push0, $0{{$}}
61; CHECK-NEXT: return $pop0{{$}}
62define float @fneg32(float %x) {
63  %a = fsub float -0., %x
64  ret float %a
65}
66
67; CHECK-LABEL: copysign32:
68; CHECK: f32.copysign $push0, $0, $1{{$}}
69; CHECK-NEXT: return $pop0{{$}}
70define float @copysign32(float %x, float %y) {
71  %a = call float @llvm.copysign.f32(float %x, float %y)
72  ret float %a
73}
74
75; CHECK-LABEL: sqrt32:
76; CHECK: f32.sqrt $push0, $0{{$}}
77; CHECK-NEXT: return $pop0{{$}}
78define float @sqrt32(float %x) {
79  %a = call float @llvm.sqrt.f32(float %x)
80  ret float %a
81}
82
83; CHECK-LABEL: ceil32:
84; CHECK: f32.ceil $push0, $0{{$}}
85; CHECK-NEXT: return $pop0{{$}}
86define float @ceil32(float %x) {
87  %a = call float @llvm.ceil.f32(float %x)
88  ret float %a
89}
90
91; CHECK-LABEL: floor32:
92; CHECK: f32.floor $push0, $0{{$}}
93; CHECK-NEXT: return $pop0{{$}}
94define float @floor32(float %x) {
95  %a = call float @llvm.floor.f32(float %x)
96  ret float %a
97}
98
99; CHECK-LABEL: trunc32:
100; CHECK: f32.trunc $push0, $0{{$}}
101; CHECK-NEXT: return $pop0{{$}}
102define float @trunc32(float %x) {
103  %a = call float @llvm.trunc.f32(float %x)
104  ret float %a
105}
106
107; CHECK-LABEL: nearest32:
108; CHECK: f32.nearest $push0, $0{{$}}
109; CHECK-NEXT: return $pop0{{$}}
110define float @nearest32(float %x) {
111  %a = call float @llvm.nearbyint.f32(float %x)
112  ret float %a
113}
114
115; CHECK-LABEL: nearest32_via_rint:
116; CHECK: f32.nearest $push0, $0{{$}}
117; CHECK-NEXT: return $pop0{{$}}
118define float @nearest32_via_rint(float %x) {
119  %a = call float @llvm.rint.f32(float %x)
120  ret float %a
121}
122
123; Min and max tests. LLVM currently only forms fminnan and fmaxnan nodes in
124; cases where there's a single fcmp with a select and it can prove that one
125; of the arms is never NaN, so we only test that case. In the future if LLVM
126; learns to form fminnan/fmaxnan in more cases, we can write more general
127; tests.
128
129; CHECK-LABEL: fmin32:
130; CHECK: f32.min $push1, $0, $pop0{{$}}
131; CHECK-NEXT: return $pop1{{$}}
132define float @fmin32(float %x) {
133  %a = fcmp ult float %x, 0.0
134  %b = select i1 %a, float %x, float 0.0
135  ret float %b
136}
137
138; CHECK-LABEL: fmax32:
139; CHECK: f32.max $push1, $0, $pop0{{$}}
140; CHECK-NEXT: return $pop1{{$}}
141define float @fmax32(float %x) {
142  %a = fcmp ugt float %x, 0.0
143  %b = select i1 %a, float %x, float 0.0
144  ret float %b
145}
146