1; RUN: llc < %s -asm-verbose=false | FileCheck %s
2
3; Test that basic 64-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 double @llvm.fabs.f64(double)
9declare double @llvm.copysign.f64(double, double)
10declare double @llvm.sqrt.f64(double)
11declare double @llvm.ceil.f64(double)
12declare double @llvm.floor.f64(double)
13declare double @llvm.trunc.f64(double)
14declare double @llvm.nearbyint.f64(double)
15declare double @llvm.rint.f64(double)
16
17; CHECK-LABEL: fadd64:
18; CHECK-NEXT: .param f64{{$}}
19; CHECK-NEXT: .param f64{{$}}
20; CHECK-NEXT: .result f64{{$}}
21; CHECK-NEXT: .local f64, f64, f64{{$}}
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: f64.add push, (get_local 3), (get_local 2){{$}}
27; CHECK-NEXT: set_local 4, pop{{$}}
28; CHECK-NEXT: return (get_local 4){{$}}
29define double @fadd64(double %x, double %y) {
30  %a = fadd double %x, %y
31  ret double %a
32}
33
34; CHECK-LABEL: fsub64:
35; CHECK: f64.sub push, (get_local 3), (get_local 2){{$}}
36; CHECK-NEXT: set_local 4, pop{{$}}
37define double @fsub64(double %x, double %y) {
38  %a = fsub double %x, %y
39  ret double %a
40}
41
42; CHECK-LABEL: fmul64:
43; CHECK: f64.mul push, (get_local 3), (get_local 2){{$}}
44; CHECK-NEXT: set_local 4, pop{{$}}
45define double @fmul64(double %x, double %y) {
46  %a = fmul double %x, %y
47  ret double %a
48}
49
50; CHECK-LABEL: fdiv64:
51; CHECK: f64.div push, (get_local 3), (get_local 2){{$}}
52; CHECK-NEXT: set_local 4, pop{{$}}
53define double @fdiv64(double %x, double %y) {
54  %a = fdiv double %x, %y
55  ret double %a
56}
57
58; CHECK-LABEL: fabs64:
59; CHECK: f64.abs push, (get_local 1){{$}}
60; CHECK-NEXT: set_local 2, pop{{$}}
61define double @fabs64(double %x) {
62  %a = call double @llvm.fabs.f64(double %x)
63  ret double %a
64}
65
66; CHECK-LABEL: fneg64:
67; CHECK: f64.neg push, (get_local 1){{$}}
68; CHECK-NEXT: set_local 2, pop{{$}}
69define double @fneg64(double %x) {
70  %a = fsub double -0., %x
71  ret double %a
72}
73
74; CHECK-LABEL: copysign64:
75; CHECK: f64.copysign push, (get_local 3), (get_local 2){{$}}
76; CHECK-NEXT: set_local 4, pop{{$}}
77define double @copysign64(double %x, double %y) {
78  %a = call double @llvm.copysign.f64(double %x, double %y)
79  ret double %a
80}
81
82; CHECK-LABEL: sqrt64:
83; CHECK: f64.sqrt push, (get_local 1){{$}}
84; CHECK-NEXT: set_local 2, pop{{$}}
85define double @sqrt64(double %x) {
86  %a = call double @llvm.sqrt.f64(double %x)
87  ret double %a
88}
89
90; CHECK-LABEL: ceil64:
91; CHECK: f64.ceil push, (get_local 1){{$}}
92; CHECK-NEXT: set_local 2, pop{{$}}
93define double @ceil64(double %x) {
94  %a = call double @llvm.ceil.f64(double %x)
95  ret double %a
96}
97
98; CHECK-LABEL: floor64:
99; CHECK: f64.floor push, (get_local 1){{$}}
100; CHECK-NEXT: set_local 2, pop{{$}}
101define double @floor64(double %x) {
102  %a = call double @llvm.floor.f64(double %x)
103  ret double %a
104}
105
106; CHECK-LABEL: trunc64:
107; CHECK: f64.trunc push, (get_local 1){{$}}
108; CHECK-NEXT: set_local 2, pop{{$}}
109define double @trunc64(double %x) {
110  %a = call double @llvm.trunc.f64(double %x)
111  ret double %a
112}
113
114; CHECK-LABEL: nearest64:
115; CHECK: f64.nearest push, (get_local 1){{$}}
116; CHECK-NEXT: set_local 2, pop{{$}}
117define double @nearest64(double %x) {
118  %a = call double @llvm.nearbyint.f64(double %x)
119  ret double %a
120}
121
122; CHECK-LABEL: nearest64_via_rint:
123; CHECK: f64.nearest push, (get_local 1){{$}}
124; CHECK-NEXT: set_local 2, pop{{$}}
125define double @nearest64_via_rint(double %x) {
126  %a = call double @llvm.rint.f64(double %x)
127  ret double %a
128}
129
130; Min and max tests. LLVM currently only forms fminnan and fmaxnan nodes in
131; cases where there's a single fcmp with a select and it can prove that one
132; of the arms is never NaN, so we only test that case. In the future if LLVM
133; learns to form fminnan/fmaxnan in more cases, we can write more general
134; tests.
135
136; CHECK-LABEL: fmin64:
137; CHECK: f64.min push, (get_local 1), (get_local 2){{$}}
138; CHECK-NEXT: set_local 3, pop{{$}}
139define double @fmin64(double %x) {
140  %a = fcmp ult double %x, 0.0
141  %b = select i1 %a, double %x, double 0.0
142  ret double %b
143}
144
145; CHECK-LABEL: fmax64:
146; CHECK: f64.max push, (get_local 1), (get_local 2){{$}}
147; CHECK-NEXT: set_local 3, pop{{$}}
148define double @fmax64(double %x) {
149  %a = fcmp ugt double %x, 0.0
150  %b = select i1 %a, double %x, double 0.0
151  ret double %b
152}
153