1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s
2; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel | FileCheck %s
3
4; Test that f16 is expanded.
5
6target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
7target triple = "wasm32-unknown-unknown"
8
9; CHECK-LABEL: demote.f32:
10; CHECK-NEXT: .functype demote.f32 (f32) -> (f32){{$}}
11; CHECK-NEXT: local.get	$push[[L0:[0-9]+]]=, 0{{$}}
12; CHECK-NEXT: call	$push[[L1:[0-9]+]]=, __truncsfhf2, $pop[[L0]]{{$}}
13; CHECK-NEXT: call	$push[[L2:[0-9]+]]=, __extendhfsf2, $pop[[L1]]{{$}}
14; CHECK-NEXT: return  	$pop[[L2]]{{$}}
15define half @demote.f32(float %f) {
16    %t = fptrunc float %f to half
17    ret half %t
18}
19
20; CHECK-LABEL: promote.f32:
21; CHECK-NEXT: .functype promote.f32 (f32) -> (f32){{$}}
22; CHECK-NEXT: local.get	$push0=, 0{{$}}
23; CHECK-NEXT: return  	$pop0{{$}}
24define float @promote.f32(half %f) {
25    %t = fpext half %f to float
26    ret float %t
27}
28
29; CHECK-LABEL: demote.f64:
30; CHECK-NEXT: .functype demote.f64 (f64) -> (f32){{$}}
31; CHECK-NEXT: local.get	$push[[L0:[0-9]+]]=, 0{{$}}
32; CHECK-NEXT: call	$push[[L1:[0-9]+]]=, __truncdfhf2, $pop[[L0]]{{$}}
33; CHECK-NEXT: call	$push[[L2:[0-9]+]]=, __extendhfsf2, $pop[[L1]]{{$}}
34; CHECK-NEXT: return  	$pop[[L2]]{{$}}
35define half @demote.f64(double %f) {
36    %t = fptrunc double %f to half
37    ret half %t
38}
39
40; CHECK-LABEL: promote.f64:
41; CHECK-NEXT: .functype promote.f64 (f32) -> (f64){{$}}
42; CHECK-NEXT: local.get	$push[[L0:[0-9]+]]=, 0{{$}}
43; CHECK-NEXT: f64.promote_f32 $push[[L1:[0-9]+]]=, $pop[[L0]]{{$}}
44; CHECK-NEXT: return  	$pop[[L1]]{{$}}
45define double @promote.f64(half %f) {
46    %t = fpext half %f to double
47    ret double %t
48}
49
50; CHECK-LABEL: demote.f128:
51; CHECK-NEXT: .functype demote.f128 (i64, i64) -> (f32){{$}}
52; CHECK-NEXT: local.get	$push[[L0:[0-9]+]]=, 0{{$}}
53; CHECK-NEXT: local.get	$push[[L1:[0-9]+]]=, 1{{$}}
54; CHECK-NEXT: call	$push[[L2:[0-9]+]]=, __trunctfhf2, $pop[[L0]], $pop[[L1]]{{$}}
55; CHECK-NEXT: call	$push[[L3:[0-9]+]]=, __extendhfsf2, $pop[[L2]]{{$}}
56; CHECK-NEXT: return  	$pop[[L3]]{{$}}
57define half @demote.f128(fp128 %f) {
58    %t = fptrunc fp128 %f to half
59    ret half %t
60}
61
62; CHECK-LABEL: promote.f128:
63; CHECK-NEXT: .functype promote.f128 (i32, f32) -> (){{$}}
64; CHECK: call __extendsftf2
65; CHECK: i64.store
66; CHECK: i64.store
67define fp128 @promote.f128(half %f) {
68    %t = fpext half %f to fp128
69    ret fp128 %t
70}
71