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
4 ; Test that f16 is expanded.
6 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
7 target triple = "wasm32-unknown-unknown"
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: i32.call $push[[L1:[0-9]+]]=, __truncsfhf2, $pop[[L0]]{{$}}
13 ; CHECK-NEXT: f32.call $push[[L2:[0-9]+]]=, __extendhfsf2, $pop[[L1]]{{$}}
14 ; CHECK-NEXT: return $pop[[L2]]{{$}}
15 define half @demote.f32(float %f) {
16 %t = fptrunc float %f to half
20 ; CHECK-LABEL: promote.f32:
21 ; CHECK-NEXT: .functype promote.f32 (f32) -> (f32){{$}}
22 ; CHECK-NEXT: local.get $push0=, 0{{$}}
23 ; CHECK-NEXT: return $pop0{{$}}
24 define float @promote.f32(half %f) {
25 %t = fpext half %f to float
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: i32.call $push[[L1:[0-9]+]]=, __truncdfhf2, $pop[[L0]]{{$}}
33 ; CHECK-NEXT: f32.call $push[[L2:[0-9]+]]=, __extendhfsf2, $pop[[L1]]{{$}}
34 ; CHECK-NEXT: return $pop[[L2]]{{$}}
35 define half @demote.f64(double %f) {
36 %t = fptrunc double %f to half
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 $pop[[L1]]{{$}}
45 define double @promote.f64(half %f) {
46 %t = fpext half %f to double
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: i32.call $push[[L2:[0-9]+]]=, __trunctfhf2, $pop[[L0]], $pop[[L1]]{{$}}
55 ; CHECK-NEXT: f32.call $push[[L3:[0-9]+]]=, __extendhfsf2, $pop[[L2]]{{$}}
56 ; CHECK-NEXT: return $pop[[L3]]{{$}}
57 define half @demote.f128(fp128 %f) {
58 %t = fptrunc fp128 %f to half
62 ; CHECK-LABEL: promote.f128:
63 ; CHECK-NEXT: .functype promote.f128 (i32, f32) -> (){{$}}
64 ; CHECK: call __extendsftf2
67 define fp128 @promote.f128(half %f) {
68 %t = fpext half %f to fp128