71 lines
2.4 KiB
LLVM
71 lines
2.4 KiB
LLVM
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel | FileCheck %s
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; Test that f16 is expanded.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-LABEL: demote.f32:
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; CHECK-NEXT: .functype demote.f32 (f32) -> (f32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, __truncsfhf2, $pop[[L0]]{{$}}
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; CHECK-NEXT: call $push[[L2:[0-9]+]]=, __extendhfsf2, $pop[[L1]]{{$}}
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; CHECK-NEXT: return $pop[[L2]]{{$}}
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define half @demote.f32(float %f) {
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%t = fptrunc float %f to half
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ret half %t
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}
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; CHECK-LABEL: promote.f32:
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; CHECK-NEXT: .functype promote.f32 (f32) -> (f32){{$}}
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; CHECK-NEXT: local.get $push0=, 0{{$}}
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; CHECK-NEXT: return $pop0{{$}}
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define float @promote.f32(half %f) {
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%t = fpext half %f to float
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ret float %t
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}
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; CHECK-LABEL: demote.f64:
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; CHECK-NEXT: .functype demote.f64 (f64) -> (f32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: call $push[[L1:[0-9]+]]=, __truncdfhf2, $pop[[L0]]{{$}}
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; CHECK-NEXT: call $push[[L2:[0-9]+]]=, __extendhfsf2, $pop[[L1]]{{$}}
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; CHECK-NEXT: return $pop[[L2]]{{$}}
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define half @demote.f64(double %f) {
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%t = fptrunc double %f to half
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ret half %t
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}
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; CHECK-LABEL: promote.f64:
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; CHECK-NEXT: .functype promote.f64 (f32) -> (f64){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: f64.promote_f32 $push[[L1:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[L1]]{{$}}
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define double @promote.f64(half %f) {
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%t = fpext half %f to double
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ret double %t
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}
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; CHECK-LABEL: demote.f128:
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; CHECK-NEXT: .functype demote.f128 (i64, i64) -> (f32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: call $push[[L2:[0-9]+]]=, __trunctfhf2, $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: call $push[[L3:[0-9]+]]=, __extendhfsf2, $pop[[L2]]{{$}}
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; CHECK-NEXT: return $pop[[L3]]{{$}}
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define half @demote.f128(fp128 %f) {
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%t = fptrunc fp128 %f to half
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ret half %t
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}
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; CHECK-LABEL: promote.f128:
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; CHECK-NEXT: .functype promote.f128 (i32, f32) -> (){{$}}
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; CHECK: call __extendsftf2
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; CHECK: i64.store
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; CHECK: i64.store
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define fp128 @promote.f128(half %f) {
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%t = fpext half %f to fp128
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ret fp128 %t
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}
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