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; RUN: llc < %s -mtriple=aarch64 -mattr=+v8.2a,+neon,+fullfp16 | FileCheck %s
define dso_local half @t_vfmah_f16(half %a, half %b, half %c) {
; CHECK-LABEL: t_vfmah_f16:
; CHECK: fmadd h0, h1, h2, h0
; CHECK-NEXT: ret
entry:
%0 = tail call half @llvm.fma.f16(half %b, half %c, half %a)
ret half %0
}
define half @fnma16(half %a, half %b, half %c) nounwind readnone ssp {
; CHECK-LABEL: fnma16:
; CHECK: fnmadd h0, h0, h1, h2
entry:
%0 = tail call half @llvm.fma.f16(half %a, half %b, half %c)
%mul = fmul half %0, -1.000000e+00
ret half %mul
}
define half @fms16(half %a, half %b, half %c) nounwind readnone ssp {
; CHECK-LABEL: fms16:
; CHECK: fmsub h0, h0, h1, h2
entry:
%mul = fneg half %b
%0 = tail call half @llvm.fma.f16(half %a, half %mul, half %c)
ret half %0
}
define half @fms16_com(half %a, half %b, half %c) nounwind readnone ssp {
; CHECK-LABEL: fms16_com:
; CHECK: fmsub h0, h1, h0, h2
; CHECK-NEXT: ret
entry:
%mul = fneg half %b
%0 = tail call half @llvm.fma.f16(half %mul, half %a, half %c)
ret half %0
}
define half @fnms16(half %a, half %b, half %c) nounwind readnone ssp {
; CHECK-LABEL: fnms16:
; CHECK: fnmsub h0, h0, h1, h2
; CHECK-NEXT: ret
entry:
%mul = fneg half %c
%0 = tail call half @llvm.fma.f16(half %a, half %b, half %mul)
ret half %0
}
define half @test_fmsub(half %a, half %b, half %c) {
; CHECK-LABEL: test_fmsub:
; CHECK: fmsub h0, h0, h1, h2
; CHECK-NEXT: ret
entry:
%nega = fsub half -0.0, %a
%val = call half @llvm.fma.f16(half %nega, half %b, half %c)
ret half %val
}
define half @test_fnmadd(half %a, half %b, half %c) {
; CHECK-LABEL: test_fnmadd:
; CHECK: fnmadd h0, h0, h1, h2
; CHECK-NEXT: ret
entry:
%nega = fsub half -0.0, %a
%negc = fsub half -0.0, %c
%val = call half @llvm.fma.f16(half %nega, half %b, half %negc)
ret half %val
}
define half @test_fmadd(half %a, half %b, half %c) {
; CHECK-LABEL: test_fmadd:
; CHECK: fmadd h0, h0, h1, h2
; CHECK-NEXT: ret
entry:
%nega = fsub half -0.0, %a
%negb = fsub half -0.0, %b
%val = call half @llvm.fma.f16(half %nega, half %negb, half %c)
ret half %val
}
define half @test_fnmsub(half %a, half %b, half %c) {
; CHECK-LABEL: test_fnmsub:
; CHECK: fnmsub h0, h0, h1, h2
; CHECK-NEXT: ret
entry:
%negc = fsub half -0.0, %c
%val = call half @llvm.fma.f16(half %a, half %b, half %negc)
ret half %val
}
declare half @llvm.fma.f16(half, half, half)
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