derek.holloway
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63 lines
2.3 KiB
LLVM
63 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mattr=+sme-fa64 -force-streaming-compatible < %s | FileCheck %s -check-prefix=FA64
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; RUN: llc -mattr=+sve -force-streaming-compatible < %s | FileCheck %s -check-prefix=NO-FA64
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; RUN: llc -force-streaming-compatible < %s | FileCheck %s --check-prefix=NONEON-NOSVE
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target triple = "aarch64-unknown-linux-gnu"
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define half @fadda_v4f16(half %start, <4 x half> %a) {
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; FA64-LABEL: fadda_v4f16:
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; FA64: // %bb.0:
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; FA64-NEXT: ptrue p0.h, vl4
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; FA64-NEXT: // kill: def $h0 killed $h0 def $z0
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; FA64-NEXT: // kill: def $d1 killed $d1 def $z1
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; FA64-NEXT: fadda h0, p0, h0, z1.h
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; FA64-NEXT: // kill: def $h0 killed $h0 killed $z0
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; FA64-NEXT: ret
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;
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; NO-FA64-LABEL: fadda_v4f16:
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; NO-FA64: // %bb.0:
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; NO-FA64-NEXT: // kill: def $d1 killed $d1 def $z1
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; NO-FA64-NEXT: fadd h0, h0, h1
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; NO-FA64-NEXT: mov z2.h, z1.h[1]
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; NO-FA64-NEXT: fadd h0, h0, h2
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; NO-FA64-NEXT: mov z2.h, z1.h[2]
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; NO-FA64-NEXT: mov z1.h, z1.h[3]
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; NO-FA64-NEXT: fadd h0, h0, h2
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; NO-FA64-NEXT: fadd h0, h0, h1
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; NO-FA64-NEXT: ret
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;
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; NONEON-NOSVE-LABEL: fadda_v4f16:
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; NONEON-NOSVE: // %bb.0:
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; NONEON-NOSVE-NEXT: sub sp, sp, #16
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; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 16
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; NONEON-NOSVE-NEXT: str d1, [sp, #8]
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; NONEON-NOSVE-NEXT: fcvt s0, h0
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; NONEON-NOSVE-NEXT: ldr h1, [sp, #8]
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; NONEON-NOSVE-NEXT: fcvt s1, h1
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; NONEON-NOSVE-NEXT: fadd s0, s0, s1
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; NONEON-NOSVE-NEXT: ldr h1, [sp, #10]
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; NONEON-NOSVE-NEXT: fcvt s1, h1
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; NONEON-NOSVE-NEXT: fcvt h0, s0
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; NONEON-NOSVE-NEXT: fcvt s0, h0
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; NONEON-NOSVE-NEXT: fadd s0, s0, s1
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; NONEON-NOSVE-NEXT: ldr h1, [sp, #12]
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; NONEON-NOSVE-NEXT: fcvt s1, h1
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; NONEON-NOSVE-NEXT: fcvt h0, s0
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; NONEON-NOSVE-NEXT: fcvt s0, h0
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; NONEON-NOSVE-NEXT: fadd s0, s0, s1
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; NONEON-NOSVE-NEXT: ldr h1, [sp, #14]
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; NONEON-NOSVE-NEXT: fcvt s1, h1
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; NONEON-NOSVE-NEXT: fcvt h0, s0
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; NONEON-NOSVE-NEXT: fcvt s0, h0
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; NONEON-NOSVE-NEXT: fadd s0, s0, s1
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; NONEON-NOSVE-NEXT: fcvt h0, s0
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; NONEON-NOSVE-NEXT: add sp, sp, #16
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; NONEON-NOSVE-NEXT: ret
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%res = call half @llvm.vector.reduce.fadd.v4f16(half %start, <4 x half> %a)
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ret half %res
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}
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declare half @llvm.vector.reduce.fadd.v4f16(half, <4 x half>)
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