1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mattr=+sme-fa64 -force-streaming-compatible < %s | FileCheck %s -check-prefix=FA64
3 ; RUN: llc -mattr=+sve -force-streaming-compatible < %s | FileCheck %s -check-prefix=NO-FA64
4 ; RUN: llc -force-streaming-compatible < %s | FileCheck %s --check-prefix=NONEON-NOSVE
7 target triple = "aarch64-unknown-linux-gnu"
9 define half @fadda_v4f16(half %start, <4 x half> %a) {
10 ; FA64-LABEL: fadda_v4f16:
12 ; FA64-NEXT: ptrue p0.h, vl4
13 ; FA64-NEXT: // kill: def $h0 killed $h0 def $z0
14 ; FA64-NEXT: // kill: def $d1 killed $d1 def $z1
15 ; FA64-NEXT: fadda h0, p0, h0, z1.h
16 ; FA64-NEXT: // kill: def $h0 killed $h0 killed $z0
19 ; NO-FA64-LABEL: fadda_v4f16:
21 ; NO-FA64-NEXT: // kill: def $d1 killed $d1 def $z1
22 ; NO-FA64-NEXT: fadd h0, h0, h1
23 ; NO-FA64-NEXT: mov z2.h, z1.h[1]
24 ; NO-FA64-NEXT: fadd h0, h0, h2
25 ; NO-FA64-NEXT: mov z2.h, z1.h[2]
26 ; NO-FA64-NEXT: mov z1.h, z1.h[3]
27 ; NO-FA64-NEXT: fadd h0, h0, h2
28 ; NO-FA64-NEXT: fadd h0, h0, h1
31 ; NONEON-NOSVE-LABEL: fadda_v4f16:
32 ; NONEON-NOSVE: // %bb.0:
33 ; NONEON-NOSVE-NEXT: sub sp, sp, #16
34 ; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 16
35 ; NONEON-NOSVE-NEXT: str d1, [sp, #8]
36 ; NONEON-NOSVE-NEXT: fcvt s0, h0
37 ; NONEON-NOSVE-NEXT: ldr h1, [sp, #8]
38 ; NONEON-NOSVE-NEXT: fcvt s1, h1
39 ; NONEON-NOSVE-NEXT: fadd s0, s0, s1
40 ; NONEON-NOSVE-NEXT: ldr h1, [sp, #10]
41 ; NONEON-NOSVE-NEXT: fcvt s1, h1
42 ; NONEON-NOSVE-NEXT: fcvt h0, s0
43 ; NONEON-NOSVE-NEXT: fcvt s0, h0
44 ; NONEON-NOSVE-NEXT: fadd s0, s0, s1
45 ; NONEON-NOSVE-NEXT: ldr h1, [sp, #12]
46 ; NONEON-NOSVE-NEXT: fcvt s1, h1
47 ; NONEON-NOSVE-NEXT: fcvt h0, s0
48 ; NONEON-NOSVE-NEXT: fcvt s0, h0
49 ; NONEON-NOSVE-NEXT: fadd s0, s0, s1
50 ; NONEON-NOSVE-NEXT: ldr h1, [sp, #14]
51 ; NONEON-NOSVE-NEXT: fcvt s1, h1
52 ; NONEON-NOSVE-NEXT: fcvt h0, s0
53 ; NONEON-NOSVE-NEXT: fcvt s0, h0
54 ; NONEON-NOSVE-NEXT: fadd s0, s0, s1
55 ; NONEON-NOSVE-NEXT: fcvt h0, s0
56 ; NONEON-NOSVE-NEXT: add sp, sp, #16
57 ; NONEON-NOSVE-NEXT: ret
58 %res = call half @llvm.vector.reduce.fadd.v4f16(half %start, <4 x half> %a)
62 declare half @llvm.vector.reduce.fadd.v4f16(half, <4 x half>)