xref: /llvm-project/llvm/test/CodeGen/AArch64/fmaximum-legalization.ll (revision db158c7c830807caeeb0691739c41f1d522029e9)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s --check-prefix=CHECK
3
4declare <4 x half> @llvm.maximum.v4f16(<4 x half>, <4 x half>)
5
6declare <2 x fp128> @llvm.maximum.v2f128(<2 x fp128>, <2 x fp128>)
7
8; Fixes PR63267
9define <4 x half> @fmaximum_v4f16(<4 x half> %x, <4 x half> %y) {
10; CHECK-LABEL: fmaximum_v4f16:
11; CHECK:       // %bb.0:
12; CHECK-NEXT:    // kill: def $d1 killed $d1 def $q1
13; CHECK-NEXT:    // kill: def $d0 killed $d0 def $q0
14; CHECK-NEXT:    mov h2, v1.h[1]
15; CHECK-NEXT:    mov h3, v0.h[1]
16; CHECK-NEXT:    mov h4, v1.h[2]
17; CHECK-NEXT:    mov h5, v0.h[2]
18; CHECK-NEXT:    fcvt s6, h1
19; CHECK-NEXT:    fcvt s7, h0
20; CHECK-NEXT:    mov h1, v1.h[3]
21; CHECK-NEXT:    fcvt s2, h2
22; CHECK-NEXT:    fcvt s3, h3
23; CHECK-NEXT:    fcvt s1, h1
24; CHECK-NEXT:    fmax s2, s3, s2
25; CHECK-NEXT:    fcvt s3, h4
26; CHECK-NEXT:    fcvt s4, h5
27; CHECK-NEXT:    fmax s5, s7, s6
28; CHECK-NEXT:    mov h6, v0.h[3]
29; CHECK-NEXT:    fmax s3, s4, s3
30; CHECK-NEXT:    fcvt h2, s2
31; CHECK-NEXT:    fcvt h0, s5
32; CHECK-NEXT:    fcvt s4, h6
33; CHECK-NEXT:    mov v0.h[1], v2.h[0]
34; CHECK-NEXT:    fcvt h2, s3
35; CHECK-NEXT:    fmax s1, s4, s1
36; CHECK-NEXT:    mov v0.h[2], v2.h[0]
37; CHECK-NEXT:    fcvt h1, s1
38; CHECK-NEXT:    mov v0.h[3], v1.h[0]
39; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
40; CHECK-NEXT:    ret
41  %r = call <4 x half> @llvm.maximum.v4f16(<4 x half> %x, <4 x half> %y)
42  ret <4 x half> %r
43}
44