1; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
2
3;CHECK: @func63
4;CHECK: cmeq.4h v0, v0, v1
5
6;FIXME: currently, it will generate 3 instructions:
7; ushll.4s	v0, v0, #0
8; shl.4s	v0, v0, #31
9; sshr.4s	v0, v0, #31
10;But these instrucitons can be optimized into 1 instruction:
11; sshll.4s  v0, v0, #0
12
13;CHECK: bsl.16b v0, v2, v3
14;CHECK: str  q0, [x0]
15;CHECK: ret
16
17%T0_63 = type <4 x i16>
18%T1_63 = type <4 x i32>
19%T2_63 = type <4 x i1>
20define void @func63(%T1_63* %out, %T0_63 %v0, %T0_63 %v1, %T1_63 %v2, %T1_63 %v3) {
21  %cond = icmp eq %T0_63 %v0, %v1
22  %r = select %T2_63 %cond, %T1_63 %v2, %T1_63 %v3
23  store %T1_63 %r, %T1_63* %out
24  ret void
25}
26