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> 20 define 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