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