1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -O2 -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s
4 define <vscale x 8 x i16> @sext_splat_v8i16_128() {
5 ; CHECK-LABEL: sext_splat_v8i16_128:
7 ; CHECK-NEXT: mov z0.h, #-128 // =0xffffffffffffff80
9 %i = insertelement <vscale x 8 x i16> poison, i16 128, i32 0
10 %s = shufflevector <vscale x 8 x i16> %i, <vscale x 8 x i16> poison, <vscale x 8 x i32> zeroinitializer
11 %a = shl <vscale x 8 x i16> %s, splat (i16 8)
12 %b = ashr <vscale x 8 x i16> %a, splat (i16 8)
13 ret <vscale x 8 x i16> %b
16 define <vscale x 8 x i1> @sext_icmp_splat_v8i16_128(<vscale x 8 x i8> %d) {
17 ; CHECK-LABEL: sext_icmp_splat_v8i16_128:
19 ; CHECK-NEXT: ptrue p0.h
20 ; CHECK-NEXT: sxtb z0.h, p0/m, z0.h
21 ; CHECK-NEXT: cmpgt p0.h, p0/z, z0.h, #-1
23 %i = insertelement <vscale x 8 x i8> poison, i8 128, i32 0
24 %s = shufflevector <vscale x 8 x i8> %i, <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer
25 %c = icmp ugt <vscale x 8 x i8> %s, %d
26 ret <vscale x 8 x i1> %c
29 define <vscale x 4 x i1> @sext_icmp_splat_v4i16_128(<vscale x 4 x i8> %d) {
30 ; CHECK-LABEL: sext_icmp_splat_v4i16_128:
32 ; CHECK-NEXT: ptrue p0.s
33 ; CHECK-NEXT: sxtb z0.s, p0/m, z0.s
34 ; CHECK-NEXT: cmpgt p0.s, p0/z, z0.s, #-1
36 %i = insertelement <vscale x 4 x i8> poison, i8 128, i32 0
37 %s = shufflevector <vscale x 4 x i8> %i, <vscale x 4 x i8> poison, <vscale x 4 x i32> zeroinitializer
38 %c = icmp ugt <vscale x 4 x i8> %s, %d
39 ret <vscale x 4 x i1> %c