llvm/test/CodeGen/AArch64/sve-splat-sext.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O2 -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s

define <vscale x 8 x i16> @sext_splat_v8i16_128() {
; CHECK-LABEL: sext_splat_v8i16_128:
; CHECK:       // %bb.0:
; CHECK-NEXT:    mov z0.h, #-128 // =0xffffffffffffff80
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 8 x i16> poison, i16 128, i32 0
  %s = shufflevector <vscale x 8 x i16> %i, <vscale x 8 x i16> poison, <vscale x 8 x i32> zeroinitializer
  %a = shl <vscale x 8 x i16> %s, shufflevector (<vscale x 8 x i16> insertelement(<vscale x 8 x i16> undef, i16 8, i32 0), <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer)
  %b = ashr <vscale x 8 x i16> %a, shufflevector (<vscale x 8 x i16> insertelement(<vscale x 8 x i16> undef, i16 8, i32 0), <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer)
  ret <vscale x 8 x i16> %b
}

define <vscale x 8 x i1> @sext_icmp_splat_v8i16_128(<vscale x 8 x i8> %d) {
; CHECK-LABEL: sext_icmp_splat_v8i16_128:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.h
; CHECK-NEXT:    sxtb z0.h, p0/m, z0.h
; CHECK-NEXT:    cmpgt p0.h, p0/z, z0.h, #-1
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 8 x i8> poison, i8 128, i32 0
  %s = shufflevector <vscale x 8 x i8> %i, <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer
  %c = icmp ugt <vscale x 8 x i8> %s, %d
  ret <vscale x 8 x i1> %c
}

define <vscale x 4 x i1> @sext_icmp_splat_v4i16_128(<vscale x 4 x i8> %d) {
; CHECK-LABEL: sext_icmp_splat_v4i16_128:
; CHECK:       // %bb.0:
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    sxtb z0.s, p0/m, z0.s
; CHECK-NEXT:    cmpgt p0.s, p0/z, z0.s, #-1
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 4 x i8> poison, i8 128, i32 0
  %s = shufflevector <vscale x 4 x i8> %i, <vscale x 4 x i8> poison, <vscale x 4 x i32> zeroinitializer
  %c = icmp ugt <vscale x 4 x i8> %s, %d
  ret <vscale x 4 x i1> %c
}