llvm-project/llvm/test/CodeGen/Thumb2/mve-shuffleext.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=CHECK

define arm_aapcs_vfpcc <4 x i32> @sext_0246(<8 x i16> %src) {
; CHECK-LABEL: sext_0246:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlb.s16 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <8 x i16> %src, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
  %out = sext <4 x i16> %strided.vec to <4 x i32>
  ret <4 x i32> %out
}

define arm_aapcs_vfpcc <4 x i32> @sext_1357(<8 x i16> %src) {
; CHECK-LABEL: sext_1357:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlt.s16 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <8 x i16> %src, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
  %out = sext <4 x i16> %strided.vec to <4 x i32>
  ret <4 x i32> %out
}

define arm_aapcs_vfpcc <4 x i32> @zext_0246(<8 x i16> %src) {
; CHECK-LABEL: zext_0246:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlb.u16 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <8 x i16> %src, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
  %out = zext <4 x i16> %strided.vec to <4 x i32>
  ret <4 x i32> %out
}

define arm_aapcs_vfpcc <4 x i32> @zext_1357(<8 x i16> %src) {
; CHECK-LABEL: zext_1357:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlt.u16 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <8 x i16> %src, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
  %out = zext <4 x i16> %strided.vec to <4 x i32>
  ret <4 x i32> %out
}

define arm_aapcs_vfpcc <8 x i16> @sext_02468101214(<16 x i8> %src) {
; CHECK-LABEL: sext_02468101214:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlb.s8 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <16 x i8> %src, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
  %out = sext <8 x i8> %strided.vec to <8 x i16>
  ret <8 x i16> %out
}

define arm_aapcs_vfpcc <8 x i16> @sext_13579111315(<16 x i8> %src) {
; CHECK-LABEL: sext_13579111315:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlt.s8 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <16 x i8> %src, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
  %out = sext <8 x i8> %strided.vec to <8 x i16>
  ret <8 x i16> %out
}

define arm_aapcs_vfpcc <8 x i16> @zext_02468101214(<16 x i8> %src) {
; CHECK-LABEL: zext_02468101214:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlb.u8 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <16 x i8> %src, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
  %out = zext <8 x i8> %strided.vec to <8 x i16>
  ret <8 x i16> %out
}

define arm_aapcs_vfpcc <8 x i16> @zext_13579111315(<16 x i8> %src) {
; CHECK-LABEL: zext_13579111315:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmovlt.u8 q0, q0
; CHECK-NEXT:    bx lr
entry:
  %strided.vec = shufflevector <16 x i8> %src, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
  %out = zext <8 x i8> %strided.vec to <8 x i16>
  ret <8 x i16> %out
}