; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

target triple = "aarch64-unknown-linux-gnu"

define <vscale x 16 x i8> @insr_val_into_splatted_val_int(i8 %a) #0 {
; CHECK-LABEL: @insr_val_into_splatted_val_int(
; CHECK-NEXT:    [[T0:%.*]] = insertelement <vscale x 16 x i8> poison, i8 [[A:%.*]], i64 0
; CHECK-NEXT:    [[T1:%.*]] = shufflevector <vscale x 16 x i8> [[T0]], <vscale x 16 x i8> poison, <vscale x 16 x i32> zeroinitializer
; CHECK-NEXT:    ret <vscale x 16 x i8> [[T1]]
;
  %t0 = insertelement <vscale x 16 x i8> poison, i8 %a, i64 0
  %t1 = shufflevector <vscale x 16 x i8> %t0, <vscale x 16 x i8> poison, <vscale x 16 x i32> zeroinitializer
  %t2 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.insr.nxv16i8(<vscale x 16 x i8> %t1, i8 %a)
  ret <vscale x 16 x i8> %t2
}

define <vscale x 8 x i16> @insr_five_into_fives() #0 {
; CHECK-LABEL: @insr_five_into_fives(
; CHECK-NEXT:    ret <vscale x 8 x i16> splat (i16 5)
;
  %t1 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.insr.nxv8i16(<vscale x 8 x i16> splat (i16 5), i16 5)
  ret <vscale x 8 x i16> %t1
}

define <vscale x 4 x float> @insr_val_into_splatted_val_fp(float %a) #0 {
; CHECK-LABEL: @insr_val_into_splatted_val_fp(
; CHECK-NEXT:    [[T0:%.*]] = insertelement <vscale x 4 x float> poison, float [[A:%.*]], i64 0
; CHECK-NEXT:    [[T1:%.*]] = shufflevector <vscale x 4 x float> [[T0]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-NEXT:    ret <vscale x 4 x float> [[T1]]
;
  %t0 = insertelement <vscale x 4 x float> poison, float %a, i64 0
  %t1 = shufflevector <vscale x 4 x float> %t0, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
  %t2 = tail call <vscale x 4 x float> @llvm.aarch64.sve.insr.nxv4f32(<vscale x 4 x float> %t1, float %a)
  ret <vscale x 4 x float> %t2
}

define <vscale x 2 x double> @insr_zero_into_zero() #0 {
; CHECK-LABEL: @insr_zero_into_zero(
; CHECK-NEXT:    ret <vscale x 2 x double> zeroinitializer
;
  %t1 = tail call <vscale x 2 x double> @llvm.aarch64.sve.insr.nxv2f64(<vscale x 2 x double> zeroinitializer, double zeroinitializer)
  ret <vscale x 2 x double> %t1
}

define <vscale x 16 x i8> @insr_val_into_splatted_other(i8 %a, i8 %b) #0 {
; CHECK-LABEL: @insr_val_into_splatted_other(
; CHECK-NEXT:    [[T0:%.*]] = insertelement <vscale x 16 x i8> poison, i8 [[B:%.*]], i64 0
; CHECK-NEXT:    [[T1:%.*]] = shufflevector <vscale x 16 x i8> [[T0]], <vscale x 16 x i8> poison, <vscale x 16 x i32> zeroinitializer
; CHECK-NEXT:    [[T2:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.insr.nxv16i8(<vscale x 16 x i8> [[T1]], i8 [[A:%.*]])
; CHECK-NEXT:    ret <vscale x 16 x i8> [[T2]]
;
  %t0 = insertelement <vscale x 16 x i8> poison, i8 %b, i64 0
  %t1 = shufflevector <vscale x 16 x i8> %t0, <vscale x 16 x i8> poison, <vscale x 16 x i32> zeroinitializer
  %t2 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.insr.nxv16i8(<vscale x 16 x i8> %t1, i8 %a)
  ret <vscale x 16 x i8> %t2
}

define <vscale x 8 x i16> @insr_three_into_fives() #0 {
; CHECK-LABEL: @insr_three_into_fives(
; CHECK-NEXT:    [[T1:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.insr.nxv8i16(<vscale x 8 x i16> splat (i16 5), i16 3)
; CHECK-NEXT:    ret <vscale x 8 x i16> [[T1]]
;
  %t1 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.insr.nxv8i16(<vscale x 8 x i16> splat (i16 5), i16 3)
  ret <vscale x 8 x i16> %t1
}

declare <vscale x 16 x i8> @llvm.aarch64.sve.insr.nxv16i8(<vscale x 16 x i8>, i8)
declare <vscale x 8 x i16> @llvm.aarch64.sve.insr.nxv8i16(<vscale x 8 x i16>, i16)
declare <vscale x 4 x float> @llvm.aarch64.sve.insr.nxv4f32(<vscale x 4 x float>, float)
declare <vscale x 2 x double> @llvm.aarch64.sve.insr.nxv2f64(<vscale x 2 x double>, double)

attributes #0 = { "target-features"="+sve" }