diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.td b/llvm/lib/Target/AArch64/AArch64InstrInfo.td
index e4ad27d4bcfc0..f7121373593fb 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.td
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.td
@@ -381,6 +381,9 @@ def NoUseScalarIncVL : Predicate<"!Subtarget->useScalarIncVL()">;
 
 def UseSVEFPLD1R : Predicate<"!Subtarget->noSVEFPLD1R()">;
 
+def UseUnaryUndefPseudos
+  : Predicate<"!(Subtarget->isSVEorStreamingSVEAvailable() && (Subtarget->hasSVE2p2() || Subtarget->hasSME2p2()))">;
+
 def AArch64LocalRecover : SDNode<"ISD::LOCAL_RECOVER",
                                   SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
                                                        SDTCisInt<1>]>>;
diff --git a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
index 4f146b3ee59e9..b516fe720e10c 100644
--- a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
+++ b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
@@ -664,6 +664,14 @@ let Predicates = [HasSVEorSME] in {
   defm FABS_ZPmZ : sve_int_un_pred_arit_bitwise_fp<0b100, "fabs", AArch64fabs_mt>;
   defm FNEG_ZPmZ : sve_int_un_pred_arit_bitwise_fp<0b101, "fneg", AArch64fneg_mt>;
 
+  let Predicates = [HasSVEorSME, UseUnaryUndefPseudos] in {
+    defm FABS_ZPmZ : sve_fp_un_pred_arit_hsd<AArch64fabs_mt>;
+    defm FNEG_ZPmZ : sve_fp_un_pred_arit_hsd<AArch64fneg_mt>;
+
+    defm ABS_ZPmZ : sve_int_un_pred_arit_bhsd<AArch64abs_mt>;
+    defm NEG_ZPmZ : sve_int_un_pred_arit_bhsd<AArch64neg_mt>;
+  }
+
   foreach VT = [nxv2bf16, nxv4bf16, nxv8bf16] in {
     // No dedicated instruction, so just clear the sign bit.
     def : Pat<(VT (fabs VT:$op)),
@@ -2411,6 +2419,10 @@ let Predicates = [HasSVEorSME] in {
                        (nxv2i64 (splat_vector (i64 0xFFFFFFFF)))), nxv2f64:$Zd)),
             (UCVTF_ZPmZ_StoD_UNDEF ZPR:$Zd, PPR:$Pg, ZPR:$Zs)>;
 
+  let Predicates = [HasSVEorSME, UseUnaryUndefPseudos] in {
+    defm FCVT_ZPmZ : sve_fp_2op_p_zd_pat<"int_aarch64_sve_fcvt">;
+  }
+
   defm FRINTN_ZPmZ : sve_fp_2op_p_zd_HSD<0b00000, "frintn", AArch64frintn_mt>;
   defm FRINTP_ZPmZ : sve_fp_2op_p_zd_HSD<0b00001, "frintp", AArch64frintp_mt>;
   defm FRINTM_ZPmZ : sve_fp_2op_p_zd_HSD<0b00010, "frintm", AArch64frintm_mt>;
@@ -4246,21 +4258,21 @@ defm TBLQ_ZZZ  : sve2p1_tblq<"tblq", int_aarch64_sve_tblq>;
 //===----------------------------------------------------------------------===//
 let Predicates = [HasSVE2p2orSME2p2] in {
   // SVE Floating-point convert precision, zeroing predicate
-  defm FCVT_ZPzZ : sve_fp_z2op_p_zd_b_0<"fcvt">;
+  defm FCVT_ZPzZ : sve_fp_z2op_p_zd_b_0<"fcvt", "int_aarch64_sve_fcvt">;
 
   // SVE2p2 floating-point convert precision down (placing odd), zeroing predicate
   defm FCVTNT_ZPzZ      : sve_fp_fcvtntz<"fcvtnt">;
   def FCVTXNT_ZPzZ_DtoS : sve_fp_fcvt2z<0b0010, "fcvtxnt", ZPR32, ZPR64>;
   // Placing even
-  def FCVTX_ZPzZ_DtoS   : sve_fp_z2op_p_zd<0b0001010, "fcvtx", ZPR64, ZPR32>;
+  defm FCVTX_ZPzZ       : sve_fp_z2op_p_zd<"fcvtx", int_aarch64_sve_fcvtx_f32f64>;
 
   // SVE2p2 floating-point convert precision up, zeroing predicate
-  defm FCVTLT_ZPzZ      : sve_fp_fcvtltz<"fcvtlt">;
+  defm FCVTLT_ZPzZ      : sve_fp_fcvtltz<"fcvtlt", "int_aarch64_sve_fcvtlt">;
 
   // SVE2p2 floating-point convert single-to-bf (placing odd), zeroing predicate
   def BFCVTNT_ZPzZ      : sve_fp_fcvt2z<0b1010, "bfcvtnt", ZPR16, ZPR32>;
   // Placing corresponding
-  def BFCVT_ZPzZ_StoH   : sve_fp_z2op_p_zd<0b1001010, "bfcvt", ZPR32, ZPR16>;
+  defm BFCVT_ZPzZ_StoH  : sve_fp_z2op_p_zd_bfcvt<0b1001010, "bfcvt", int_aarch64_sve_fcvt_bf16f32_v2>;
 
   // Floating-point convert to integer, zeroing predicate
   defm FCVTZS_ZPzZ : sve_fp_z2op_p_zd_d<0b0, "fcvtzs">;
@@ -4310,16 +4322,16 @@ let Predicates = [HasSVE2p2orSME2p2] in {
   defm NOT_ZPzZ  : sve_int_un_pred_arit_bitwise_z<0b110, "not">;
 
   // floating point
-  defm FABS_ZPzZ : sve_int_un_pred_arit_bitwise_fp_z<0b100, "fabs">;
-  defm FNEG_ZPzZ : sve_int_un_pred_arit_bitwise_fp_z<0b101, "fneg">;
+  defm FABS_ZPzZ : sve_int_un_pred_arit_bitwise_fp_z<0b100, "fabs", AArch64fabs_mt>;
+  defm FNEG_ZPzZ : sve_int_un_pred_arit_bitwise_fp_z<0b101, "fneg", AArch64fneg_mt>;
 
   // SVE2p2 integer unary arithmetic, zeroing predicate
   defm SXTB_ZPzZ  : sve_int_un_pred_arit_h_z<0b000, "sxtb">;
   defm UXTB_ZPzZ  : sve_int_un_pred_arit_h_z<0b001, "uxtb">;
   defm SXTH_ZPzZ  : sve_int_un_pred_arit_w_z<0b010, "sxth">;
   defm UXTH_ZPzZ  : sve_int_un_pred_arit_w_z<0b011, "uxth">;
-  defm ABS_ZPzZ   : sve_int_un_pred_arit_z<  0b110, "abs">;
-  defm NEG_ZPzZ   : sve_int_un_pred_arit_z<  0b111, "neg">;
+  defm ABS_ZPzZ   : sve_int_un_pred_arit_z<  0b110, "abs", AArch64abs_mt>;
+  defm NEG_ZPzZ   : sve_int_un_pred_arit_z<  0b111, "neg", AArch64neg_mt>;
   def SXTW_ZPzZ_D : sve_int_un_pred_arit_z<0b11, 0b1000, "sxtw", ZPR64>;
   def UXTW_ZPzZ_D : sve_int_un_pred_arit_z<0b11, 0b1010, "uxtw", ZPR64>;
 
diff --git a/llvm/lib/Target/AArch64/SVEInstrFormats.td b/llvm/lib/Target/AArch64/SVEInstrFormats.td
index 6de6aed3b2a81..7d6dd033e177c 100644
--- a/llvm/lib/Target/AArch64/SVEInstrFormats.td
+++ b/llvm/lib/Target/AArch64/SVEInstrFormats.td
@@ -482,6 +482,8 @@ let Predicates = [HasSVEorSME] in {
 //===----------------------------------------------------------------------===//
 // SVE pattern match helpers.
 //===----------------------------------------------------------------------===//
+def SVEDup0 : ComplexPattern<vAny, 0, "SelectDupZero", []>;
+def SVEDup0Undef : ComplexPattern<vAny, 0, "SelectDupZeroOrUndef", []>;
 
 class SVE_1_Op_Pat<ValueType vtd, SDPatternOperator op, ValueType vt1,
                    Instruction inst>
@@ -502,6 +504,11 @@ multiclass SVE_1_Op_PassthruUndef_Pat<ValueType vtd, SDPatternOperator op, Value
             (inst $Op3, $Op1, $Op2)>;
 }
 
+class SVE_1_Op_PassthruUndefZero_Pat<ValueType vtd, SDPatternOperator op, ValueType pg,
+                   ValueType vts, Instruction inst>
+  : Pat<(vtd (op pg:$Op1, vts:$Op2, (vtd (SVEDup0Undef)))),
+        (inst $Op1, $Op2)>;
+
 // Used to match FP_ROUND_MERGE_PASSTHRU, which has an additional flag for the
 // type of rounding. This is matched by timm0_1 in pattern below and ignored.
 class SVE_1_Op_Passthru_Round_Pat<ValueType vtd, SDPatternOperator op, ValueType pg,
@@ -517,8 +524,6 @@ multiclass SVE_1_Op_PassthruUndef_Round_Pat<ValueType vtd, SDPatternOperator op,
             (inst $Op3, $Op1, $Op2)>;
 }
 
-def SVEDup0 : ComplexPattern<vAny, 0, "SelectDupZero", []>;
-
 class SVE_1_Op_PassthruZero_Pat<ValueType vtd, SDPatternOperator op, ValueType vt1,
                    ValueType vt2, Instruction inst>
    : Pat<(vtd (op (vtd (SVEDup0)), vt1:$Op1, vt2:$Op2)),
@@ -571,6 +576,11 @@ multiclass SVE_3_Op_Undef_Pat<ValueType vtd, SDPatternOperator op, ValueType vt1
             (inst $Op1, $Op2, $Op3)>;
 }
 
+class SVE_3_Op_UndefZero_Pat<ValueType vtd, SDPatternOperator op, ValueType vt1,
+                             ValueType vt2, ValueType vt3, Instruction inst>
+  : Pat<(vtd (op (vt1 (SVEDup0Undef)), vt2:$Op1, vt3:$Op2)),
+        (inst $Op1, $Op2)>;
+
 class SVE_4_Op_Pat<ValueType vtd, SDPatternOperator op, ValueType vt1,
                    ValueType vt2, ValueType vt3, ValueType vt4,
                    Instruction inst>
@@ -606,8 +616,6 @@ class SVE_4_Op_Imm_Pat<ValueType vtd, SDPatternOperator op, ValueType vt1,
 : Pat<(vtd (op vt1:$Op1, vt2:$Op2, vt3:$Op3, (vt4 ImmTy:$Op4))),
       (inst $Op1, $Op2, $Op3, ImmTy:$Op4)>;
 
-def SVEDup0Undef : ComplexPattern<vAny, 0, "SelectDupZeroOrUndef", []>;
-
 let AddedComplexity = 1 in {
 class SVE_3_Op_Pat_SelZero<ValueType vtd, SDPatternOperator op, ValueType vt1,
                    ValueType vt2, ValueType vt3, Instruction inst>
@@ -2850,9 +2858,12 @@ multiclass sve_fp_fcvtntz<string asm> {
   def _DtoS : sve_fp_fcvt2z<0b1110, asm,  ZPR32, ZPR64>;
 }
 
-multiclass sve_fp_fcvtltz<string asm> {
+multiclass sve_fp_fcvtltz<string asm, string op> {
   def _HtoS  : sve_fp_fcvt2z<0b1001, asm,  ZPR32, ZPR16>;
   def _StoD  : sve_fp_fcvt2z<0b1111, asm,  ZPR64, ZPR32>;
+
+  def : SVE_3_Op_UndefZero_Pat<nxv4f32, !cast<SDPatternOperator>(op # _f32f16), nxv4f32, nxv4i1, nxv8f16, !cast<Instruction>(NAME # _HtoS)>;
+  def : SVE_3_Op_UndefZero_Pat<nxv2f64, !cast<SDPatternOperator>(op # _f64f32), nxv2f64, nxv2i1, nxv4f32, !cast<Instruction>(NAME # _StoD)>;
 }
 
 //===----------------------------------------------------------------------===//
@@ -3136,6 +3147,16 @@ multiclass sve_fp_2op_p_zdr<bits<7> opc, string asm,
   defm : SVE_1_Op_PassthruUndef_Round_Pat<vt1, ir_op, vt2, vt3, !cast<Instruction>(NAME # _UNDEF)>;
 }
 
+multiclass sve_fp_2op_p_zd_pat<string op> {
+  defm : SVE_3_Op_Undef_Pat<nxv8f16, !cast<SDPatternOperator>(op # _f16f32), nxv8f16, nxv4i1, nxv4f32, !cast<Instruction>(NAME # _StoH)>;
+  defm : SVE_3_Op_Undef_Pat<nxv8f16, !cast<SDPatternOperator>(op # _f16f64), nxv8f16, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _DtoH)>;
+  defm : SVE_3_Op_Undef_Pat<nxv4f32, !cast<SDPatternOperator>(op # _f32f64), nxv4f32, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _DtoS)>;
+
+  defm : SVE_3_Op_Undef_Pat<nxv4f32, !cast<SDPatternOperator>(op # _f32f16), nxv4f32, nxv4i1, nxv8f16, !cast<Instruction>(NAME # _HtoS)>;
+  defm : SVE_3_Op_Undef_Pat<nxv2f64, !cast<SDPatternOperator>(op # _f64f16), nxv2f64, nxv2i1, nxv8f16, !cast<Instruction>(NAME # _HtoD)>;
+  defm : SVE_3_Op_Undef_Pat<nxv2f64, !cast<SDPatternOperator>(op # _f64f32), nxv2f64, nxv2i1, nxv4f32, !cast<Instruction>(NAME # _StoD)>;
+}
+
 multiclass sve_fp_2op_p_zd_HSD<bits<5> opc, string asm, SDPatternOperator op> {
   def _H : sve_fp_2op_p_zd<{ 0b01, opc }, asm, ZPR16, ZPR16, ElementSizeH>,
            SVEPseudo2Instr<NAME # _H, 1>;
@@ -3259,6 +3280,12 @@ class sve_fp_z2op_p_zd<bits<7> opc,string asm, RegisterOperand i_zprtype,
   let mayRaiseFPException = 1;
 }
 
+multiclass sve_fp_z2op_p_zd<string asm, SDPatternOperator op> {
+  def _DtoS :  sve_fp_z2op_p_zd<0b0001010, asm, ZPR64, ZPR32>;
+
+  def : SVE_3_Op_UndefZero_Pat<nxv4f32, op, nxv4f32, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _DtoS)>;
+}
+
 multiclass sve_fp_z2op_p_zd_hsd<bits<5> opc, string asm> {
   def _H : sve_fp_z2op_p_zd<{ 0b01, opc }, asm, ZPR16, ZPR16>;
   def _S : sve_fp_z2op_p_zd<{ 0b10, opc }, asm, ZPR32, ZPR32>;
@@ -3270,6 +3297,12 @@ multiclass sve_fp_z2op_p_zd_frint<bits<2> opc, string asm> {
   def _D : sve_fp_z2op_p_zd<{ 0b0010, opc{1}, 1, opc{0} }, asm, ZPR64, ZPR64>;
 }
 
+multiclass sve_fp_z2op_p_zd_bfcvt<bits<7> opc, string asm, SDPatternOperator op> {
+  def _StoH : sve_fp_z2op_p_zd<opc, asm, ZPR32, ZPR16>;
+
+  def : SVE_3_Op_UndefZero_Pat<nxv8bf16, op, nxv8bf16, nxv4i1,  nxv4f32, !cast<Instruction>(NAME # _StoH)>;
+}
+
 multiclass sve_fp_z2op_p_zd_d<bit U, string asm> {
   def _HtoH : sve_fp_z2op_p_zd<{ 0b011101, U }, asm, ZPR16, ZPR16>;
   def _HtoS : sve_fp_z2op_p_zd<{ 0b011110, U }, asm, ZPR16, ZPR32>;
@@ -3296,13 +3329,20 @@ multiclass sve_fp_z2op_p_zd_d_flogb<string asm> {
   def _D : sve_fp_z2op_p_zd<0b0011011, asm, ZPR64, ZPR64>;
 }
 
-multiclass sve_fp_z2op_p_zd_b_0<string asm> {
+multiclass sve_fp_z2op_p_zd_b_0<string asm, string op> {
   def _StoH : sve_fp_z2op_p_zd<0b1001000, asm, ZPR32, ZPR16>;
   def _HtoS : sve_fp_z2op_p_zd<0b1001001, asm, ZPR16, ZPR32>;
   def _DtoH : sve_fp_z2op_p_zd<0b1101000, asm, ZPR64, ZPR16>;
   def _HtoD : sve_fp_z2op_p_zd<0b1101001, asm, ZPR16, ZPR64>;
   def _DtoS : sve_fp_z2op_p_zd<0b1101010, asm, ZPR64, ZPR32>;
   def _StoD : sve_fp_z2op_p_zd<0b1101011, asm, ZPR32, ZPR64>;
+
+  def : SVE_3_Op_UndefZero_Pat<nxv8f16, !cast<SDPatternOperator>(op # _f16f32), nxv8f16, nxv4i1, nxv4f32, !cast<Instruction>(NAME # _StoH)>;
+  def : SVE_3_Op_UndefZero_Pat<nxv8f16, !cast<SDPatternOperator>(op # _f16f64), nxv8f16, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _DtoH)>;
+  def : SVE_3_Op_UndefZero_Pat<nxv4f32, !cast<SDPatternOperator>(op # _f32f64), nxv4f32, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _DtoS)>;
+  def : SVE_3_Op_UndefZero_Pat<nxv4f32, !cast<SDPatternOperator>(op # _f32f16), nxv4f32, nxv4i1, nxv8f16, !cast<Instruction>(NAME # _HtoS)>;
+  def : SVE_3_Op_UndefZero_Pat<nxv2f64, !cast<SDPatternOperator>(op # _f64f16), nxv2f64, nxv2i1, nxv8f16, !cast<Instruction>(NAME # _HtoD)>;
+  def : SVE_3_Op_UndefZero_Pat<nxv2f64, !cast<SDPatternOperator>(op # _f64f32), nxv2f64, nxv2i1, nxv4f32, !cast<Instruction>(NAME # _StoD)>;
 }
 
 //===----------------------------------------------------------------------===//
@@ -4820,23 +4860,18 @@ multiclass sve_int_un_pred_arit<bits<3> opc, string asm,
   def : SVE_1_Op_Passthru_Pat<nxv8i16, op, nxv8i1,  nxv8i16, !cast<Instruction>(NAME # _H)>;
   def : SVE_1_Op_Passthru_Pat<nxv4i32, op, nxv4i1,  nxv4i32, !cast<Instruction>(NAME # _S)>;
   def : SVE_1_Op_Passthru_Pat<nxv2i64, op, nxv2i1,  nxv2i64, !cast<Instruction>(NAME # _D)>;
-
-  def _B_UNDEF : PredOneOpPassthruPseudo<NAME # _B, ZPR8>;
-  def _H_UNDEF : PredOneOpPassthruPseudo<NAME # _H, ZPR16>;
-  def _S_UNDEF : PredOneOpPassthruPseudo<NAME # _S, ZPR32>;
-  def _D_UNDEF : PredOneOpPassthruPseudo<NAME # _D, ZPR64>;
-
-  defm : SVE_1_Op_PassthruUndef_Pat<nxv16i8, op, nxv16i1, nxv16i8, !cast<Pseudo>(NAME # _B_UNDEF)>;
-  defm : SVE_1_Op_PassthruUndef_Pat<nxv8i16, op, nxv8i1,  nxv8i16, !cast<Pseudo>(NAME # _H_UNDEF)>;
-  defm : SVE_1_Op_PassthruUndef_Pat<nxv4i32, op, nxv4i1,  nxv4i32, !cast<Pseudo>(NAME # _S_UNDEF)>;
-  defm : SVE_1_Op_PassthruUndef_Pat<nxv2i64, op, nxv2i1,  nxv2i64, !cast<Pseudo>(NAME # _D_UNDEF)>;
 }
 
-multiclass sve_int_un_pred_arit_z<bits<3> opc, string asm> {
+multiclass sve_int_un_pred_arit_z<bits<3> opc, string asm, SDPatternOperator op> {
   def _B : sve_int_un_pred_arit_z<0b00, { opc, 0b0 }, asm, ZPR8>;
   def _H : sve_int_un_pred_arit_z<0b01, { opc, 0b0 }, asm, ZPR16>;
   def _S : sve_int_un_pred_arit_z<0b10, { opc, 0b0 }, asm, ZPR32>;
   def _D : sve_int_un_pred_arit_z<0b11, { opc, 0b0 }, asm, ZPR64>;
+
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv16i8, op, nxv16i1, nxv16i8, !cast<Instruction>(NAME # _B)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv8i16, op, nxv8i1,  nxv8i16, !cast<Instruction>(NAME # _H)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv4i32, op, nxv4i1,  nxv4i32, !cast<Instruction>(NAME # _S)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv2i64, op, nxv2i1,  nxv2i64, !cast<Instruction>(NAME # _D)>;
 }
 
 multiclass sve_int_un_pred_arit_h<bits<3> opc, string asm,
@@ -4950,7 +4985,22 @@ multiclass sve_int_un_pred_arit_bitwise_fp<bits<3> opc, string asm,
   def : SVE_1_Op_Passthru_Pat<nxv4f32, op, nxv4i1, nxv4f32, !cast<Instruction>(NAME # _S)>;
   def : SVE_1_Op_Passthru_Pat<nxv2f32, op, nxv2i1, nxv2f32, !cast<Instruction>(NAME # _S)>;
   def : SVE_1_Op_Passthru_Pat<nxv2f64, op, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _D)>;
+}
+
+multiclass sve_int_un_pred_arit_bitwise_fp_z<bits<3> opc, string asm, SDPatternOperator op> {
+  def _H : sve_int_un_pred_arit_z<0b01, { opc, 0b1 }, asm, ZPR16>;
+  def _S : sve_int_un_pred_arit_z<0b10, { opc, 0b1 }, asm, ZPR32>;
+  def _D : sve_int_un_pred_arit_z<0b11, { opc, 0b1 }, asm, ZPR64>;
+
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv8f16, op, nxv8i1, nxv8f16, !cast<Instruction>(NAME # _H)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv4f16, op, nxv4i1, nxv4f16, !cast<Instruction>(NAME # _H)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv2f16, op, nxv2i1, nxv2f16, !cast<Instruction>(NAME # _H)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv4f32, op, nxv4i1, nxv4f32, !cast<Instruction>(NAME # _S)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv2f32, op, nxv2i1, nxv2f32, !cast<Instruction>(NAME # _S)>;
+  def : SVE_1_Op_PassthruUndefZero_Pat<nxv2f64, op, nxv2i1, nxv2f64, !cast<Instruction>(NAME # _D)>;
+}
 
+multiclass sve_fp_un_pred_arit_hsd<SDPatternOperator op> {
   def _H_UNDEF : PredOneOpPassthruPseudo<NAME # _H, ZPR16>;
   def _S_UNDEF : PredOneOpPassthruPseudo<NAME # _S, ZPR32>;
   def _D_UNDEF : PredOneOpPassthruPseudo<NAME # _D, ZPR64>;
@@ -4963,10 +5013,16 @@ multiclass sve_int_un_pred_arit_bitwise_fp<bits<3> opc, string asm,
   defm : SVE_1_Op_PassthruUndef_Pat<nxv2f64, op, nxv2i1, nxv2f64, !cast<Pseudo>(NAME # _D_UNDEF)>;
 }
 
-multiclass sve_int_un_pred_arit_bitwise_fp_z<bits<3> opc, string asm> {
-  def _H : sve_int_un_pred_arit_z<0b01, { opc, 0b1 }, asm, ZPR16>;
-  def _S : sve_int_un_pred_arit_z<0b10, { opc, 0b1 }, asm, ZPR32>;
-  def _D : sve_int_un_pred_arit_z<0b11, { opc, 0b1 }, asm, ZPR64>;
+multiclass sve_int_un_pred_arit_bhsd<SDPatternOperator op> {
+  def _B_UNDEF : PredOneOpPassthruPseudo<NAME # _B, ZPR8>;
+  def _H_UNDEF : PredOneOpPassthruPseudo<NAME # _H, ZPR16>;
+  def _S_UNDEF : PredOneOpPassthruPseudo<NAME # _S, ZPR32>;
+  def _D_UNDEF : PredOneOpPassthruPseudo<NAME # _D, ZPR64>;
+
+  defm : SVE_1_Op_PassthruUndef_Pat<nxv16i8, op, nxv16i1, nxv16i8, !cast<Pseudo>(NAME # _B_UNDEF)>;
+  defm : SVE_1_Op_PassthruUndef_Pat<nxv8i16, op, nxv8i1,  nxv8i16, !cast<Pseudo>(NAME # _H_UNDEF)>;
+  defm : SVE_1_Op_PassthruUndef_Pat<nxv4i32, op, nxv4i1,  nxv4i32, !cast<Pseudo>(NAME # _S_UNDEF)>;
+  defm : SVE_1_Op_PassthruUndef_Pat<nxv2i64, op, nxv2i1,  nxv2i64, !cast<Pseudo>(NAME # _D_UNDEF)>;
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/test/CodeGen/AArch64/zeroing-forms-abs-neg.ll b/llvm/test/CodeGen/AArch64/zeroing-forms-abs-neg.ll
new file mode 100644
index 0000000000000..1caee994220f0
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/zeroing-forms-abs-neg.ll
@@ -0,0 +1,666 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mattr=+sve    < %s | FileCheck %s
+; RUN: llc -mattr=+sve2p2 < %s | FileCheck %s -check-prefix CHECK-2p2
+
+; RUN: llc -mattr=+sme    -force-streaming < %s | FileCheck %s
+; RUN: llc -mattr=+sme2p2 -force-streaming < %s | FileCheck %s -check-prefix CHECK-2p2
+
+target triple = "aarch64-linux"
+
+define <vscale x 2 x double> @test_svabs_f64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svabs_f64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fabs z0.d, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.d, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fabs.nxv2f64(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svabs_f64_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svabs_f64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    fabs z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fabs.nxv2f64(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svabs_f64_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svabs_f64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    fabs z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fabs.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 4 x float> @test_svabs_f32_x_1(<vscale x 4 x i1> %pg, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svabs_f32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fabs z0.s, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.s, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fabs.nxv4f32(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svabs_f32_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svabs_f32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    fabs z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fabs.nxv4f32(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svabs_f32_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svabs_f32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    fabs z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fabs.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 8 x half> @test_svabs_f16_x_1(<vscale x 8 x i1> %pg, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svabs_f16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fabs z0.h, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.h, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fabs.nxv8f16(<vscale x 8 x half> undef, <vscale x 8 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svabs_f16_x_2(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svabs_f16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    fabs z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fabs.nxv8f16(<vscale x 8 x half> undef, <vscale x 8 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svabs_f16_z(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svabs_f16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    fabs z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_f16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fabs z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fabs.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 16 x i8> @test_svabs_s8_x_1(<vscale x 16 x i1> %pg, <vscale x 16 x i8> %x) {
+; CHECK-LABEL: test_svabs_s8_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    abs z0.b, p0/m, z0.b
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s8_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.b, p0/z, z0.b
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.abs.nxv16i8(<vscale x 16 x i8> undef, <vscale x 16 x i1> %pg, <vscale x 16 x i8> %x)
+  ret <vscale x 16 x i8> %0
+}
+
+define <vscale x 16 x i8> @test_svabs_s8_x_2(<vscale x 16 x i1> %pg, double %z0, <vscale x 16 x i8> %x) {
+; CHECK-LABEL: test_svabs_s8_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    abs z0.b, p0/m, z1.b
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s8_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.b, p0/z, z1.b
+; CHECK-2p2-NEXT:    ret
+entry:
+  %1 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.abs.nxv16i8(<vscale x 16 x i8> undef, <vscale x 16 x i1> %pg, <vscale x 16 x i8> %x)
+  ret <vscale x 16 x i8> %1
+}
+
+define <vscale x 16 x i8> @test_svabs_s8_z(<vscale x 16 x i1> %pg, double %z0, <vscale x 16 x i8> %x) {
+; CHECK-LABEL: test_svabs_s8_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.b, #0 // =0x0
+; CHECK-NEXT:    abs z0.b, p0/m, z1.b
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s8_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.b, p0/z, z1.b
+; CHECK-2p2-NEXT:    ret
+entry:
+  %1 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.abs.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i1> %pg, <vscale x 16 x i8> %x)
+  ret <vscale x 16 x i8> %1
+}
+
+define <vscale x 8 x i16> @test_svabs_s16_x_1(<vscale x 8 x i1> %pg, <vscale x 8 x i16> %x) {
+; CHECK-LABEL: test_svabs_s16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    abs z0.h, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.h, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.abs.nxv8i16(<vscale x 8 x i16> undef, <vscale x 8 x i1> %pg, <vscale x 8 x i16> %x)
+  ret <vscale x 8 x i16> %0
+}
+
+define <vscale x 8 x i16> @test_svabs_s16_x_2(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x i16> %x) {
+; CHECK-LABEL: test_svabs_s16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    abs z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.abs.nxv8i16(<vscale x 8 x i16> undef, <vscale x 8 x i1> %pg, <vscale x 8 x i16> %x)
+  ret <vscale x 8 x i16> %0
+}
+
+define <vscale x 8 x i16> @test_svabs_s16_z(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x i16> %x) {
+; CHECK-LABEL: test_svabs_s16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    abs z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.abs.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i1> %pg, <vscale x 8 x i16> %x)
+  ret <vscale x 8 x i16> %0
+}
+
+define <vscale x 4 x i32> @test_svabs_s32_x_1(<vscale x 4 x i1> %pg, <vscale x 4 x i32> %x) {
+; CHECK-LABEL: test_svabs_s32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    abs z0.s, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.s, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x i32> @llvm.aarch64.sve.abs.nxv4i32(<vscale x 4 x i32> undef, <vscale x 4 x i1> %pg, <vscale x 4 x i32> %x)
+  ret <vscale x 4 x i32> %0
+}
+
+define <vscale x 4 x i32> @test_svabs_s32_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x i32> %x) {
+; CHECK-LABEL: test_svabs_s32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    abs z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x i32> @llvm.aarch64.sve.abs.nxv4i32(<vscale x 4 x i32> undef, <vscale x 4 x i1> %pg, <vscale x 4 x i32> %x)
+  ret <vscale x 4 x i32> %0
+}
+
+define <vscale x 4 x i32> @test_svabs_s32_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x i32> %x) {
+; CHECK-LABEL: test_svabs_s32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    abs z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x i32> @llvm.aarch64.sve.abs.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 4 x i32> %x)
+  ret <vscale x 4 x i32> %0
+}
+
+define <vscale x 2 x i64> @test_svabs_s64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %x) {
+; CHECK-LABEL: test_svabs_s64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    abs z0.d, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.d, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x i64> @llvm.aarch64.sve.abs.nxv2i64(<vscale x 2 x i64> undef, <vscale x 2 x i1> %pg, <vscale x 2 x i64> %x)
+  ret <vscale x 2 x i64> %0
+}
+
+define <vscale x 2 x i64> @test_svabs_s64_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x i64> %x) {
+; CHECK-LABEL: test_svabs_s64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    abs z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x i64> @llvm.aarch64.sve.abs.nxv2i64(<vscale x 2 x i64> undef, <vscale x 2 x i1> %pg, <vscale x 2 x i64> %x)
+  ret <vscale x 2 x i64> %0
+}
+
+define <vscale x 2 x i64> @test_svabs_s64_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x i64> %x) {
+; CHECK-LABEL: test_svabs_s64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    abs z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svabs_s64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    abs z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x i64> @llvm.aarch64.sve.abs.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x i64> %x)
+  ret <vscale x 2 x i64> %0
+}
+
+define <vscale x 2 x double> @test_svneg_f64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svneg_f64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fneg z0.d, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.d, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fneg.nxv2f64(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svneg_f64_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svneg_f64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    fneg z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fneg.nxv2f64(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svneg_f64_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svneg_f64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    fneg z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fneg.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 4 x float> @test_svneg_f32_x_1(<vscale x 4 x i1> %pg, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svneg_f32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.s, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fneg.nxv4f32(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svneg_f32_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svneg_f32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    fneg z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fneg.nxv4f32(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svneg_f32_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svneg_f32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    fneg z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fneg.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 8 x half> @test_svneg_f16_x_1(<vscale x 8 x i1> %pg, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svneg_f16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.h, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fneg.nxv8f16(<vscale x 8 x half> undef, <vscale x 8 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svneg_f16_x_2(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svneg_f16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    fneg z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fneg.nxv8f16(<vscale x 8 x half> undef, <vscale x 8 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svneg_f16_z(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svneg_f16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    fneg z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_f16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fneg z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fneg.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 16 x i8> @test_svneg_s8_x_1(<vscale x 16 x i1> %pg, <vscale x 16 x i8> %x) {
+; CHECK-LABEL: test_svneg_s8_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    neg z0.b, p0/m, z0.b
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s8_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.b, p0/z, z0.b
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.neg.nxv16i8(<vscale x 16 x i8> undef, <vscale x 16 x i1> %pg, <vscale x 16 x i8> %x)
+  ret <vscale x 16 x i8> %0
+}
+
+define <vscale x 16 x i8> @test_svneg_s8_x_2(<vscale x 16 x i1> %pg, double %z0, <vscale x 16 x i8> %x) {
+; CHECK-LABEL: test_svneg_s8_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    neg z0.b, p0/m, z1.b
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s8_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.b, p0/z, z1.b
+; CHECK-2p2-NEXT:    ret
+entry:
+  %1 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.neg.nxv16i8(<vscale x 16 x i8> undef, <vscale x 16 x i1> %pg, <vscale x 16 x i8> %x)
+  ret <vscale x 16 x i8> %1
+}
+
+define <vscale x 16 x i8> @test_svneg_s8_z(<vscale x 16 x i1> %pg, double %z0, <vscale x 16 x i8> %x) {
+; CHECK-LABEL: test_svneg_s8_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.b, #0 // =0x0
+; CHECK-NEXT:    neg z0.b, p0/m, z1.b
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s8_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.b, p0/z, z1.b
+; CHECK-2p2-NEXT:    ret
+entry:
+  %1 = tail call <vscale x 16 x i8> @llvm.aarch64.sve.neg.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i1> %pg, <vscale x 16 x i8> %x)
+  ret <vscale x 16 x i8> %1
+}
+
+define <vscale x 8 x i16> @test_svneg_s16_x_1(<vscale x 8 x i1> %pg, <vscale x 8 x i16> %x) {
+; CHECK-LABEL: test_svneg_s16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    neg z0.h, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.h, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.neg.nxv8i16(<vscale x 8 x i16> undef, <vscale x 8 x i1> %pg, <vscale x 8 x i16> %x)
+  ret <vscale x 8 x i16> %0
+}
+
+define <vscale x 8 x i16> @test_svneg_s16_x_2(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x i16> %x) {
+; CHECK-LABEL: test_svneg_s16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    neg z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.neg.nxv8i16(<vscale x 8 x i16> undef, <vscale x 8 x i1> %pg, <vscale x 8 x i16> %x)
+  ret <vscale x 8 x i16> %0
+}
+
+define <vscale x 8 x i16> @test_svneg_s16_z(<vscale x 8 x i1> %pg, double %z0, <vscale x 8 x i16> %x) {
+; CHECK-LABEL: test_svneg_s16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    neg z0.h, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.h, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x i16> @llvm.aarch64.sve.neg.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i1> %pg, <vscale x 8 x i16> %x)
+  ret <vscale x 8 x i16> %0
+}
+
+define <vscale x 4 x i32> @test_svneg_s32_x_1(<vscale x 4 x i1> %pg, <vscale x 4 x i32> %x) {
+; CHECK-LABEL: test_svneg_s32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    neg z0.s, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.s, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x i32> @llvm.aarch64.sve.neg.nxv4i32(<vscale x 4 x i32> undef, <vscale x 4 x i1> %pg, <vscale x 4 x i32> %x)
+  ret <vscale x 4 x i32> %0
+}
+
+define <vscale x 4 x i32> @test_svneg_s32_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x i32> %x) {
+; CHECK-LABEL: test_svneg_s32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    neg z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x i32> @llvm.aarch64.sve.neg.nxv4i32(<vscale x 4 x i32> undef, <vscale x 4 x i1> %pg, <vscale x 4 x i32> %x)
+  ret <vscale x 4 x i32> %0
+}
+
+define <vscale x 4 x i32> @test_svneg_s32_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x i32> %x) {
+; CHECK-LABEL: test_svneg_s32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    neg z0.s, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.s, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x i32> @llvm.aarch64.sve.neg.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 4 x i32> %x)
+  ret <vscale x 4 x i32> %0
+}
+
+define <vscale x 2 x i64> @test_svneg_s64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %x) {
+; CHECK-LABEL: test_svneg_s64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    neg z0.d, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.d, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x i64> @llvm.aarch64.sve.neg.nxv2i64(<vscale x 2 x i64> undef, <vscale x 2 x i1> %pg, <vscale x 2 x i64> %x)
+  ret <vscale x 2 x i64> %0
+}
+
+define <vscale x 2 x i64> @test_svneg_s64_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x i64> %x) {
+; CHECK-LABEL: test_svneg_s64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    movprfx z0, z1
+; CHECK-NEXT:    neg z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x i64> @llvm.aarch64.sve.neg.nxv2i64(<vscale x 2 x i64> undef, <vscale x 2 x i1> %pg, <vscale x 2 x i64> %x)
+  ret <vscale x 2 x i64> %0
+}
+
+define <vscale x 2 x i64> @test_svneg_s64_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x i64> %x) {
+; CHECK-LABEL: test_svneg_s64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    neg z0.d, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svneg_s64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    neg z0.d, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x i64> @llvm.aarch64.sve.neg.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x i64> %x)
+  ret <vscale x 2 x i64> %0
+}
diff --git a/llvm/test/CodeGen/AArch64/zeroing-forms-fcvt-bfcvt.ll b/llvm/test/CodeGen/AArch64/zeroing-forms-fcvt-bfcvt.ll
new file mode 100644
index 0000000000000..cf9ac49ca7b23
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/zeroing-forms-fcvt-bfcvt.ll
@@ -0,0 +1,330 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mattr=+sve,+bf16    < %s | FileCheck %s
+; RUN: llc -mattr=+sve2p2,+bf16 < %s | FileCheck %s -check-prefix CHECK-2p2
+
+; RUN: llc -mattr=+sme,+bf16    -force-streaming < %s | FileCheck %s
+; RUN: llc -mattr=+sme2p2,+bf16 -force-streaming < %s | FileCheck %s -check-prefix CHECK-2p2
+
+target triple = "aarch64-linux"
+
+define <vscale x 8 x half> @test_svcvt_f16_f32_x_1(<vscale x 4 x i1> %pg, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_f16_f32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.h, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f16_f32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.h, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fcvt.f16f32(<vscale x 8 x half> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svcvt_f16_f32_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_f16_f32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.h, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f16_f32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.h, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fcvt.f16f32(<vscale x 8 x half> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svcvt_f16_f32_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_f16_f32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    fcvt z0.h, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f16_f32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.h, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fcvt.f16f32(<vscale x 8 x half> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x bfloat> @test_svcvt_bf16_f32_x_1(<vscale x 4 x i1> %pg, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_bf16_f32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    bfcvt z0.h, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_bf16_f32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    bfcvt z0.h, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x bfloat> @llvm.aarch64.sve.fcvt.bf16f32.v2(<vscale x 8 x bfloat> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 8 x bfloat> %0
+}
+
+define <vscale x 8 x bfloat> @test_svcvt_bf16_f32_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_bf16_f32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    bfcvt z0.h, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_bf16_f32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    bfcvt z0.h, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x bfloat> @llvm.aarch64.sve.fcvt.bf16f32.v2(<vscale x 8 x bfloat> undef, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 8 x bfloat> %0
+}
+
+define <vscale x 8 x bfloat> @test_svcvt_bf16_f32_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_bf16_f32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    bfcvt z0.h, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_bf16_f32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    bfcvt z0.h, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x bfloat> @llvm.aarch64.sve.fcvt.bf16f32.v2(<vscale x 8 x bfloat> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 8 x bfloat> %0
+}
+
+define <vscale x 8 x half> @test_svcvt_f16_f64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvt_f16_f64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.h, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f16_f64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.h, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fcvt.f16f64(<vscale x 8 x half> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svcvt_f16_f64_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvt_f16_f64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.h, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f16_f64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.h, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fcvt.f16f64(<vscale x 8 x half> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 8 x half> @test_svcvt_f16_f64_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvt_f16_f64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.h, #0 // =0x0
+; CHECK-NEXT:    fcvt z0.h, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f16_f64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.h, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 8 x half> @llvm.aarch64.sve.fcvt.f16f64(<vscale x 8 x half> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 8 x half> %0
+}
+
+define <vscale x 4 x float> @test_svcvt_f32_f64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvt_f32_f64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.s, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f32_f64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.s, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvt.f32f64(<vscale x 4 x float> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvt_f32_f64_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvt_f32_f64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.s, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f32_f64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.s, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvt.f32f64(<vscale x 4 x float> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvt_f32_f64_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvt_f32_f64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    fcvt z0.s, p0/m, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f32_f64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.s, p0/z, z1.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvt.f32f64(<vscale x 4 x float> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvt_f32_f16_x_1(<vscale x 4 x i1> %pg, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvt_f32_f16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.s, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f32_f16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.s, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvt.f32f16(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvt_f32_f16_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvt_f32_f16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.s, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f32_f16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.s, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvt.f32f16(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvt_f32_f16_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvt_f32_f16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    fcvt z0.s, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f32_f16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.s, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvt.f32f16(<vscale x 4 x float> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 2 x double> @test_svcvt_f64_f16_x_1(<vscale x 2 x i1> %pg, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvt_f64_f16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.d, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f64_f16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.d, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvt.f64f16(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvt_f64_f16_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvt_f64_f16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.d, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f64_f16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.d, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvt.f64f16(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvt_f64_f16_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvt_f64_f16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    fcvt z0.d, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f64_f16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.d, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvt.f64f16(<vscale x 2 x double> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvt_f64_f32_x_1(<vscale x 2 x i1> %pg, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_f64_f32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.d, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f64_f32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.d, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvt.f64f32(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvt_f64_f32_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_f64_f32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvt z0.d, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f64_f32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.d, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvt.f64f32(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvt_f64_f32_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvt_f64_f32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    fcvt z0.d, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvt_f64_f32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvt z0.d, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvt.f64f32(<vscale x 2 x double> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 2 x double> %0
+}
diff --git a/llvm/test/CodeGen/AArch64/zeroing-forms-fcvtlt-fcvtx.ll b/llvm/test/CodeGen/AArch64/zeroing-forms-fcvtlt-fcvtx.ll
new file mode 100644
index 0000000000000..d2a948ce60f4a
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/zeroing-forms-fcvtlt-fcvtx.ll
@@ -0,0 +1,147 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mattr=+sve2   < %s | FileCheck %s
+; RUN: llc -mattr=+sve2p2 < %s | FileCheck %s -check-prefix CHECK-2p2
+
+; RUN: llc -mattr=+sme2   -force-streaming < %s | FileCheck %s
+; RUN: llc -mattr=+sme2p2 -force-streaming < %s | FileCheck %s -check-prefix CHECK-2p2
+
+target triple = "aarch64-linux"
+
+define <vscale x 4 x float> @test_svcvtlt_f32_f16_x_1(<vscale x 4 x i1> %pg, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvtlt_f32_f16_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvtlt z0.s, p0/m, z0.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtlt_f32_f16_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtlt z0.s, p0/z, z0.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvtlt.f32f16(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvtlt_f32_f16_x_2(<vscale x 4 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvtlt_f32_f16_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvtlt z0.s, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtlt_f32_f16_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtlt z0.s, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvtlt.f32f16(<vscale x 4 x float> undef, <vscale x 4 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvtlt_f32_f16_z(<vscale x 4 x i1> %pg, double %z0, <vscale x 8 x half> %x) {
+; CHECK-LABEL: test_svcvtlt_f32_f16_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.s, #0 // =0x0
+; CHECK-NEXT:    fcvtlt z0.s, p0/m, z1.h
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtlt_f32_f16_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtlt z0.s, p0/z, z1.h
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvtlt.f32f16(<vscale x 4 x float> zeroinitializer, <vscale x 4 x i1> %pg, <vscale x 8 x half> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 2 x double> @test_svcvtlt_f64_f32_x_1(<vscale x 2 x i1> %pg, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvtlt_f64_f32_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvtlt z0.d, p0/m, z0.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtlt_f64_f32_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtlt z0.d, p0/z, z0.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvtlt.f64f32(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvtlt_f64_f32_x_2(<vscale x 2 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvtlt_f64_f32_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvtlt z0.d, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtlt_f64_f32_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtlt z0.d, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvtlt.f64f32(<vscale x 2 x double> undef, <vscale x 2 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 2 x double> @test_svcvtlt_f64_f32_z(<vscale x 2 x i1> %pg, double %z0, <vscale x 4 x float> %x) {
+; CHECK-LABEL: test_svcvtlt_f64_f32_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z0.d, #0 // =0x0
+; CHECK-NEXT:    fcvtlt z0.d, p0/m, z1.s
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtlt_f64_f32_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtlt z0.d, p0/z, z1.s
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 2 x double> @llvm.aarch64.sve.fcvtlt.f64f32(<vscale x 2 x double> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 4 x float> %x)
+  ret <vscale x 2 x double> %0
+}
+
+define <vscale x 4 x float> @test_svcvtx_f32_f64_x_1(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvtx_f32_f64_x_1:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvtx z0.s, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtx_f32_f64_x_1:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtx z0.s, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvtx.f32f64(<vscale x 4 x float> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvtx_f32_f64_x_2(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvtx_f32_f64_x_2:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    fcvtx z0.s, p0/m, z0.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtx_f32_f64_x_2:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtx z0.s, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvtx.f32f64(<vscale x 4 x float> undef, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 4 x float> %0
+}
+
+define <vscale x 4 x float> @test_svcvtx_f32_f64_z(<vscale x 2 x i1> %pg, <vscale x 2 x double> %x) {
+; CHECK-LABEL: test_svcvtx_f32_f64_z:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    mov z1.s, #0 // =0x0
+; CHECK-NEXT:    fcvtx z1.s, p0/m, z0.d
+; CHECK-NEXT:    mov z0.d, z1.d
+; CHECK-NEXT:    ret
+;
+; CHECK-2p2-LABEL: test_svcvtx_f32_f64_z:
+; CHECK-2p2:       // %bb.0: // %entry
+; CHECK-2p2-NEXT:    fcvtx z0.s, p0/z, z0.d
+; CHECK-2p2-NEXT:    ret
+entry:
+  %0 = tail call <vscale x 4 x float> @llvm.aarch64.sve.fcvtx.f32f64(<vscale x 4 x float> zeroinitializer, <vscale x 2 x i1> %pg, <vscale x 2 x double> %x)
+  ret <vscale x 4 x float> %0
+}