[fixup] Rebase, update tests, add tests for the new all-true patterns, change undef to poison

Author: momchil-velikov

llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td

@@ -4318,7 +4318,7 @@ let Predicates = [HasSVE2p2orSME2p2] in {
   defm CLZ_ZPzZ  : sve_int_un_pred_arit_bitwise_z<0b001,  "clz", AArch64clz_mt>;
   defm CNT_ZPzZ  : sve_int_un_pred_arit_bitwise_z<0b010,  "cnt", AArch64cnt_mt>;
   defm CNOT_ZPzZ : sve_int_un_pred_arit_bitwise_z<0b011, "cnot", AArch64cnot_mt>;
-  defm NOT_ZPzZ  : sve_int_un_pred_arit_bitwise_z<0b110, " not", AArch64not_mt>;
+  defm NOT_ZPzZ  : sve_int_un_pred_arit_bitwise_z<0b110,  "not", AArch64not_mt>;
 
   // floating point
   defm FABS_ZPzZ : sve_int_un_pred_arit_bitwise_fp_z<0b100, "fabs", AArch64fabs_mt>;

llvm/lib/Target/AArch64/SVEInstrFormats.td

@@ -4972,10 +4972,10 @@ multiclass sve_int_un_pred_arit_bitwise_z<bits<3> opc, string asm, SDPatternOper
   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<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)>;
+  defm : SVE_1_Op_PassthruUndefZero_Pat<nxv16i8, op, nxv16i1, nxv16i8, !cast<Instruction>(NAME # _B)>;
+  defm : SVE_1_Op_PassthruUndefZero_Pat<nxv8i16, op, nxv8i1,  nxv8i16, !cast<Instruction>(NAME # _H)>;
+  defm : SVE_1_Op_PassthruUndefZero_Pat<nxv4i32, op, nxv4i1,  nxv4i32, !cast<Instruction>(NAME # _S)>;
+  defm : SVE_1_Op_PassthruUndefZero_Pat<nxv2i64, op, nxv2i1,  nxv2i64, !cast<Instruction>(NAME # _D)>;
 }
 
 multiclass sve_int_un_pred_arit_bitwise_fp<bits<3> opc, string asm,