Index: llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
+++ llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
@@ -495,6 +495,10 @@
   // so the Destructive Operand must be unique.
   bool DOPRegIsUnique = false;
   switch (DType) {
+  case AArch64::DestructiveBinary:
+    // Don't check the SrcIdx for DOPRegIsUnique to avoid the crash
+    DOPRegIsUnique = DstReg == MI.getOperand(DOPIdx).getReg();
+    break;
   case AArch64::DestructiveBinaryComm:
   case AArch64::DestructiveBinaryCommWithRev:
     DOPRegIsUnique =
@@ -527,23 +531,27 @@
 
   // Get the right MOVPRFX
   uint64_t ElementSize = TII->getElementSizeForOpcode(Opcode);
-  unsigned MovPrfx, MovPrfxZero;
+  unsigned MovPrfx, AddZero, MovPrfxZero;
   switch (ElementSize) {
   case AArch64::ElementSizeNone:
   case AArch64::ElementSizeB:
     MovPrfx = AArch64::MOVPRFX_ZZ;
+    AddZero = AArch64::ADD_ZI_B;
     MovPrfxZero = AArch64::MOVPRFX_ZPzZ_B;
     break;
   case AArch64::ElementSizeH:
     MovPrfx = AArch64::MOVPRFX_ZZ;
+    AddZero = AArch64::ADD_ZI_H;
     MovPrfxZero = AArch64::MOVPRFX_ZPzZ_H;
     break;
   case AArch64::ElementSizeS:
     MovPrfx = AArch64::MOVPRFX_ZZ;
+    AddZero = AArch64::ADD_ZI_S;
     MovPrfxZero = AArch64::MOVPRFX_ZPzZ_S;
     break;
   case AArch64::ElementSizeD:
     MovPrfx = AArch64::MOVPRFX_ZZ;
+    AddZero = AArch64::ADD_ZI_D;
     MovPrfxZero = AArch64::MOVPRFX_ZPzZ_D;
     break;
   default:
@@ -553,7 +561,7 @@
   //
   // Create the destructive operation (if required)
   //
-  MachineInstrBuilder PRFX, DOP;
+  MachineInstrBuilder PRFX, DOP, ADD;
   if (FalseZero) {
 #ifndef NDEBUG
     assert(DOPRegIsUnique && "The destructive operand should be unique");
@@ -579,6 +587,18 @@
     DOPIdx = 0;
   }
 
+  // Create the additional ADD to zero the lanes when the DstReg is not unique.
+  // Zeros the lanes in z0 that aren't active in p0 with sequence movprfx
+  // z0.b, p0/z, z0.b; add z0.b, z0.b, #0;
+  if (DType == AArch64::DestructiveBinary &&
+      DstReg == MI.getOperand(SrcIdx).getReg()) {
+    ADD = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(AddZero))
+              .addReg(DstReg, RegState::Define)
+              .addReg(DstReg)
+              .addImm(0)
+              .addImm(0);
+  }
+
   //
   // Create the destructive operation
   //
@@ -591,6 +611,7 @@
         .add(MI.getOperand(PredIdx))
         .add(MI.getOperand(SrcIdx));
     break;
+  case AArch64::DestructiveBinary:
   case AArch64::DestructiveBinaryImm:
   case AArch64::DestructiveBinaryComm:
   case AArch64::DestructiveBinaryCommWithRev:
Index: llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
===================================================================
--- llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
+++ llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
@@ -433,7 +433,7 @@
   defm ORR_ZPZZ  : sve_int_bin_pred_zeroing_bhsd<int_aarch64_sve_orr>;
   defm EOR_ZPZZ  : sve_int_bin_pred_zeroing_bhsd<int_aarch64_sve_eor>;
   defm AND_ZPZZ  : sve_int_bin_pred_zeroing_bhsd<int_aarch64_sve_and>;
-  defm BIC_ZPZZ  : sve_int_bin_pred_zeroing_bhsd<null_frag>;
+  defm BIC_ZPZZ  : sve_int_bin_pred_zeroing_bhsd<int_aarch64_sve_bic>;
 } // End HasSVEorSME, UseExperimentalZeroingPseudos
 
 let Predicates = [HasSVEorSME] in {
Index: llvm/test/CodeGen/AArch64/sve-intrinsics-int-arith-merging.ll
===================================================================
--- llvm/test/CodeGen/AArch64/sve-intrinsics-int-arith-merging.ll
+++ llvm/test/CodeGen/AArch64/sve-intrinsics-int-arith-merging.ll
@@ -344,8 +344,7 @@
 define <vscale x 16 x i8> @bic_i8_zero(<vscale x 16 x i1> %pg, <vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
 ; CHECK-LABEL: bic_i8_zero:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z2.b, #0 // =0x0
-; CHECK-NEXT:    sel z0.b, p0, z0.b, z2.b
+; CHECK-NEXT:    movprfx z0.b, p0/z, z0.b
 ; CHECK-NEXT:    bic z0.b, p0/m, z0.b, z1.b
 ; CHECK-NEXT:    ret
   %a_z = select <vscale x 16 x i1> %pg, <vscale x 16 x i8> %a, <vscale x 16 x i8> zeroinitializer
@@ -358,8 +357,7 @@
 define <vscale x 8 x i16> @bic_i16_zero(<vscale x 8 x i1> %pg, <vscale x 8 x i16> %a, <vscale x 8 x i16> %b) {
 ; CHECK-LABEL: bic_i16_zero:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z2.h, #0 // =0x0
-; CHECK-NEXT:    sel z0.h, p0, z0.h, z2.h
+; CHECK-NEXT:    movprfx z0.h, p0/z, z0.h
 ; CHECK-NEXT:    bic z0.h, p0/m, z0.h, z1.h
 ; CHECK-NEXT:    ret
   %a_z = select <vscale x 8 x i1> %pg, <vscale x 8 x i16> %a, <vscale x 8 x i16> zeroinitializer
@@ -372,8 +370,7 @@
 define <vscale x 4 x i32> @bic_i32_zero(<vscale x 4 x i1> %pg, <vscale x 4 x i32> %a, <vscale x 4 x i32> %b) {
 ; CHECK-LABEL: bic_i32_zero:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z2.s, #0 // =0x0
-; CHECK-NEXT:    sel z0.s, p0, z0.s, z2.s
+; CHECK-NEXT:    movprfx z0.s, p0/z, z0.s
 ; CHECK-NEXT:    bic z0.s, p0/m, z0.s, z1.s
 ; CHECK-NEXT:    ret
   %a_z = select <vscale x 4 x i1> %pg, <vscale x 4 x i32> %a, <vscale x 4 x i32> zeroinitializer
@@ -386,8 +383,7 @@
 define <vscale x 2 x i64> @bic_i64_zero(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %a, <vscale x 2 x i64> %b) {
 ; CHECK-LABEL: bic_i64_zero:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z2.d, #0 // =0x0
-; CHECK-NEXT:    sel z0.d, p0, z0.d, z2.d
+; CHECK-NEXT:    movprfx z0.d, p0/z, z0.d
 ; CHECK-NEXT:    bic z0.d, p0/m, z0.d, z1.d
 ; CHECK-NEXT:    ret
   %a_z = select <vscale x 2 x i1> %pg, <vscale x 2 x i64> %a, <vscale x 2 x i64> zeroinitializer
@@ -397,6 +393,39 @@
   ret <vscale x 2 x i64> %out
 }
 
+; BIC (i.e. A & ~A) is illegal operation with movprfx, so the codegen depend on IR before expand-pseudo
+define <vscale x 2 x i64> @bic_i64_zero_no_unique_reg(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %a) {
+; CHECK-LABEL: bic_i64_zero_no_unique_reg:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov z1.d, #0 // =0x0
+; CHECK-NEXT:    mov z1.d, p0/m, z0.d
+; CHECK-NEXT:    movprfx z0.d, p0/z, z0.d
+; CHECK-NEXT:    bic z0.d, p0/m, z0.d, z1.d
+; CHECK-NEXT:    ret
+  %a_z = select <vscale x 2 x i1> %pg, <vscale x 2 x i64> %a, <vscale x 2 x i64> zeroinitializer
+  %out = call <vscale x 2 x i64> @llvm.aarch64.sve.bic.nxv2i64(<vscale x 2 x i1> %pg,
+                                                               <vscale x 2 x i64> %a_z,
+                                                               <vscale x 2 x i64> %a_z)
+  ret <vscale x 2 x i64> %out
+}
+
+; BIC (i.e. A & ~B) is not a commutative operation, so disable it when the
+; destination operand is not the destructive operand
+define <vscale x 2 x i64> @bic_i64_zero_no_comm(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %a, <vscale x 2 x i64> %b) {
+; CHECK-LABEL: bic_i64_zero_no_comm:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    mov z2.d, #0 // =0x0
+; CHECK-NEXT:    sel z0.d, p0, z0.d, z2.d
+; CHECK-NEXT:    bic z1.d, p0/m, z1.d, z0.d
+; CHECK-NEXT:    mov z0.d, z1.d
+; CHECK-NEXT:    ret
+  %a_z = select <vscale x 2 x i1> %pg, <vscale x 2 x i64> %a, <vscale x 2 x i64> zeroinitializer
+  %out = call <vscale x 2 x i64> @llvm.aarch64.sve.bic.nxv2i64(<vscale x 2 x i1> %pg,
+                                                               <vscale x 2 x i64> %b,
+                                                               <vscale x 2 x i64> %a_z)
+  ret <vscale x 2 x i64> %out
+}
+
 declare <vscale x 16 x i8> @llvm.aarch64.sve.add.nxv16i8(<vscale x 16 x i1>, <vscale x 16 x i8>, <vscale x 16 x i8>)
 declare <vscale x 8 x i16> @llvm.aarch64.sve.add.nxv8i16(<vscale x 8 x i1>, <vscale x 8 x i16>, <vscale x 8 x i16>)
 declare <vscale x 4 x i32> @llvm.aarch64.sve.add.nxv4i32(<vscale x 4 x i1>, <vscale x 4 x i32>, <vscale x 4 x i32>)