diff --git a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
--- a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -336,31 +336,58 @@
 { ARM::VST1LNq8Pseudo_UPD,  ARM::VST1LNd8_UPD, false, true, true,  EvenDblSpc, 1, 8 ,true},
 
 { ARM::VST1d16QPseudo,      ARM::VST1d16Q,     false, false, false, SingleSpc,  4, 4 ,false},
+{ ARM::VST1d16QPseudoWB_fixed,  ARM::VST1d16Qwb_fixed, false, true, false, SingleSpc,  4, 4 ,false},
+{ ARM::VST1d16QPseudoWB_register, ARM::VST1d16Qwb_register, false, true, true, SingleSpc,  4, 4 ,false},
 { ARM::VST1d16TPseudo,      ARM::VST1d16T,     false, false, false, SingleSpc,  3, 4 ,false},
+{ ARM::VST1d16TPseudoWB_fixed,  ARM::VST1d16Twb_fixed, false, true, false, SingleSpc,  3, 4 ,false},
+{ ARM::VST1d16TPseudoWB_register, ARM::VST1d16Twb_register, false, true, true, SingleSpc,  3, 4 ,false},
+
 { ARM::VST1d32QPseudo,      ARM::VST1d32Q,     false, false, false, SingleSpc,  4, 2 ,false},
+{ ARM::VST1d32QPseudoWB_fixed,  ARM::VST1d32Qwb_fixed, false, true, false, SingleSpc,  4, 2 ,false},
+{ ARM::VST1d32QPseudoWB_register, ARM::VST1d32Qwb_register, false, true, true, SingleSpc,  4, 2 ,false},
 { ARM::VST1d32TPseudo,      ARM::VST1d32T,     false, false, false, SingleSpc,  3, 2 ,false},
+{ ARM::VST1d32TPseudoWB_fixed,  ARM::VST1d32Twb_fixed, false, true, false, SingleSpc,  3, 2 ,false},
+{ ARM::VST1d32TPseudoWB_register, ARM::VST1d32Twb_register, false, true, true, SingleSpc,  3, 2 ,false},
+
 { ARM::VST1d64QPseudo,      ARM::VST1d64Q,     false, false, false, SingleSpc,  4, 1 ,false},
 { ARM::VST1d64QPseudoWB_fixed,  ARM::VST1d64Qwb_fixed, false, true, false,  SingleSpc,  4, 1 ,false},
 { ARM::VST1d64QPseudoWB_register, ARM::VST1d64Qwb_register, false, true, true,  SingleSpc,  4, 1 ,false},
 { ARM::VST1d64TPseudo,      ARM::VST1d64T,     false, false, false, SingleSpc,  3, 1 ,false},
 { ARM::VST1d64TPseudoWB_fixed,  ARM::VST1d64Twb_fixed, false, true, false,  SingleSpc,  3, 1 ,false},
-{ ARM::VST1d64TPseudoWB_register,  ARM::VST1d64Twb_register, false, true, true,  SingleSpc,  3, 1 ,false},
+{ ARM::VST1d64TPseudoWB_register, ARM::VST1d64Twb_register, false, true, true,  SingleSpc,  3, 1 ,false},
+
 { ARM::VST1d8QPseudo,       ARM::VST1d8Q,      false, false, false, SingleSpc,  4, 8 ,false},
+{ ARM::VST1d8QPseudoWB_fixed,   ARM::VST1d8Qwb_fixed, false, true, false, SingleSpc,  4, 8 ,false},
+{ ARM::VST1d8QPseudoWB_register,  ARM::VST1d8Qwb_register, false, true, true, SingleSpc,  4, 8 ,false},
 { ARM::VST1d8TPseudo,       ARM::VST1d8T,      false, false, false, SingleSpc,  3, 8 ,false},
-{ ARM::VST1q16HighQPseudo,  ARM::VST1d16Q,      false, false, false, SingleHighQSpc,   4, 4 ,false},
-{ ARM::VST1q16HighTPseudo,  ARM::VST1d16T,      false, false, false, SingleHighTSpc,   3, 4 ,false},
+{ ARM::VST1d8TPseudoWB_fixed,   ARM::VST1d8Twb_fixed, false, true, false, SingleSpc,  3, 8 ,false},
+{ ARM::VST1d8TPseudoWB_register,  ARM::VST1d8Twb_register, false, true, true, SingleSpc,  3, 8 ,false},
+
+{ ARM::VST1q16HighQPseudo,  ARM::VST1d16Q,     false, false, false, SingleHighQSpc,   4, 4 ,false},
+{ ARM::VST1q16HighQPseudo_UPD,  ARM::VST1d16Qwb_fixed,  false, true, true, SingleHighQSpc,   4, 8 ,false},
+{ ARM::VST1q16HighTPseudo,  ARM::VST1d16T,     false, false, false, SingleHighTSpc,   3, 4 ,false},
+{ ARM::VST1q16HighTPseudo_UPD,  ARM::VST1d16Twb_fixed,  false, true, true, SingleHighTSpc,   3, 4 ,false},
 { ARM::VST1q16LowQPseudo_UPD,   ARM::VST1d16Qwb_fixed,  false, true, true, SingleLowSpc,   4, 4 ,false},
 { ARM::VST1q16LowTPseudo_UPD,   ARM::VST1d16Twb_fixed,  false, true, true, SingleLowSpc,   3, 4 ,false},
-{ ARM::VST1q32HighQPseudo,  ARM::VST1d32Q,      false, false, false, SingleHighQSpc,   4, 2 ,false},
-{ ARM::VST1q32HighTPseudo,  ARM::VST1d32T,      false, false, false, SingleHighTSpc,   3, 2 ,false},
+
+{ ARM::VST1q32HighQPseudo,  ARM::VST1d32Q,     false, false, false, SingleHighQSpc,   4, 2 ,false},
+{ ARM::VST1q32HighQPseudo_UPD,  ARM::VST1d32Qwb_fixed,  false, true, true, SingleHighQSpc,   4, 8 ,false},
+{ ARM::VST1q32HighTPseudo,  ARM::VST1d32T,     false, false, false, SingleHighTSpc,   3, 2 ,false},
+{ ARM::VST1q32HighTPseudo_UPD,  ARM::VST1d32Twb_fixed,  false, true, true, SingleHighTSpc,   3, 2 ,false},
 { ARM::VST1q32LowQPseudo_UPD,   ARM::VST1d32Qwb_fixed,  false, true, true, SingleLowSpc,   4, 2 ,false},
 { ARM::VST1q32LowTPseudo_UPD,   ARM::VST1d32Twb_fixed,  false, true, true, SingleLowSpc,   3, 2 ,false},
-{ ARM::VST1q64HighQPseudo,  ARM::VST1d64Q,      false, false, false, SingleHighQSpc,   4, 1 ,false},
-{ ARM::VST1q64HighTPseudo,  ARM::VST1d64T,      false, false, false, SingleHighTSpc,   3, 1 ,false},
+
+{ ARM::VST1q64HighQPseudo,  ARM::VST1d64Q,     false, false, false, SingleHighQSpc,   4, 1 ,false},
+{ ARM::VST1q64HighQPseudo_UPD,  ARM::VST1d64Qwb_fixed,  false, true, true, SingleHighQSpc,   4, 8 ,false},
+{ ARM::VST1q64HighTPseudo,  ARM::VST1d64T,     false, false, false, SingleHighTSpc,   3, 1 ,false},
+{ ARM::VST1q64HighTPseudo_UPD,  ARM::VST1d64Twb_fixed,  false, true, true, SingleHighTSpc,   3, 1 ,false},
 { ARM::VST1q64LowQPseudo_UPD,   ARM::VST1d64Qwb_fixed,  false, true, true, SingleLowSpc,   4, 1 ,false},
 { ARM::VST1q64LowTPseudo_UPD,   ARM::VST1d64Twb_fixed,  false, true, true, SingleLowSpc,   3, 1 ,false},
+
 { ARM::VST1q8HighQPseudo,   ARM::VST1d8Q,      false, false, false, SingleHighQSpc,   4, 8 ,false},
+{ ARM::VST1q8HighQPseudo_UPD,  ARM::VST1d8Qwb_fixed,  false, true, true, SingleHighQSpc,   4, 8 ,false},
 { ARM::VST1q8HighTPseudo,   ARM::VST1d8T,      false, false, false, SingleHighTSpc,   3, 8 ,false},
+{ ARM::VST1q8HighTPseudo_UPD,  ARM::VST1d8Twb_fixed,  false, true, true, SingleHighTSpc,   3, 8 ,false},
 { ARM::VST1q8LowQPseudo_UPD,   ARM::VST1d8Qwb_fixed,  false, true, true, SingleLowSpc,   4, 8 ,false},
 { ARM::VST1q8LowTPseudo_UPD,   ARM::VST1d8Twb_fixed,  false, true, true, SingleLowSpc,   3, 8 ,false},
 
@@ -2642,14 +2669,20 @@
     case ARM::VST3d16Pseudo:
     case ARM::VST3d32Pseudo:
     case ARM::VST1d8TPseudo:
+    case ARM::VST1d8TPseudoWB_fixed:
+    case ARM::VST1d8TPseudoWB_register:
     case ARM::VST1d16TPseudo:
+    case ARM::VST1d16TPseudoWB_fixed:
+    case ARM::VST1d16TPseudoWB_register:
     case ARM::VST1d32TPseudo:
+    case ARM::VST1d32TPseudoWB_fixed:
+    case ARM::VST1d32TPseudoWB_register:
     case ARM::VST1d64TPseudo:
+    case ARM::VST1d64TPseudoWB_fixed:
+    case ARM::VST1d64TPseudoWB_register:
     case ARM::VST3d8Pseudo_UPD:
     case ARM::VST3d16Pseudo_UPD:
     case ARM::VST3d32Pseudo_UPD:
-    case ARM::VST1d64TPseudoWB_fixed:
-    case ARM::VST1d64TPseudoWB_register:
     case ARM::VST3q8Pseudo_UPD:
     case ARM::VST3q16Pseudo_UPD:
     case ARM::VST3q32Pseudo_UPD:
@@ -2663,14 +2696,20 @@
     case ARM::VST4d16Pseudo:
     case ARM::VST4d32Pseudo:
     case ARM::VST1d8QPseudo:
+    case ARM::VST1d8QPseudoWB_fixed:
+    case ARM::VST1d8QPseudoWB_register:
     case ARM::VST1d16QPseudo:
+    case ARM::VST1d16QPseudoWB_fixed:
+    case ARM::VST1d16QPseudoWB_register:
     case ARM::VST1d32QPseudo:
+    case ARM::VST1d32QPseudoWB_fixed:
+    case ARM::VST1d32QPseudoWB_register:
     case ARM::VST1d64QPseudo:
+    case ARM::VST1d64QPseudoWB_fixed:
+    case ARM::VST1d64QPseudoWB_register:
     case ARM::VST4d8Pseudo_UPD:
     case ARM::VST4d16Pseudo_UPD:
     case ARM::VST4d32Pseudo_UPD:
-    case ARM::VST1d64QPseudoWB_fixed:
-    case ARM::VST1d64QPseudoWB_register:
     case ARM::VST1q8HighQPseudo:
     case ARM::VST1q8LowQPseudo_UPD:
     case ARM::VST1q8HighTPseudo:
@@ -2687,6 +2726,14 @@
     case ARM::VST1q64LowQPseudo_UPD:
     case ARM::VST1q64HighTPseudo:
     case ARM::VST1q64LowTPseudo_UPD:
+    case ARM::VST1q8HighTPseudo_UPD:
+    case ARM::VST1q16HighTPseudo_UPD:
+    case ARM::VST1q32HighTPseudo_UPD:
+    case ARM::VST1q64HighTPseudo_UPD:
+    case ARM::VST1q8HighQPseudo_UPD:
+    case ARM::VST1q16HighQPseudo_UPD:
+    case ARM::VST1q32HighQPseudo_UPD:
+    case ARM::VST1q64HighQPseudo_UPD:
     case ARM::VST4q8Pseudo_UPD:
     case ARM::VST4q16Pseudo_UPD:
     case ARM::VST4q32Pseudo_UPD:
diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
--- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -1977,7 +1977,13 @@
   case ARM::VST1q16wb_fixed : return true;
   case ARM::VST1q32wb_fixed : return true;
   case ARM::VST1q64wb_fixed : return true;
+  case ARM::VST1d8TPseudoWB_fixed : return true;
+  case ARM::VST1d16TPseudoWB_fixed : return true;
+  case ARM::VST1d32TPseudoWB_fixed : return true;
   case ARM::VST1d64TPseudoWB_fixed : return true;
+  case ARM::VST1d8QPseudoWB_fixed : return true;
+  case ARM::VST1d16QPseudoWB_fixed : return true;
+  case ARM::VST1d32QPseudoWB_fixed : return true;
   case ARM::VST1d64QPseudoWB_fixed : return true;
   case ARM::VST2d8wb_fixed : return true;
   case ARM::VST2d16wb_fixed : return true;
@@ -2022,7 +2028,13 @@
   case ARM::VST1q16wb_fixed: return ARM::VST1q16wb_register;
   case ARM::VST1q32wb_fixed: return ARM::VST1q32wb_register;
   case ARM::VST1q64wb_fixed: return ARM::VST1q64wb_register;
+  case ARM::VST1d8TPseudoWB_fixed: return ARM::VST1d8TPseudoWB_register;
+  case ARM::VST1d16TPseudoWB_fixed: return ARM::VST1d16TPseudoWB_register;
+  case ARM::VST1d32TPseudoWB_fixed: return ARM::VST1d32TPseudoWB_register;
   case ARM::VST1d64TPseudoWB_fixed: return ARM::VST1d64TPseudoWB_register;
+  case ARM::VST1d8QPseudoWB_fixed: return ARM::VST1d8QPseudoWB_register;
+  case ARM::VST1d16QPseudoWB_fixed: return ARM::VST1d16QPseudoWB_register;
+  case ARM::VST1d32QPseudoWB_fixed: return ARM::VST1d32QPseudoWB_register;
   case ARM::VST1d64QPseudoWB_fixed: return ARM::VST1d64QPseudoWB_register;
 
   case ARM::VLD2d8wb_fixed: return ARM::VLD2d8wb_register;
@@ -4354,6 +4366,61 @@
     break;
   }
 
+  case ARMISD::VST1x2_UPD: {
+    if (Subtarget->hasNEON()) {
+      static const uint16_t DOpcodes[] = { ARM::VST1q8wb_fixed,
+                                           ARM::VST1q16wb_fixed,
+                                           ARM::VST1q32wb_fixed,
+                                           ARM::VST1q64wb_fixed};
+      static const uint16_t QOpcodes[] = { ARM::VST1d8QPseudoWB_fixed,
+                                           ARM::VST1d16QPseudoWB_fixed,
+                                           ARM::VST1d32QPseudoWB_fixed,
+                                           ARM::VST1d64QPseudoWB_fixed };
+      SelectVST(N, true, 2, DOpcodes, QOpcodes, nullptr);
+      return;
+    }
+    break;
+  }
+
+  case ARMISD::VST1x3_UPD: {
+    if (Subtarget->hasNEON()) {
+      static const uint16_t DOpcodes[] = { ARM::VST1d8TPseudoWB_fixed,
+                                           ARM::VST1d16TPseudoWB_fixed,
+                                           ARM::VST1d32TPseudoWB_fixed,
+                                           ARM::VST1d64TPseudoWB_fixed };
+      static const uint16_t QOpcodes0[] = { ARM::VST1q8LowTPseudo_UPD,
+                                            ARM::VST1q16LowTPseudo_UPD,
+                                            ARM::VST1q32LowTPseudo_UPD,
+                                            ARM::VST1q64LowTPseudo_UPD };
+      static const uint16_t QOpcodes1[] = { ARM::VST1q8HighTPseudo_UPD,
+                                            ARM::VST1q16HighTPseudo_UPD,
+                                            ARM::VST1q32HighTPseudo_UPD,
+                                            ARM::VST1q64HighTPseudo_UPD };
+      SelectVST(N, true, 3, DOpcodes, QOpcodes0, QOpcodes1);
+      return;
+    }
+    break;
+  }
+
+  case ARMISD::VST1x4_UPD: {
+    if (Subtarget->hasNEON()) {
+      static const uint16_t DOpcodes[] = { ARM::VST1d8QPseudoWB_fixed,
+                                           ARM::VST1d16QPseudoWB_fixed,
+                                           ARM::VST1d32QPseudoWB_fixed,
+                                           ARM::VST1d64QPseudoWB_fixed };
+      static const uint16_t QOpcodes0[] = { ARM::VST1q8LowQPseudo_UPD,
+                                            ARM::VST1q16LowQPseudo_UPD,
+                                            ARM::VST1q32LowQPseudo_UPD,
+                                            ARM::VST1q64LowQPseudo_UPD };
+      static const uint16_t QOpcodes1[] = { ARM::VST1q8HighQPseudo_UPD,
+                                            ARM::VST1q16HighQPseudo_UPD,
+                                            ARM::VST1q32HighQPseudo_UPD,
+                                            ARM::VST1q64HighQPseudo_UPD };
+      SelectVST(N, true, 4, DOpcodes, QOpcodes0, QOpcodes1);
+      return;
+    }
+    break;
+  }
   case ARMISD::VST2LN_UPD: {
     static const uint16_t DOpcodes[] = { ARM::VST2LNd8Pseudo_UPD,
                                          ARM::VST2LNd16Pseudo_UPD,
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h
--- a/llvm/lib/Target/ARM/ARMISelLowering.h
+++ b/llvm/lib/Target/ARM/ARMISelLowering.h
@@ -336,6 +336,9 @@
     VST2LN_UPD,
     VST3LN_UPD,
     VST4LN_UPD,
+    VST1x2_UPD,
+    VST1x3_UPD,
+    VST1x4_UPD,
 
     // Load/Store of dual registers
     LDRD,
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -1792,6 +1792,9 @@
     MAKE_CASE(ARMISD::VST2_UPD)
     MAKE_CASE(ARMISD::VST3_UPD)
     MAKE_CASE(ARMISD::VST4_UPD)
+    MAKE_CASE(ARMISD::VST1x2_UPD)
+    MAKE_CASE(ARMISD::VST1x3_UPD)
+    MAKE_CASE(ARMISD::VST1x4_UPD)
     MAKE_CASE(ARMISD::VST2LN_UPD)
     MAKE_CASE(ARMISD::VST3LN_UPD)
     MAKE_CASE(ARMISD::VST4LN_UPD)
@@ -14609,6 +14612,8 @@
     // Find the new opcode for the updating load/store.
     bool isLoadOp = true;
     bool isLaneOp = false;
+    // Workaround for vst1x and vld1x which do not have alignment operand.
+    bool hasAlignment = true;
     unsigned NewOpc = 0;
     unsigned NumVecs = 0;
     if (isIntrinsic) {
@@ -14652,6 +14657,12 @@
         NumVecs = 3; isLoadOp = false; isLaneOp = true; break;
       case Intrinsic::arm_neon_vst4lane: NewOpc = ARMISD::VST4LN_UPD;
         NumVecs = 4; isLoadOp = false; isLaneOp = true; break;
+      case Intrinsic::arm_neon_vst1x2:   NewOpc = ARMISD::VST1x2_UPD;
+        NumVecs = 2; isLoadOp = false; hasAlignment = false; break;
+      case Intrinsic::arm_neon_vst1x3:   NewOpc = ARMISD::VST1x3_UPD;
+        NumVecs = 3; isLoadOp = false; hasAlignment = false; break;
+      case Intrinsic::arm_neon_vst1x4:   NewOpc = ARMISD::VST1x4_UPD;
+        NumVecs = 4; isLoadOp = false; hasAlignment = false; break;
       }
     } else {
       isLaneOp = true;
@@ -14755,7 +14766,9 @@
     } else {
       // Loads (and of course intrinsics) match the intrinsics' signature,
       // so just add all but the alignment operand.
-      for (unsigned i = AddrOpIdx + 1; i < N->getNumOperands() - 1; ++i)
+      unsigned LastOperand =
+          hasAlignment ? N->getNumOperands() - 1 : N->getNumOperands();
+      for (unsigned i = AddrOpIdx + 1; i < LastOperand; ++i)
         Ops.push_back(N->getOperand(i));
     }
 
diff --git a/llvm/lib/Target/ARM/ARMInstrNEON.td b/llvm/lib/Target/ARM/ARMInstrNEON.td
--- a/llvm/lib/Target/ARM/ARMInstrNEON.td
+++ b/llvm/lib/Target/ARM/ARMInstrNEON.td
@@ -1776,19 +1776,31 @@
 defm VST1d64Twb : VST1D3WB<{1,1,0,?}, "64", addrmode6align64>;
 
 def VST1d8TPseudo             : VSTQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1d8TPseudoWB_fixed     : VSTQQWBfixedPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
+def VST1d8TPseudoWB_register  : VSTQQWBPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
 def VST1d16TPseudo            : VSTQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1d16TPseudoWB_fixed    : VSTQQWBfixedPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
+def VST1d16TPseudoWB_register : VSTQQWBPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
 def VST1d32TPseudo            : VSTQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1d32TPseudoWB_fixed    : VSTQQWBfixedPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
+def VST1d32TPseudoWB_register : VSTQQWBPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
 def VST1d64TPseudo            : VSTQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
 def VST1d64TPseudoWB_fixed    : VSTQQWBfixedPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
 def VST1d64TPseudoWB_register : VSTQQWBPseudo<IIC_VST1x3u>, Sched<[WriteVST3]>;
 
 def VST1q8HighTPseudo     : VSTQQQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
-def VST1q8LowTPseudo_UPD  : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
 def VST1q16HighTPseudo    : VSTQQQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
-def VST1q16LowTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
 def VST1q32HighTPseudo    : VSTQQQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
-def VST1q32LowTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
 def VST1q64HighTPseudo    : VSTQQQQPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+
+def VST1q8HighTPseudo_UPD  : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1q16HighTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1q32HighTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1q64HighTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+
+def VST1q8LowTPseudo_UPD  : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1q16LowTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
+def VST1q32LowTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
 def VST1q64LowTPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x3>, Sched<[WriteVST3]>;
 
 // ...with 4 registers
@@ -1831,19 +1843,31 @@
 defm VST1d64Qwb : VST1D4WB<{1,1,?,?}, "64", addrmode6align64or128or256>;
 
 def VST1d8QPseudo             : VSTQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1d8QPseudoWB_fixed     : VSTQQWBfixedPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
+def VST1d8QPseudoWB_register  : VSTQQWBPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
 def VST1d16QPseudo            : VSTQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1d16QPseudoWB_fixed    : VSTQQWBfixedPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
+def VST1d16QPseudoWB_register : VSTQQWBPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
 def VST1d32QPseudo            : VSTQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1d32QPseudoWB_fixed    : VSTQQWBfixedPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
+def VST1d32QPseudoWB_register : VSTQQWBPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
 def VST1d64QPseudo            : VSTQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
 def VST1d64QPseudoWB_fixed    : VSTQQWBfixedPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
 def VST1d64QPseudoWB_register : VSTQQWBPseudo<IIC_VST1x4u>, Sched<[WriteVST4]>;
 
 def VST1q8HighQPseudo     : VSTQQQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
-def VST1q8LowQPseudo_UPD  : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
 def VST1q16HighQPseudo    : VSTQQQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
-def VST1q16LowQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
 def VST1q32HighQPseudo    : VSTQQQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
-def VST1q32LowQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
 def VST1q64HighQPseudo    : VSTQQQQPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+
+def VST1q8HighQPseudo_UPD  : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1q16HighQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1q32HighQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1q64HighQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+
+def VST1q8LowQPseudo_UPD  : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1q16LowQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
+def VST1q32LowQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
 def VST1q64LowQPseudo_UPD : VSTQQQQWBPseudo<IIC_VST1x4>, Sched<[WriteVST4]>;
 
 //   VST2     : Vector Store (multiple 2-element structures)
diff --git a/llvm/test/CodeGen/ARM/arm-vst1.ll b/llvm/test/CodeGen/ARM/arm-vst1.ll
--- a/llvm/test/CodeGen/ARM/arm-vst1.ll
+++ b/llvm/test/CodeGen/ARM/arm-vst1.ll
@@ -361,3 +361,486 @@
   tail call void @llvm.arm.neon.vst1x4.p0i8.v16i8(i8* %a, <16 x i8> %b0, <16 x i8> %b1, <16 x i8> %b2, <16 x i8> %b3)
   ret void
 }
+
+; Updating
+
+; CHECK-LABEL: test_vst1_u8_x2_post_imm
+; CHECK: vst1.8 {d16, d17}, [r0:64]!
+define i8* @test_vst1_u8_x2_post_imm(i8* %a, %struct.uint8x8x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x8x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x8x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i8.v8i8(i8* %a, <8 x i8> %b0, <8 x i8> %b1)
+  %tmp = getelementptr i8, i8* %a, i32 16
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u8_x2_post_reg
+; CHECK: vst1.8 {d16, d17}, [r0:64], r1
+define i8* @test_vst1_u8_x2_post_reg(i8* %a, %struct.uint8x8x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x8x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x8x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i8.v8i8(i8* %a, <8 x i8> %b0, <8 x i8> %b1)
+  %tmp = getelementptr i8, i8* %a, i32 %inc
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u16_x2_post_imm
+; CHECK: vst1.16 {d16, d17}, [r0:64]!
+define i16* @test_vst1_u16_x2_post_imm(i16* %a, %struct.uint16x4x2_t %b) nounwind {
+  %b0 = extractvalue %struct.uint16x4x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x4x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i16.v4i16(i16* %a, <4 x i16> %b0, <4 x i16> %b1)
+  %tmp = getelementptr i16, i16* %a, i32 8
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u16_x2_post_reg
+; CHECK: vst1.16 {d16, d17}, [r0:64], r1
+define i16* @test_vst1_u16_x2_post_reg(i16* %a, %struct.uint16x4x2_t %b, i32 %inc) nounwind {
+  %b0 = extractvalue %struct.uint16x4x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x4x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i16.v4i16(i16* %a, <4 x i16> %b0, <4 x i16> %b1)
+  %tmp = getelementptr i16, i16* %a, i32 %inc
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u32_x2_post_imm
+; CHECK: vst1.32 {d16, d17}, [r0:64]!
+define i32* @test_vst1_u32_x2_post_imm(i32* %a, %struct.uint32x2x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x2x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x2x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i32.v2i32(i32* %a, <2 x i32> %b0, <2 x i32> %b1)
+  %tmp = getelementptr i32, i32* %a, i32 4
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u32_x2_post_reg
+; CHECK: vst1.32 {d16, d17}, [r0:64], r1
+define i32* @test_vst1_u32_x2_post_reg(i32* %a, %struct.uint32x2x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x2x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x2x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i32.v2i32(i32* %a, <2 x i32> %b0, <2 x i32> %b1)
+  %tmp = getelementptr i32, i32* %a, i32 %inc
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u64_x2_post_imm
+; CHECK: vst1.64 {d16, d17}, [r0:64]!
+define i64* @test_vst1_u64_x2_post_imm(i64* %a, %struct.uint64x1x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x1x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x1x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i64.v1i64(i64* %a, <1 x i64> %b0, <1 x i64> %b1)
+  %tmp = getelementptr i64, i64* %a, i32 2
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u64_x2_post_reg
+; CHECK: vst1.64 {d16, d17}, [r0:64], r1
+define i64* @test_vst1_u64_x2_post_reg(i64* %a, %struct.uint64x1x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x1x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x1x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i64.v1i64(i64* %a, <1 x i64> %b0, <1 x i64> %b1)
+  %tmp = getelementptr i64, i64* %a, i32 %inc
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u8_x2_post_imm
+; CHECK: vst1.8  {d16, d17, d18, d19}, [r0:256]!
+define i8* @test_vst1q_u8_x2_post_imm(i8* %a, %struct.uint8x16x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x16x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x16x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i8.v16i8(i8* %a, <16 x i8> %b0, <16 x i8> %b1)
+  %tmp = getelementptr i8, i8* %a, i32 32
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u8_x2_post_reg
+; CHECK: vst1.8  {d16, d17, d18, d19}, [r0:256], r12
+define i8* @test_vst1q_u8_x2_post_reg(i8* %a, %struct.uint8x16x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x16x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x16x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i8.v16i8(i8* %a, <16 x i8> %b0, <16 x i8> %b1)
+  %tmp = getelementptr i8, i8* %a, i32 %inc
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u16_x2_post_imm
+; CHECK: vst1.16 {d16, d17, d18, d19}, [r0:256]!
+define i16* @test_vst1q_u16_x2_post_imm(i16* %a, %struct.uint16x8x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint16x8x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x8x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i16.v8i16(i16* %a, <8 x i16> %b0, <8 x i16> %b1)
+  %tmp = getelementptr i16, i16* %a, i32 16
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u16_x2_post_reg
+; CHECK: vst1.16 {d16, d17, d18, d19}, [r0:256], r1
+define i16* @test_vst1q_u16_x2_post_reg(i16* %a, %struct.uint16x8x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint16x8x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x8x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i16.v8i16(i16* %a, <8 x i16> %b0, <8 x i16> %b1)
+  %tmp = getelementptr i16, i16* %a, i32 %inc
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u32_x2_post_imm
+; CHECK: vst1.32 {d16, d17, d18, d19}, [r0:256]!
+define i32* @test_vst1q_u32_x2_post_imm(i32* %a, %struct.uint32x4x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x4x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x4x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i32.v4i32(i32* %a, <4 x i32> %b0, <4 x i32> %b1)
+  %tmp = getelementptr i32, i32* %a, i32 8
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u32_x2_post_reg
+; CHECK: vst1.32 {d16, d17, d18, d19}, [r0:256], r1
+define i32* @test_vst1q_u32_x2_post_reg(i32* %a, %struct.uint32x4x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x4x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x4x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i32.v4i32(i32* %a, <4 x i32> %b0, <4 x i32> %b1)
+  %tmp = getelementptr i32, i32* %a, i32 %inc
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u64_x2_post_imm
+; CHECK: vst1.64 {d16, d17, d18, d19}, [r0:256]!
+define i64* @test_vst1q_u64_x2_post_imm(i64* %a, %struct.uint64x2x2_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x2x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x2x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i64.v2i64(i64* %a, <2 x i64> %b0, <2 x i64> %b1)
+  %tmp = getelementptr i64, i64* %a, i32 4
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u64_x2_post_reg
+; CHECK: vst1.64 {d16, d17, d18, d19}, [r0:256], r1
+define i64* @test_vst1q_u64_x2_post_reg(i64* %a, %struct.uint64x2x2_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x2x2_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x2x2_t %b, 0, 1
+  tail call void @llvm.arm.neon.vst1x2.p0i64.v2i64(i64* %a, <2 x i64> %b0, <2 x i64> %b1)
+  %tmp = getelementptr i64, i64* %a, i32 %inc
+  ret i64* %tmp
+}
+
+
+; CHECK-LABEL: test_vst1_u8_x3_post_imm
+; CHECK: vst1.8 {d16, d17, d18}, [r0:64]!
+define i8* @test_vst1_u8_x3_post_imm(i8* %a, %struct.uint8x8x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x8x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x8x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint8x8x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i8.v8i8(i8* %a, <8 x i8> %b0, <8 x i8> %b1, <8 x i8> %b2)
+  %tmp = getelementptr i8, i8* %a, i32 24
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u8_x3_post_reg
+; CHECK: vst1.8 {d16, d17, d18}, [r0:64], r1
+define i8* @test_vst1_u8_x3_post_reg(i8* %a, %struct.uint8x8x3_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x8x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x8x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint8x8x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i8.v8i8(i8* %a, <8 x i8> %b0, <8 x i8> %b1, <8 x i8> %b2)
+  %tmp = getelementptr i8, i8* %a, i32 %inc
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u16_x3_post_imm
+; CHECK: vst1.16 {d16, d17, d18}, [r0:64]!
+define i16* @test_vst1_u16_x3_post_imm(i16* %a, %struct.uint16x4x3_t %b) nounwind {
+  %b0 = extractvalue %struct.uint16x4x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x4x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint16x4x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i16.v4i16(i16* %a, <4 x i16> %b0, <4 x i16> %b1, <4 x i16> %b2)
+  %tmp = getelementptr i16, i16* %a, i32 12
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u16_x3_post_reg
+; CHECK: vst1.16 {d16, d17, d18}, [r0:64], r1
+define i16* @test_vst1_u16_x3_post_reg(i16* %a, %struct.uint16x4x3_t %b, i32 %inc) nounwind {
+  %b0 = extractvalue %struct.uint16x4x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x4x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint16x4x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i16.v4i16(i16* %a, <4 x i16> %b0, <4 x i16> %b1, <4 x i16> %b2)
+  %tmp = getelementptr i16, i16* %a, i32 %inc
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u32_x3_post_imm
+; CHECK: vst1.32 {d16, d17, d18}, [r0:64]!
+define i32* @test_vst1_u32_x3_post_imm(i32* %a, %struct.uint32x2x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x2x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x2x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint32x2x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i32.v2i32(i32* %a, <2 x i32> %b0, <2 x i32> %b1, <2 x i32> %b2)
+  %tmp = getelementptr i32, i32* %a, i32 6
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u32_x3_post_reg
+; CHECK: vst1.32 {d16, d17, d18}, [r0:64], r1
+define i32* @test_vst1_u32_x3_post_reg(i32* %a, %struct.uint32x2x3_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x2x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x2x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint32x2x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i32.v2i32(i32* %a, <2 x i32> %b0, <2 x i32> %b1, <2 x i32> %b2)
+  %tmp = getelementptr i32, i32* %a, i32 %inc
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u64_x3_post_imm
+; CHECK: vst1.64 {d16, d17, d18}, [r0:64]!
+define i64* @test_vst1_u64_x3_post_imm(i64* %a, %struct.uint64x1x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x1x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x1x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint64x1x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i64.v1i64(i64* %a, <1 x i64> %b0, <1 x i64> %b1, <1 x i64> %b2)
+  %tmp = getelementptr i64, i64* %a, i32 3
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u64_x3_post_reg
+; CHECK: vst1.64 {d16, d17, d18}, [r0:64], r1
+define i64* @test_vst1_u64_x3_post_reg(i64* %a, %struct.uint64x1x3_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x1x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x1x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint64x1x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i64.v1i64(i64* %a, <1 x i64> %b0, <1 x i64> %b1, <1 x i64> %b2)
+  %tmp = getelementptr i64, i64* %a, i32 %inc
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u8_x3_post_imm
+; CHECK: vst1.8 {d16, d17, d18}, [r0:64]!
+; CHECK: vst1.8 {d19, d20, d21}, [r0:64]!
+define i8* @test_vst1q_u8_x3_post_imm(i8* %a, %struct.uint8x16x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x16x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x16x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint8x16x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i8.v16i8(i8* %a, <16 x i8> %b0, <16 x i8> %b1, <16 x i8> %b2)
+  %tmp = getelementptr i8, i8* %a, i32 48
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u16_x3_post_imm
+; CHECK: vst1.16 {d16, d17, d18}, [r0:64]!
+; CHECK: vst1.16 {d19, d20, d21}, [r0:64]!
+define i16* @test_vst1q_u16_x3_post_imm(i16* %a, %struct.uint16x8x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint16x8x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x8x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint16x8x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i16.v8i16(i16* %a, <8 x i16> %b0, <8 x i16> %b1, <8 x i16> %b2)
+  %tmp = getelementptr i16, i16* %a, i32 24
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u32_x3_post_imm
+; CHECK: vst1.32 {d16, d17, d18}, [r0:64]!
+; CHECK: vst1.32 {d19, d20, d21}, [r0:64]!
+define i32* @test_vst1q_u32_x3_post_imm(i32* %a, %struct.uint32x4x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x4x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x4x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint32x4x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i32.v4i32(i32* %a, <4 x i32> %b0, <4 x i32> %b1, <4 x i32> %b2)
+  %tmp = getelementptr i32, i32* %a, i32 12
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u64_x3_post_imm
+; CHECK: vst1.64 {d16, d17, d18}, [r0:64]!
+; CHECK: vst1.64 {d19, d20, d21}, [r0:64]!
+define i64* @test_vst1q_u64_x3_post_imm(i64* %a, %struct.uint64x2x3_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x2x3_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x2x3_t %b, 0, 1
+  %b2 = extractvalue %struct.uint64x2x3_t %b, 0, 2
+  tail call void @llvm.arm.neon.vst1x3.p0i64.v2i64(i64* %a, <2 x i64> %b0, <2 x i64> %b1, <2 x i64> %b2)
+  %tmp = getelementptr i64, i64* %a, i32 6
+  ret i64* %tmp
+}
+
+
+; CHECK-LABEL: test_vst1_u8_x4_post_imm
+; CHECK: vst1.8 {d16, d17, d18, d19}, [r0:256]!
+define i8* @test_vst1_u8_x4_post_imm(i8* %a, %struct.uint8x8x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x8x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x8x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint8x8x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint8x8x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i8.v8i8(i8* %a, <8 x i8> %b0, <8 x i8> %b1, <8 x i8> %b2, <8 x i8> %b3)
+  %tmp = getelementptr i8, i8* %a, i32 32
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u8_x4_post_reg
+; CHECK: vst1.8 {d16, d17, d18, d19}, [r0:256], r1
+define i8* @test_vst1_u8_x4_post_reg(i8* %a, %struct.uint8x8x4_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x8x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x8x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint8x8x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint8x8x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i8.v8i8(i8* %a, <8 x i8> %b0, <8 x i8> %b1, <8 x i8> %b2, <8 x i8> %b3)
+  %tmp = getelementptr i8, i8* %a, i32 %inc
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u16_x4_post_imm
+; CHECK: vst1.16 {d16, d17, d18, d19}, [r0:256]!
+define i16* @test_vst1_u16_x4_post_imm(i16* %a, %struct.uint16x4x4_t %b) nounwind {
+  %b0 = extractvalue %struct.uint16x4x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x4x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint16x4x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint16x4x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i16.v4i16(i16* %a, <4 x i16> %b0, <4 x i16> %b1, <4 x i16> %b2, <4 x i16> %b3)
+  %tmp = getelementptr i16, i16* %a, i32 16
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u16_x4_post_reg
+; CHECK: vst1.16 {d16, d17, d18, d19}, [r0:256], r1
+define i16* @test_vst1_u16_x4_post_reg(i16* %a, %struct.uint16x4x4_t %b, i32 %inc) nounwind {
+  %b0 = extractvalue %struct.uint16x4x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x4x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint16x4x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint16x4x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i16.v4i16(i16* %a, <4 x i16> %b0, <4 x i16> %b1, <4 x i16> %b2, <4 x i16> %b3)
+  %tmp = getelementptr i16, i16* %a, i32 %inc
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u32_x4_post_imm
+; CHECK: vst1.32 {d16, d17, d18, d19}, [r0:256]!
+define i32* @test_vst1_u32_x4_post_imm(i32* %a, %struct.uint32x2x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x2x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x2x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint32x2x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint32x2x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i32.v2i32(i32* %a, <2 x i32> %b0, <2 x i32> %b1, <2 x i32> %b2, <2 x i32> %b3)
+  %tmp = getelementptr i32, i32* %a, i32 8
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u32_x4_post_reg
+; CHECK: vst1.32 {d16, d17, d18, d19}, [r0:256], r1
+define i32* @test_vst1_u32_x4_post_reg(i32* %a, %struct.uint32x2x4_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x2x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x2x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint32x2x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint32x2x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i32.v2i32(i32* %a, <2 x i32> %b0, <2 x i32> %b1, <2 x i32> %b2, <2 x i32> %b3)
+  %tmp = getelementptr i32, i32* %a, i32 %inc
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u64_x4_post_imm
+; CHECK: vst1.64 {d16, d17, d18, d19}, [r0:256]!
+define i64* @test_vst1_u64_x4_post_imm(i64* %a, %struct.uint64x1x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x1x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x1x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint64x1x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint64x1x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i64.v1i64(i64* %a, <1 x i64> %b0, <1 x i64> %b1, <1 x i64> %b2, <1 x i64> %b3)
+  %tmp = getelementptr i64, i64* %a, i32 4
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1_u64_x4_post_reg
+; CHECK: vst1.64 {d16, d17, d18, d19}, [r0:256], r1
+define i64* @test_vst1_u64_x4_post_reg(i64* %a, %struct.uint64x1x4_t %b, i32 %inc) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x1x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x1x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint64x1x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint64x1x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i64.v1i64(i64* %a, <1 x i64> %b0, <1 x i64> %b1, <1 x i64> %b2, <1 x i64> %b3)
+  %tmp = getelementptr i64, i64* %a, i32 %inc
+  ret i64* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u8_x4_post_imm
+; CHECK: vst1.8 {d16, d17, d18, d19}, [r0:256]!
+; CHECK: vst1.8 {d20, d21, d22, d23}, [r0:256]!
+define i8* @test_vst1q_u8_x4_post_imm(i8* %a, %struct.uint8x16x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint8x16x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint8x16x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint8x16x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint8x16x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i8.v16i8(i8* %a, <16 x i8> %b0, <16 x i8> %b1, <16 x i8> %b2, <16 x i8> %b3)
+  %tmp = getelementptr i8, i8* %a, i32 64
+  ret i8* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u16_x4_post_imm
+; CHECK: vst1.16 {d16, d17, d18, d19}, [r0:256]!
+; CHECK: vst1.16 {d20, d21, d22, d23}, [r0:256]!
+define i16* @test_vst1q_u16_x4_post_imm(i16* %a, %struct.uint16x8x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint16x8x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint16x8x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint16x8x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint16x8x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i16.v8i16(i16* %a, <8 x i16> %b0, <8 x i16> %b1, <8 x i16> %b2, <8 x i16> %b3)
+  %tmp = getelementptr i16, i16* %a, i32 32
+  ret i16* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u32_x4_post_imm
+; CHECK: vst1.32 {d16, d17, d18, d19}, [r0:256]!
+; CHECK: vst1.32 {d20, d21, d22, d23}, [r0:256]!
+define i32* @test_vst1q_u32_x4_post_imm(i32* %a, %struct.uint32x4x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint32x4x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint32x4x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint32x4x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint32x4x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i32.v4i32(i32* %a, <4 x i32> %b0, <4 x i32> %b1, <4 x i32> %b2, <4 x i32> %b3)
+  %tmp = getelementptr i32, i32* %a, i32 16
+  ret i32* %tmp
+}
+
+; CHECK-LABEL: test_vst1q_u64_x4_post_imm
+; CHECK: vst1.64 {d16, d17, d18, d19}, [r0:256]!
+; CHECK: vst1.64 {d20, d21, d22, d23}, [r0:256]!
+define i64* @test_vst1q_u64_x4_post_imm(i64* %a, %struct.uint64x2x4_t %b) nounwind {
+entry:
+  %b0 = extractvalue %struct.uint64x2x4_t %b, 0, 0
+  %b1 = extractvalue %struct.uint64x2x4_t %b, 0, 1
+  %b2 = extractvalue %struct.uint64x2x4_t %b, 0, 2
+  %b3 = extractvalue %struct.uint64x2x4_t %b, 0, 3
+  tail call void @llvm.arm.neon.vst1x4.p0i64.v2i64(i64* %a, <2 x i64> %b0, <2 x i64> %b1, <2 x i64> %b2, <2 x i64> %b3)
+  %tmp = getelementptr i64, i64* %a, i32 8
+  ret i64* %tmp
+}
+