[llvm] f228b53 - [SLP] Generalization of stores vectorization.

Eric Christopher via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 7 09:57:31 PST 2019


Will do, someone is working on reducing something down :)

-eric

On Thu, Nov 7, 2019 at 9:56 AM Alexey Bataev <a.bataev at outlook.com> wrote:
>
> Hi Eric, sad to hear that those patches increased the compile time :( It would be good if you could send me a reproducer so I could investigate the problem.
>
> -------------
> Best regards,
> Alexey Bataev
>
> 06.11.2019 7:06 PM, Eric Christopher via llvm-commits пишет:
>
> Hi Alexey,
>
> I apologize for the delay after your commit, but we're seeing
> significant compile time regressions and at least a few miscompiles as
> a consequence of this patch many 30x or more. I'm still working on
> getting you a reduced testcase, but I've gone ahead and reverted this
> and a couple of follow on patches thusly:
>
> commit e511c4b0dff1692c267addf17dce3cebe8f97faa (HEAD -> master,
> origin/master, origin/HEAD)
> Author: Eric Christopher <echristo at gmail.com>
> Date:   Wed Nov 6 15:56:41 2019 -0800
>
>     Temporarily Revert:
>
>      "[SLP] Generalization of stores vectorization."
>      "[SLP] Fix -Wunused-variable. NFC"
>      "[SLP] Vectorize jumbled stores."
>
>     As they're causing significant (10-30x) compile time regressions on
>     vectorizable code.
>
>     The primary cause of the compile-time regression is
> f228b5371647f471853c5fb3e6719823a42fe451.
>
>     This reverts commits:
>
>     f228b5371647f471853c5fb3e6719823a42fe451
>     5503455ccb3f5fcedced158332c016c8d3a7fa81
>     21d498c9c0f32dcab5bc89ac593aa813b533b43a
>
> Let's work and figure out how we can get compile time under control
> for this patch :)
>
> Thanks and again my apologies.
>
> -eric
>
> On Tue, Oct 29, 2019 at 8:56 AM Alexey Bataev via llvm-commits
> <llvm-commits at lists.llvm.org> wrote:
>
> Author: Alexey Bataev
> Date: 2019-10-29T11:46:36-04:00
> New Revision: f228b5371647f471853c5fb3e6719823a42fe451
>
> URL: https://github.com/llvm/llvm-project/commit/f228b5371647f471853c5fb3e6719823a42fe451
> DIFF: https://github.com/llvm/llvm-project/commit/f228b5371647f471853c5fb3e6719823a42fe451.diff
>
> LOG: [SLP] Generalization of stores vectorization.
>
> Stores are vectorized with maximum vectorization factor of 16. Patch
> tries to improve the situation and use maximal vectorization factor.
>
> Reviewers: spatel, RKSimon, mkuper, hfinkel
>
> Differential Revision: https://reviews.llvm.org/D43582
>
> Added:
>
>
> Modified:
>     llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
>     llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
>     llvm/test/Transforms/SLPVectorizer/X86/arith-add-ssat.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-add-usat.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-fix.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-sub-ssat.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-sub-usat.ll
>     llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll
>     llvm/test/Transforms/SLPVectorizer/X86/bitreverse.ll
>     llvm/test/Transforms/SLPVectorizer/X86/ctlz.ll
>     llvm/test/Transforms/SLPVectorizer/X86/ctpop.ll
>     llvm/test/Transforms/SLPVectorizer/X86/cttz.ll
>     llvm/test/Transforms/SLPVectorizer/X86/different-vec-widths.ll
>     llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
>     llvm/test/Transforms/SLPVectorizer/X86/shift-ashr.ll
>     llvm/test/Transforms/SLPVectorizer/X86/shift-lshr.ll
>     llvm/test/Transforms/SLPVectorizer/X86/shift-shl.ll
>     llvm/test/Transforms/SLPVectorizer/X86/stores_vectorize.ll
>
> Removed:
>
>
>
> ################################################################################
> diff  --git a/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h b/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
> index 32ccc8a46380..0d7b589d7de7 100644
> --- a/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
> +++ b/llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
> @@ -138,7 +138,7 @@ struct SLPVectorizerPass : public PassInfoMixin<SLPVectorizerPass> {
>    bool vectorizeChainsInBlock(BasicBlock *BB, slpvectorizer::BoUpSLP &R);
>
>    bool vectorizeStoreChain(ArrayRef<Value *> Chain, slpvectorizer::BoUpSLP &R,
> -                           unsigned VecRegSize);
> +                           unsigned Idx);
>
>    bool vectorizeStores(ArrayRef<StoreInst *> Stores, slpvectorizer::BoUpSLP &R);
>
>
> diff  --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
> index 5e4ba924585d..83adec1450bc 100644
> --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
> +++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
> @@ -26,6 +26,7 @@
>  #include "llvm/ADT/PostOrderIterator.h"
>  #include "llvm/ADT/STLExtras.h"
>  #include "llvm/ADT/SetVector.h"
> +#include "llvm/ADT/SmallBitVector.h"
>  #include "llvm/ADT/SmallPtrSet.h"
>  #include "llvm/ADT/SmallSet.h"
>  #include "llvm/ADT/SmallVector.h"
> @@ -5332,125 +5333,127 @@ bool SLPVectorizerPass::runImpl(Function &F, ScalarEvolution *SE_,
>  }
>
>  bool SLPVectorizerPass::vectorizeStoreChain(ArrayRef<Value *> Chain, BoUpSLP &R,
> -                                            unsigned VecRegSize) {
> +                                            unsigned Idx) {
>    const unsigned ChainLen = Chain.size();
>    LLVM_DEBUG(dbgs() << "SLP: Analyzing a store chain of length " << ChainLen
>                      << "\n");
>    const unsigned Sz = R.getVectorElementSize(Chain[0]);
> -  const unsigned VF = VecRegSize / Sz;
> +  const unsigned MinVF = R.getMinVecRegSize() / Sz;
> +  unsigned VF = Chain.size();
>
> -  if (!isPowerOf2_32(Sz) || VF < 2)
> +  if (!isPowerOf2_32(Sz) || !isPowerOf2_32(VF) || VF < 2 || VF < MinVF)
>      return false;
>
> -  bool Changed = false;
> -  // Look for profitable vectorizable trees at all offsets, starting at zero.
> -  for (unsigned i = 0, e = ChainLen; i + VF <= e; ++i) {
> -
> -    ArrayRef<Value *> Operands = Chain.slice(i, VF);
> -    // Check that a previous iteration of this loop did not delete the Value.
> -    if (llvm::any_of(Operands, [&R](Value *V) {
> -          auto *I = dyn_cast<Instruction>(V);
> -          return I && R.isDeleted(I);
> -        }))
> -      continue;
> -
> -    LLVM_DEBUG(dbgs() << "SLP: Analyzing " << VF << " stores at offset " << i
> -                      << "\n");
> -
> -    R.buildTree(Operands);
> -    if (R.isTreeTinyAndNotFullyVectorizable())
> -      continue;
> +  LLVM_DEBUG(dbgs() << "SLP: Analyzing " << VF << " stores at offset " << Idx
> +                    << "\n");
>
> -    R.computeMinimumValueSizes();
> +  R.buildTree(Chain);
> +  if (R.isTreeTinyAndNotFullyVectorizable())
> +    return false;
>
> -    int Cost = R.getTreeCost();
> +  R.computeMinimumValueSizes();
>
> -    LLVM_DEBUG(dbgs() << "SLP: Found cost=" << Cost << " for VF=" << VF
> -                      << "\n");
> -    if (Cost < -SLPCostThreshold) {
> -      LLVM_DEBUG(dbgs() << "SLP: Decided to vectorize cost=" << Cost << "\n");
> +  int Cost = R.getTreeCost();
>
> -      using namespace ore;
> +  LLVM_DEBUG(dbgs() << "SLP: Found cost=" << Cost << " for VF=" << VF << "\n");
> +  if (Cost < -SLPCostThreshold) {
> +    LLVM_DEBUG(dbgs() << "SLP: Decided to vectorize cost=" << Cost << "\n");
>
> -      R.getORE()->emit(OptimizationRemark(SV_NAME, "StoresVectorized",
> -                                          cast<StoreInst>(Chain[i]))
> -                       << "Stores SLP vectorized with cost " << NV("Cost", Cost)
> -                       << " and with tree size "
> -                       << NV("TreeSize", R.getTreeSize()));
> +    using namespace ore;
>
> -      R.vectorizeTree();
> +    R.getORE()->emit(OptimizationRemark(SV_NAME, "StoresVectorized",
> +                                        cast<StoreInst>(Chain[0]))
> +                     << "Stores SLP vectorized with cost " << NV("Cost", Cost)
> +                     << " and with tree size "
> +                     << NV("TreeSize", R.getTreeSize()));
>
> -      // Move to the next bundle.
> -      i += VF - 1;
> -      Changed = true;
> -    }
> +    R.vectorizeTree();
> +    return true;
>    }
>
> -  return Changed;
> +  return false;
>  }
>
>  bool SLPVectorizerPass::vectorizeStores(ArrayRef<StoreInst *> Stores,
>                                          BoUpSLP &R) {
> -  SetVector<StoreInst *> Heads;
> -  SmallDenseSet<StoreInst *> Tails;
> -  SmallDenseMap<StoreInst *, StoreInst *> ConsecutiveChain;
> -
>    // We may run into multiple chains that merge into a single chain. We mark the
>    // stores that we vectorized so that we don't visit the same store twice.
>    BoUpSLP::ValueSet VectorizedStores;
>    bool Changed = false;
>
> -  auto &&FindConsecutiveAccess =
> -      [this, &Stores, &Heads, &Tails, &ConsecutiveChain] (int K, int Idx) {
> -        if (!isConsecutiveAccess(Stores[K], Stores[Idx], *DL, *SE))
> -          return false;
> -
> -        Tails.insert(Stores[Idx]);
> -        Heads.insert(Stores[K]);
> -        ConsecutiveChain[Stores[K]] = Stores[Idx];
> -        return true;
> -      };
> +  int E = Stores.size();
> +  SmallBitVector Tails(E, false);
> +  SmallVector<int, 16> ConsecutiveChain(E, E + 1);
> +  auto &&FindConsecutiveAccess = [this, &Stores, &Tails,
> +                                  &ConsecutiveChain](int K, int Idx) {
> +    if (!isConsecutiveAccess(Stores[K], Stores[Idx], *DL, *SE))
> +      return false;
>
> +    Tails.set(Idx);
> +    ConsecutiveChain[K] = Idx;
> +    return true;
> +  };
>    // Do a quadratic search on all of the given stores in reverse order and find
>    // all of the pairs of stores that follow each other.
> -  int E = Stores.size();
>    for (int Idx = E - 1; Idx >= 0; --Idx) {
>      // If a store has multiple consecutive store candidates, search according
>      // to the sequence: Idx-1, Idx+1, Idx-2, Idx+2, ...
>      // This is because usually pairing with immediate succeeding or preceding
>      // candidate create the best chance to find slp vectorization opportunity.
> -    for (int Offset = 1, F = std::max(E - Idx, Idx + 1); Offset < F; ++Offset)
> +    const int MaxLookDepth = std::min(E - Idx, 16);
> +    for (int Offset = 1, F = std::max(MaxLookDepth, Idx + 1); Offset < F;
> +         ++Offset)
>        if ((Idx >= Offset && FindConsecutiveAccess(Idx - Offset, Idx)) ||
>            (Idx + Offset < E && FindConsecutiveAccess(Idx + Offset, Idx)))
>          break;
>    }
>
>    // For stores that start but don't end a link in the chain:
> -  for (auto *SI : llvm::reverse(Heads)) {
> -    if (Tails.count(SI))
> +  for (int Cnt = E; Cnt > 0; --Cnt) {
> +    int I = Cnt - 1;
> +    if (ConsecutiveChain[I] == E + 1 || Tails.test(I))
>        continue;
> -
>      // We found a store instr that starts a chain. Now follow the chain and try
>      // to vectorize it.
>      BoUpSLP::ValueList Operands;
> -    StoreInst *I = SI;
>      // Collect the chain into a list.
> -    while ((Tails.count(I) || Heads.count(I)) && !VectorizedStores.count(I)) {
> -      Operands.push_back(I);
> +    while (I != E + 1 && !VectorizedStores.count(Stores[I])) {
> +      Operands.push_back(Stores[I]);
>        // Move to the next value in the chain.
>        I = ConsecutiveChain[I];
>      }
>
> +    // If a vector register can't hold 1 element, we are done.
> +    unsigned MaxVecRegSize = R.getMaxVecRegSize();
> +    unsigned EltSize = R.getVectorElementSize(Stores[0]);
> +    if (MaxVecRegSize % EltSize != 0)
> +      continue;
> +
> +    unsigned MaxElts = MaxVecRegSize / EltSize;
>      // FIXME: Is division-by-2 the correct step? Should we assert that the
>      // register size is a power-of-2?
> -    for (unsigned Size = R.getMaxVecRegSize(); Size >= R.getMinVecRegSize();
> -         Size /= 2) {
> -      if (vectorizeStoreChain(Operands, R, Size)) {
> -        // Mark the vectorized stores so that we don't vectorize them again.
> -        VectorizedStores.insert(Operands.begin(), Operands.end());
> -        Changed = true;
> -        break;
> +    unsigned StartIdx = 0;
> +    for (unsigned Size = llvm::PowerOf2Ceil(MaxElts); Size >= 2; Size /= 2) {
> +      for (unsigned Cnt = StartIdx, E = Operands.size(); Cnt + Size <= E;) {
> +        ArrayRef<Value *> Slice = makeArrayRef(Operands).slice(Cnt, Size);
> +        if (!VectorizedStores.count(Slice.front()) &&
> +            !VectorizedStores.count(Slice.back()) &&
> +            vectorizeStoreChain(Slice, R, Cnt)) {
> +          // Mark the vectorized stores so that we don't vectorize them again.
> +          VectorizedStores.insert(Slice.begin(), Slice.end());
> +          Changed = true;
> +          // If we vectorized initial block, no need to try to vectorize it
> +          // again.
> +          if (Cnt == StartIdx)
> +            StartIdx += Size;
> +          Cnt += Size;
> +          continue;
> +        }
> +        ++Cnt;
>        }
> +      // Check if the whole array was vectorized already - exit.
> +      if (StartIdx >= Operands.size())
> +        break;
>      }
>    }
>
> @@ -7118,14 +7121,7 @@ bool SLPVectorizerPass::vectorizeStoreChains(BoUpSLP &R) {
>      LLVM_DEBUG(dbgs() << "SLP: Analyzing a store chain of length "
>                        << it->second.size() << ".\n");
>
> -    // Process the stores in chunks of 16.
> -    // TODO: The limit of 16 inhibits greater vectorization factors.
> -    //       For example, AVX2 supports v32i8. Increasing this limit, however,
> -    //       may cause a significant compile-time increase.
> -    for (unsigned CI = 0, CE = it->second.size(); CI < CE; CI += 16) {
> -      unsigned Len = std::min<unsigned>(CE - CI, 16);
> -      Changed |= vectorizeStores(makeArrayRef(&it->second[CI], Len), R);
> -    }
> +    Changed |= vectorizeStores(it->second, R);
>    }
>    return Changed;
>  }
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-add-ssat.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-add-ssat.ll
> index 0bf3ea20d6c5..4ec98a89c100 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-add-ssat.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-add-ssat.ll
> @@ -354,14 +354,10 @@ define void @add_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @add_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = call <16 x i16> @llvm.sadd.sat.v16i16(<16 x i16> [[TMP1]], <16 x i16> [[TMP3]])
> -; AVX512-NEXT:    [[TMP6:%.*]] = call <16 x i16> @llvm.sadd.sat.v16i16(<16 x i16> [[TMP2]], <16 x i16> [[TMP4]])
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <32 x i16> @llvm.sadd.sat.v32i16(<32 x i16> [[TMP1]], <32 x i16> [[TMP2]])
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -496,24 +492,61 @@ define void @add_v32i16() {
>  }
>
>  define void @add_v64i8() {
> -; CHECK-LABEL: @add_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> -; CHECK-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> -; CHECK-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> -; CHECK-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @add_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> +; SSE-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> +; SSE-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> +; SSE-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @add_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> +; SLM-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> +; SLM-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> +; SLM-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.sadd.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @add_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = call <32 x i8> @llvm.sadd.sat.v32i8(<32 x i8> [[TMP1]], <32 x i8> [[TMP3]])
> +; AVX-NEXT:    [[TMP6:%.*]] = call <32 x i8> @llvm.sadd.sat.v32i8(<32 x i8> [[TMP2]], <32 x i8> [[TMP4]])
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @add_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <64 x i8> @llvm.sadd.sat.v64i8(<64 x i8> [[TMP1]], <64 x i8> [[TMP2]])
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-add-usat.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-add-usat.ll
> index 888985a1350e..65104d2a5071 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-add-usat.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-add-usat.ll
> @@ -251,14 +251,10 @@ define void @add_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @add_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = call <16 x i16> @llvm.uadd.sat.v16i16(<16 x i16> [[TMP1]], <16 x i16> [[TMP3]])
> -; AVX512-NEXT:    [[TMP6:%.*]] = call <16 x i16> @llvm.uadd.sat.v16i16(<16 x i16> [[TMP2]], <16 x i16> [[TMP4]])
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <32 x i16> @llvm.uadd.sat.v32i16(<32 x i16> [[TMP1]], <32 x i16> [[TMP2]])
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -393,24 +389,42 @@ define void @add_v32i16() {
>  }
>
>  define void @add_v64i8() {
> -; CHECK-LABEL: @add_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> -; CHECK-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> -; CHECK-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> -; CHECK-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @add_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> +; SSE-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> +; SSE-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> +; SSE-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.uadd.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @add_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = call <32 x i8> @llvm.uadd.sat.v32i8(<32 x i8> [[TMP1]], <32 x i8> [[TMP3]])
> +; AVX-NEXT:    [[TMP6:%.*]] = call <32 x i8> @llvm.uadd.sat.v32i8(<32 x i8> [[TMP2]], <32 x i8> [[TMP4]])
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @add_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <64 x i8> @llvm.uadd.sat.v64i8(<64 x i8> [[TMP1]], <64 x i8> [[TMP2]])
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll
> index f1d16ed75c77..087b27b52297 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll
> @@ -289,14 +289,10 @@ define void @add_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @add_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = add <16 x i16> [[TMP1]], [[TMP3]]
> -; AVX512-NEXT:    [[TMP6:%.*]] = add <16 x i16> [[TMP2]], [[TMP4]]
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = add <32 x i16> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -431,24 +427,61 @@ define void @add_v32i16() {
>  }
>
>  define void @add_v64i8() {
> -; CHECK-LABEL: @add_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = add <16 x i8> [[TMP1]], [[TMP5]]
> -; CHECK-NEXT:    [[TMP10:%.*]] = add <16 x i8> [[TMP2]], [[TMP6]]
> -; CHECK-NEXT:    [[TMP11:%.*]] = add <16 x i8> [[TMP3]], [[TMP7]]
> -; CHECK-NEXT:    [[TMP12:%.*]] = add <16 x i8> [[TMP4]], [[TMP8]]
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @add_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = add <16 x i8> [[TMP1]], [[TMP5]]
> +; SSE-NEXT:    [[TMP10:%.*]] = add <16 x i8> [[TMP2]], [[TMP6]]
> +; SSE-NEXT:    [[TMP11:%.*]] = add <16 x i8> [[TMP3]], [[TMP7]]
> +; SSE-NEXT:    [[TMP12:%.*]] = add <16 x i8> [[TMP4]], [[TMP8]]
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @add_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = add <16 x i8> [[TMP1]], [[TMP5]]
> +; SLM-NEXT:    [[TMP10:%.*]] = add <16 x i8> [[TMP2]], [[TMP6]]
> +; SLM-NEXT:    [[TMP11:%.*]] = add <16 x i8> [[TMP3]], [[TMP7]]
> +; SLM-NEXT:    [[TMP12:%.*]] = add <16 x i8> [[TMP4]], [[TMP8]]
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @add_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = add <32 x i8> [[TMP1]], [[TMP3]]
> +; AVX-NEXT:    [[TMP6:%.*]] = add <32 x i8> [[TMP2]], [[TMP4]]
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @add_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = add <64 x i8> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-fix.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-fix.ll
> index 92fdbeb70cdb..af0b42f7ae1e 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-fix.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-fix.ll
> @@ -496,14 +496,10 @@ define void @smul_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @smul_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = call <16 x i16> @llvm.smul.fix.v16i16(<16 x i16> [[TMP1]], <16 x i16> [[TMP3]], i32 3)
> -; AVX512-NEXT:    [[TMP6:%.*]] = call <16 x i16> @llvm.smul.fix.v16i16(<16 x i16> [[TMP2]], <16 x i16> [[TMP4]], i32 3)
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <32 x i16> @llvm.smul.fix.v32i16(<32 x i16> [[TMP1]], <32 x i16> [[TMP2]], i32 3)
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -638,24 +634,61 @@ define void @smul_v32i16() {
>  }
>
>  define void @smul_v64i8() {
> -; CHECK-LABEL: @smul_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]], i32 3)
> -; CHECK-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]], i32 3)
> -; CHECK-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]], i32 3)
> -; CHECK-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]], i32 3)
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @smul_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]], i32 3)
> +; SSE-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]], i32 3)
> +; SSE-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]], i32 3)
> +; SSE-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]], i32 3)
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @smul_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]], i32 3)
> +; SLM-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]], i32 3)
> +; SLM-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]], i32 3)
> +; SLM-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.smul.fix.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]], i32 3)
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @smul_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = call <32 x i8> @llvm.smul.fix.v32i8(<32 x i8> [[TMP1]], <32 x i8> [[TMP3]], i32 3)
> +; AVX-NEXT:    [[TMP6:%.*]] = call <32 x i8> @llvm.smul.fix.v32i8(<32 x i8> [[TMP2]], <32 x i8> [[TMP4]], i32 3)
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @smul_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <64 x i8> @llvm.smul.fix.v64i8(<64 x i8> [[TMP1]], <64 x i8> [[TMP2]], i32 3)
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
> @@ -1392,14 +1425,10 @@ define void @umul_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @umul_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = call <16 x i16> @llvm.umul.fix.v16i16(<16 x i16> [[TMP1]], <16 x i16> [[TMP3]], i32 3)
> -; AVX512-NEXT:    [[TMP6:%.*]] = call <16 x i16> @llvm.umul.fix.v16i16(<16 x i16> [[TMP2]], <16 x i16> [[TMP4]], i32 3)
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <32 x i16> @llvm.umul.fix.v32i16(<32 x i16> [[TMP1]], <32 x i16> [[TMP2]], i32 3)
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -1534,24 +1563,61 @@ define void @umul_v32i16() {
>  }
>
>  define void @umul_v64i8() {
> -; CHECK-LABEL: @umul_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]], i32 3)
> -; CHECK-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]], i32 3)
> -; CHECK-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]], i32 3)
> -; CHECK-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]], i32 3)
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @umul_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]], i32 3)
> +; SSE-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]], i32 3)
> +; SSE-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]], i32 3)
> +; SSE-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]], i32 3)
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @umul_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]], i32 3)
> +; SLM-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]], i32 3)
> +; SLM-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]], i32 3)
> +; SLM-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.umul.fix.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]], i32 3)
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @umul_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = call <32 x i8> @llvm.umul.fix.v32i8(<32 x i8> [[TMP1]], <32 x i8> [[TMP3]], i32 3)
> +; AVX-NEXT:    [[TMP6:%.*]] = call <32 x i8> @llvm.umul.fix.v32i8(<32 x i8> [[TMP2]], <32 x i8> [[TMP4]], i32 3)
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @umul_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <64 x i8> @llvm.umul.fix.v64i8(<64 x i8> [[TMP1]], <64 x i8> [[TMP2]], i32 3)
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll
> index d39fd2269f27..8dc59d3e8484 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll
> @@ -356,14 +356,10 @@ define void @mul_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @mul_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = mul <16 x i16> [[TMP1]], [[TMP3]]
> -; AVX512-NEXT:    [[TMP6:%.*]] = mul <16 x i16> [[TMP2]], [[TMP4]]
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = mul <32 x i16> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -498,24 +494,61 @@ define void @mul_v32i16() {
>  }
>
>  define void @mul_v64i8() {
> -; CHECK-LABEL: @mul_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = mul <16 x i8> [[TMP1]], [[TMP5]]
> -; CHECK-NEXT:    [[TMP10:%.*]] = mul <16 x i8> [[TMP2]], [[TMP6]]
> -; CHECK-NEXT:    [[TMP11:%.*]] = mul <16 x i8> [[TMP3]], [[TMP7]]
> -; CHECK-NEXT:    [[TMP12:%.*]] = mul <16 x i8> [[TMP4]], [[TMP8]]
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @mul_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = mul <16 x i8> [[TMP1]], [[TMP5]]
> +; SSE-NEXT:    [[TMP10:%.*]] = mul <16 x i8> [[TMP2]], [[TMP6]]
> +; SSE-NEXT:    [[TMP11:%.*]] = mul <16 x i8> [[TMP3]], [[TMP7]]
> +; SSE-NEXT:    [[TMP12:%.*]] = mul <16 x i8> [[TMP4]], [[TMP8]]
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @mul_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = mul <16 x i8> [[TMP1]], [[TMP5]]
> +; SLM-NEXT:    [[TMP10:%.*]] = mul <16 x i8> [[TMP2]], [[TMP6]]
> +; SLM-NEXT:    [[TMP11:%.*]] = mul <16 x i8> [[TMP3]], [[TMP7]]
> +; SLM-NEXT:    [[TMP12:%.*]] = mul <16 x i8> [[TMP4]], [[TMP8]]
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @mul_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = mul <32 x i8> [[TMP1]], [[TMP3]]
> +; AVX-NEXT:    [[TMP6:%.*]] = mul <32 x i8> [[TMP2]], [[TMP4]]
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @mul_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = mul <64 x i8> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-ssat.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-ssat.ll
> index 31c8c4243f17..dd9d4f62f5b7 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-ssat.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-ssat.ll
> @@ -354,14 +354,10 @@ define void @sub_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @sub_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = call <16 x i16> @llvm.ssub.sat.v16i16(<16 x i16> [[TMP1]], <16 x i16> [[TMP3]])
> -; AVX512-NEXT:    [[TMP6:%.*]] = call <16 x i16> @llvm.ssub.sat.v16i16(<16 x i16> [[TMP2]], <16 x i16> [[TMP4]])
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <32 x i16> @llvm.ssub.sat.v32i16(<32 x i16> [[TMP1]], <32 x i16> [[TMP2]])
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -496,24 +492,61 @@ define void @sub_v32i16() {
>  }
>
>  define void @sub_v64i8() {
> -; CHECK-LABEL: @sub_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> -; CHECK-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> -; CHECK-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> -; CHECK-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @sub_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> +; SSE-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> +; SSE-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> +; SSE-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @sub_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> +; SLM-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> +; SLM-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> +; SLM-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.ssub.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @sub_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = call <32 x i8> @llvm.ssub.sat.v32i8(<32 x i8> [[TMP1]], <32 x i8> [[TMP3]])
> +; AVX-NEXT:    [[TMP6:%.*]] = call <32 x i8> @llvm.ssub.sat.v32i8(<32 x i8> [[TMP2]], <32 x i8> [[TMP4]])
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @sub_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <64 x i8> @llvm.ssub.sat.v64i8(<64 x i8> [[TMP1]], <64 x i8> [[TMP2]])
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-usat.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-usat.ll
> index 698b2b941ea1..5080d05e32e8 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-usat.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-sub-usat.ll
> @@ -251,14 +251,10 @@ define void @sub_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @sub_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = call <16 x i16> @llvm.usub.sat.v16i16(<16 x i16> [[TMP1]], <16 x i16> [[TMP3]])
> -; AVX512-NEXT:    [[TMP6:%.*]] = call <16 x i16> @llvm.usub.sat.v16i16(<16 x i16> [[TMP2]], <16 x i16> [[TMP4]])
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <32 x i16> @llvm.usub.sat.v32i16(<32 x i16> [[TMP1]], <32 x i16> [[TMP2]])
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -393,24 +389,42 @@ define void @sub_v32i16() {
>  }
>
>  define void @sub_v64i8() {
> -; CHECK-LABEL: @sub_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> -; CHECK-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> -; CHECK-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> -; CHECK-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @sub_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP1]], <16 x i8> [[TMP5]])
> +; SSE-NEXT:    [[TMP10:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP2]], <16 x i8> [[TMP6]])
> +; SSE-NEXT:    [[TMP11:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP3]], <16 x i8> [[TMP7]])
> +; SSE-NEXT:    [[TMP12:%.*]] = call <16 x i8> @llvm.usub.sat.v16i8(<16 x i8> [[TMP4]], <16 x i8> [[TMP8]])
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @sub_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = call <32 x i8> @llvm.usub.sat.v32i8(<32 x i8> [[TMP1]], <32 x i8> [[TMP3]])
> +; AVX-NEXT:    [[TMP6:%.*]] = call <32 x i8> @llvm.usub.sat.v32i8(<32 x i8> [[TMP2]], <32 x i8> [[TMP4]])
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @sub_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = call <64 x i8> @llvm.usub.sat.v64i8(<64 x i8> [[TMP1]], <64 x i8> [[TMP2]])
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll b/llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll
> index acfc08d17fb0..eb78e39b0292 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll
> @@ -289,14 +289,10 @@ define void @sub_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @sub_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = sub <16 x i16> [[TMP1]], [[TMP3]]
> -; AVX512-NEXT:    [[TMP6:%.*]] = sub <16 x i16> [[TMP2]], [[TMP4]]
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = sub <32 x i16> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i16, i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 0 ), align 2
> @@ -431,24 +427,61 @@ define void @sub_v32i16() {
>  }
>
>  define void @sub_v64i8() {
> -; CHECK-LABEL: @sub_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = sub <16 x i8> [[TMP1]], [[TMP5]]
> -; CHECK-NEXT:    [[TMP10:%.*]] = sub <16 x i8> [[TMP2]], [[TMP6]]
> -; CHECK-NEXT:    [[TMP11:%.*]] = sub <16 x i8> [[TMP3]], [[TMP7]]
> -; CHECK-NEXT:    [[TMP12:%.*]] = sub <16 x i8> [[TMP4]], [[TMP8]]
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @sub_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = sub <16 x i8> [[TMP1]], [[TMP5]]
> +; SSE-NEXT:    [[TMP10:%.*]] = sub <16 x i8> [[TMP2]], [[TMP6]]
> +; SSE-NEXT:    [[TMP11:%.*]] = sub <16 x i8> [[TMP3]], [[TMP7]]
> +; SSE-NEXT:    [[TMP12:%.*]] = sub <16 x i8> [[TMP4]], [[TMP8]]
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; SLM-LABEL: @sub_v64i8(
> +; SLM-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    [[TMP9:%.*]] = sub <16 x i8> [[TMP1]], [[TMP5]]
> +; SLM-NEXT:    [[TMP10:%.*]] = sub <16 x i8> [[TMP2]], [[TMP6]]
> +; SLM-NEXT:    [[TMP11:%.*]] = sub <16 x i8> [[TMP3]], [[TMP7]]
> +; SLM-NEXT:    [[TMP12:%.*]] = sub <16 x i8> [[TMP4]], [[TMP8]]
> +; SLM-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SLM-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SLM-NEXT:    ret void
> +;
> +; AVX-LABEL: @sub_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = sub <32 x i8> [[TMP1]], [[TMP3]]
> +; AVX-NEXT:    [[TMP6:%.*]] = sub <32 x i8> [[TMP2]], [[TMP4]]
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @sub_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = sub <64 x i8> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/bitreverse.ll b/llvm/test/Transforms/SLPVectorizer/X86/bitreverse.ll
> index 749e93b04134..58b173202759 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/bitreverse.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/bitreverse.ll
> @@ -311,14 +311,26 @@ define void @bitreverse_16i8() #0 {
>  }
>
>  define void @bitreverse_32i8() #0 {
> -; CHECK-LABEL: @bitreverse_32i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> [[TMP1]])
> -; CHECK-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> [[TMP2]])
> -; CHECK-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @bitreverse_32i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> [[TMP1]])
> +; SSE-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> [[TMP2]])
> +; SSE-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @bitreverse_32i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> [[TMP1]])
> +; AVX-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; XOP-LABEL: @bitreverse_32i8(
> +; XOP-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> [[TMP1]])
> +; XOP-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; XOP-NEXT:    ret void
>  ;
>    %ld0  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  0), align 1
>    %ld1  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  1), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/ctlz.ll b/llvm/test/Transforms/SLPVectorizer/X86/ctlz.ll
> index 14834838e0b3..562d5d916d26 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/ctlz.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/ctlz.ll
> @@ -362,14 +362,20 @@ define void @ctlz_16i8() #0 {
>  }
>
>  define void @ctlz_32i8() #0 {
> -; CHECK-LABEL: @ctlz_32i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP1]], i1 false)
> -; CHECK-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP2]], i1 false)
> -; CHECK-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @ctlz_32i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP1]], i1 false)
> +; SSE-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP2]], i1 false)
> +; SSE-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @ctlz_32i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> [[TMP1]], i1 false)
> +; AVX-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
>  ;
>    %ld0  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  0), align 1
>    %ld1  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  1), align 1
> @@ -812,14 +818,20 @@ define void @ctlz_undef_16i8() #0 {
>  }
>
>  define void @ctlz_undef_32i8() #0 {
> -; CHECK-LABEL: @ctlz_undef_32i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP1]], i1 true)
> -; CHECK-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP2]], i1 true)
> -; CHECK-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @ctlz_undef_32i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP1]], i1 true)
> +; SSE-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> [[TMP2]], i1 true)
> +; SSE-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @ctlz_undef_32i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.ctlz.v32i8(<32 x i8> [[TMP1]], i1 true)
> +; AVX-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
>  ;
>    %ld0  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  0), align 1
>    %ld1  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  1), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/ctpop.ll b/llvm/test/Transforms/SLPVectorizer/X86/ctpop.ll
> index f3e4a31691b7..8782e6768c05 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/ctpop.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/ctpop.ll
> @@ -424,14 +424,20 @@ define void @ctpop_16i8() #0 {
>  }
>
>  define void @ctpop_32i8() #0 {
> -; CHECK-LABEL: @ctpop_32i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> [[TMP1]])
> -; CHECK-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> [[TMP2]])
> -; CHECK-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @ctpop_32i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> [[TMP1]])
> +; SSE-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> [[TMP2]])
> +; SSE-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @ctpop_32i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.ctpop.v32i8(<32 x i8> [[TMP1]])
> +; AVX-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
>  ;
>    %ld0  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  0), align 1
>    %ld1  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  1), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/cttz.ll b/llvm/test/Transforms/SLPVectorizer/X86/cttz.ll
> index 751fea779cea..6a1afb96dee7 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/cttz.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/cttz.ll
> @@ -353,14 +353,20 @@ define void @cttz_16i8() #0 {
>  }
>
>  define void @cttz_32i8() #0 {
> -; CHECK-LABEL: @cttz_32i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP1]], i1 false)
> -; CHECK-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP2]], i1 false)
> -; CHECK-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @cttz_32i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP1]], i1 false)
> +; SSE-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP2]], i1 false)
> +; SSE-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @cttz_32i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.cttz.v32i8(<32 x i8> [[TMP1]], i1 false)
> +; AVX-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
>  ;
>    %ld0  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  0), align 1
>    %ld1  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  1), align 1
> @@ -794,14 +800,20 @@ define void @cttz_undef_16i8() #0 {
>  }
>
>  define void @cttz_undef_32i8() #0 {
> -; CHECK-LABEL: @cttz_undef_32i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP1]], i1 true)
> -; CHECK-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP2]], i1 true)
> -; CHECK-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @cttz_undef_32i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([32 x i8]* @src8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP1]], i1 true)
> +; SSE-NEXT:    [[TMP4:%.*]] = call <16 x i8> @llvm.cttz.v16i8(<16 x i8> [[TMP2]], i1 true)
> +; SSE-NEXT:    store <16 x i8> [[TMP3]], <16 x i8>* bitcast ([32 x i8]* @dst8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP4]], <16 x i8>* bitcast (i8* getelementptr inbounds ([32 x i8], [32 x i8]* @dst8, i8 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @cttz_undef_32i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([32 x i8]* @src8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = call <32 x i8> @llvm.cttz.v32i8(<32 x i8> [[TMP1]], i1 true)
> +; AVX-NEXT:    store <32 x i8> [[TMP2]], <32 x i8>* bitcast ([32 x i8]* @dst8 to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
>  ;
>    %ld0  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  0), align 1
>    %ld1  = load i8, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @src8, i8 0, i64  1), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/
> diff erent-vec-widths.ll b/llvm/test/Transforms/SLPVectorizer/X86/
> diff erent-vec-widths.ll
> index 87f82dfe4e78..782ea484d2e2 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/
> diff erent-vec-widths.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/
> diff erent-vec-widths.ll
> @@ -56,15 +56,14 @@ define void @PR28457(double* noalias nocapture align 32 %q, double* noalias noca
>  ; AVX-NEXT:    [[Q5:%.*]] = getelementptr inbounds double, double* [[Q]], i64 5
>  ; AVX-NEXT:    [[TMP1:%.*]] = bitcast double* [[P0]] to <4 x double>*
>  ; AVX-NEXT:    [[TMP2:%.*]] = load <4 x double>, <4 x double>* [[TMP1]], align 8
> -; AVX-NEXT:    [[D4:%.*]] = load double, double* [[P4]]
> -; AVX-NEXT:    [[D5:%.*]] = load double, double* [[P5]]
> -; AVX-NEXT:    [[TMP3:%.*]] = fadd <4 x double> [[TMP2]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
> -; AVX-NEXT:    [[A4:%.*]] = fadd double [[D4]], 1.000000e+00
> -; AVX-NEXT:    [[A5:%.*]] = fadd double [[D5]], 1.000000e+00
> -; AVX-NEXT:    [[TMP4:%.*]] = bitcast double* [[Q0]] to <4 x double>*
> -; AVX-NEXT:    store <4 x double> [[TMP3]], <4 x double>* [[TMP4]], align 8
> -; AVX-NEXT:    store double [[A4]], double* [[Q4]]
> -; AVX-NEXT:    store double [[A5]], double* [[Q5]]
> +; AVX-NEXT:    [[TMP3:%.*]] = bitcast double* [[P4]] to <2 x double>*
> +; AVX-NEXT:    [[TMP4:%.*]] = load <2 x double>, <2 x double>* [[TMP3]], align 8
> +; AVX-NEXT:    [[TMP5:%.*]] = fadd <4 x double> [[TMP2]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
> +; AVX-NEXT:    [[TMP6:%.*]] = fadd <2 x double> [[TMP4]], <double 1.000000e+00, double 1.000000e+00>
> +; AVX-NEXT:    [[TMP7:%.*]] = bitcast double* [[Q0]] to <4 x double>*
> +; AVX-NEXT:    store <4 x double> [[TMP5]], <4 x double>* [[TMP7]], align 8
> +; AVX-NEXT:    [[TMP8:%.*]] = bitcast double* [[Q4]] to <2 x double>*
> +; AVX-NEXT:    store <2 x double> [[TMP6]], <2 x double>* [[TMP8]], align 8
>  ; AVX-NEXT:    ret void
>  ;
>    %p0 = getelementptr inbounds double, double* %p, i64 0
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll b/llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
> index bdb37b28d58c..2c53b1afbd2a 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
> @@ -1,5 +1,5 @@
>  ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
> -; RUN: opt -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
> +; RUN: opt -slp-vectorizer -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
>
>  %class.1 = type { %class.2 }
>  %class.2 = type { %"class.3" }
> @@ -67,10 +67,13 @@ define void @pr35497() local_unnamed_addr #0 {
>  ; CHECK-NEXT:    [[ARRAYIDX2_6:%.*]] = getelementptr inbounds [0 x i64], [0 x i64]* undef, i64 0, i64 0
>  ; CHECK-NEXT:    [[TMP10:%.*]] = bitcast i64* [[ARRAYIDX2_6]] to <2 x i64>*
>  ; CHECK-NEXT:    store <2 x i64> [[TMP4]], <2 x i64>* [[TMP10]], align 1
> -; CHECK-NEXT:    [[TMP11:%.*]] = lshr <2 x i64> [[TMP4]], <i64 6, i64 6>
> -; CHECK-NEXT:    [[TMP12:%.*]] = add nuw nsw <2 x i64> [[TMP9]], [[TMP11]]
> -; CHECK-NEXT:    [[TMP13:%.*]] = bitcast i64* [[ARRAYIDX2_2]] to <2 x i64>*
> -; CHECK-NEXT:    store <2 x i64> [[TMP12]], <2 x i64>* [[TMP13]], align 1
> +; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0
> +; CHECK-NEXT:    [[TMP12:%.*]] = insertelement <2 x i64> undef, i64 [[TMP11]], i32 0
> +; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP5]], i32 1
> +; CHECK-NEXT:    [[TMP14:%.*]] = lshr <2 x i64> [[TMP13]], <i64 6, i64 6>
> +; CHECK-NEXT:    [[TMP15:%.*]] = add nuw nsw <2 x i64> [[TMP9]], [[TMP14]]
> +; CHECK-NEXT:    [[TMP16:%.*]] = bitcast i64* [[ARRAYIDX2_2]] to <2 x i64>*
> +; CHECK-NEXT:    store <2 x i64> [[TMP15]], <2 x i64>* [[TMP16]], align 1
>  ; CHECK-NEXT:    ret void
>  ;
>  entry:
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/shift-ashr.ll b/llvm/test/Transforms/SLPVectorizer/X86/shift-ashr.ll
> index e4b71ba974d1..9ced739e511e 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/shift-ashr.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/shift-ashr.ll
> @@ -482,14 +482,10 @@ define void @ashr_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @ashr_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = ashr <16 x i16> [[TMP1]], [[TMP3]]
> -; AVX512-NEXT:    [[TMP6:%.*]] = ashr <16 x i16> [[TMP2]], [[TMP4]]
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = ashr <32 x i16> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>  ; XOP-LABEL: @ashr_v32i16(
> @@ -635,24 +631,53 @@ define void @ashr_v32i16() {
>  }
>
>  define void @ashr_v64i8() {
> -; CHECK-LABEL: @ashr_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = ashr <16 x i8> [[TMP1]], [[TMP5]]
> -; CHECK-NEXT:    [[TMP10:%.*]] = ashr <16 x i8> [[TMP2]], [[TMP6]]
> -; CHECK-NEXT:    [[TMP11:%.*]] = ashr <16 x i8> [[TMP3]], [[TMP7]]
> -; CHECK-NEXT:    [[TMP12:%.*]] = ashr <16 x i8> [[TMP4]], [[TMP8]]
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @ashr_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = ashr <16 x i8> [[TMP1]], [[TMP5]]
> +; SSE-NEXT:    [[TMP10:%.*]] = ashr <16 x i8> [[TMP2]], [[TMP6]]
> +; SSE-NEXT:    [[TMP11:%.*]] = ashr <16 x i8> [[TMP3]], [[TMP7]]
> +; SSE-NEXT:    [[TMP12:%.*]] = ashr <16 x i8> [[TMP4]], [[TMP8]]
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @ashr_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = ashr <32 x i8> [[TMP1]], [[TMP3]]
> +; AVX-NEXT:    [[TMP6:%.*]] = ashr <32 x i8> [[TMP2]], [[TMP4]]
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @ashr_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = ashr <64 x i8> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
> +;
> +; XOP-LABEL: @ashr_v64i8(
> +; XOP-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP5:%.*]] = ashr <32 x i8> [[TMP1]], [[TMP3]]
> +; XOP-NEXT:    [[TMP6:%.*]] = ashr <32 x i8> [[TMP2]], [[TMP4]]
> +; XOP-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; XOP-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/shift-lshr.ll b/llvm/test/Transforms/SLPVectorizer/X86/shift-lshr.ll
> index 237673da5a9c..3164d4bd3be4 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/shift-lshr.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/shift-lshr.ll
> @@ -431,14 +431,10 @@ define void @lshr_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @lshr_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = lshr <16 x i16> [[TMP1]], [[TMP3]]
> -; AVX512-NEXT:    [[TMP6:%.*]] = lshr <16 x i16> [[TMP2]], [[TMP4]]
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = lshr <32 x i16> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>  ; XOP-LABEL: @lshr_v32i16(
> @@ -584,24 +580,53 @@ define void @lshr_v32i16() {
>  }
>
>  define void @lshr_v64i8() {
> -; CHECK-LABEL: @lshr_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = lshr <16 x i8> [[TMP1]], [[TMP5]]
> -; CHECK-NEXT:    [[TMP10:%.*]] = lshr <16 x i8> [[TMP2]], [[TMP6]]
> -; CHECK-NEXT:    [[TMP11:%.*]] = lshr <16 x i8> [[TMP3]], [[TMP7]]
> -; CHECK-NEXT:    [[TMP12:%.*]] = lshr <16 x i8> [[TMP4]], [[TMP8]]
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @lshr_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = lshr <16 x i8> [[TMP1]], [[TMP5]]
> +; SSE-NEXT:    [[TMP10:%.*]] = lshr <16 x i8> [[TMP2]], [[TMP6]]
> +; SSE-NEXT:    [[TMP11:%.*]] = lshr <16 x i8> [[TMP3]], [[TMP7]]
> +; SSE-NEXT:    [[TMP12:%.*]] = lshr <16 x i8> [[TMP4]], [[TMP8]]
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @lshr_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = lshr <32 x i8> [[TMP1]], [[TMP3]]
> +; AVX-NEXT:    [[TMP6:%.*]] = lshr <32 x i8> [[TMP2]], [[TMP4]]
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @lshr_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = lshr <64 x i8> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
> +;
> +; XOP-LABEL: @lshr_v64i8(
> +; XOP-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP5:%.*]] = lshr <32 x i8> [[TMP1]], [[TMP3]]
> +; XOP-NEXT:    [[TMP6:%.*]] = lshr <32 x i8> [[TMP2]], [[TMP4]]
> +; XOP-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; XOP-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/shift-shl.ll b/llvm/test/Transforms/SLPVectorizer/X86/shift-shl.ll
> index 8eadd04d1d0b..82f973385359 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/shift-shl.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/shift-shl.ll
> @@ -383,14 +383,10 @@ define void @shl_v32i16() {
>  ; AVX-NEXT:    ret void
>  ;
>  ; AVX512-LABEL: @shl_v32i16(
> -; AVX512-NEXT:    [[TMP1:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @a16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP2:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @a16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP3:%.*]] = load <16 x i16>, <16 x i16>* bitcast ([32 x i16]* @b16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP4:%.*]] = load <16 x i16>, <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @b16, i32 0, i64 16) to <16 x i16>*), align 2
> -; AVX512-NEXT:    [[TMP5:%.*]] = shl <16 x i16> [[TMP1]], [[TMP3]]
> -; AVX512-NEXT:    [[TMP6:%.*]] = shl <16 x i16> [[TMP2]], [[TMP4]]
> -; AVX512-NEXT:    store <16 x i16> [[TMP5]], <16 x i16>* bitcast ([32 x i16]* @c16 to <16 x i16>*), align 2
> -; AVX512-NEXT:    store <16 x i16> [[TMP6]], <16 x i16>* bitcast (i16* getelementptr inbounds ([32 x i16], [32 x i16]* @c16, i32 0, i64 16) to <16 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @a16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <32 x i16>, <32 x i16>* bitcast ([32 x i16]* @b16 to <32 x i16>*), align 2
> +; AVX512-NEXT:    [[TMP3:%.*]] = shl <32 x i16> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <32 x i16> [[TMP3]], <32 x i16>* bitcast ([32 x i16]* @c16 to <32 x i16>*), align 2
>  ; AVX512-NEXT:    ret void
>  ;
>  ; XOP-LABEL: @shl_v32i16(
> @@ -536,24 +532,53 @@ define void @shl_v32i16() {
>  }
>
>  define void @shl_v64i8() {
> -; CHECK-LABEL: @shl_v64i8(
> -; CHECK-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    [[TMP9:%.*]] = shl <16 x i8> [[TMP1]], [[TMP5]]
> -; CHECK-NEXT:    [[TMP10:%.*]] = shl <16 x i8> [[TMP2]], [[TMP6]]
> -; CHECK-NEXT:    [[TMP11:%.*]] = shl <16 x i8> [[TMP3]], [[TMP7]]
> -; CHECK-NEXT:    [[TMP12:%.*]] = shl <16 x i8> [[TMP4]], [[TMP8]]
> -; CHECK-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> -; CHECK-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> -; CHECK-NEXT:    ret void
> +; SSE-LABEL: @shl_v64i8(
> +; SSE-NEXT:    [[TMP1:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @a8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP2:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP3:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP4:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP5:%.*]] = load <16 x i8>, <16 x i8>* bitcast ([64 x i8]* @b8 to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP6:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP7:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP8:%.*]] = load <16 x i8>, <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    [[TMP9:%.*]] = shl <16 x i8> [[TMP1]], [[TMP5]]
> +; SSE-NEXT:    [[TMP10:%.*]] = shl <16 x i8> [[TMP2]], [[TMP6]]
> +; SSE-NEXT:    [[TMP11:%.*]] = shl <16 x i8> [[TMP3]], [[TMP7]]
> +; SSE-NEXT:    [[TMP12:%.*]] = shl <16 x i8> [[TMP4]], [[TMP8]]
> +; SSE-NEXT:    store <16 x i8> [[TMP9]], <16 x i8>* bitcast ([64 x i8]* @c8 to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP10]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 16) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP11]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <16 x i8>*), align 1
> +; SSE-NEXT:    store <16 x i8> [[TMP12]], <16 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 48) to <16 x i8>*), align 1
> +; SSE-NEXT:    ret void
> +;
> +; AVX-LABEL: @shl_v64i8(
> +; AVX-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    [[TMP5:%.*]] = shl <32 x i8> [[TMP1]], [[TMP3]]
> +; AVX-NEXT:    [[TMP6:%.*]] = shl <32 x i8> [[TMP2]], [[TMP4]]
> +; AVX-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; AVX-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; AVX-NEXT:    ret void
> +;
> +; AVX512-LABEL: @shl_v64i8(
> +; AVX512-NEXT:    [[TMP1:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @a8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP2:%.*]] = load <64 x i8>, <64 x i8>* bitcast ([64 x i8]* @b8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    [[TMP3:%.*]] = shl <64 x i8> [[TMP1]], [[TMP2]]
> +; AVX512-NEXT:    store <64 x i8> [[TMP3]], <64 x i8>* bitcast ([64 x i8]* @c8 to <64 x i8>*), align 1
> +; AVX512-NEXT:    ret void
> +;
> +; XOP-LABEL: @shl_v64i8(
> +; XOP-NEXT:    [[TMP1:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @a8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP2:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP3:%.*]] = load <32 x i8>, <32 x i8>* bitcast ([64 x i8]* @b8 to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP4:%.*]] = load <32 x i8>, <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @b8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    [[TMP5:%.*]] = shl <32 x i8> [[TMP1]], [[TMP3]]
> +; XOP-NEXT:    [[TMP6:%.*]] = shl <32 x i8> [[TMP2]], [[TMP4]]
> +; XOP-NEXT:    store <32 x i8> [[TMP5]], <32 x i8>* bitcast ([64 x i8]* @c8 to <32 x i8>*), align 1
> +; XOP-NEXT:    store <32 x i8> [[TMP6]], <32 x i8>* bitcast (i8* getelementptr inbounds ([64 x i8], [64 x i8]* @c8, i32 0, i64 32) to <32 x i8>*), align 1
> +; XOP-NEXT:    ret void
>  ;
>    %a0  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 0 ), align 1
>    %a1  = load i8, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @a8, i32 0, i64 1 ), align 1
>
> diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/stores_vectorize.ll b/llvm/test/Transforms/SLPVectorizer/X86/stores_vectorize.ll
> index 48f2687b377f..425f3e634167 100644
> --- a/llvm/test/Transforms/SLPVectorizer/X86/stores_vectorize.ll
> +++ b/llvm/test/Transforms/SLPVectorizer/X86/stores_vectorize.ll
> @@ -92,15 +92,15 @@ define void @store_reverse(i64* %p3) {
>  ; CHECK-NEXT:    [[ARRAYIDX11:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 3
>  ; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i64* [[P3]] to <4 x i64>*
>  ; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i64>, <4 x i64>* [[TMP0]], align 8
> -; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <4 x i64> [[TMP1]], <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
> +; CHECK-NEXT:    [[REORDER_SHUFFLE:%.*]] = shufflevector <4 x i64> [[TMP1]], <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
>  ; CHECK-NEXT:    [[ARRAYIDX12:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 11
> -; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i64* [[ARRAYIDX1]] to <4 x i64>*
> -; CHECK-NEXT:    [[TMP4:%.*]] = load <4 x i64>, <4 x i64>* [[TMP3]], align 8
> -; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <4 x i64> [[TMP4]], <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
> -; CHECK-NEXT:    [[TMP6:%.*]] = shl <4 x i64> [[TMP2]], [[TMP5]]
> +; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i64* [[ARRAYIDX1]] to <4 x i64>*
> +; CHECK-NEXT:    [[TMP3:%.*]] = load <4 x i64>, <4 x i64>* [[TMP2]], align 8
> +; CHECK-NEXT:    [[REORDER_SHUFFLE1:%.*]] = shufflevector <4 x i64> [[TMP3]], <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
> +; CHECK-NEXT:    [[TMP4:%.*]] = shl <4 x i64> [[REORDER_SHUFFLE]], [[REORDER_SHUFFLE1]]
>  ; CHECK-NEXT:    [[ARRAYIDX14:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 4
> -; CHECK-NEXT:    [[TMP7:%.*]] = bitcast i64* [[ARRAYIDX14]] to <4 x i64>*
> -; CHECK-NEXT:    store <4 x i64> [[TMP6]], <4 x i64>* [[TMP7]], align 8
> +; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i64* [[ARRAYIDX14]] to <4 x i64>*
> +; CHECK-NEXT:    store <4 x i64> [[TMP4]], <4 x i64>* [[TMP5]], align 8
>  ; CHECK-NEXT:    ret void
>  ;
>  entry:
> @@ -147,18 +147,11 @@ define void @store15(float* %p1, i32 %p2, i64* %p3, float* %p4) {
>  ; CHECK-NEXT:    [[ADD:%.*]] = fadd float [[TMP0]], [[TMP1]]
>  ; CHECK-NEXT:    store float [[ADD]], float* [[ARRAYIDX2]], align 4
>  ; CHECK-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i64* [[P3]] to <2 x i64>*
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <2 x i64>, <2 x i64>* [[TMP2]], align 8
> -; CHECK-NEXT:    [[TMP4:%.*]] = lshr <2 x i64> [[TMP3]], <i64 5, i64 5>
> -; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i64* [[P3]] to <2 x i64>*
> -; CHECK-NEXT:    store <2 x i64> [[TMP4]], <2 x i64>* [[TMP5]], align 8
>  ; CHECK-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 2
> -; CHECK-NEXT:    [[TMP6:%.*]] = load i64, i64* [[ARRAYIDX6]], align 8
> -; CHECK-NEXT:    [[SHR7:%.*]] = lshr i64 [[TMP6]], 5
> -; CHECK-NEXT:    store i64 [[SHR7]], i64* [[ARRAYIDX6]], align 8
>  ; CHECK-NEXT:    [[ARRAYIDX8:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 3
> -; CHECK-NEXT:    [[TMP7:%.*]] = load i64, i64* [[ARRAYIDX8]], align 8
> -; CHECK-NEXT:    [[SHR9:%.*]] = lshr i64 [[TMP7]], 5
> +; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i64* [[P3]] to <4 x i64>*
> +; CHECK-NEXT:    [[TMP3:%.*]] = load <4 x i64>, <4 x i64>* [[TMP2]], align 8
> +; CHECK-NEXT:    [[TMP4:%.*]] = lshr <4 x i64> [[TMP3]], <i64 5, i64 5, i64 5, i64 5>
>  ; CHECK-NEXT:    [[ARRAYIDX9:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 5
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
> @@ -175,7 +168,8 @@ define void @store15(float* %p1, i32 %p2, i64* %p3, float* %p4) {
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
> -; CHECK-NEXT:    store i64 [[SHR9]], i64* [[ARRAYIDX8]], align 8
> +; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i64* [[P3]] to <4 x i64>*
> +; CHECK-NEXT:    store <4 x i64> [[TMP4]], <4 x i64>* [[TMP5]], align 8
>  ; CHECK-NEXT:    ret void
>  ;
>  entry:
> @@ -235,18 +229,11 @@ define void @store16(float* %p1, i32 %p2, i64* %p3, float* %p4) {
>  ; CHECK-NEXT:    [[ADD:%.*]] = fadd float [[TMP0]], [[TMP1]]
>  ; CHECK-NEXT:    store float [[ADD]], float* [[ARRAYIDX2]], align 4
>  ; CHECK-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 1
> -; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i64* [[P3]] to <2 x i64>*
> -; CHECK-NEXT:    [[TMP3:%.*]] = load <2 x i64>, <2 x i64>* [[TMP2]], align 8
> -; CHECK-NEXT:    [[TMP4:%.*]] = lshr <2 x i64> [[TMP3]], <i64 5, i64 5>
> -; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i64* [[P3]] to <2 x i64>*
> -; CHECK-NEXT:    store <2 x i64> [[TMP4]], <2 x i64>* [[TMP5]], align 8
>  ; CHECK-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 2
> -; CHECK-NEXT:    [[TMP6:%.*]] = load i64, i64* [[ARRAYIDX6]], align 8
> -; CHECK-NEXT:    [[SHR7:%.*]] = lshr i64 [[TMP6]], 5
> -; CHECK-NEXT:    store i64 [[SHR7]], i64* [[ARRAYIDX6]], align 8
>  ; CHECK-NEXT:    [[ARRAYIDX8:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 3
> -; CHECK-NEXT:    [[TMP7:%.*]] = load i64, i64* [[ARRAYIDX8]], align 8
> -; CHECK-NEXT:    [[SHR9:%.*]] = lshr i64 [[TMP7]], 5
> +; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i64* [[P3]] to <4 x i64>*
> +; CHECK-NEXT:    [[TMP3:%.*]] = load <4 x i64>, <4 x i64>* [[TMP2]], align 8
> +; CHECK-NEXT:    [[TMP4:%.*]] = lshr <4 x i64> [[TMP3]], <i64 5, i64 5, i64 5, i64 5>
>  ; CHECK-NEXT:    [[ARRAYIDX9:%.*]] = getelementptr inbounds i64, i64* [[P3]], i64 5
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
> @@ -264,7 +251,8 @@ define void @store16(float* %p1, i32 %p2, i64* %p3, float* %p4) {
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
>  ; CHECK-NEXT:    store i64 5, i64* [[ARRAYIDX9]], align 8
> -; CHECK-NEXT:    store i64 [[SHR9]], i64* [[ARRAYIDX8]], align 8
> +; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i64* [[P3]] to <4 x i64>*
> +; CHECK-NEXT:    store <4 x i64> [[TMP4]], <4 x i64>* [[TMP5]], align 8
>  ; CHECK-NEXT:    ret void
>  ;
>  entry:
>
>
>
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