[llvm] [InterleavedAccess] Construct interleaved access store with shuffles (PR #164000)
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Mon Oct 20 09:04:34 PDT 2025
https://github.com/ram-NK updated https://github.com/llvm/llvm-project/pull/164000
>From 45eb5701d5dcaa89b4965ee997c8177e4045863a Mon Sep 17 00:00:00 2001
From: Ramkrishnan NK <ramkrishnan.nk at huawei.com>
Date: Fri, 17 Oct 2025 14:41:52 -0400
Subject: [PATCH] [InterleavedAccess] Construct interleaved access store with
shuffles
- [AArch64]: Interleaved access store can handle more elements than
target supported maximum interleaved factor with shuffles.
---
llvm/include/llvm/CodeGen/TargetLowering.h | 5 +
llvm/lib/CodeGen/InterleavedAccessPass.cpp | 13 +-
.../Target/AArch64/AArch64ISelLowering.cpp | 140 +++++++++++++++++-
llvm/lib/Target/AArch64/AArch64ISelLowering.h | 7 +
.../AArch64/AArch64TargetTransformInfo.cpp | 38 ++++-
llvm/test/CodeGen/AArch64/vldn_shuffle.ll | 103 +++++++++++++
.../AArch64/interleaved_store.ll | 117 +++++++++++++++
.../AArch64/replicating-load-store-costs.ll | 2 +-
.../PhaseOrdering/AArch64/interleave_vec.ll | 16 +-
9 files changed, 423 insertions(+), 18 deletions(-)
create mode 100644 llvm/test/Transforms/LoopVectorize/AArch64/interleaved_store.ll
diff --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
index 73f2c55a71125..86956d1c64451 100644
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -3206,6 +3206,11 @@ class LLVM_ABI TargetLoweringBase {
/// Default to be the minimum interleave factor: 2.
virtual unsigned getMaxSupportedInterleaveFactor() const { return 2; }
+ /// Return true if the target can interleave data with shuffles.
+ virtual bool isProfitableToInterleaveWithGatherScatter() const {
+ return false;
+ }
+
/// Lower an interleaved load to target specific intrinsics. Return
/// true on success.
///
diff --git a/llvm/lib/CodeGen/InterleavedAccessPass.cpp b/llvm/lib/CodeGen/InterleavedAccessPass.cpp
index a6a9b5058ad94..c7d44c01f99f3 100644
--- a/llvm/lib/CodeGen/InterleavedAccessPass.cpp
+++ b/llvm/lib/CodeGen/InterleavedAccessPass.cpp
@@ -239,7 +239,8 @@ static bool isDeInterleaveMask(ArrayRef<int> Mask, unsigned &Factor,
/// I.e. <0, LaneLen, ... , LaneLen*(Factor - 1), 1, LaneLen + 1, ...>
/// E.g. For a Factor of 2 (LaneLen=4): <0, 4, 1, 5, 2, 6, 3, 7>
static bool isReInterleaveMask(ShuffleVectorInst *SVI, unsigned &Factor,
- unsigned MaxFactor) {
+ unsigned MaxFactor,
+ bool InterleaveWithShuffles) {
unsigned NumElts = SVI->getShuffleMask().size();
if (NumElts < 4)
return false;
@@ -250,6 +251,13 @@ static bool isReInterleaveMask(ShuffleVectorInst *SVI, unsigned &Factor,
return true;
}
+ if (InterleaveWithShuffles) {
+ for (unsigned i = 1; MaxFactor * i <= 16; i *= 2) {
+ Factor = i * MaxFactor;
+ if (SVI->isInterleave(Factor))
+ return true;
+ }
+ }
return false;
}
@@ -530,7 +538,8 @@ bool InterleavedAccessImpl::lowerInterleavedStore(
cast<FixedVectorType>(SVI->getType())->getNumElements();
// Check if the shufflevector is RE-interleave shuffle.
unsigned Factor;
- if (!isReInterleaveMask(SVI, Factor, MaxFactor))
+ if (!isReInterleaveMask(SVI, Factor, MaxFactor,
+ TLI->isProfitableToInterleaveWithGatherScatter()))
return false;
assert(NumStoredElements % Factor == 0 &&
"number of stored element should be a multiple of Factor");
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 662d84b7a60a8..3f482209ccd29 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -96,6 +96,7 @@
#include <cctype>
#include <cstdint>
#include <cstdlib>
+#include <deque>
#include <iterator>
#include <limits>
#include <optional>
@@ -18023,11 +18024,17 @@ bool AArch64TargetLowering::lowerInterleavedStore(Instruction *Store,
unsigned Factor,
const APInt &GapMask) const {
- assert(Factor >= 2 && Factor <= getMaxSupportedInterleaveFactor() &&
- "Invalid interleave factor");
auto *SI = dyn_cast<StoreInst>(Store);
if (!SI)
return false;
+
+ if (isProfitableToInterleaveWithGatherScatter() &&
+ Factor > getMaxSupportedInterleaveFactor())
+ return lowerInterleavedStoreWithShuffle(SI, SVI, Factor);
+
+ assert(Factor >= 2 && Factor <= getMaxSupportedInterleaveFactor() &&
+ "Invalid interleave factor");
+
assert(!LaneMask && GapMask.popcount() == Factor &&
"Unexpected mask on store");
@@ -18173,6 +18180,135 @@ bool AArch64TargetLowering::lowerInterleavedStore(Instruction *Store,
return true;
}
+/// If the interleaved vector elements are greter than supported MaxFactor
+/// then, interleaving the data with additional shuffles can be used to
+/// achieve the same.
+/// Below shows how 8 interleaved data are shuffled to store with stN
+/// instructions. Data need store in this order v0,v1,v2,v3,v4,v5,v6,v7
+/// v0 v4 v2 v6 v1 v5 v3 v7
+/// | | | | | | | |
+/// \ / \ / \ / \ /
+/// [zip v0,v4] [zip v2,v6] [zip v1,v5] [zip v3,v7]==> stN = 4
+/// | | | |
+/// \ / \ /
+/// \ / \ /
+/// \ / \ /
+/// [zip [v0,v2,v4,v6]] [zip [v1,v3,v5,v7]] ==> stN = 2
+///
+/// In stN = 4 level upper half of interleaved data V0,V1,V2,V3 is store
+/// withone st4 instruction. Lower half V4,V5,V6,V7 store with another st4.
+///
+/// In stN = 2 level first upper half of interleaved data V0,V1 is store
+/// with one st2 instruction. Second set V2,V3 with store with another st2.
+/// Total of 4 st2 are required.
+bool AArch64TargetLowering::lowerInterleavedStoreWithShuffle(
+ StoreInst *SI, ShuffleVectorInst *SVI, unsigned Factor) const {
+ unsigned MaxSupportedFactor = getMaxSupportedInterleaveFactor();
+
+ auto *VecTy = cast<FixedVectorType>(SVI->getType());
+ assert(VecTy->getNumElements() % Factor == 0 && "Invalid interleaved store");
+
+ unsigned LaneLen = VecTy->getNumElements() / Factor;
+ Type *EltTy = VecTy->getElementType();
+ auto *SubVecTy = FixedVectorType::get(EltTy, Factor);
+
+ const DataLayout &DL = SI->getModule()->getDataLayout();
+ bool UseScalable;
+
+ // Skip if we do not have NEON and skip illegal vector types. We can
+ // "legalize" wide vector types into multiple interleaved accesses as long as
+ // the vector types are divisible by 128.
+ if (!Subtarget->hasNEON() ||
+ !isLegalInterleavedAccessType(SubVecTy, DL, UseScalable))
+ return false;
+
+ if (UseScalable)
+ return false;
+
+ std::deque<Value *> Shuffles;
+ Shuffles.push_back(SVI);
+ unsigned ConcatLevel = Factor;
+ while (ConcatLevel > 1) {
+ std::deque<Value *> ShufflesIntermediate;
+ ShufflesIntermediate = Shuffles;
+ Shuffles.clear();
+ while (!ShufflesIntermediate.empty()) {
+ ShuffleVectorInst *SFL =
+ dyn_cast<ShuffleVectorInst>(ShufflesIntermediate.front());
+ if (!SFL)
+ break;
+ ShufflesIntermediate.pop_front();
+
+ Value *Op0 = SFL->getOperand(0);
+ Value *Op1 = SFL->getOperand(1);
+
+ Shuffles.push_back(dyn_cast<Value>(Op0));
+ Shuffles.push_back(dyn_cast<Value>(Op1));
+ }
+ if (!ShufflesIntermediate.empty()) {
+ Shuffles = ShufflesIntermediate;
+ break;
+ }
+ ConcatLevel = ConcatLevel >> 1;
+ }
+
+ if (Shuffles.size() != Factor)
+ return false;
+
+ IRBuilder<> Builder(SI);
+ auto Mask = createInterleaveMask(LaneLen, 2);
+ SmallVector<int, 16> UpperHalfMask, LowerHalfMask;
+ for (unsigned i = 0; i < (2 * LaneLen); i++) {
+ if (i < LaneLen)
+ LowerHalfMask.push_back(Mask[i]);
+ else
+ UpperHalfMask.push_back(Mask[i]);
+ }
+
+ unsigned InterleaveFactor = Factor >> 1;
+ while (InterleaveFactor >= MaxSupportedFactor) {
+ std::deque<Value *> ShufflesIntermediate;
+ for (unsigned j = 0; j < Factor; j += (InterleaveFactor * 2)) {
+ for (unsigned i = 0; i < InterleaveFactor; i++) {
+ auto *Shuffle = Builder.CreateShuffleVector(
+ Shuffles[i + j], Shuffles[i + j + InterleaveFactor], LowerHalfMask);
+ ShufflesIntermediate.push_back(Shuffle);
+ }
+ for (unsigned i = 0; i < InterleaveFactor; i++) {
+ auto *Shuffle = Builder.CreateShuffleVector(
+ Shuffles[i + j], Shuffles[i + j + InterleaveFactor], UpperHalfMask);
+ ShufflesIntermediate.push_back(Shuffle);
+ }
+ }
+
+ Shuffles = ShufflesIntermediate;
+ InterleaveFactor = InterleaveFactor >> 1;
+ }
+
+ Type *PtrTy = SI->getPointerOperandType();
+ auto *STVTy = FixedVectorType::get(SubVecTy->getElementType(), LaneLen);
+
+ Value *BaseAddr = SI->getPointerOperand();
+ Function *StNFunc = getStructuredStoreFunction(
+ SI->getModule(), MaxSupportedFactor, UseScalable, STVTy, PtrTy);
+ for (unsigned i = 0; i < (Factor / MaxSupportedFactor); i++) {
+ SmallVector<Value *, 5> Ops;
+ for (unsigned j = 0; j < MaxSupportedFactor; j++)
+ Ops.push_back(Shuffles[i * MaxSupportedFactor + j]);
+
+ if (i > 0) {
+ // We will compute the pointer operand of each store from the original
+ // base address using GEPs. Cast the base address to a pointer to the
+ // scalar element type.
+ BaseAddr = Builder.CreateConstGEP1_32(
+ SubVecTy->getElementType(), BaseAddr, LaneLen * MaxSupportedFactor);
+ }
+ Ops.push_back(Builder.CreateBitCast(BaseAddr, PtrTy));
+ Builder.CreateCall(StNFunc, Ops);
+ }
+ return true;
+}
+
bool AArch64TargetLowering::lowerDeinterleaveIntrinsicToLoad(
Instruction *Load, Value *Mask, IntrinsicInst *DI) const {
const unsigned Factor = getDeinterleaveIntrinsicFactor(DI->getIntrinsicID());
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.h b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
index 9495c9ffc47aa..867e01664eaae 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
@@ -229,6 +229,10 @@ class AArch64TargetLowering : public TargetLowering {
bool hasPairedLoad(EVT LoadedType, Align &RequiredAlignment) const override;
+ bool isProfitableToInterleaveWithGatherScatter() const override {
+ return true;
+ }
+
unsigned getMaxSupportedInterleaveFactor() const override { return 4; }
bool lowerInterleavedLoad(Instruction *Load, Value *Mask,
@@ -239,6 +243,9 @@ class AArch64TargetLowering : public TargetLowering {
ShuffleVectorInst *SVI, unsigned Factor,
const APInt &GapMask) const override;
+ bool lowerInterleavedStoreWithShuffle(StoreInst *SI, ShuffleVectorInst *SVI,
+ unsigned Factor) const;
+
bool lowerDeinterleaveIntrinsicToLoad(Instruction *Load, Value *Mask,
IntrinsicInst *DI) const override;
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
index 479e34515fc8a..f5a8610bf3548 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -4801,11 +4801,36 @@ InstructionCost AArch64TTIImpl::getInterleavedMemoryOpCost(
if (!VecTy->isScalableTy() && (UseMaskForCond || UseMaskForGaps))
return InstructionCost::getInvalid();
- if (!UseMaskForGaps && Factor <= TLI->getMaxSupportedInterleaveFactor()) {
+ unsigned NumLoadStores = 1;
+ InstructionCost ShuffleCost = 0;
+ bool isInterleaveWithShuffle = false;
+ unsigned MaxSupportedFactor = TLI->getMaxSupportedInterleaveFactor();
+
+ auto *SubVecTy =
+ VectorType::get(VecVTy->getElementType(),
+ VecVTy->getElementCount().divideCoefficientBy(Factor));
+
+ if (TLI->isProfitableToInterleaveWithGatherScatter() &&
+ Opcode == Instruction::Store && (0 == Factor % MaxSupportedFactor) &&
+ Factor > MaxSupportedFactor) {
+ isInterleaveWithShuffle = true;
+ SmallVector<int, 16> Mask;
+ // preparing interleave Mask.
+ for (unsigned i = 0; i < VecVTy->getElementCount().getKnownMinValue() / 2;
+ i++) {
+ for (unsigned j = 0; j < 2; j++)
+ Mask.push_back(j * Factor + i);
+ }
+
+ NumLoadStores = Factor / MaxSupportedFactor;
+ ShuffleCost =
+ (Factor * getShuffleCost(TargetTransformInfo::SK_Splice, VecVTy, VecVTy,
+ Mask, CostKind, 0, SubVecTy));
+ }
+
+ if (!UseMaskForGaps &&
+ (Factor <= MaxSupportedFactor || isInterleaveWithShuffle)) {
unsigned MinElts = VecVTy->getElementCount().getKnownMinValue();
- auto *SubVecTy =
- VectorType::get(VecVTy->getElementType(),
- VecVTy->getElementCount().divideCoefficientBy(Factor));
// ldN/stN only support legal vector types of size 64 or 128 in bits.
// Accesses having vector types that are a multiple of 128 bits can be
@@ -4813,7 +4838,10 @@ InstructionCost AArch64TTIImpl::getInterleavedMemoryOpCost(
bool UseScalable;
if (MinElts % Factor == 0 &&
TLI->isLegalInterleavedAccessType(SubVecTy, DL, UseScalable))
- return Factor * TLI->getNumInterleavedAccesses(SubVecTy, DL, UseScalable);
+ return (Factor *
+ TLI->getNumInterleavedAccesses(SubVecTy, DL, UseScalable) *
+ NumLoadStores) +
+ ShuffleCost;
}
return BaseT::getInterleavedMemoryOpCost(Opcode, VecTy, Factor, Indices,
diff --git a/llvm/test/CodeGen/AArch64/vldn_shuffle.ll b/llvm/test/CodeGen/AArch64/vldn_shuffle.ll
index 3685e9cf85bd6..6d0a0300e0a91 100644
--- a/llvm/test/CodeGen/AArch64/vldn_shuffle.ll
+++ b/llvm/test/CodeGen/AArch64/vldn_shuffle.ll
@@ -730,6 +730,109 @@ entry:
ret void
}
+define void @store_factor8(ptr %ptr, <4 x i32> %a0, <4 x i32> %a1, <4 x i32> %a2, <4 x i32> %a3,
+ <4 x i32> %a4, <4 x i32> %a5, <4 x i32> %a6, <4 x i32> %a7) {
+; CHECK-LABEL: store_factor8:
+; CHECK: .Lfunc_begin17:
+; CHECK-NEXT: .cfi_startproc
+; CHECK-NEXT: // %bb.0:
+; CHECK: zip1 [[V1:.*s]], [[I1:.*s]], [[I5:.*s]]
+; CHECK-NEXT: zip2 [[V5:.*s]], [[I1]], [[I5]]
+; CHECK-NEXT: zip1 [[V2:.*s]], [[I2:.*s]], [[I6:.*s]]
+; CHECK-NEXT: zip2 [[V6:.*s]], [[I2]], [[I6]]
+; CHECK-NEXT: zip1 [[V3:.*s]], [[I3:.*s]], [[I7:.*s]]
+; CHECK-NEXT: zip2 [[V7:.*s]], [[I3]], [[I7]]
+; CHECK-NEXT: zip1 [[V4:.*s]], [[I4:.*s]], [[I8:.*s]]
+; CHECK-NEXT: zip2 [[V8:.*s]], [[I4]], [[I8]]
+; CHECK-NEXT: st4 { [[V1]], [[V2]], [[V3]], [[V4]] }, [x0], #64
+; CHECK-NEXT: st4 { [[V5]], [[V6]], [[V7]], [[V8]] }, [x0]
+; CHECK-NEXT: ret
+
+ %v0 = shufflevector <4 x i32> %a0, <4 x i32> %a1, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v1 = shufflevector <4 x i32> %a2, <4 x i32> %a3, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v2 = shufflevector <4 x i32> %a4, <4 x i32> %a5, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v3 = shufflevector <4 x i32> %a6, <4 x i32> %a7, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+
+ %s0 = shufflevector <8 x i32> %v0, <8 x i32> %v1, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+ %s1 = shufflevector <8 x i32> %v2, <8 x i32> %v3, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+
+ %interleaved.vec = shufflevector <16 x i32> %s0, <16 x i32> %s1, <32 x i32> <i32 0, i32 4, i32 8, i32 12, i32 16, i32 20, i32 24, i32 28, i32 1, i32 5, i32 9, i32 13, i32 17, i32 21, i32 25, i32 29, i32 2, i32 6, i32 10, i32 14, i32 18, i32 22, i32 26, i32 30, i32 3, i32 7, i32 11, i32 15, i32 19, i32 23, i32 27, i32 31>
+ store <32 x i32> %interleaved.vec, ptr %ptr, align 4
+ ret void
+}
+
+define void @store_factor16(ptr %ptr, <4 x i32> %a0, <4 x i32> %a1, <4 x i32> %a2, <4 x i32> %a3,
+ <4 x i32> %a4, <4 x i32> %a5, <4 x i32> %a6, <4 x i32> %a7,
+ <4 x i32> %a8, <4 x i32> %a9, <4 x i32> %a10, <4 x i32> %a11,
+ <4 x i32> %a12, <4 x i32> %a13, <4 x i32> %a14, <4 x i32> %a15) {
+; CHECK-LABEL: store_factor16:
+; CHECK: .Lfunc_begin18:
+; CHECK-NEXT: .cfi_startproc
+; CHECK-NEXT: // %bb.0:
+; CHECK: zip1 [[V05:.*s]], [[I05:.*s]], [[I13:.*s]]
+; CHECK-NEXT: zip1 [[V01:.*s]], [[I01:.*s]], [[I09:.*s]]
+; CHECK-NEXT: zip1 [[V02:.*s]], [[I02:.*s]], [[I10:.*s]]
+; CHECK-NEXT: zip1 [[V06:.*s]], [[I06:.*s]], [[I14:.*s]]
+; CHECK-NEXT: zip1 [[V07:.*s]], [[I07:.*s]], [[I15:.*s]]
+; CHECK-NEXT: zip1 [[V08:.*s]], [[I08:.*s]], [[I16:.*s]]
+; CHECK-NEXT: zip2 [[V09:.*s]], [[I01]], [[I09]]
+; CHECK-NEXT: zip1 [[V03:.*s]], [[I03:.*s]], [[I11:.*s]]
+; CHECK-NEXT: zip1 [[V04:.*s]], [[I04:.*s]], [[I12:.*s]]
+; CHECK-NEXT: zip2 [[V11:.*s]], [[I03]], [[I11]]
+; CHECK-NEXT: zip2 [[V12:.*s]], [[I04]], [[I12]]
+; CHECK-NEXT: zip2 [[V13:.*s]], [[I05]], [[I13]]
+; CHECK-NEXT: zip2 [[V10:.*s]], [[I02]], [[I10]]
+; CHECK-NEXT: zip1 [[V17:.*s]], [[V01]], [[V05]]
+; CHECK-NEXT: zip2 [[V21:.*s]], [[V01]], [[V05]]
+; CHECK-NEXT: zip2 [[V14:.*s]], [[I06]], [[I14]]
+; CHECK-NEXT: zip1 [[V18:.*s]], [[V02]], [[V06]]
+; CHECK-NEXT: zip2 [[V22:.*s]], [[V02]], [[V06]]
+; CHECK-NEXT: zip2 [[V15:.*s]], [[I07]], [[I15]]
+; CHECK-NEXT: zip1 [[V19:.*s]], [[V03]], [[V07]]
+; CHECK-NEXT: zip2 [[V23:.*s]], [[V03]], [[V07]]
+; CHECK-NEXT: zip2 [[V16:.*s]], [[I08]], [[I16]]
+; CHECK-NEXT: zip1 [[V20:.*s]], [[V04]], [[V08]]
+; CHECK-NEXT: zip2 [[V24:.*s]], [[V04]], [[V08]]
+; CHECK-NEXT: zip1 [[V25:.*s]], [[V09]], [[V13]]
+; CHECK-NEXT: zip1 [[V26:.*s]], [[V10]], [[V14]]
+; CHECK-NEXT: zip1 [[V27:.*s]], [[V11]], [[V15]]
+; CHECK-NEXT: zip1 [[V28:.*s]], [[V12]], [[V16]]
+; CHECK-NEXT: st4 { [[V17]], [[V18]], [[V19]], [[V20]] }, [x8], #64
+; CHECK-NEXT: ldp d9, d8, [sp, #16] // 16-byte Folded Reload
+; CHECK-NEXT: st4 { [[V21]], [[V22]], [[V23]], [[V24]] }, [x8]
+; CHECK-NEXT: zip2 [[V29:.*s]], [[V09]], [[V13]]
+; CHECK-NEXT: add x8, x0, #128
+; CHECK-NEXT: zip2 [[V30:.*s]], [[V10]], [[V14]]
+; CHECK-NEXT: zip2 [[V31:.*s]], [[V11]], [[V15]]
+; CHECK-NEXT: zip2 [[V32:.*s]], [[V12]], [[V16]]
+; CHECK-NEXT: st4 { [[V25]], [[V26]], [[V27]], [[V28]] }, [x8]
+; CHECK-NEXT: add x8, x0, #192
+; CHECK-NEXT: st4 { [[V29]], [[V30]], [[V31]], [[V32]] }, [x8]
+; CHECK-NEXT: ldp d11, d10, [sp], #32 // 16-byte Folded Reload
+; CHECK-NEXT: ret
+
+ %v0 = shufflevector <4 x i32> %a0, <4 x i32> %a1, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v1 = shufflevector <4 x i32> %a2, <4 x i32> %a3, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v2 = shufflevector <4 x i32> %a4, <4 x i32> %a5, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v3 = shufflevector <4 x i32> %a6, <4 x i32> %a7, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v4 = shufflevector <4 x i32> %a8, <4 x i32> %a9, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v5 = shufflevector <4 x i32> %a10, <4 x i32> %a11, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v6 = shufflevector <4 x i32> %a12, <4 x i32> %a13, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+ %v7 = shufflevector <4 x i32> %a14, <4 x i32> %a15, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+
+ %s0 = shufflevector <8 x i32> %v0, <8 x i32> %v1, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+ %s1 = shufflevector <8 x i32> %v2, <8 x i32> %v3, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+ %s2 = shufflevector <8 x i32> %v4, <8 x i32> %v5, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+ %s3 = shufflevector <8 x i32> %v6, <8 x i32> %v7, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+
+ %d0 = shufflevector <16 x i32> %s0, <16 x i32> %s1, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
+ %d1 = shufflevector <16 x i32> %s2, <16 x i32> %s3, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
+
+ %interleaved.vec = shufflevector <32 x i32> %d0, <32 x i32> %d1, <64 x i32> <i32 0, i32 4, i32 8, i32 12, i32 16, i32 20, i32 24, i32 28, i32 32, i32 36, i32 40, i32 44, i32 48, i32 52, i32 56, i32 60, i32 1, i32 5, i32 9, i32 13, i32 17, i32 21, i32 25, i32 29, i32 33, i32 37, i32 41, i32 45, i32 49, i32 53, i32 57, i32 61, i32 2, i32 6, i32 10, i32 14, i32 18, i32 22, i32 26, i32 30, i32 34, i32 38, i32 42, i32 46, i32 50, i32 54, i32 58, i32 62, i32 3, i32 7, i32 11, i32 15, i32 19, i32 23, i32 27, i32 31, i32 35, i32 39, i32 43, i32 47, i32 51, i32 55, i32 59, i32 63>
+ store <64 x i32> %interleaved.vec, ptr %ptr, align 4
+ ret void
+}
+
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!0}
diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/interleaved_store.ll b/llvm/test/Transforms/LoopVectorize/AArch64/interleaved_store.ll
new file mode 100644
index 0000000000000..bd5f4e2a3279b
--- /dev/null
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/interleaved_store.ll
@@ -0,0 +1,117 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
+; RUN: opt -passes=loop-vectorize -enable-interleaved-mem-accesses=true -max-interleave-group-factor=16 -S < %s | FileCheck %s
+
+define dso_local void @_Z6unpackPhS_(ptr noalias noundef readonly captures(none) %in, ptr noalias noundef writeonly captures(none) %out) {
+; CHECK-LABEL: define dso_local void @_Z6unpackPhS_(
+; CHECK-SAME: ptr noalias noundef readonly captures(none) [[IN:%.*]], ptr noalias noundef writeonly captures(none) [[OUT:%.*]]) {
+; CHECK: vector.body:
+; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
+; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 16
+; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[OUT]], i64 [[OFFSET_IDX]]
+; CHECK-NEXT: [[OFFSET_IDX2:%.*]] = mul i64 [[INDEX]], 4
+; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[IN]], i64 [[OFFSET_IDX2]]
+; CHECK-NEXT: [[WIDE_VEC:%.*]] = load <16 x i8>, ptr [[NEXT_GEP3]], align 1, !alias.scope [[META0:![0-9]+]]
+; CHECK-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <16 x i8> [[WIDE_VEC]], <16 x i8> poison, <4 x i32> <i32 0, i32 4, i32 8, i32 12>
+; CHECK-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <16 x i8> [[WIDE_VEC]], <16 x i8> poison, <4 x i32> <i32 1, i32 5, i32 9, i32 13>
+; CHECK-NEXT: [[STRIDED_VEC5:%.*]] = shufflevector <16 x i8> [[WIDE_VEC]], <16 x i8> poison, <4 x i32> <i32 2, i32 6, i32 10, i32 14>
+; CHECK-NEXT: [[STRIDED_VEC6:%.*]] = shufflevector <16 x i8> [[WIDE_VEC]], <16 x i8> poison, <4 x i32> <i32 3, i32 7, i32 11, i32 15>
+; CHECK-NEXT: [[TMP0:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[STRIDED_VEC5]]
+; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[STRIDED_VEC4]]
+; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i8> [[STRIDED_VEC5]], [[STRIDED_VEC4]]
+; CHECK-NEXT: [[TMP3:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[TMP2]]
+; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[STRIDED_VEC]]
+; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i8> [[STRIDED_VEC5]], [[STRIDED_VEC]]
+; CHECK-NEXT: [[TMP6:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[TMP5]]
+; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i8> [[STRIDED_VEC4]], [[STRIDED_VEC]]
+; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[TMP7]]
+; CHECK-NEXT: [[TMP9:%.*]] = add <4 x i8> [[STRIDED_VEC5]], [[TMP7]]
+; CHECK-NEXT: [[TMP10:%.*]] = add <4 x i8> [[STRIDED_VEC6]], [[TMP9]]
+; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <4 x i8> zeroinitializer, <4 x i8> [[STRIDED_VEC6]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP12:%.*]] = shufflevector <4 x i8> [[STRIDED_VEC5]], <4 x i8> [[TMP0]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP13:%.*]] = shufflevector <4 x i8> [[STRIDED_VEC4]], <4 x i8> [[TMP1]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP14:%.*]] = shufflevector <4 x i8> [[TMP2]], <4 x i8> [[TMP3]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP15:%.*]] = shufflevector <4 x i8> [[STRIDED_VEC]], <4 x i8> [[TMP4]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP16:%.*]] = shufflevector <4 x i8> [[TMP5]], <4 x i8> [[TMP6]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP17:%.*]] = shufflevector <4 x i8> [[TMP7]], <4 x i8> [[TMP8]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP18:%.*]] = shufflevector <4 x i8> [[TMP9]], <4 x i8> [[TMP10]], <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+; CHECK-NEXT: [[TMP19:%.*]] = shufflevector <8 x i8> [[TMP11]], <8 x i8> [[TMP12]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+; CHECK-NEXT: [[TMP20:%.*]] = shufflevector <8 x i8> [[TMP13]], <8 x i8> [[TMP14]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+; CHECK-NEXT: [[TMP21:%.*]] = shufflevector <8 x i8> [[TMP15]], <8 x i8> [[TMP16]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <8 x i8> [[TMP17]], <8 x i8> [[TMP18]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+; CHECK-NEXT: [[TMP23:%.*]] = shufflevector <16 x i8> [[TMP19]], <16 x i8> [[TMP20]], <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
+; CHECK-NEXT: [[TMP24:%.*]] = shufflevector <16 x i8> [[TMP21]], <16 x i8> [[TMP22]], <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
+; CHECK-NEXT: [[TMP25:%.*]] = shufflevector <32 x i8> [[TMP23]], <32 x i8> [[TMP24]], <64 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31, i32 32, i32 33, i32 34, i32 35, i32 36, i32 37, i32 38, i32 39, i32 40, i32 41, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49, i32 50, i32 51, i32 52, i32 53, i32 54, i32 55, i32 56, i32 57, i32 58, i32 59, i32 60, i32 61, i32 62, i32 63>
+; CHECK-NEXT: [[INTERLEAVED_VEC:%.*]] = shufflevector <64 x i8> [[TMP25]], <64 x i8> poison, <64 x i32> <i32 0, i32 4, i32 8, i32 12, i32 16, i32 20, i32 24, i32 28, i32 32, i32 36, i32 40, i32 44, i32 48, i32 52, i32 56, i32 60, i32 1, i32 5, i32 9, i32 13, i32 17, i32 21, i32 25, i32 29, i32 33, i32 37, i32 41, i32 45, i32 49, i32 53, i32 57, i32 61, i32 2, i32 6, i32 10, i32 14, i32 18, i32 22, i32 26, i32 30, i32 34, i32 38, i32 42, i32 46, i32 50, i32 54, i32 58, i32 62, i32 3, i32 7, i32 11, i32 15, i32 19, i32 23, i32 27, i32 31, i32 35, i32 39, i32 43, i32 47, i32 51, i32 55, i32 59, i32 63>
+; CHECK-NEXT: store <64 x i8> [[INTERLEAVED_VEC]], ptr [[NEXT_GEP]], align 1, !alias.scope [[META3:![0-9]+]], !noalias [[META0]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
+; CHECK-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
+; CHECK-NEXT: br i1 [[TMP26]], label %[[MIDDLE_BLOCK:.*]], label %vector.body, !llvm.loop [[LOOP5:![0-9]+]]
+;
+entry:
+ br label %for.body
+
+for.cond.cleanup: ; preds = %for.body
+ ret void
+
+for.body: ; preds = %entry, %for.body
+ %i.033 = phi i32 [ 0, %entry ], [ %inc17, %for.body ]
+ %out.addr.032 = phi ptr [ %out, %entry ], [ %add.ptr, %for.body ]
+ %in.addr.031 = phi ptr [ %in, %entry ], [ %add.ptr15, %for.body ]
+ store i8 0, ptr %out.addr.032, align 1
+ %arrayidx10 = getelementptr inbounds nuw i8, ptr %in.addr.031, i64 3
+ %0 = load i8, ptr %arrayidx10, align 1
+ %arrayidx14 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 1
+ store i8 %0, ptr %arrayidx14, align 1
+ %arrayidx10.1 = getelementptr inbounds nuw i8, ptr %in.addr.031, i64 2
+ %1 = load i8, ptr %arrayidx10.1, align 1
+ %arrayidx14.1 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 2
+ store i8 %1, ptr %arrayidx14.1, align 1
+ %add.2 = add i8 %0, %1
+ %arrayidx14.2 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 3
+ store i8 %add.2, ptr %arrayidx14.2, align 1
+ %arrayidx10.3 = getelementptr inbounds nuw i8, ptr %in.addr.031, i64 1
+ %2 = load i8, ptr %arrayidx10.3, align 1
+ %arrayidx14.3 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 4
+ store i8 %2, ptr %arrayidx14.3, align 1
+ %add.4 = add i8 %0, %2
+ %arrayidx14.4 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 5
+ store i8 %add.4, ptr %arrayidx14.4, align 1
+ %add.5 = add i8 %1, %2
+ %arrayidx14.5 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 6
+ store i8 %add.5, ptr %arrayidx14.5, align 1
+ %add.6 = add i8 %0, %add.5
+ %arrayidx14.6 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 7
+ store i8 %add.6, ptr %arrayidx14.6, align 1
+ %3 = load i8, ptr %in.addr.031, align 1
+ %arrayidx14.7 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 8
+ store i8 %3, ptr %arrayidx14.7, align 1
+ %add.8 = add i8 %0, %3
+ %arrayidx14.8 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 9
+ store i8 %add.8, ptr %arrayidx14.8, align 1
+ %add.9 = add i8 %1, %3
+ %arrayidx14.9 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 10
+ store i8 %add.9, ptr %arrayidx14.9, align 1
+ %add.10 = add i8 %0, %add.9
+ %arrayidx14.10 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 11
+ store i8 %add.10, ptr %arrayidx14.10, align 1
+ %add.11 = add i8 %2, %3
+ %arrayidx14.11 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 12
+ store i8 %add.11, ptr %arrayidx14.11, align 1
+ %add.12 = add i8 %0, %add.11
+ %arrayidx14.12 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 13
+ store i8 %add.12, ptr %arrayidx14.12, align 1
+ %add.13 = add i8 %1, %add.11
+ %arrayidx14.13 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 14
+ store i8 %add.13, ptr %arrayidx14.13, align 1
+ %add.14 = add i8 %0, %add.13
+ %arrayidx14.14 = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 15
+ store i8 %add.14, ptr %arrayidx14.14, align 1
+ %add.ptr = getelementptr inbounds nuw i8, ptr %out.addr.032, i64 16
+ %add.ptr15 = getelementptr inbounds nuw i8, ptr %in.addr.031, i64 4
+ %inc17 = add nuw nsw i32 %i.033, 1
+ %exitcond.not = icmp eq i32 %inc17, 32
+ br i1 %exitcond.not, label %for.cond.cleanup, label %for.body, !llvm.loop !0
+}
+
+!0 = distinct !{!0, !1}
+!1 = !{!"llvm.loop.mustprogress"}
diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/replicating-load-store-costs.ll b/llvm/test/Transforms/LoopVectorize/AArch64/replicating-load-store-costs.ll
index aff2c4cb644eb..c5da14743e3c8 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/replicating-load-store-costs.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/replicating-load-store-costs.ll
@@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "scalar.ph:" --version 6
-; RUN: opt -p loop-vectorize -S %s | FileCheck %s
+; RUN: opt -p loop-vectorize -max-interleave-group-factor=4 -S %s | FileCheck %s
target triple = "arm64-apple-macosx15.0.0"
diff --git a/llvm/test/Transforms/PhaseOrdering/AArch64/interleave_vec.ll b/llvm/test/Transforms/PhaseOrdering/AArch64/interleave_vec.ll
index 2dceb27165c4d..4450353e476e1 100644
--- a/llvm/test/Transforms/PhaseOrdering/AArch64/interleave_vec.ll
+++ b/llvm/test/Transforms/PhaseOrdering/AArch64/interleave_vec.ll
@@ -925,20 +925,20 @@ define void @same_op8_splat(ptr noalias noundef %a, ptr noundef %b, ptr noundef
; CHECK-SAME: ptr noalias noundef captures(none) [[A:%.*]], ptr noundef readonly captures(none) [[B:%.*]], ptr noundef readonly captures(none) [[C:%.*]]) local_unnamed_addr #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[C]], align 4
-; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[TMP0]], i64 0
-; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <16 x i32> zeroinitializer
+; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i64 0
+; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <32 x i32> zeroinitializer
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 3
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds nuw float, ptr [[B]], i64 [[OFFSET_IDX]]
-; CHECK-NEXT: [[WIDE_VEC:%.*]] = load <16 x float>, ptr [[TMP5]], align 4
+; CHECK-NEXT: [[WIDE_VEC:%.*]] = load <32 x float>, ptr [[TMP5]], align 4
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds nuw float, ptr [[A]], i64 [[OFFSET_IDX]]
-; CHECK-NEXT: [[WIDE_VEC19:%.*]] = load <16 x float>, ptr [[TMP6]], align 4
-; CHECK-NEXT: [[TMP4:%.*]] = fmul fast <16 x float> [[WIDE_VEC]], [[TMP1]]
-; CHECK-NEXT: [[INTERLEAVED_VEC:%.*]] = fadd fast <16 x float> [[WIDE_VEC19]], [[TMP4]]
-; CHECK-NEXT: store <16 x float> [[INTERLEAVED_VEC]], ptr [[TMP6]], align 4
-; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
+; CHECK-NEXT: [[WIDE_VEC19:%.*]] = load <32 x float>, ptr [[TMP6]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = fmul fast <32 x float> [[WIDE_VEC]], [[TMP1]]
+; CHECK-NEXT: [[INTERLEAVED_VEC:%.*]] = fadd fast <32 x float> [[WIDE_VEC19]], [[TMP4]]
+; CHECK-NEXT: store <32 x float> [[INTERLEAVED_VEC]], ptr [[TMP6]], align 4
+; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP25:%.*]] = icmp eq i64 [[INDEX_NEXT]], 144
; CHECK-NEXT: br i1 [[TMP25]], label %[[FOR_END11:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK: [[FOR_END11]]:
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