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merged 3 commits into from
Jul 9, 2024
Merged

[SLP]Keep the original order in the reductions. #98025

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24233ed
[𝘀𝗽𝗿] initial version
alexey-bataev Jul 8, 2024
135fc8a
Rebase
alexey-bataev Jul 8, 2024
62a60e0
Rebase, fix test checks
alexey-bataev Jul 8, 2024
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37 changes: 14 additions & 23 deletions llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16868,9 +16868,8 @@ class HorizontalReduction {
SmallVectorImpl<Value *> &ExtraArgs,
SmallVectorImpl<Value *> &PossibleReducedVals,
SmallVectorImpl<Instruction *> &ReductionOps) {
for (int I = getFirstOperandIndex(TreeN),
End = getNumberOfOperands(TreeN);
I < End; ++I) {
for (int I : reverse(seq<int>(getFirstOperandIndex(TreeN),
getNumberOfOperands(TreeN)))) {
Value *EdgeVal = getRdxOperand(TreeN, I);
ReducedValsToOps[EdgeVal].push_back(TreeN);
auto *EdgeInst = dyn_cast<Instruction>(EdgeVal);
Expand Down Expand Up @@ -16906,7 +16905,6 @@ class HorizontalReduction {
initReductionOps(Root);
DenseMap<Value *, SmallVector<LoadInst *>> LoadsMap;
SmallSet<size_t, 2> LoadKeyUsed;
SmallPtrSet<Value *, 4> DoNotReverseVals;

auto GenerateLoadsSubkey = [&](size_t Key, LoadInst *LI) {
Value *Ptr = getUnderlyingObject(LI->getPointerOperand());
Expand All @@ -16923,14 +16921,12 @@ class HorizontalReduction {
if (arePointersCompatible(RLI->getPointerOperand(),
LI->getPointerOperand(), TLI)) {
hash_code SubKey = hash_value(RLI->getPointerOperand());
DoNotReverseVals.insert(RLI);
return SubKey;
}
}
if (LIt->second.size() > 2) {
hash_code SubKey =
hash_value(LIt->second.back()->getPointerOperand());
DoNotReverseVals.insert(LIt->second.back());
return SubKey;
}
}
Expand Down Expand Up @@ -16995,24 +16991,19 @@ class HorizontalReduction {
});
int NewIdx = -1;
for (ArrayRef<Value *> Data : PossibleRedValsVect) {
if (isGoodForReduction(Data) ||
(isa<LoadInst>(Data.front()) && NewIdx >= 0 &&
isa<LoadInst>(ReducedVals[NewIdx].front()) &&
getUnderlyingObject(
cast<LoadInst>(Data.front())->getPointerOperand()) ==
getUnderlyingObject(cast<LoadInst>(ReducedVals[NewIdx].front())
->getPointerOperand()))) {
if (NewIdx < 0) {
NewIdx = ReducedVals.size();
ReducedVals.emplace_back();
}
if (DoNotReverseVals.contains(Data.front()))
ReducedVals[NewIdx].append(Data.begin(), Data.end());
else
ReducedVals[NewIdx].append(Data.rbegin(), Data.rend());
} else {
ReducedVals.emplace_back().append(Data.rbegin(), Data.rend());
if (NewIdx < 0 ||
(!isGoodForReduction(Data) &&
(!isa<LoadInst>(Data.front()) ||
!isa<LoadInst>(ReducedVals[NewIdx].front()) ||
getUnderlyingObject(
cast<LoadInst>(Data.front())->getPointerOperand()) !=
getUnderlyingObject(
cast<LoadInst>(ReducedVals[NewIdx].front())
->getPointerOperand())))) {
NewIdx = ReducedVals.size();
ReducedVals.emplace_back();
}
ReducedVals[NewIdx].append(Data.rbegin(), Data.rend());
}
}
// Sort the reduced values by number of same/alternate opcode and/or pointer
Expand Down
53 changes: 25 additions & 28 deletions llvm/test/Transforms/SLPVectorizer/AArch64/getelementptr.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -128,12 +128,12 @@ for.body:

; YAML-LABEL: Function: getelementptr_2x32
; YAML: --- !Passed
; YAML-NEXT: Pass: slp-vectorizer
; YAML-NEXT: Name: VectorizedList
; YAML-NEXT: Function: getelementptr_2x32
; YAML-NEXT: Args:
; YAML-NEXT: - String: 'SLP vectorized with cost '
; YAML-NEXT: - Cost: '6'
; YAML: Pass: slp-vectorizer
; YAML: Name: VectorizedList
; YAML: Function: getelementptr_2x32
; YAML: Args:
; YAML: - String: 'SLP vectorized with cost '
; YAML: - Cost: '4'
; YAML-NEXT: - String: ' and with tree size '
; YAML-NEXT: - TreeSize: '3'

Expand All @@ -143,40 +143,37 @@ define i32 @getelementptr_2x32(ptr nocapture readonly %g, i32 %n, i32 %x, i32 %y
; CHECK-NEXT: [[CMP31:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP31]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; CHECK: for.body.preheader:
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> poison, i32 [[Y:%.*]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i32> [[TMP0]], i32 [[Z:%.*]], i64 1
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> <i32 0, i32 poison>, i32 [[Y:%.*]], i64 1
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.cond.cleanup.loopexit:
; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
; CHECK: for.cond.cleanup:
; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD16:%.*]], [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] ]
; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_RDX:%.*]], [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
; CHECK: for.body:
; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[SUM_032:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[ADD16]], [[FOR_BODY]] ]
; CHECK-NEXT: [[SUM_032:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[OP_RDX]], [[FOR_BODY]] ]
; CHECK-NEXT: [[T4:%.*]] = shl nuw nsw i32 [[INDVARS_IV]], 1
; CHECK-NEXT: [[TMP2:%.*]] = zext nneg i32 [[T4]] to i64
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[G:%.*]], i64 [[TMP2]]
; CHECK-NEXT: [[T6:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: [[ADD1:%.*]] = add nsw i32 [[T6]], [[SUM_032]]
; CHECK-NEXT: [[T7:%.*]] = or disjoint i32 [[T4]], 1
; CHECK-NEXT: [[TMP3:%.*]] = zext nneg i32 [[T7]] to i64
; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, ptr [[G]], i64 [[TMP3]]
; CHECK-NEXT: [[T8:%.*]] = load i32, ptr [[ARRAYIDX5]], align 4
; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[ADD1]], [[T8]]
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> poison, i32 [[T4]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <2 x i32> [[TMP4]], <2 x i32> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP6:%.*]] = add nsw <2 x i32> [[TMP5]], [[TMP1]]
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i32> [[TMP6]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i32> poison, i32 [[T4]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP3:%.*]] = add nsw <2 x i32> [[TMP2]], [[TMP0]]
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP3]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = zext nneg i32 [[TMP4]] to i64
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[G:%.*]], i64 [[TMP5]]
; CHECK-NEXT: [[TMP6:%.*]] = load <2 x i32>, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i32> [[TMP3]], i64 1
; CHECK-NEXT: [[TMP8:%.*]] = sext i32 [[TMP7]] to i64
; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, ptr [[G]], i64 [[TMP8]]
; CHECK-NEXT: [[T10:%.*]] = load i32, ptr [[ARRAYIDX10]], align 4
; CHECK-NEXT: [[ADD11:%.*]] = add nsw i32 [[ADD6]], [[T10]]
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i32> [[TMP6]], i64 1
; CHECK-NEXT: [[TMP10:%.*]] = sext i32 [[TMP9]] to i64
; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, ptr [[G]], i64 [[TMP10]]
; CHECK-NEXT: [[T11:%.*]] = add nsw i32 [[T4]], [[Z:%.*]]
; CHECK-NEXT: [[TMP9:%.*]] = sext i32 [[T11]] to i64
; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, ptr [[G]], i64 [[TMP9]]
; CHECK-NEXT: [[T12:%.*]] = load i32, ptr [[ARRAYIDX15]], align 4
; CHECK-NEXT: [[ADD16]] = add nsw i32 [[ADD11]], [[T12]]
; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <2 x i32> [[TMP6]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> [[TMP10]], i32 [[T10]], i64 2
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[T12]], i64 3
; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP12]])
; CHECK-NEXT: [[OP_RDX]] = add i32 [[TMP13]], [[SUM_032]]
; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]]
Expand Down
20 changes: 10 additions & 10 deletions llvm/test/Transforms/SLPVectorizer/AArch64/loadorder.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -1231,26 +1231,26 @@ define dso_local i32 @full(ptr nocapture noundef readonly %p1, i32 noundef %st1,
; CHECK-NEXT: [[TMP13:%.*]] = load <4 x i8>, ptr [[ADD_PTR64_2]], align 1
; CHECK-NEXT: [[TMP14:%.*]] = load <4 x i8>, ptr [[ARRAYIDX3_3]], align 1
; CHECK-NEXT: [[TMP15:%.*]] = load <4 x i8>, ptr [[ARRAYIDX5_3]], align 1
; CHECK-NEXT: [[TMP16:%.*]] = shufflevector <4 x i8> [[TMP12]], <4 x i8> [[TMP8]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP16:%.*]] = shufflevector <4 x i8> [[TMP8]], <4 x i8> [[TMP12]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP17:%.*]] = shufflevector <4 x i8> [[TMP4]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP18:%.*]] = shufflevector <16 x i8> [[TMP16]], <16 x i8> [[TMP17]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 16, i32 17, i32 18, i32 19, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP19:%.*]] = shufflevector <4 x i8> [[TMP0]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP20:%.*]] = shufflevector <16 x i8> [[TMP18]], <16 x i8> [[TMP19]], <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 16, i32 17, i32 18, i32 19>
; CHECK-NEXT: [[TMP21:%.*]] = zext <16 x i8> [[TMP20]] to <16 x i32>
; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <4 x i8> [[TMP13]], <4 x i8> [[TMP9]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <4 x i8> [[TMP9]], <4 x i8> [[TMP13]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP23:%.*]] = shufflevector <4 x i8> [[TMP5]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP24:%.*]] = shufflevector <16 x i8> [[TMP22]], <16 x i8> [[TMP23]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 16, i32 17, i32 18, i32 19, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP25:%.*]] = shufflevector <4 x i8> [[TMP1]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP26:%.*]] = shufflevector <16 x i8> [[TMP24]], <16 x i8> [[TMP25]], <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 16, i32 17, i32 18, i32 19>
; CHECK-NEXT: [[TMP27:%.*]] = zext <16 x i8> [[TMP26]] to <16 x i32>
; CHECK-NEXT: [[TMP28:%.*]] = sub nsw <16 x i32> [[TMP21]], [[TMP27]]
; CHECK-NEXT: [[TMP29:%.*]] = shufflevector <4 x i8> [[TMP14]], <4 x i8> [[TMP10]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP29:%.*]] = shufflevector <4 x i8> [[TMP10]], <4 x i8> [[TMP14]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP30:%.*]] = shufflevector <4 x i8> [[TMP6]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP31:%.*]] = shufflevector <16 x i8> [[TMP29]], <16 x i8> [[TMP30]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 16, i32 17, i32 18, i32 19, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP32:%.*]] = shufflevector <4 x i8> [[TMP2]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP33:%.*]] = shufflevector <16 x i8> [[TMP31]], <16 x i8> [[TMP32]], <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 16, i32 17, i32 18, i32 19>
; CHECK-NEXT: [[TMP34:%.*]] = zext <16 x i8> [[TMP33]] to <16 x i32>
; CHECK-NEXT: [[TMP35:%.*]] = shufflevector <4 x i8> [[TMP15]], <4 x i8> [[TMP11]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP35:%.*]] = shufflevector <4 x i8> [[TMP11]], <4 x i8> [[TMP15]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP36:%.*]] = shufflevector <4 x i8> [[TMP7]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP37:%.*]] = shufflevector <16 x i8> [[TMP35]], <16 x i8> [[TMP36]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 16, i32 17, i32 18, i32 19, i32 poison, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT: [[TMP38:%.*]] = shufflevector <4 x i8> [[TMP3]], <4 x i8> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
Expand All @@ -1262,16 +1262,16 @@ define dso_local i32 @full(ptr nocapture noundef readonly %p1, i32 noundef %st1,
; CHECK-NEXT: [[TMP44:%.*]] = shufflevector <16 x i32> [[TMP43]], <16 x i32> poison, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 9, i32 8, i32 11, i32 10, i32 13, i32 12, i32 15, i32 14>
; CHECK-NEXT: [[TMP45:%.*]] = add nsw <16 x i32> [[TMP43]], [[TMP44]]
; CHECK-NEXT: [[TMP46:%.*]] = sub nsw <16 x i32> [[TMP43]], [[TMP44]]
; CHECK-NEXT: [[TMP47:%.*]] = shufflevector <16 x i32> [[TMP45]], <16 x i32> [[TMP46]], <16 x i32> <i32 3, i32 7, i32 11, i32 15, i32 22, i32 18, i32 26, i32 30, i32 5, i32 1, i32 9, i32 13, i32 20, i32 16, i32 24, i32 28>
; CHECK-NEXT: [[TMP48:%.*]] = shufflevector <16 x i32> [[TMP47]], <16 x i32> poison, <16 x i32> <i32 9, i32 8, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 1, i32 0, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT: [[TMP47:%.*]] = shufflevector <16 x i32> [[TMP45]], <16 x i32> [[TMP46]], <16 x i32> <i32 3, i32 7, i32 11, i32 15, i32 18, i32 22, i32 26, i32 30, i32 1, i32 5, i32 9, i32 13, i32 16, i32 20, i32 24, i32 28>
; CHECK-NEXT: [[TMP48:%.*]] = shufflevector <16 x i32> [[TMP47]], <16 x i32> poison, <16 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT: [[TMP49:%.*]] = add nsw <16 x i32> [[TMP47]], [[TMP48]]
; CHECK-NEXT: [[TMP50:%.*]] = sub nsw <16 x i32> [[TMP47]], [[TMP48]]
; CHECK-NEXT: [[TMP51:%.*]] = shufflevector <16 x i32> [[TMP49]], <16 x i32> [[TMP50]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
; CHECK-NEXT: [[TMP52:%.*]] = shufflevector <16 x i32> [[TMP51]], <16 x i32> poison, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 9, i32 8, i32 11, i32 10, i32 13, i32 12, i32 15, i32 14>
; CHECK-NEXT: [[TMP53:%.*]] = add nsw <16 x i32> [[TMP51]], [[TMP52]]
; CHECK-NEXT: [[TMP54:%.*]] = sub nsw <16 x i32> [[TMP51]], [[TMP52]]
; CHECK-NEXT: [[TMP55:%.*]] = shufflevector <16 x i32> [[TMP53]], <16 x i32> [[TMP54]], <16 x i32> <i32 0, i32 17, i32 2, i32 19, i32 20, i32 5, i32 6, i32 23, i32 24, i32 9, i32 10, i32 27, i32 28, i32 13, i32 14, i32 31>
; CHECK-NEXT: [[TMP56:%.*]] = shufflevector <16 x i32> [[TMP55]], <16 x i32> poison, <16 x i32> <i32 2, i32 3, i32 0, i32 1, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
; CHECK-NEXT: [[TMP53:%.*]] = sub nsw <16 x i32> [[TMP51]], [[TMP52]]
; CHECK-NEXT: [[TMP54:%.*]] = add nsw <16 x i32> [[TMP51]], [[TMP52]]
; CHECK-NEXT: [[TMP55:%.*]] = shufflevector <16 x i32> [[TMP53]], <16 x i32> [[TMP54]], <16 x i32> <i32 0, i32 17, i32 18, i32 3, i32 4, i32 21, i32 22, i32 7, i32 8, i32 25, i32 26, i32 11, i32 12, i32 29, i32 30, i32 15>
; CHECK-NEXT: [[TMP56:%.*]] = shufflevector <16 x i32> [[TMP55]], <16 x i32> poison, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
; CHECK-NEXT: [[TMP57:%.*]] = add nsw <16 x i32> [[TMP55]], [[TMP56]]
; CHECK-NEXT: [[TMP58:%.*]] = sub nsw <16 x i32> [[TMP55]], [[TMP56]]
; CHECK-NEXT: [[TMP59:%.*]] = shufflevector <16 x i32> [[TMP57]], <16 x i32> [[TMP58]], <16 x i32> <i32 0, i32 1, i32 18, i32 19, i32 4, i32 5, i32 22, i32 23, i32 8, i32 9, i32 26, i32 27, i32 12, i32 13, i32 30, i32 31>
Expand Down
8 changes: 4 additions & 4 deletions llvm/test/Transforms/SLPVectorizer/AArch64/transpose-inseltpoison.ll
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Expand Up @@ -195,10 +195,10 @@ define <4 x i32> @build_vec_v4i32_3_binops(<2 x i32> %v0, <2 x i32> %v1) {

define i32 @reduction_v4i32(<4 x i32> %v0, <4 x i32> %v1) {
; CHECK-LABEL: @reduction_v4i32(
; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = sub <4 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 0, i32 5, i32 3, i32 6>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 1, i32 4, i32 2, i32 7>
; CHECK-NEXT: [[TMP1:%.*]] = sub <4 x i32> [[V0:%.*]], [[V1:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i32> [[V0]], [[V1]]
; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 0, i32 5, i32 7, i32 2>
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> [[TMP2]], <4 x i32> <i32 1, i32 4, i32 6, i32 3>
; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP4]], [[TMP3]]
; CHECK-NEXT: [[TMP6:%.*]] = lshr <4 x i32> [[TMP5]], <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[TMP7:%.*]] = and <4 x i32> [[TMP6]], <i32 65537, i32 65537, i32 65537, i32 65537>
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