[llvm] 8030481 - Revert "[SLP]Add detection of shuffled/perfect matching of tree entries."
Alexey Bataev via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 19 14:10:13 PDT 2021
Author: Alexey Bataev
Date: 2021-04-19T14:10:04-07:00
New Revision: 8030481065334eafaae2791998ab1c69fda0eac1
URL: https://github.com/llvm/llvm-project/commit/8030481065334eafaae2791998ab1c69fda0eac1
DIFF: https://github.com/llvm/llvm-project/commit/8030481065334eafaae2791998ab1c69fda0eac1.diff
LOG: Revert "[SLP]Add detection of shuffled/perfect matching of tree entries."
This reverts commit d6fde913790db898e72e27b51defbc7442f3418a to fix
compiler crashes.
Added:
Modified:
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
llvm/test/Transforms/SLPVectorizer/AArch64/gather-cost.ll
llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
Removed:
################################################################################
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index fc3cfefd03048..8d022623e40d7 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -1542,14 +1542,6 @@ class BoUpSLP {
getGatherCost(FixedVectorType *Ty,
const DenseSet<unsigned> &ShuffledIndices) const;
- /// Checks if the gathered \p VL can be represented as shuffle(s) of previous
- /// tree entries.
- /// \returns ShuffleKind, if gathered values can be represented as shuffles of
- /// previous tree entries. \p Mask is filled with the shuffle mask.
- Optional<TargetTransformInfo::ShuffleKind>
- isGatherShuffledEntry(const TreeEntry *TE, SmallVectorImpl<int> &Mask,
- SmallVectorImpl<const TreeEntry *> &Entries);
-
/// \returns the scalarization cost for this list of values. Assuming that
/// this subtree gets vectorized, we may need to extract the values from the
/// roots. This method calculates the cost of extracting the values.
@@ -3568,27 +3560,7 @@ InstructionCost BoUpSLP::getEntryCost(TreeEntry *E) {
return ReuseShuffleCost + Cost;
}
}
- InstructionCost GatherCost = 0;
- SmallVector<int> Mask;
- SmallVector<const TreeEntry *> Entries;
- Optional<TargetTransformInfo::ShuffleKind> Shuffle =
- isGatherShuffledEntry(E, Mask, Entries);
- if (Shuffle.hasValue()) {
- if (ShuffleVectorInst::isIdentityMask(Mask)) {
- LLVM_DEBUG(
- dbgs()
- << "SLP: perfect diamond match for gather bundle that starts with "
- << *VL.front() << ".\n");
- } else {
- LLVM_DEBUG(dbgs() << "SLP: shuffled " << Entries.size()
- << " entries for bundle that starts with "
- << *VL.front() << ".\n");
- GatherCost = TTI->getShuffleCost(*Shuffle, VecTy, Mask);
- }
- } else {
- GatherCost = getGatherCost(VL);
- }
- return ReuseShuffleCost + GatherCost;
+ return ReuseShuffleCost + getGatherCost(VL);
}
assert((E->State == TreeEntry::Vectorize ||
E->State == TreeEntry::ScatterVectorize) &&
@@ -4244,61 +4216,6 @@ InstructionCost BoUpSLP::getTreeCost() {
return Cost;
}
-Optional<TargetTransformInfo::ShuffleKind>
-BoUpSLP::isGatherShuffledEntry(const TreeEntry *TE, SmallVectorImpl<int> &Mask,
- SmallVectorImpl<const TreeEntry *> &Entries) {
- auto *VLIt = find_if(VectorizableTree,
- [TE](const std::unique_ptr<TreeEntry> &EntryPtr) {
- return EntryPtr.get() == TE;
- });
- assert(VLIt != VectorizableTree.end() &&
- "Gathered values should be in the tree.");
- Mask.clear();
- Entries.clear();
- DenseMap<const TreeEntry *, int> Used;
- int NumShuffles = 0;
- for (int I = 0, E = TE->Scalars.size(); I < E; ++I) {
- Value *V = TE->Scalars[I];
- const TreeEntry *VTE = getTreeEntry(V);
- if (!VTE) {
- // Check if it is used in one of the gathered entries.
- const auto *It =
- find_if(make_range(VectorizableTree.begin(), VLIt),
- [V](const std::unique_ptr<TreeEntry> &EntryPtr) {
- return EntryPtr->State == TreeEntry::NeedToGather &&
- is_contained(EntryPtr->Scalars, V);
- });
- if (It != VLIt)
- VTE = It->get();
- }
- if (VTE) {
- auto Res = Used.try_emplace(VTE, NumShuffles);
- if (Res.second) {
- Entries.push_back(VTE);
- ++NumShuffles;
- }
- Mask.push_back(
- Res.first->second * E +
- std::distance(VTE->Scalars.begin(), find(VTE->Scalars, V)));
- continue;
- }
- return None;
- }
- if (NumShuffles == 1) {
- if (ShuffleVectorInst::isReverseMask(Mask))
- return TargetTransformInfo::SK_Reverse;
- return TargetTransformInfo::SK_PermuteSingleSrc;
- }
- if (NumShuffles == 2) {
- if (ShuffleVectorInst::isSelectMask(Mask))
- return TargetTransformInfo::SK_Select;
- if (ShuffleVectorInst::isTransposeMask(Mask))
- return TargetTransformInfo::SK_Transpose;
- return TargetTransformInfo::SK_PermuteTwoSrc;
- }
- return None;
-}
-
InstructionCost
BoUpSLP::getGatherCost(FixedVectorType *Ty,
const DenseSet<unsigned> &ShuffledIndices) const {
@@ -4582,19 +4499,7 @@ Value *BoUpSLP::vectorizeTree(TreeEntry *E) {
bool NeedToShuffleReuses = !E->ReuseShuffleIndices.empty();
if (E->State == TreeEntry::NeedToGather) {
setInsertPointAfterBundle(E);
- Value *Vec;
- SmallVector<int> Mask;
- SmallVector<const TreeEntry *> Entries;
- Optional<TargetTransformInfo::ShuffleKind> Shuffle =
- isGatherShuffledEntry(E, Mask, Entries);
- if (Shuffle.hasValue()) {
- assert((Entries.size() == 1 || Entries.size() == 2) &&
- "Expected shuffle of 1 or 2 entries.");
- Vec = Builder.CreateShuffleVector(Entries.front()->VectorizedValue,
- Entries.back()->VectorizedValue, Mask);
- } else {
- Vec = gather(E->Scalars);
- }
+ Value *Vec = gather(E->Scalars);
if (NeedToShuffleReuses) {
ShuffleBuilder.addMask(E->ReuseShuffleIndices);
Vec = ShuffleBuilder.finalize(Vec);
diff --git a/llvm/test/Transforms/SLPVectorizer/AArch64/gather-cost.ll b/llvm/test/Transforms/SLPVectorizer/AArch64/gather-cost.ll
index 31c63d31f4df1..57db62ace2063 100644
--- a/llvm/test/Transforms/SLPVectorizer/AArch64/gather-cost.ll
+++ b/llvm/test/Transforms/SLPVectorizer/AArch64/gather-cost.ll
@@ -10,7 +10,7 @@ target triple = "aarch64--linux-gnu"
; REMARK-LABEL: Function: gather_multiple_use
; REMARK: Args:
; REMARK-NEXT: - String: 'Vectorized horizontal reduction with cost '
-; REMARK-NEXT: - Cost: '-16'
+; REMARK-NEXT: - Cost: '-7'
;
; REMARK-NOT: Function: gather_load
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll b/llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
index c57f83ecb1869..1a4cbb16b9a91 100644
--- a/llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
+++ b/llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
@@ -4,52 +4,124 @@
define i32 @bar() local_unnamed_addr {
; CHECK-LABEL: @bar(
; CHECK-NEXT: entry:
+; CHECK-NEXT: [[ADD103:%.*]] = add nsw i32 undef, undef
+; CHECK-NEXT: [[SUB104:%.*]] = sub nsw i32 undef, undef
+; CHECK-NEXT: [[ADD105:%.*]] = add nsw i32 undef, undef
+; CHECK-NEXT: [[SUB106:%.*]] = sub nsw i32 undef, undef
+; CHECK-NEXT: [[SHR_I:%.*]] = lshr i32 [[ADD103]], 15
+; CHECK-NEXT: [[AND_I:%.*]] = and i32 [[SHR_I]], 65537
+; CHECK-NEXT: [[MUL_I:%.*]] = mul nuw i32 [[AND_I]], 65535
+; CHECK-NEXT: [[ADD_I:%.*]] = add i32 [[MUL_I]], [[ADD103]]
+; CHECK-NEXT: [[XOR_I:%.*]] = xor i32 [[ADD_I]], [[MUL_I]]
+; CHECK-NEXT: [[SHR_I64:%.*]] = lshr i32 [[ADD105]], 15
+; CHECK-NEXT: [[AND_I65:%.*]] = and i32 [[SHR_I64]], 65537
+; CHECK-NEXT: [[MUL_I66:%.*]] = mul nuw i32 [[AND_I65]], 65535
+; CHECK-NEXT: [[ADD_I67:%.*]] = add i32 [[MUL_I66]], [[ADD105]]
+; CHECK-NEXT: [[XOR_I68:%.*]] = xor i32 [[ADD_I67]], [[MUL_I66]]
+; CHECK-NEXT: [[SHR_I69:%.*]] = lshr i32 [[SUB104]], 15
+; CHECK-NEXT: [[AND_I70:%.*]] = and i32 [[SHR_I69]], 65537
+; CHECK-NEXT: [[MUL_I71:%.*]] = mul nuw i32 [[AND_I70]], 65535
+; CHECK-NEXT: [[ADD_I72:%.*]] = add i32 [[MUL_I71]], [[SUB104]]
+; CHECK-NEXT: [[XOR_I73:%.*]] = xor i32 [[ADD_I72]], [[MUL_I71]]
+; CHECK-NEXT: [[SHR_I74:%.*]] = lshr i32 [[SUB106]], 15
+; CHECK-NEXT: [[AND_I75:%.*]] = and i32 [[SHR_I74]], 65537
+; CHECK-NEXT: [[MUL_I76:%.*]] = mul nuw i32 [[AND_I75]], 65535
+; CHECK-NEXT: [[ADD_I77:%.*]] = add i32 [[MUL_I76]], [[SUB106]]
+; CHECK-NEXT: [[XOR_I78:%.*]] = xor i32 [[ADD_I77]], [[MUL_I76]]
+; CHECK-NEXT: [[ADD110:%.*]] = add i32 [[XOR_I68]], [[XOR_I]]
+; CHECK-NEXT: [[ADD112:%.*]] = add i32 [[ADD110]], [[XOR_I73]]
+; CHECK-NEXT: [[ADD113:%.*]] = add i32 [[ADD112]], [[XOR_I78]]
; CHECK-NEXT: [[ADD78_1:%.*]] = add nsw i32 undef, undef
; CHECK-NEXT: [[SUB86_1:%.*]] = sub nsw i32 undef, undef
; CHECK-NEXT: [[ADD94_1:%.*]] = add nsw i32 undef, undef
; CHECK-NEXT: [[SUB102_1:%.*]] = sub nsw i32 undef, undef
+; CHECK-NEXT: [[ADD103_1:%.*]] = add nsw i32 [[ADD94_1]], [[ADD78_1]]
+; CHECK-NEXT: [[SUB104_1:%.*]] = sub nsw i32 [[ADD78_1]], [[ADD94_1]]
+; CHECK-NEXT: [[ADD105_1:%.*]] = add nsw i32 [[SUB102_1]], [[SUB86_1]]
+; CHECK-NEXT: [[SUB106_1:%.*]] = sub nsw i32 [[SUB86_1]], [[SUB102_1]]
+; CHECK-NEXT: [[SHR_I_1:%.*]] = lshr i32 [[ADD103_1]], 15
+; CHECK-NEXT: [[AND_I_1:%.*]] = and i32 [[SHR_I_1]], 65537
+; CHECK-NEXT: [[MUL_I_1:%.*]] = mul nuw i32 [[AND_I_1]], 65535
+; CHECK-NEXT: [[ADD_I_1:%.*]] = add i32 [[MUL_I_1]], [[ADD103_1]]
+; CHECK-NEXT: [[XOR_I_1:%.*]] = xor i32 [[ADD_I_1]], [[MUL_I_1]]
+; CHECK-NEXT: [[SHR_I64_1:%.*]] = lshr i32 [[ADD105_1]], 15
+; CHECK-NEXT: [[AND_I65_1:%.*]] = and i32 [[SHR_I64_1]], 65537
+; CHECK-NEXT: [[MUL_I66_1:%.*]] = mul nuw i32 [[AND_I65_1]], 65535
+; CHECK-NEXT: [[ADD_I67_1:%.*]] = add i32 [[MUL_I66_1]], [[ADD105_1]]
+; CHECK-NEXT: [[XOR_I68_1:%.*]] = xor i32 [[ADD_I67_1]], [[MUL_I66_1]]
+; CHECK-NEXT: [[SHR_I69_1:%.*]] = lshr i32 [[SUB104_1]], 15
+; CHECK-NEXT: [[AND_I70_1:%.*]] = and i32 [[SHR_I69_1]], 65537
+; CHECK-NEXT: [[MUL_I71_1:%.*]] = mul nuw i32 [[AND_I70_1]], 65535
+; CHECK-NEXT: [[ADD_I72_1:%.*]] = add i32 [[MUL_I71_1]], [[SUB104_1]]
+; CHECK-NEXT: [[XOR_I73_1:%.*]] = xor i32 [[ADD_I72_1]], [[MUL_I71_1]]
+; CHECK-NEXT: [[SHR_I74_1:%.*]] = lshr i32 [[SUB106_1]], 15
+; CHECK-NEXT: [[AND_I75_1:%.*]] = and i32 [[SHR_I74_1]], 65537
+; CHECK-NEXT: [[MUL_I76_1:%.*]] = mul nuw i32 [[AND_I75_1]], 65535
+; CHECK-NEXT: [[ADD_I77_1:%.*]] = add i32 [[MUL_I76_1]], [[SUB106_1]]
+; CHECK-NEXT: [[XOR_I78_1:%.*]] = xor i32 [[ADD_I77_1]], [[MUL_I76_1]]
+; CHECK-NEXT: [[ADD108_1:%.*]] = add i32 [[XOR_I68_1]], [[ADD113]]
+; CHECK-NEXT: [[ADD110_1:%.*]] = add i32 [[ADD108_1]], [[XOR_I_1]]
+; CHECK-NEXT: [[ADD112_1:%.*]] = add i32 [[ADD110_1]], [[XOR_I73_1]]
+; CHECK-NEXT: [[ADD113_1:%.*]] = add i32 [[ADD112_1]], [[XOR_I78_1]]
; CHECK-NEXT: [[ADD78_2:%.*]] = add nsw i32 undef, undef
+; CHECK-NEXT: [[ADD103_2:%.*]] = add nsw i32 undef, [[ADD78_2]]
+; CHECK-NEXT: [[SUB104_2:%.*]] = sub nsw i32 [[ADD78_2]], undef
+; CHECK-NEXT: [[ADD105_2:%.*]] = add nsw i32 undef, undef
+; CHECK-NEXT: [[SUB106_2:%.*]] = sub nsw i32 undef, undef
+; CHECK-NEXT: [[SHR_I_2:%.*]] = lshr i32 [[ADD103_2]], 15
+; CHECK-NEXT: [[AND_I_2:%.*]] = and i32 [[SHR_I_2]], 65537
+; CHECK-NEXT: [[MUL_I_2:%.*]] = mul nuw i32 [[AND_I_2]], 65535
+; CHECK-NEXT: [[ADD_I_2:%.*]] = add i32 [[MUL_I_2]], [[ADD103_2]]
+; CHECK-NEXT: [[XOR_I_2:%.*]] = xor i32 [[ADD_I_2]], [[MUL_I_2]]
+; CHECK-NEXT: [[SHR_I64_2:%.*]] = lshr i32 [[ADD105_2]], 15
+; CHECK-NEXT: [[AND_I65_2:%.*]] = and i32 [[SHR_I64_2]], 65537
+; CHECK-NEXT: [[MUL_I66_2:%.*]] = mul nuw i32 [[AND_I65_2]], 65535
+; CHECK-NEXT: [[ADD_I67_2:%.*]] = add i32 [[MUL_I66_2]], [[ADD105_2]]
+; CHECK-NEXT: [[XOR_I68_2:%.*]] = xor i32 [[ADD_I67_2]], [[MUL_I66_2]]
+; CHECK-NEXT: [[SHR_I69_2:%.*]] = lshr i32 [[SUB104_2]], 15
+; CHECK-NEXT: [[AND_I70_2:%.*]] = and i32 [[SHR_I69_2]], 65537
+; CHECK-NEXT: [[MUL_I71_2:%.*]] = mul nuw i32 [[AND_I70_2]], 65535
+; CHECK-NEXT: [[ADD_I72_2:%.*]] = add i32 [[MUL_I71_2]], [[SUB104_2]]
+; CHECK-NEXT: [[XOR_I73_2:%.*]] = xor i32 [[ADD_I72_2]], [[MUL_I71_2]]
+; CHECK-NEXT: [[SHR_I74_2:%.*]] = lshr i32 [[SUB106_2]], 15
+; CHECK-NEXT: [[AND_I75_2:%.*]] = and i32 [[SHR_I74_2]], 65537
+; CHECK-NEXT: [[MUL_I76_2:%.*]] = mul nuw i32 [[AND_I75_2]], 65535
+; CHECK-NEXT: [[ADD_I77_2:%.*]] = add i32 [[MUL_I76_2]], [[SUB106_2]]
+; CHECK-NEXT: [[XOR_I78_2:%.*]] = xor i32 [[ADD_I77_2]], [[MUL_I76_2]]
+; CHECK-NEXT: [[ADD108_2:%.*]] = add i32 [[XOR_I68_2]], [[ADD113_1]]
+; CHECK-NEXT: [[ADD110_2:%.*]] = add i32 [[ADD108_2]], [[XOR_I_2]]
+; CHECK-NEXT: [[ADD112_2:%.*]] = add i32 [[ADD110_2]], [[XOR_I73_2]]
+; CHECK-NEXT: [[ADD113_2:%.*]] = add i32 [[ADD112_2]], [[XOR_I78_2]]
; CHECK-NEXT: [[SUB102_3:%.*]] = sub nsw i32 undef, undef
-; CHECK-NEXT: [[TMP0:%.*]] = insertelement <16 x i32> poison, i32 [[SUB102_3]], i32 0
-; CHECK-NEXT: [[TMP1:%.*]] = insertelement <16 x i32> [[TMP0]], i32 undef, i32 1
-; CHECK-NEXT: [[TMP2:%.*]] = insertelement <16 x i32> [[TMP1]], i32 [[SUB102_1]], i32 2
-; CHECK-NEXT: [[TMP3:%.*]] = insertelement <16 x i32> [[TMP2]], i32 undef, i32 3
-; CHECK-NEXT: [[TMP4:%.*]] = insertelement <16 x i32> [[TMP3]], i32 undef, i32 4
-; CHECK-NEXT: [[TMP5:%.*]] = insertelement <16 x i32> [[TMP4]], i32 undef, i32 5
-; CHECK-NEXT: [[TMP6:%.*]] = insertelement <16 x i32> [[TMP5]], i32 undef, i32 6
-; CHECK-NEXT: [[TMP7:%.*]] = insertelement <16 x i32> [[TMP6]], i32 [[ADD94_1]], i32 7
-; CHECK-NEXT: [[TMP8:%.*]] = insertelement <16 x i32> [[TMP7]], i32 [[ADD78_1]], i32 8
-; CHECK-NEXT: [[TMP9:%.*]] = insertelement <16 x i32> [[TMP8]], i32 [[SUB86_1]], i32 9
-; CHECK-NEXT: [[TMP10:%.*]] = insertelement <16 x i32> [[TMP9]], i32 undef, i32 10
-; CHECK-NEXT: [[TMP11:%.*]] = insertelement <16 x i32> [[TMP10]], i32 [[ADD78_2]], i32 11
-; CHECK-NEXT: [[TMP12:%.*]] = insertelement <16 x i32> [[TMP11]], i32 undef, i32 12
-; CHECK-NEXT: [[TMP13:%.*]] = insertelement <16 x i32> [[TMP12]], i32 undef, i32 13
-; CHECK-NEXT: [[TMP14:%.*]] = insertelement <16 x i32> [[TMP13]], i32 undef, i32 14
-; CHECK-NEXT: [[TMP15:%.*]] = insertelement <16 x i32> [[TMP14]], i32 undef, i32 15
-; CHECK-NEXT: [[TMP16:%.*]] = insertelement <16 x i32> <i32 undef, i32 undef, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>, i32 [[SUB86_1]], i32 2
-; CHECK-NEXT: [[TMP17:%.*]] = insertelement <16 x i32> [[TMP16]], i32 undef, i32 3
-; CHECK-NEXT: [[TMP18:%.*]] = insertelement <16 x i32> [[TMP17]], i32 undef, i32 4
-; CHECK-NEXT: [[TMP19:%.*]] = insertelement <16 x i32> [[TMP18]], i32 undef, i32 5
-; CHECK-NEXT: [[TMP20:%.*]] = insertelement <16 x i32> [[TMP19]], i32 undef, i32 6
-; CHECK-NEXT: [[TMP21:%.*]] = insertelement <16 x i32> [[TMP20]], i32 [[ADD78_1]], i32 7
-; CHECK-NEXT: [[TMP22:%.*]] = insertelement <16 x i32> [[TMP21]], i32 [[ADD94_1]], i32 8
-; CHECK-NEXT: [[TMP23:%.*]] = insertelement <16 x i32> [[TMP22]], i32 [[SUB102_1]], i32 9
-; CHECK-NEXT: [[TMP24:%.*]] = insertelement <16 x i32> [[TMP23]], i32 [[ADD78_2]], i32 10
-; CHECK-NEXT: [[TMP25:%.*]] = insertelement <16 x i32> [[TMP24]], i32 undef, i32 11
-; CHECK-NEXT: [[TMP26:%.*]] = insertelement <16 x i32> [[TMP25]], i32 undef, i32 12
-; CHECK-NEXT: [[TMP27:%.*]] = insertelement <16 x i32> [[TMP26]], i32 undef, i32 13
-; CHECK-NEXT: [[TMP28:%.*]] = insertelement <16 x i32> [[TMP27]], i32 undef, i32 14
-; CHECK-NEXT: [[TMP29:%.*]] = insertelement <16 x i32> [[TMP28]], i32 [[SUB102_3]], i32 15
-; CHECK-NEXT: [[TMP30:%.*]] = add nsw <16 x i32> [[TMP15]], [[TMP29]]
-; CHECK-NEXT: [[TMP31:%.*]] = sub nsw <16 x i32> [[TMP15]], [[TMP29]]
-; CHECK-NEXT: [[TMP32:%.*]] = shufflevector <16 x i32> [[TMP30]], <16 x i32> [[TMP31]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 21, i32 22, i32 7, i32 24, i32 25, i32 10, i32 27, i32 28, i32 13, i32 30, i32 31>
-; CHECK-NEXT: [[TMP33:%.*]] = lshr <16 x i32> [[TMP32]], <i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
-; CHECK-NEXT: [[TMP34:%.*]] = and <16 x i32> [[TMP33]], <i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537, i32 65537>
-; CHECK-NEXT: [[TMP35:%.*]] = mul nuw <16 x i32> [[TMP34]], <i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535>
-; CHECK-NEXT: [[TMP36:%.*]] = add <16 x i32> [[TMP35]], [[TMP32]]
-; CHECK-NEXT: [[TMP37:%.*]] = xor <16 x i32> [[TMP36]], [[TMP35]]
-; CHECK-NEXT: [[TMP38:%.*]] = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> [[TMP37]])
-; CHECK-NEXT: [[SHR:%.*]] = lshr i32 [[TMP38]], 16
+; CHECK-NEXT: [[ADD103_3:%.*]] = add nsw i32 undef, undef
+; CHECK-NEXT: [[SUB104_3:%.*]] = sub nsw i32 undef, undef
+; CHECK-NEXT: [[ADD105_3:%.*]] = add nsw i32 [[SUB102_3]], undef
+; CHECK-NEXT: [[SUB106_3:%.*]] = sub nsw i32 undef, [[SUB102_3]]
+; CHECK-NEXT: [[SHR_I_3:%.*]] = lshr i32 [[ADD103_3]], 15
+; CHECK-NEXT: [[AND_I_3:%.*]] = and i32 [[SHR_I_3]], 65537
+; CHECK-NEXT: [[MUL_I_3:%.*]] = mul nuw i32 [[AND_I_3]], 65535
+; CHECK-NEXT: [[ADD_I_3:%.*]] = add i32 [[MUL_I_3]], [[ADD103_3]]
+; CHECK-NEXT: [[XOR_I_3:%.*]] = xor i32 [[ADD_I_3]], [[MUL_I_3]]
+; CHECK-NEXT: [[SHR_I64_3:%.*]] = lshr i32 [[ADD105_3]], 15
+; CHECK-NEXT: [[AND_I65_3:%.*]] = and i32 [[SHR_I64_3]], 65537
+; CHECK-NEXT: [[MUL_I66_3:%.*]] = mul nuw i32 [[AND_I65_3]], 65535
+; CHECK-NEXT: [[ADD_I67_3:%.*]] = add i32 [[MUL_I66_3]], [[ADD105_3]]
+; CHECK-NEXT: [[XOR_I68_3:%.*]] = xor i32 [[ADD_I67_3]], [[MUL_I66_3]]
+; CHECK-NEXT: [[SHR_I69_3:%.*]] = lshr i32 [[SUB104_3]], 15
+; CHECK-NEXT: [[AND_I70_3:%.*]] = and i32 [[SHR_I69_3]], 65537
+; CHECK-NEXT: [[MUL_I71_3:%.*]] = mul nuw i32 [[AND_I70_3]], 65535
+; CHECK-NEXT: [[ADD_I72_3:%.*]] = add i32 [[MUL_I71_3]], [[SUB104_3]]
+; CHECK-NEXT: [[XOR_I73_3:%.*]] = xor i32 [[ADD_I72_3]], [[MUL_I71_3]]
+; CHECK-NEXT: [[SHR_I74_3:%.*]] = lshr i32 [[SUB106_3]], 15
+; CHECK-NEXT: [[AND_I75_3:%.*]] = and i32 [[SHR_I74_3]], 65537
+; CHECK-NEXT: [[MUL_I76_3:%.*]] = mul nuw i32 [[AND_I75_3]], 65535
+; CHECK-NEXT: [[ADD_I77_3:%.*]] = add i32 [[MUL_I76_3]], [[SUB106_3]]
+; CHECK-NEXT: [[XOR_I78_3:%.*]] = xor i32 [[ADD_I77_3]], [[MUL_I76_3]]
+; CHECK-NEXT: [[ADD108_3:%.*]] = add i32 [[XOR_I68_3]], [[ADD113_2]]
+; CHECK-NEXT: [[ADD110_3:%.*]] = add i32 [[ADD108_3]], [[XOR_I_3]]
+; CHECK-NEXT: [[ADD112_3:%.*]] = add i32 [[ADD110_3]], [[XOR_I73_3]]
+; CHECK-NEXT: [[ADD113_3:%.*]] = add i32 [[ADD112_3]], [[XOR_I78_3]]
+; CHECK-NEXT: [[SHR:%.*]] = lshr i32 [[ADD113_3]], 16
; CHECK-NEXT: [[ADD119:%.*]] = add nuw nsw i32 undef, [[SHR]]
; CHECK-NEXT: [[SHR120:%.*]] = lshr i32 [[ADD119]], 1
; CHECK-NEXT: ret i32 [[SHR120]]
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