[llvm] 55ce296 - [SLP][TTI] Refactoring of `getShuffleCost` `Args` to work like `getArithmeticInstrCost`
Vasileios Porpodas via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 26 11:12:16 PDT 2022
Author: Vasileios Porpodas
Date: 2022-04-26T11:11:29-07:00
New Revision: 55ce296d6f217fd0defed2592ff7b74b79b2c1f0
URL: https://github.com/llvm/llvm-project/commit/55ce296d6f217fd0defed2592ff7b74b79b2c1f0
DIFF: https://github.com/llvm/llvm-project/commit/55ce296d6f217fd0defed2592ff7b74b79b2c1f0.diff
LOG: [SLP][TTI] Refactoring of `getShuffleCost` `Args` to work like `getArithmeticInstrCost`
Before this patch `Args` was used to pass a broadcat's arguments by SLP.
This patch changes this. `Args` is now used for passing the operands of
the shuffle.
Differential Revision: https://reviews.llvm.org/D124202
Added:
Modified:
llvm/include/llvm/Analysis/TargetTransformInfo.h
llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
llvm/include/llvm/CodeGen/BasicTTIImpl.h
llvm/lib/Analysis/TargetTransformInfo.cpp
llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
llvm/lib/Target/ARM/ARMTargetTransformInfo.h
llvm/lib/Target/X86/X86TargetTransformInfo.cpp
llvm/lib/Target/X86/X86TargetTransformInfo.h
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
llvm/test/Analysis/CostModel/AArch64/shuffle-load.ll
llvm/test/Analysis/CostModel/X86/splat-load.ll
Removed:
################################################################################
diff --git a/llvm/include/llvm/Analysis/TargetTransformInfo.h b/llvm/include/llvm/Analysis/TargetTransformInfo.h
index 8ac6485362b29..19a6b14c5487c 100644
--- a/llvm/include/llvm/Analysis/TargetTransformInfo.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfo.h
@@ -1055,7 +1055,7 @@ class TargetTransformInfo {
InstructionCost getShuffleCost(ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask = None, int Index = 0,
VectorType *SubTp = nullptr,
- ArrayRef<Value *> Args = None) const;
+ ArrayRef<const Value *> Args = None) const;
/// Represents a hint about the context in which a cast is used.
///
@@ -1672,7 +1672,7 @@ class TargetTransformInfo::Concept {
virtual InstructionCost getShuffleCost(ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args) = 0;
+ ArrayRef<const Value *> Args) = 0;
virtual InstructionCost getCastInstrCost(unsigned Opcode, Type *Dst,
Type *Src, CastContextHint CCH,
TTI::TargetCostKind CostKind,
@@ -2199,7 +2199,7 @@ class TargetTransformInfo::Model final : public TargetTransformInfo::Concept {
InstructionCost getShuffleCost(ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args) override {
+ ArrayRef<const Value *> Args) override {
return Impl.getShuffleCost(Kind, Tp, Mask, Index, SubTp, Args);
}
InstructionCost getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
diff --git a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
index ff73e62d1f332..9111b74d81ac2 100644
--- a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
@@ -493,7 +493,7 @@ class TargetTransformInfoImplBase {
InstructionCost getShuffleCost(TTI::ShuffleKind Kind, VectorType *Ty,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args = None) const {
+ ArrayRef<const Value *> Args = None) const {
return 1;
}
@@ -1147,13 +1147,14 @@ class TargetTransformInfoImplCRTPBase : public TargetTransformInfoImplBase {
if (Shuffle->isExtractSubvectorMask(SubIndex))
return TargetTTI->getShuffleCost(TTI::SK_ExtractSubvector, VecSrcTy,
Shuffle->getShuffleMask(), SubIndex,
- VecTy);
+ VecTy, Operands);
if (Shuffle->isInsertSubvectorMask(NumSubElts, SubIndex))
return TargetTTI->getShuffleCost(
TTI::SK_InsertSubvector, VecTy, Shuffle->getShuffleMask(),
SubIndex,
- FixedVectorType::get(VecTy->getScalarType(), NumSubElts));
+ FixedVectorType::get(VecTy->getScalarType(), NumSubElts),
+ Operands);
int ReplicationFactor, VF;
if (Shuffle->isReplicationMask(ReplicationFactor, VF)) {
@@ -1176,31 +1177,37 @@ class TargetTransformInfoImplCRTPBase : public TargetTransformInfoImplBase {
if (Shuffle->isReverse())
return TargetTTI->getShuffleCost(TTI::SK_Reverse, VecTy,
- Shuffle->getShuffleMask(), 0, nullptr);
+ Shuffle->getShuffleMask(), 0, nullptr,
+ Operands);
if (Shuffle->isSelect())
return TargetTTI->getShuffleCost(TTI::SK_Select, VecTy,
- Shuffle->getShuffleMask(), 0, nullptr);
+ Shuffle->getShuffleMask(), 0, nullptr,
+ Operands);
if (Shuffle->isTranspose())
return TargetTTI->getShuffleCost(TTI::SK_Transpose, VecTy,
- Shuffle->getShuffleMask(), 0, nullptr);
+ Shuffle->getShuffleMask(), 0, nullptr,
+ Operands);
if (Shuffle->isZeroEltSplat())
return TargetTTI->getShuffleCost(TTI::SK_Broadcast, VecTy,
- Shuffle->getShuffleMask(), 0, nullptr);
+ Shuffle->getShuffleMask(), 0, nullptr,
+ Operands);
if (Shuffle->isSingleSource())
return TargetTTI->getShuffleCost(TTI::SK_PermuteSingleSrc, VecTy,
- Shuffle->getShuffleMask(), 0, nullptr);
+ Shuffle->getShuffleMask(), 0, nullptr,
+ Operands);
if (Shuffle->isInsertSubvectorMask(NumSubElts, SubIndex))
return TargetTTI->getShuffleCost(
TTI::SK_InsertSubvector, VecTy, Shuffle->getShuffleMask(), SubIndex,
- FixedVectorType::get(VecTy->getScalarType(), NumSubElts));
+ FixedVectorType::get(VecTy->getScalarType(), NumSubElts), Operands);
return TargetTTI->getShuffleCost(TTI::SK_PermuteTwoSrc, VecTy,
- Shuffle->getShuffleMask(), 0, nullptr);
+ Shuffle->getShuffleMask(), 0, nullptr,
+ Operands);
}
case Instruction::ExtractElement: {
auto *EEI = dyn_cast<ExtractElementInst>(U);
diff --git a/llvm/include/llvm/CodeGen/BasicTTIImpl.h b/llvm/include/llvm/CodeGen/BasicTTIImpl.h
index d3b2272090d4d..83e9fa0682fdc 100644
--- a/llvm/include/llvm/CodeGen/BasicTTIImpl.h
+++ b/llvm/include/llvm/CodeGen/BasicTTIImpl.h
@@ -872,7 +872,7 @@ class BasicTTIImplBase : public TargetTransformInfoImplCRTPBase<T> {
InstructionCost getShuffleCost(TTI::ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args = None) {
+ ArrayRef<const Value *> Args = None) {
switch (improveShuffleKindFromMask(Kind, Mask)) {
case TTI::SK_Broadcast:
diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
index 8a46569e1730c..df3d33229909b 100644
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -747,7 +747,7 @@ InstructionCost TargetTransformInfo::getArithmeticInstrCost(
InstructionCost TargetTransformInfo::getShuffleCost(
ShuffleKind Kind, VectorType *Ty, ArrayRef<int> Mask, int Index,
- VectorType *SubTp, ArrayRef<Value *> Args) const {
+ VectorType *SubTp, ArrayRef<const Value *> Args) const {
InstructionCost Cost =
TTIImpl->getShuffleCost(Kind, Ty, Mask, Index, SubTp, Args);
assert(Cost >= 0 && "TTI should not produce negative costs!");
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
index 3383296a9f8a9..65f9dbee88699 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -2594,7 +2594,7 @@ InstructionCost AArch64TTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args) {
+ ArrayRef<const Value *> Args) {
Kind = improveShuffleKindFromMask(Kind, Mask);
std::pair<InstructionCost, MVT> LT = TLI->getTypeLegalizationCost(DL, Tp);
if (Kind == TTI::SK_Broadcast || Kind == TTI::SK_Transpose ||
@@ -2603,9 +2603,7 @@ InstructionCost AArch64TTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
// Check for broadcast loads.
if (Kind == TTI::SK_Broadcast) {
- bool IsLoad = !Args.empty() && llvm::all_of(Args, [](const Value *V) {
- return isa<LoadInst>(V);
- });
+ bool IsLoad = !Args.empty() && isa<LoadInst>(Args[0]);
if (IsLoad && LT.second.isVector() &&
isLegalBroadcastLoad(Tp->getElementType(),
LT.second.getVectorElementCount()))
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
index c68676d021960..679ee5fecfbfb 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
@@ -348,7 +348,7 @@ class AArch64TTIImpl : public BasicTTIImplBase<AArch64TTIImpl> {
InstructionCost getShuffleCost(TTI::ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args = None);
+ ArrayRef<const Value *> Args = None);
/// @}
};
diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
index dcaec6606de17..9d376ade084d3 100644
--- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
@@ -1203,7 +1203,7 @@ InstructionCost ARMTTIImpl::getMemcpyCost(const Instruction *I) {
InstructionCost ARMTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
VectorType *Tp, ArrayRef<int> Mask,
int Index, VectorType *SubTp,
- ArrayRef<Value *> Args) {
+ ArrayRef<const Value *> Args) {
Kind = improveShuffleKindFromMask(Kind, Mask);
if (ST->hasNEON()) {
if (Kind == TTI::SK_Broadcast) {
diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.h b/llvm/lib/Target/ARM/ARMTargetTransformInfo.h
index 3139c412aeb87..d7a2bdb3db153 100644
--- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.h
+++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.h
@@ -214,7 +214,7 @@ class ARMTTIImpl : public BasicTTIImplBase<ARMTTIImpl> {
InstructionCost getShuffleCost(TTI::ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args = None);
+ ArrayRef<const Value *> Args = None);
bool preferInLoopReduction(unsigned Opcode, Type *Ty,
TTI::ReductionFlags Flags) const;
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 1079bd68468b0..b018843f939e1 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -1086,7 +1086,7 @@ InstructionCost X86TTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
VectorType *BaseTp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args) {
+ ArrayRef<const Value *> Args) {
// 64-bit packed float vectors (v2f32) are widened to type v4f32.
// 64-bit packed integer vectors (v2i32) are widened to type v4i32.
std::pair<InstructionCost, MVT> LT = TLI->getTypeLegalizationCost(DL, BaseTp);
@@ -1551,9 +1551,8 @@ InstructionCost X86TTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
};
if (ST->hasSSE2()) {
- bool IsLoad = !Args.empty() && llvm::all_of(Args, [](const Value *V) {
- return isa<LoadInst>(V);
- });
+ bool IsLoad =
+ llvm::any_of(Args, [](const auto &V) { return isa<LoadInst>(V); });
if (ST->hasSSE3() && IsLoad)
if (const auto *Entry =
CostTableLookup(SSE3BroadcastLoadTbl, Kind, LT.second)) {
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.h b/llvm/lib/Target/X86/X86TargetTransformInfo.h
index 3dbc2d0b6c2e3..473350365a8ed 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.h
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.h
@@ -137,7 +137,7 @@ class X86TTIImpl : public BasicTTIImplBase<X86TTIImpl> {
InstructionCost getShuffleCost(TTI::ShuffleKind Kind, VectorType *Tp,
ArrayRef<int> Mask, int Index,
VectorType *SubTp,
- ArrayRef<Value *> Args = None);
+ ArrayRef<const Value *> Args = None);
InstructionCost getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
TTI::CastContextHint CCH,
TTI::TargetCostKind CostKind,
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 74eb3f29a8843..ee0b8582a9ab2 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -5328,7 +5328,7 @@ InstructionCost BoUpSLP::getEntryCost(const TreeEntry *E,
"No reused scalars expected for broadcast.");
return TTI->getShuffleCost(TargetTransformInfo::SK_Broadcast, VecTy,
/*Mask=*/None, /*Index=*/0,
- /*SubTp=*/nullptr, /*Args=*/VL);
+ /*SubTp=*/nullptr, /*Args=*/VL[0]);
}
InstructionCost ReuseShuffleCost = 0;
if (NeedToShuffleReuses)
diff --git a/llvm/test/Analysis/CostModel/AArch64/shuffle-load.ll b/llvm/test/Analysis/CostModel/AArch64/shuffle-load.ll
index bc882b19276d3..10ffb99c9ac82 100644
--- a/llvm/test/Analysis/CostModel/AArch64/shuffle-load.ll
+++ b/llvm/test/Analysis/CostModel/AArch64/shuffle-load.ll
@@ -13,45 +13,45 @@ define void @shuffle() {
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv4i8 = load <4 x i8>, ptr undef, align 4
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv4i8 = shufflevector <4 x i8> %lv4i8, <4 x i8> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv8i8 = load <8 x i8>, ptr undef, align 8
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv8i8 = shufflevector <8 x i8> %lv8i8, <8 x i8> undef, <8 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv8i8 = shufflevector <8 x i8> %lv8i8, <8 x i8> undef, <8 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv16i8 = load <16 x i8>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv16i8 = shufflevector <16 x i8> %lv16i8, <16 x i8> undef, <16 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv16i8 = shufflevector <16 x i8> %lv16i8, <16 x i8> undef, <16 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %lv2i16 = load <2 x i16>, ptr undef, align 4
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv2i16 = shufflevector <2 x i16> %lv2i16, <2 x i16> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv4i16 = load <4 x i16>, ptr undef, align 8
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv4i16 = shufflevector <4 x i16> %lv4i16, <4 x i16> undef, <4 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv4i16 = shufflevector <4 x i16> %lv4i16, <4 x i16> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv8i16 = load <8 x i16>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv8i16 = shufflevector <8 x i16> %lv8i16, <8 x i16> undef, <8 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv8i16 = shufflevector <8 x i16> %lv8i16, <8 x i16> undef, <8 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv16i16 = load <16 x i16>, ptr undef, align 32
-; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sv16i16 = shufflevector <16 x i16> %lv16i16, <16 x i16> undef, <16 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv16i16 = shufflevector <16 x i16> %lv16i16, <16 x i16> undef, <16 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv2i32 = load <2 x i32>, ptr undef, align 8
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv2i32 = shufflevector <2 x i32> %lv2i32, <2 x i32> undef, <2 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv2i32 = shufflevector <2 x i32> %lv2i32, <2 x i32> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv4i32 = load <4 x i32>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv4i32 = shufflevector <4 x i32> %lv4i32, <4 x i32> undef, <4 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv4i32 = shufflevector <4 x i32> %lv4i32, <4 x i32> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv8i32 = load <8 x i32>, ptr undef, align 32
-; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sv8i32 = shufflevector <8 x i32> %lv8i32, <8 x i32> undef, <8 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv8i32 = shufflevector <8 x i32> %lv8i32, <8 x i32> undef, <8 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv2i64 = load <2 x i64>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv2i64 = shufflevector <2 x i64> %lv2i64, <2 x i64> undef, <2 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv2i64 = shufflevector <2 x i64> %lv2i64, <2 x i64> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv4i64 = load <4 x i64>, ptr undef, align 32
-; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sv4i64 = shufflevector <4 x i64> %lv4i64, <4 x i64> undef, <4 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv4i64 = shufflevector <4 x i64> %lv4i64, <4 x i64> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv2f16 = load <2 x half>, ptr undef, align 4
-; CHECK-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %sv2f16 = shufflevector <2 x half> %lv2f16, <2 x half> undef, <2 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv2f16 = shufflevector <2 x half> %lv2f16, <2 x half> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv4f16 = load <4 x half>, ptr undef, align 8
-; CHECK-NEXT: Cost Model: Found an estimated cost of 9 for instruction: %sv4f16 = shufflevector <4 x half> %lv4f16, <4 x half> undef, <4 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv4f16 = shufflevector <4 x half> %lv4f16, <4 x half> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv8f16 = load <8 x half>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 21 for instruction: %sv8f16 = shufflevector <8 x half> %lv8f16, <8 x half> undef, <8 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv8f16 = shufflevector <8 x half> %lv8f16, <8 x half> undef, <8 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv16f16 = load <16 x half>, ptr undef, align 32
-; CHECK-NEXT: Cost Model: Found an estimated cost of 42 for instruction: %sv16f16 = shufflevector <16 x half> %lv16f16, <16 x half> undef, <16 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv16f16 = shufflevector <16 x half> %lv16f16, <16 x half> undef, <16 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv2f32 = load <2 x float>, ptr undef, align 8
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv2f32 = shufflevector <2 x float> %lv2f32, <2 x float> undef, <2 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv2f32 = shufflevector <2 x float> %lv2f32, <2 x float> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv4f32 = load <4 x float>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv4f32 = shufflevector <4 x float> %lv4f32, <4 x float> undef, <4 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv4f32 = shufflevector <4 x float> %lv4f32, <4 x float> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv8f32 = load <8 x float>, ptr undef, align 32
-; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sv8f32 = shufflevector <8 x float> %lv8f32, <8 x float> undef, <8 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv8f32 = shufflevector <8 x float> %lv8f32, <8 x float> undef, <8 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %lv2f64 = load <2 x double>, ptr undef, align 16
-; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sv2f64 = shufflevector <2 x double> %lv2f64, <2 x double> undef, <2 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv2f64 = shufflevector <2 x double> %lv2f64, <2 x double> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %lv4f64 = load <4 x double>, ptr undef, align 32
-; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sv4f64 = shufflevector <4 x double> %lv4f64, <4 x double> undef, <4 x i32> zeroinitializer
+; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %sv4f64 = shufflevector <4 x double> %lv4f64, <4 x double> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
%lv2i8 = load <2 x i8>, ptr undef
diff --git a/llvm/test/Analysis/CostModel/X86/splat-load.ll b/llvm/test/Analysis/CostModel/X86/splat-load.ll
index 0d9fd437ec16f..a0a57579c4218 100644
--- a/llvm/test/Analysis/CostModel/X86/splat-load.ll
+++ b/llvm/test/Analysis/CostModel/X86/splat-load.ll
@@ -26,7 +26,7 @@ define void @splat_load_2xdouble(<2 x double> *%ptr) {
;
; SSE3-LABEL: 'splat_load_2xdouble'
; SSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %load = load <2 x double>, <2 x double>* %ptr, align 16
-; SSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %splat_load = shufflevector <2 x double> %load, <2 x double> poison, <2 x i32> zeroinitializer
+; SSE3-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %splat_load = shufflevector <2 x double> %load, <2 x double> poison, <2 x i32> zeroinitializer
; SSE3-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
;
%load = load <2 x double>, <2 x double> *%ptr
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