[llvm] [SLP]Add GEP cost estimation for gathered loads. (PR #80867)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 6 08:33:03 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-transforms
Author: Alexey Bataev (alexey-bataev)
<details>
<summary>Changes</summary>
When doing estimation for vectorization of gathered loads, need to
estimate the cost of the pointer (vectorization), as it is done for the
actual vectorized loads. Otherwise may be too optimistic about the cost
of the gathered loads.
---
Patch is 47.73 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/80867.diff
2 Files Affected:
- (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+31-2)
- (modified) llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll (+358-89)
``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 1fe39ca1a485be..dc55dad00caade 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -7170,14 +7170,43 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
TTI.getMemoryOpCost(Instruction::Load, LoadTy, Alignment,
LI->getPointerAddressSpace(), CostKind,
TTI::OperandValueInfo(), LI);
+ // Estimate GEP cost.
+ SmallVector<Value *> PointerOps(VF);
+ for (auto [I, V] : enumerate(VL.slice(P, VF)))
+ PointerOps[I] = cast<LoadInst>(V)->getPointerOperand();
+ InstructionCost ScalarGEPCost;
+ InstructionCost VectorGEPCost;
+ std::tie(ScalarGEPCost, VectorGEPCost) =
+ getGEPCosts(TTI, PointerOps, LI->getPointerOperand(),
+ Instruction::Load, CostKind, LI->getType(), LoadTy);
+ GatherCost += VectorGEPCost - ScalarGEPCost;
}
for (unsigned P : ScatterVectorized) {
auto *LI0 = cast<LoadInst>(VL[P]);
- Align CommonAlignment =
- computeCommonAlignment<LoadInst>(VL.slice(P, VF));
+ ArrayRef<Value *> Slice = VL.slice(P, VF);
+ Align CommonAlignment = computeCommonAlignment<LoadInst>(Slice);
GatherCost += TTI.getGatherScatterOpCost(
Instruction::Load, LoadTy, LI0->getPointerOperand(),
/*VariableMask=*/false, CommonAlignment, CostKind, LI0);
+ // Estimate GEP cost.
+ SmallVector<Value *> PointerOps(VF);
+ for (auto [I, V] : enumerate(Slice))
+ PointerOps[I] = cast<LoadInst>(V)->getPointerOperand();
+ OrdersType Order;
+ if (sortPtrAccesses(PointerOps, LI0->getType(), *R.DL, *R.SE,
+ Order)) {
+ // TODO: improve checks if GEPs can be vectorized.
+ InstructionCost ScalarGEPCost;
+ InstructionCost VectorGEPCost;
+ Value *Ptr0 = PointerOps.front();
+ Type *ScalarTy = Ptr0->getType();
+ std::tie(ScalarGEPCost, VectorGEPCost) = getGEPCosts(
+ TTI, PointerOps, Ptr0, Instruction::GetElementPtr, CostKind,
+ ScalarTy, FixedVectorType::get(ScalarTy, VF));
+ GatherCost += VectorGEPCost - ScalarGEPCost;
+ } else {
+ GatherCost += R.getGatherCost(PointerOps, /*ForPoisonSrc=*/true);
+ }
}
if (NeedInsertSubvectorAnalysis) {
// Add the cost for the subvectors insert.
diff --git a/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll b/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
index ccc31193c72150..dc5fb917886347 100644
--- a/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
+++ b/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
@@ -5,99 +5,368 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
; CHECK-LABEL: define i32 @test(
; CHECK-SAME: ptr [[PIX1:%.*]], ptr [[PIX2:%.*]], i64 [[IDX_EXT:%.*]], i64 [[IDX_EXT63:%.*]], ptr [[ADD_PTR:%.*]], ptr [[ADD_PTR64:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[TMP0:%.*]] = load <4 x i8>, ptr [[PIX1]], align 1
-; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i8>, ptr [[PIX2]], align 1
+; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x ptr> poison, ptr [[PIX1]], i32 0
+; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x ptr> [[TMP0]], <2 x ptr> poison, <2 x i32> zeroinitializer
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, <2 x ptr> [[TMP1]], <2 x i64> <i64 4, i64 6>
+; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x ptr> poison, ptr [[PIX2]], i32 0
+; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <2 x ptr> [[TMP3]], <2 x ptr> poison, <2 x i32> zeroinitializer
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, <2 x ptr> [[TMP4]], <2 x i64> <i64 4, i64 6>
+; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i8, <2 x ptr> [[TMP4]], <2 x i64> <i64 1, i64 3>
+; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, <2 x ptr> [[TMP1]], <2 x i64> <i64 5, i64 7>
+; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i8, <2 x ptr> [[TMP4]], <2 x i64> <i64 5, i64 7>
+; CHECK-NEXT: [[ARRAYIDX20:%.*]] = getelementptr i8, ptr [[PIX1]], i64 2
+; CHECK-NEXT: [[ARRAYIDX22:%.*]] = getelementptr i8, ptr [[PIX2]], i64 2
; CHECK-NEXT: [[ADD_PTR3:%.*]] = getelementptr i8, ptr [[PIX1]], i64 [[IDX_EXT]]
-; CHECK-NEXT: [[ADD_PTR644:%.*]] = getelementptr i8, ptr [[PIX2]], i64 [[IDX_EXT63]]
-; CHECK-NEXT: [[TMP2:%.*]] = load <4 x i8>, ptr [[ADD_PTR3]], align 1
-; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i8>, ptr [[ADD_PTR644]], align 1
-; CHECK-NEXT: [[TMP4:%.*]] = insertelement <8 x ptr> poison, ptr [[PIX1]], i32 1
-; CHECK-NEXT: [[TMP5:%.*]] = insertelement <8 x ptr> [[TMP4]], ptr [[ADD_PTR3]], i32 0
-; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <8 x ptr> [[TMP5]], <8 x ptr> poison, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1>
-; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, <8 x ptr> [[TMP6]], <8 x i64> <i64 4, i64 5, i64 6, i64 7, i64 4, i64 5, i64 6, i64 7>
-; CHECK-NEXT: [[TMP8:%.*]] = call <8 x i8> @llvm.masked.gather.v8i8.v8p0(<8 x ptr> [[TMP7]], i32 1, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i8> poison)
-; CHECK-NEXT: [[TMP9:%.*]] = insertelement <8 x ptr> poison, ptr [[PIX2]], i32 1
-; CHECK-NEXT: [[TMP10:%.*]] = insertelement <8 x ptr> [[TMP9]], ptr [[ADD_PTR644]], i32 0
-; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <8 x ptr> [[TMP10]], <8 x ptr> poison, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1>
-; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i8, <8 x ptr> [[TMP11]], <8 x i64> <i64 4, i64 5, i64 6, i64 7, i64 4, i64 5, i64 6, i64 7>
-; CHECK-NEXT: [[TMP13:%.*]] = call <8 x i8> @llvm.masked.gather.v8i8.v8p0(<8 x ptr> [[TMP12]], i32 1, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i8> poison)
+; CHECK-NEXT: [[TMP9:%.*]] = load i8, ptr [[ADD_PTR3]], align 1
+; CHECK-NEXT: [[CONV_1:%.*]] = zext i8 [[TMP9]] to i32
+; CHECK-NEXT: [[ARRAYIDX8_1:%.*]] = getelementptr i8, ptr [[ADD_PTR3]], i64 1
+; CHECK-NEXT: [[ARRAYIDX32_1:%.*]] = getelementptr i8, ptr [[ADD_PTR3]], i64 3
+; CHECK-NEXT: [[TMP10:%.*]] = load i8, ptr [[ARRAYIDX32_1]], align 1
+; CHECK-NEXT: [[CONV33_1:%.*]] = zext i8 [[TMP10]] to i32
; CHECK-NEXT: [[ADD_PTR_1:%.*]] = getelementptr i8, ptr [[ADD_PTR]], i64 [[IDX_EXT]]
; CHECK-NEXT: [[ADD_PTR64_1:%.*]] = getelementptr i8, ptr [[ADD_PTR64]], i64 [[IDX_EXT63]]
-; CHECK-NEXT: [[ARRAYIDX3_2:%.*]] = getelementptr i8, ptr [[ADD_PTR_1]], i64 4
-; CHECK-NEXT: [[ARRAYIDX5_2:%.*]] = getelementptr i8, ptr [[ADD_PTR64_1]], i64 4
-; CHECK-NEXT: [[TMP14:%.*]] = load <4 x i8>, ptr [[ADD_PTR_1]], align 1
-; CHECK-NEXT: [[TMP15:%.*]] = load <4 x i8>, ptr [[ADD_PTR64_1]], align 1
-; CHECK-NEXT: [[TMP16:%.*]] = load <4 x i8>, ptr [[ARRAYIDX3_2]], align 1
-; CHECK-NEXT: [[TMP17:%.*]] = load <4 x i8>, ptr [[ARRAYIDX5_2]], align 1
+; CHECK-NEXT: [[ARRAYIDX20_2:%.*]] = getelementptr i8, ptr [[ADD_PTR_1]], i64 2
+; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x ptr> poison, ptr [[ADD_PTR_1]], i32 0
+; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x ptr> [[TMP11]], ptr [[ARRAYIDX20_2]], i32 1
+; CHECK-NEXT: [[TMP13:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP12]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP14:%.*]] = zext <2 x i8> [[TMP13]] to <2 x i32>
+; CHECK-NEXT: [[ARRAYIDX22_2:%.*]] = getelementptr i8, ptr [[ADD_PTR64_1]], i64 2
+; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x ptr> poison, ptr [[ADD_PTR64_1]], i32 0
+; CHECK-NEXT: [[TMP16:%.*]] = insertelement <2 x ptr> [[TMP15]], ptr [[ARRAYIDX22_2]], i32 1
+; CHECK-NEXT: [[TMP17:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP16]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP18:%.*]] = zext <2 x i8> [[TMP17]] to <2 x i32>
+; CHECK-NEXT: [[TMP19:%.*]] = sub <2 x i32> [[TMP14]], [[TMP18]]
+; CHECK-NEXT: [[TMP20:%.*]] = shufflevector <2 x ptr> [[TMP12]], <2 x ptr> poison, <2 x i32> zeroinitializer
+; CHECK-NEXT: [[TMP21:%.*]] = getelementptr i8, <2 x ptr> [[TMP20]], <2 x i64> <i64 4, i64 6>
+; CHECK-NEXT: [[TMP22:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP21]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP23:%.*]] = zext <2 x i8> [[TMP22]] to <2 x i32>
+; CHECK-NEXT: [[TMP24:%.*]] = shufflevector <2 x ptr> [[TMP16]], <2 x ptr> poison, <2 x i32> zeroinitializer
+; CHECK-NEXT: [[TMP25:%.*]] = getelementptr i8, <2 x ptr> [[TMP24]], <2 x i64> <i64 4, i64 6>
+; CHECK-NEXT: [[TMP26:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP25]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP27:%.*]] = zext <2 x i8> [[TMP26]] to <2 x i32>
+; CHECK-NEXT: [[TMP28:%.*]] = sub <2 x i32> [[TMP23]], [[TMP27]]
+; CHECK-NEXT: [[TMP29:%.*]] = shl <2 x i32> [[TMP28]], <i32 16, i32 16>
+; CHECK-NEXT: [[TMP30:%.*]] = add <2 x i32> [[TMP29]], [[TMP19]]
+; CHECK-NEXT: [[TMP31:%.*]] = getelementptr i8, <2 x ptr> [[TMP20]], <2 x i64> <i64 1, i64 3>
+; CHECK-NEXT: [[TMP32:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP31]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP33:%.*]] = zext <2 x i8> [[TMP32]] to <2 x i32>
+; CHECK-NEXT: [[TMP34:%.*]] = getelementptr i8, <2 x ptr> [[TMP24]], <2 x i64> <i64 1, i64 3>
+; CHECK-NEXT: [[TMP35:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP34]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP36:%.*]] = zext <2 x i8> [[TMP35]] to <2 x i32>
+; CHECK-NEXT: [[TMP37:%.*]] = sub <2 x i32> [[TMP33]], [[TMP36]]
+; CHECK-NEXT: [[TMP38:%.*]] = getelementptr i8, <2 x ptr> [[TMP20]], <2 x i64> <i64 5, i64 7>
+; CHECK-NEXT: [[TMP39:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP38]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP40:%.*]] = zext <2 x i8> [[TMP39]] to <2 x i32>
+; CHECK-NEXT: [[TMP41:%.*]] = getelementptr i8, <2 x ptr> [[TMP24]], <2 x i64> <i64 5, i64 7>
+; CHECK-NEXT: [[TMP42:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP41]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
+; CHECK-NEXT: [[TMP43:%.*]] = zext <2 x i8> [[TMP42]] to <2 x i32>
+; CHECK-NEXT: [[TMP44:%.*]] = sub <2 x i32> [[TMP40]], [[TMP43]]
+; CHECK-NEXT: [[TMP45:%.*]] = shl <2 x i32> [[TMP44]], <i32 16, i32 16>
+; CHECK-NEXT: [[TMP46:%.*]] = add <2 x i32> [[TMP45]], [[TMP37]]
+; CHECK-NEXT: [[TMP47:%.*]] = sub <2 x i32> [[TMP30]], [[TMP46]]
+; CHECK-NEXT: [[TMP48:%.*]] = extractelement <2 x i32> [[TMP47]], i32 0
+; CHECK-NEXT: [[TMP49:%.*]] = extractelement <2 x i32> [[TMP47]], i32 1
+; CHECK-NEXT: [[SUB59_2:%.*]] = sub i32 [[TMP48]], [[TMP49]]
; CHECK-NEXT: [[ARRAYIDX3_3:%.*]] = getelementptr i8, ptr null, i64 4
-; CHECK-NEXT: [[ARRAYIDX5_3:%.*]] = getelementptr i8, ptr null, i64 4
-; CHECK-NEXT: [[TMP18:%.*]] = insertelement <2 x ptr> <ptr null, ptr poison>, ptr [[ARRAYIDX3_3]], i32 1
-; CHECK-NEXT: [[TMP19:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP18]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT: [[TMP20:%.*]] = load i8, ptr null, align 1
-; CHECK-NEXT: [[TMP21:%.*]] = load <4 x i8>, ptr null, align 1
-; CHECK-NEXT: [[TMP22:%.*]] = load <4 x i8>, ptr null, align 1
-; CHECK-NEXT: [[TMP23:%.*]] = load i8, ptr null, align 1
-; CHECK-NEXT: [[TMP24:%.*]] = load <4 x i8>, ptr [[ARRAYIDX5_3]], align 1
-; CHECK-NEXT: [[TMP25:%.*]] = shufflevector <4 x i8> [[TMP21]], <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 <4 x i8> [[TMP14]], <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: [[TMP27:%.*]] = shufflevector <16 x i8> [[TMP25]], <16 x i8> [[TMP26]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 16, i32 17, i32 18, i32 19, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
-; CHECK-NEXT: [[TMP28:%.*]] = 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: [[TMP29:%.*]] = shufflevector <16 x i8> [[TMP27]], <16 x i8> [[TMP28]], <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 12, i32 13, i32 14, i32 15>
-; CHECK-NEXT: [[TMP30:%.*]] = 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: [[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 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19>
-; CHECK-NEXT: [[TMP32:%.*]] = zext <16 x i8> [[TMP31]] to <16 x i32>
-; CHECK-NEXT: [[TMP33:%.*]] = shufflevector <4 x i8> [[TMP22]], <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: [[TMP34:%.*]] = shufflevector <4 x i8> [[TMP15]], <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: [[TMP35:%.*]] = shufflevector <16 x i8> [[TMP33]], <16 x i8> [[TMP34]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 16, i32 17, i32 18, i32 19, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
-; CHECK-NEXT: [[TMP36:%.*]] = 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>
-; 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 12, i32 13, i32 14, i32 15>
-; CHECK-NEXT: [[TMP38:%.*]] = 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: [[TMP39:%.*]] = shufflevector <16 x i8> [[TMP37]], <16 x i8> [[TMP38]], <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: [[TMP40:%.*]] = zext <16 x i8> [[TMP39]] to <16 x i32>
-; CHECK-NEXT: [[TMP41:%.*]] = sub <16 x i32> [[TMP32]], [[TMP40]]
-; CHECK-NEXT: [[TMP42:%.*]] = insertelement <16 x i8> poison, i8 [[TMP23]], i32 0
-; CHECK-NEXT: [[TMP43:%.*]] = insertelement <16 x i8> [[TMP42]], i8 [[TMP20]], i32 1
-; CHECK-NEXT: [[TMP44:%.*]] = shufflevector <2 x i8> [[TMP19]], <2 x i8> poison, <16 x i32> <i32 0, i32 1, 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>
-; CHECK-NEXT: [[TMP45:%.*]] = shufflevector <16 x i8> [[TMP43]], <16 x i8> [[TMP44]], <16 x i32> <i32 0, i32 1, i32 16, i32 17, 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: [[TMP46:%.*]] = shufflevector <4 x i8> [[TMP16]], <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: [[TMP47:%.*]] = shufflevector <16 x i8> [[TMP45]], <16 x i8> [[TMP46]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 16, i32 17, i32 18, i32 19, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
-; CHECK-NEXT: [[TMP48:%.*]] = shufflevector <8 x i8> [[TMP8]], <8 x i8> poison, <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: [[TMP49:%.*]] = shufflevector <16 x i8> [[TMP47]], <16 x i8> [[TMP48]], <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 20, i32 21, i32 22, i32 23>
-; CHECK-NEXT: [[TMP50:%.*]] = zext <16 x i8> [[TMP49]] to <16 x i32>
-; CHECK-NEXT: [[TMP51:%.*]] = shufflevector <16 x i32> [[TMP50]], <16 x i32> poison, <16 x i32> <i32 3, i32 2, i32 1, i32 0, 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: [[TMP52:%.*]] = shufflevector <4 x i8> [[TMP24]], <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: [[TMP53:%.*]] = shufflevector <4 x i8> [[TMP17]], <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: [[TMP54:%.*]] = shufflevector <16 x i8> [[TMP52]], <16 x i8> [[TMP53]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 16, i32 17, i32 18, i32 19, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
-; CHECK-NEXT: [[TMP55:%.*]] = shufflevector <8 x i8> [[TMP13]], <8 x i8> poison, <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: [[TMP56:%.*]] = shufflevector <16 x i8> [[TMP54]], <16 x i8> [[TMP55]], <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 20, i32 21, i32 22, i32 23>
-; CHECK-NEXT: [[TMP57:%.*]] = zext <16 x i8> [[TMP56]] to <16 x i32>
-; CHECK-NEXT: [[TMP58:%.*]] = sub <16 x i32> [[TMP51]], [[TMP57]]
-; CHECK-NEXT: [[TMP59:%.*]] = shl <16 x i32> [[TMP58]], <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
-; CHECK-NEXT: [[TMP60:%.*]] = add <16 x i32> [[TMP59]], [[TMP41]]
-; CHECK-NEXT: [[TMP61:%.*]] = shufflevector <16 x i32> [[TMP60]], <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: [[TMP62:%.*]] = add <16 x i32> [[TMP60]], [[TMP61]]
-; CHECK-NEXT: [[TMP63:%.*]] = sub <16 x i32> [[TMP60]], [[TMP61]]
-; CHECK-NEXT: [[TMP64:%.*]] = shufflevector <16 x i32> [[TMP62]], <16 x i32> [[TMP63]], <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: [[TMP65:%.*]] = shufflevector <16 x i32> [[TMP64]], <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: [[TMP66:%.*]] = add <16 x i32> [[TMP64]], [[TMP65]]
-; CHECK-NEXT: [[TMP67:%.*]] = sub <16 x i32> [[TMP64]], [[TMP65]]
-; CHECK-NEXT: [[TMP68:%.*]] = shufflevector <16 x i32> [[TMP66]], <16 x i32> [[TMP67]], <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 24, i32 25, i...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/80867
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