[llvm] [SLP]Try detect strided loads, if any pointer op require extraction. (PR #101668)

Alexey Bataev via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 2 06:08:33 PDT 2024


https://github.com/alexey-bataev created https://github.com/llvm/llvm-project/pull/101668

If any pointer operand of the non-cosencutive loads is an instructions
with the user, which is not part of the current graph, and, thus,
requires emission of the extractelement instruction, better to try to
detect if the load sequence can be repsented as strided load and
extractelement instructions for pointers are not required.


>From 37a61081f83ff35978086ae1f930bb0aff7e5fa6 Mon Sep 17 00:00:00 2001
From: Alexey Bataev <a.bataev at outlook.com>
Date: Fri, 2 Aug 2024 13:08:24 +0000
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
 =?UTF-8?q?l=20version?=
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Created using spr 1.3.5
---
 .../Transforms/Vectorize/SLPVectorizer.cpp    |  22 +-
 .../SLPVectorizer/RISCV/complex-loads.ll      | 415 ++++++++----------
 .../SLPVectorizer/RISCV/reductions.ll         |  50 +--
 .../strided-loads-with-external-use-ptr.ll    |  17 +-
 4 files changed, 218 insertions(+), 286 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 8d2ce6bad6af7..cdbdc1a48a62e 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -4617,12 +4617,21 @@ BoUpSLP::LoadsState BoUpSLP::canVectorizeLoads(
       // 3. The loads are ordered, or number of unordered loads <=
       // MaxProfitableUnorderedLoads, or loads are in reversed order.
       // (this check is to avoid extra costs for very expensive shuffles).
-      if (IsPossibleStrided && (((Sz > MinProfitableStridedLoads ||
-                                  (static_cast<unsigned>(std::abs(*Diff)) <=
-                                       MaxProfitableLoadStride * Sz &&
-                                   isPowerOf2_32(std::abs(*Diff)))) &&
-                                 static_cast<unsigned>(std::abs(*Diff)) > Sz) ||
-                                *Diff == -(static_cast<int>(Sz) - 1))) {
+      // 4. Any pointer operand is an instruction with the users outside of the
+      // current graph (for masked gathers extra extractelement instructions
+      // might be required).
+      if (IsPossibleStrided &&
+          (((Sz > MinProfitableStridedLoads ||
+             (static_cast<unsigned>(std::abs(*Diff)) <=
+                  MaxProfitableLoadStride * Sz &&
+              isPowerOf2_32(std::abs(*Diff)))) &&
+            static_cast<unsigned>(std::abs(*Diff)) > Sz) ||
+           *Diff == -(static_cast<int>(Sz) - 1) ||
+           any_of(PointerOps, [&](Value *V) {
+             return isa<Instruction>(V) && any_of(V->users(), [&](User *U) {
+                      return !getTreeEntry(U) && !MustGather.contains(U);
+                    });
+           }))) {
         int Stride = *Diff / static_cast<int>(Sz - 1);
         if (*Diff == Stride * static_cast<int>(Sz - 1)) {
           Align Alignment =
@@ -10074,6 +10083,7 @@ bool BoUpSLP::isFullyVectorizableTinyTree(bool ForReduction) const {
   // We only handle trees of heights 1 and 2.
   if (VectorizableTree.size() == 1 &&
       (VectorizableTree[0]->State == TreeEntry::Vectorize ||
+       VectorizableTree[0]->State == TreeEntry::StridedVectorize ||
        (ForReduction &&
         AreVectorizableGathers(VectorizableTree[0].get(),
                                VectorizableTree[0]->Scalars.size()) &&
diff --git a/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll b/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
index aa9a070a79450..744c5733b9377 100644
--- a/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
+++ b/llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
-; RUN: opt -S -mtriple riscv64-unknown-linux-gnu < %s --passes=slp-vectorizer -mattr=+v -slp-threshold=-20 | FileCheck %s
+; RUN: opt -S -mtriple riscv64-unknown-linux-gnu < %s --passes=slp-vectorizer -mattr=+v -slp-threshold=-15 | FileCheck %s
 
 define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.ptr, ptr %add.ptr64) {
 ; CHECK-LABEL: define i32 @test(
@@ -7,17 +7,12 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr [[PIX1]], align 1
 ; CHECK-NEXT:    [[CONV1:%.*]] = zext i8 [[TMP0]] to i32
-; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x ptr> poison, ptr [[PIX1]], i32 0
-; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <2 x ptr> [[TMP1]], <2 x ptr> poison, <2 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i8, <2 x ptr> [[TMP2]], <2 x i64> <i64 4, i64 6>
-; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <2 x ptr> poison, ptr [[PIX2]], i32 0
-; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <2 x ptr> [[TMP4]], <2 x ptr> poison, <2 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr i8, <2 x ptr> [[TMP5]], <2 x i64> <i64 4, i64 6>
+; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i8, ptr [[PIX1]], i64 4
+; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr i8, ptr [[PIX2]], i64 4
 ; CHECK-NEXT:    [[ARRAYIDX8:%.*]] = getelementptr i8, ptr [[PIX1]], i64 1
-; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr i8, <2 x ptr> [[TMP5]], <2 x i64> <i64 1, i64 3>
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr i8, <2 x ptr> [[TMP2]], <2 x i64> <i64 5, i64 7>
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr i8, <2 x ptr> [[TMP5]], <2 x i64> <i64 5, i64 7>
-; CHECK-NEXT:    [[ARRAYIDX22:%.*]] = getelementptr i8, ptr [[PIX2]], i64 2
+; CHECK-NEXT:    [[ARRAYIDX22:%.*]] = getelementptr i8, ptr [[PIX2]], i64 1
+; CHECK-NEXT:    [[ARRAYIDX25:%.*]] = getelementptr i8, ptr [[PIX1]], i64 5
+; CHECK-NEXT:    [[ARRAYIDX27:%.*]] = getelementptr i8, ptr [[PIX2]], i64 5
 ; CHECK-NEXT:    [[ARRAYIDX32:%.*]] = getelementptr i8, ptr [[PIX1]], i64 3
 ; CHECK-NEXT:    [[TMP10:%.*]] = load i8, ptr [[ARRAYIDX32]], align 1
 ; CHECK-NEXT:    [[CONV33:%.*]] = zext i8 [[TMP10]] to i32
@@ -25,10 +20,12 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
 ; CHECK-NEXT:    [[ADD_PTR644:%.*]] = getelementptr i8, ptr [[PIX2]], i64 [[IDX_EXT63]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = load i8, ptr [[ADD_PTR3]], align 1
 ; CHECK-NEXT:    [[CONV_1:%.*]] = zext i8 [[TMP11]] to i32
-; CHECK-NEXT:    [[TMP12:%.*]] = load i8, ptr [[ADD_PTR644]], align 1
+; CHECK-NEXT:    [[ARRAYIDX3_1:%.*]] = getelementptr i8, ptr [[ADD_PTR3]], i64 4
+; CHECK-NEXT:    [[ARRAYIDX5_1:%.*]] = getelementptr i8, ptr [[ADD_PTR644]], i64 4
 ; CHECK-NEXT:    [[ARRAYIDX8_1:%.*]] = getelementptr i8, ptr [[ADD_PTR3]], i64 1
-; CHECK-NEXT:    [[ARRAYIDX22_1:%.*]] = getelementptr i8, ptr [[ADD_PTR644]], i64 2
-; CHECK-NEXT:    [[TMP13:%.*]] = load i8, ptr [[ARRAYIDX22_1]], align 1
+; CHECK-NEXT:    [[ARRAYIDX22_1:%.*]] = getelementptr i8, ptr [[ADD_PTR644]], i64 1
+; CHECK-NEXT:    [[ARRAYIDX25_1:%.*]] = getelementptr i8, ptr [[ADD_PTR3]], i64 5
+; CHECK-NEXT:    [[ARRAYIDX27_1:%.*]] = getelementptr i8, ptr [[ADD_PTR644]], i64 5
 ; CHECK-NEXT:    [[ARRAYIDX32_1:%.*]] = getelementptr i8, ptr [[ADD_PTR3]], i64 3
 ; CHECK-NEXT:    [[TMP14:%.*]] = load i8, ptr [[ARRAYIDX32_1]], align 1
 ; CHECK-NEXT:    [[CONV33_1:%.*]] = zext i8 [[TMP14]] to i32
@@ -36,178 +33,193 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
 ; 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:    [[TMP15:%.*]] = load <2 x i8>, ptr [[ADD_PTR_1]], align 1
-; CHECK-NEXT:    [[TMP16:%.*]] = zext <2 x i8> [[TMP15]] to <2 x i32>
-; CHECK-NEXT:    [[TMP17:%.*]] = load <2 x i8>, ptr [[ADD_PTR64_1]], align 1
-; CHECK-NEXT:    [[TMP18:%.*]] = zext <2 x i8> [[TMP17]] to <2 x i32>
-; CHECK-NEXT:    [[TMP19:%.*]] = sub <2 x i32> [[TMP16]], [[TMP18]]
-; CHECK-NEXT:    [[TMP20:%.*]] = load <2 x i8>, ptr [[ARRAYIDX3_2]], align 1
-; CHECK-NEXT:    [[TMP21:%.*]] = zext <2 x i8> [[TMP20]] to <2 x i32>
-; CHECK-NEXT:    [[TMP22:%.*]] = load <2 x i8>, ptr [[ARRAYIDX5_2]], align 1
-; CHECK-NEXT:    [[TMP23:%.*]] = zext <2 x i8> [[TMP22]] to <2 x i32>
-; CHECK-NEXT:    [[TMP24:%.*]] = sub <2 x i32> [[TMP21]], [[TMP23]]
+; CHECK-NEXT:    [[TMP4:%.*]] = load <2 x i8>, ptr [[ADD_PTR_1]], align 1
+; CHECK-NEXT:    [[TMP16:%.*]] = zext <2 x i8> [[TMP4]] to <2 x i32>
+; CHECK-NEXT:    [[TMP6:%.*]] = load <2 x i8>, ptr [[ADD_PTR64_1]], align 1
+; CHECK-NEXT:    [[TMP7:%.*]] = zext <2 x i8> [[TMP6]] to <2 x i32>
+; CHECK-NEXT:    [[TMP19:%.*]] = sub <2 x i32> [[TMP16]], [[TMP7]]
+; CHECK-NEXT:    [[TMP9:%.*]] = load <2 x i8>, ptr [[ARRAYIDX3_2]], align 1
+; CHECK-NEXT:    [[TMP13:%.*]] = zext <2 x i8> [[TMP9]] to <2 x i32>
+; CHECK-NEXT:    [[TMP15:%.*]] = load <2 x i8>, ptr [[ARRAYIDX5_2]], align 1
+; CHECK-NEXT:    [[TMP12:%.*]] = zext <2 x i8> [[TMP15]] to <2 x i32>
+; CHECK-NEXT:    [[TMP24:%.*]] = sub <2 x i32> [[TMP13]], [[TMP12]]
 ; CHECK-NEXT:    [[TMP25:%.*]] = shl <2 x i32> [[TMP24]], <i32 16, i32 16>
 ; CHECK-NEXT:    [[TMP26:%.*]] = add <2 x i32> [[TMP25]], [[TMP19]]
 ; CHECK-NEXT:    [[ARRAYIDX20_2:%.*]] = getelementptr i8, ptr [[ADD_PTR_1]], i64 2
 ; CHECK-NEXT:    [[ARRAYIDX22_2:%.*]] = getelementptr i8, ptr [[ADD_PTR64_1]], i64 2
 ; CHECK-NEXT:    [[ARRAYIDX25_2:%.*]] = getelementptr i8, ptr [[ADD_PTR_1]], i64 6
 ; CHECK-NEXT:    [[ARRAYIDX27_2:%.*]] = getelementptr i8, ptr [[ADD_PTR64_1]], i64 6
-; CHECK-NEXT:    [[TMP27:%.*]] = load <2 x i8>, ptr [[ARRAYIDX20_2]], align 1
-; CHECK-NEXT:    [[TMP28:%.*]] = zext <2 x i8> [[TMP27]] to <2 x i32>
-; CHECK-NEXT:    [[TMP29:%.*]] = load <2 x i8>, ptr [[ARRAYIDX22_2]], align 1
-; CHECK-NEXT:    [[TMP30:%.*]] = zext <2 x i8> [[TMP29]] to <2 x i32>
-; CHECK-NEXT:    [[TMP31:%.*]] = sub <2 x i32> [[TMP28]], [[TMP30]]
-; CHECK-NEXT:    [[TMP32:%.*]] = load <2 x i8>, ptr [[ARRAYIDX25_2]], align 1
-; CHECK-NEXT:    [[TMP33:%.*]] = zext <2 x i8> [[TMP32]] to <2 x i32>
-; CHECK-NEXT:    [[TMP34:%.*]] = load <2 x i8>, ptr [[ARRAYIDX27_2]], align 1
-; CHECK-NEXT:    [[TMP35:%.*]] = zext <2 x i8> [[TMP34]] to <2 x i32>
-; CHECK-NEXT:    [[TMP36:%.*]] = sub <2 x i32> [[TMP33]], [[TMP35]]
+; CHECK-NEXT:    [[TMP20:%.*]] = load <2 x i8>, ptr [[ARRAYIDX20_2]], align 1
+; CHECK-NEXT:    [[TMP17:%.*]] = zext <2 x i8> [[TMP20]] to <2 x i32>
+; CHECK-NEXT:    [[TMP18:%.*]] = load <2 x i8>, ptr [[ARRAYIDX22_2]], align 1
+; CHECK-NEXT:    [[TMP27:%.*]] = zext <2 x i8> [[TMP18]] to <2 x i32>
+; CHECK-NEXT:    [[TMP45:%.*]] = sub <2 x i32> [[TMP17]], [[TMP27]]
+; CHECK-NEXT:    [[TMP21:%.*]] = load <2 x i8>, ptr [[ARRAYIDX25_2]], align 1
+; CHECK-NEXT:    [[TMP22:%.*]] = zext <2 x i8> [[TMP21]] to <2 x i32>
+; CHECK-NEXT:    [[TMP23:%.*]] = load <2 x i8>, ptr [[ARRAYIDX27_2]], align 1
+; CHECK-NEXT:    [[TMP28:%.*]] = zext <2 x i8> [[TMP23]] to <2 x i32>
+; CHECK-NEXT:    [[TMP36:%.*]] = sub <2 x i32> [[TMP22]], [[TMP28]]
 ; CHECK-NEXT:    [[TMP37:%.*]] = shl <2 x i32> [[TMP36]], <i32 16, i32 16>
-; CHECK-NEXT:    [[TMP38:%.*]] = add <2 x i32> [[TMP37]], [[TMP31]]
+; CHECK-NEXT:    [[TMP38:%.*]] = add <2 x i32> [[TMP37]], [[TMP45]]
 ; CHECK-NEXT:    [[ADD44_2:%.*]] = extractelement <2 x i32> [[TMP26]], i32 0
 ; CHECK-NEXT:    [[CONV:%.*]] = extractelement <2 x i32> [[TMP26]], i32 1
-; CHECK-NEXT:    [[ADD44_3:%.*]] = add i32 [[CONV]], [[ADD44_2]]
-; CHECK-NEXT:    [[SUB51_2:%.*]] = sub i32 [[ADD44_2]], [[CONV]]
+; CHECK-NEXT:    [[ADD44_4:%.*]] = add i32 [[CONV]], [[ADD44_2]]
+; CHECK-NEXT:    [[SUB45_4:%.*]] = sub i32 [[ADD44_2]], [[CONV]]
 ; CHECK-NEXT:    [[SUB45_2:%.*]] = extractelement <2 x i32> [[TMP38]], i32 0
 ; CHECK-NEXT:    [[SUB47_2:%.*]] = extractelement <2 x i32> [[TMP38]], i32 1
-; CHECK-NEXT:    [[ADD46_2:%.*]] = add i32 [[SUB47_2]], [[SUB45_2]]
-; CHECK-NEXT:    [[SUB59_2:%.*]] = sub i32 [[SUB45_2]], [[SUB47_2]]
-; CHECK-NEXT:    [[ADD48_2:%.*]] = add i32 [[ADD46_2]], [[ADD44_3]]
-; CHECK-NEXT:    [[TMP43:%.*]] = load i8, ptr null, align 1
+; CHECK-NEXT:    [[TMP76:%.*]] = add i32 [[SUB47_2]], [[SUB45_2]]
+; CHECK-NEXT:    [[SUB47_4:%.*]] = sub i32 [[SUB45_2]], [[SUB47_2]]
+; CHECK-NEXT:    [[ADD48_2:%.*]] = add i32 [[TMP76]], [[ADD44_4]]
+; CHECK-NEXT:    [[SUB51_2:%.*]] = sub i32 [[ADD44_4]], [[TMP76]]
+; CHECK-NEXT:    [[ADD55_2:%.*]] = add i32 [[SUB47_4]], [[SUB45_4]]
+; CHECK-NEXT:    [[SUB59_2:%.*]] = sub i32 [[SUB45_4]], [[SUB47_4]]
+; CHECK-NEXT:    [[ARRAYIDX3_3:%.*]] = getelementptr i8, ptr null, i64 4
+; CHECK-NEXT:    [[ARRAYIDX5_3:%.*]] = getelementptr i8, ptr null, i64 4
+; CHECK-NEXT:    [[TMP32:%.*]] = load <2 x i8>, ptr null, align 1
+; CHECK-NEXT:    [[TMP33:%.*]] = zext <2 x i8> [[TMP32]] to <2 x i32>
+; CHECK-NEXT:    [[TMP34:%.*]] = load <2 x i8>, ptr null, align 1
+; CHECK-NEXT:    [[TMP35:%.*]] = zext <2 x i8> [[TMP34]] to <2 x i32>
+; CHECK-NEXT:    [[TMP52:%.*]] = sub <2 x i32> [[TMP33]], [[TMP35]]
+; CHECK-NEXT:    [[TMP56:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX3_3]], i64 -4, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP51:%.*]] = zext <2 x i8> [[TMP56]] to <2 x i32>
+; CHECK-NEXT:    [[TMP39:%.*]] = load <2 x i8>, ptr [[ARRAYIDX5_3]], align 1
+; CHECK-NEXT:    [[TMP40:%.*]] = zext <2 x i8> [[TMP39]] to <2 x i32>
+; CHECK-NEXT:    [[TMP41:%.*]] = sub <2 x i32> [[TMP51]], [[TMP40]]
+; CHECK-NEXT:    [[TMP42:%.*]] = shl <2 x i32> [[TMP41]], <i32 16, i32 16>
+; CHECK-NEXT:    [[TMP72:%.*]] = add <2 x i32> [[TMP42]], [[TMP52]]
 ; CHECK-NEXT:    [[ARRAYIDX20_3:%.*]] = getelementptr i8, ptr null, i64 2
 ; CHECK-NEXT:    [[ARRAYIDX22_3:%.*]] = getelementptr i8, ptr null, i64 2
 ; CHECK-NEXT:    [[TMP44:%.*]] = load i8, ptr null, align 1
-; CHECK-NEXT:    [[TMP45:%.*]] = insertelement <2 x ptr> <ptr poison, ptr null>, ptr [[ARRAYIDX20_3]], i32 0
-; CHECK-NEXT:    [[TMP46:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP45]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP47:%.*]] = zext <2 x i8> [[TMP46]] to <2 x i32>
-; CHECK-NEXT:    [[TMP48:%.*]] = insertelement <2 x ptr> <ptr poison, ptr null>, ptr [[ARRAYIDX22_3]], i32 0
-; CHECK-NEXT:    [[TMP49:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP48]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP50:%.*]] = zext <2 x i8> [[TMP49]] to <2 x i32>
-; CHECK-NEXT:    [[TMP51:%.*]] = sub <2 x i32> [[TMP47]], [[TMP50]]
-; CHECK-NEXT:    [[TMP52:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 null, i64 4, <2 x i1> <i1 true, i1 true>, i32 2)
-; CHECK-NEXT:    [[TMP53:%.*]] = zext <2 x i8> [[TMP52]] to <2 x i32>
-; CHECK-NEXT:    [[TMP54:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> getelementptr (i8, <2 x ptr> zeroinitializer, <2 x i64> <i64 6, i64 4>), i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP55:%.*]] = zext <2 x i8> [[TMP54]] to <2 x i32>
-; CHECK-NEXT:    [[TMP56:%.*]] = sub <2 x i32> [[TMP53]], [[TMP55]]
-; CHECK-NEXT:    [[TMP57:%.*]] = shl <2 x i32> [[TMP56]], <i32 16, i32 16>
-; CHECK-NEXT:    [[TMP58:%.*]] = add <2 x i32> [[TMP57]], [[TMP51]]
-; CHECK-NEXT:    [[TMP59:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> getelementptr (i8, <2 x ptr> zeroinitializer, <2 x i64> <i64 3, i64 1>), i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP60:%.*]] = zext <2 x i8> [[TMP59]] to <2 x i32>
-; CHECK-NEXT:    [[TMP61:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> getelementptr (i8, <2 x ptr> zeroinitializer, <2 x i64> <i64 3, i64 1>), i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP62:%.*]] = zext <2 x i8> [[TMP61]] to <2 x i32>
-; CHECK-NEXT:    [[TMP63:%.*]] = sub <2 x i32> [[TMP60]], [[TMP62]]
+; CHECK-NEXT:    [[ARRAYIDX27_3:%.*]] = getelementptr i8, ptr null, i64 6
+; CHECK-NEXT:    [[TMP43:%.*]] = load i8, ptr null, align 1
+; CHECK-NEXT:    [[TMP46:%.*]] = load <2 x i8>, ptr [[ARRAYIDX20_3]], align 1
+; CHECK-NEXT:    [[TMP57:%.*]] = zext <2 x i8> [[TMP46]] to <2 x i32>
+; CHECK-NEXT:    [[TMP48:%.*]] = load <2 x i8>, ptr [[ARRAYIDX22_3]], align 1
+; CHECK-NEXT:    [[TMP49:%.*]] = zext <2 x i8> [[TMP48]] to <2 x i32>
+; CHECK-NEXT:    [[TMP50:%.*]] = sub <2 x i32> [[TMP57]], [[TMP49]]
 ; CHECK-NEXT:    [[TMP64:%.*]] = insertelement <2 x i8> poison, i8 [[TMP44]], i32 0
 ; CHECK-NEXT:    [[TMP65:%.*]] = insertelement <2 x i8> [[TMP64]], i8 [[TMP43]], i32 1
-; CHECK-NEXT:    [[TMP66:%.*]] = zext <2 x i8> [[TMP65]] to <2 x i32>
-; CHECK-NEXT:    [[TMP67:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> getelementptr (i8, <2 x ptr> zeroinitializer, <2 x i64> <i64 7, i64 5>), i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP68:%.*]] = zext <2 x i8> [[TMP67]] to <2 x i32>
-; CHECK-NEXT:    [[TMP69:%.*]] = sub <2 x i32> [[TMP66]], [[TMP68]]
+; CHECK-NEXT:    [[TMP53:%.*]] = zext <2 x i8> [[TMP65]] to <2 x i32>
+; CHECK-NEXT:    [[TMP54:%.*]] = load <2 x i8>, ptr [[ARRAYIDX27_3]], align 1
+; CHECK-NEXT:    [[TMP55:%.*]] = zext <2 x i8> [[TMP54]] to <2 x i32>
+; CHECK-NEXT:    [[TMP69:%.*]] = sub <2 x i32> [[TMP53]], [[TMP55]]
 ; CHECK-NEXT:    [[TMP70:%.*]] = shl <2 x i32> [[TMP69]], <i32 16, i32 16>
-; CHECK-NEXT:    [[TMP71:%.*]] = add <2 x i32> [[TMP70]], [[TMP63]]
-; CHECK-NEXT:    [[TMP72:%.*]] = add <2 x i32> [[TMP71]], [[TMP58]]
-; CHECK-NEXT:    [[TMP190:%.*]] = sub <2 x i32> [[TMP58]], [[TMP71]]
+; CHECK-NEXT:    [[TMP47:%.*]] = add <2 x i32> [[TMP70]], [[TMP50]]
 ; CHECK-NEXT:    [[TMP74:%.*]] = extractelement <2 x i32> [[TMP72]], i32 0
 ; CHECK-NEXT:    [[TMP75:%.*]] = extractelement <2 x i32> [[TMP72]], i32 1
-; CHECK-NEXT:    [[ADD48_3:%.*]] = add i32 [[TMP74]], [[TMP75]]
+; CHECK-NEXT:    [[ADD44_3:%.*]] = add i32 [[TMP75]], [[TMP74]]
+; CHECK-NEXT:    [[SUB45_3:%.*]] = sub i32 [[TMP74]], [[TMP75]]
+; CHECK-NEXT:    [[TMP61:%.*]] = extractelement <2 x i32> [[TMP47]], i32 0
+; CHECK-NEXT:    [[TMP79:%.*]] = extractelement <2 x i32> [[TMP47]], i32 1
+; CHECK-NEXT:    [[ADD46_3:%.*]] = add i32 [[TMP79]], [[TMP61]]
+; CHECK-NEXT:    [[SUB47_3:%.*]] = sub i32 [[TMP61]], [[TMP79]]
+; CHECK-NEXT:    [[ADD48_3:%.*]] = add i32 [[ADD46_3]], [[ADD44_3]]
+; CHECK-NEXT:    [[SUB51_3:%.*]] = sub i32 [[ADD44_3]], [[ADD46_3]]
+; CHECK-NEXT:    [[ADD55_3:%.*]] = add i32 [[SUB47_3]], [[SUB45_3]]
+; CHECK-NEXT:    [[SUB59_3:%.*]] = sub i32 [[SUB45_3]], [[SUB47_3]]
 ; CHECK-NEXT:    [[ADD94:%.*]] = add i32 [[ADD48_3]], [[ADD48_2]]
 ; CHECK-NEXT:    [[SUB102:%.*]] = sub i32 [[ADD48_2]], [[ADD48_3]]
-; CHECK-NEXT:    [[TMP79:%.*]] = extractelement <2 x i32> [[TMP47]], i32 1
-; CHECK-NEXT:    [[SHR_I49_2:%.*]] = lshr i32 [[TMP79]], 15
-; CHECK-NEXT:    [[AND_I50_2:%.*]] = and i32 [[SHR_I49_2]], 65537
-; CHECK-NEXT:    [[MUL_I51_2:%.*]] = mul i32 [[AND_I50_2]], 65535
-; CHECK-NEXT:    [[SHR_I49_3:%.*]] = lshr i32 [[ADD46_2]], 15
+; CHECK-NEXT:    [[TMP63:%.*]] = extractelement <2 x i32> [[TMP33]], i32 0
+; CHECK-NEXT:    [[SHR_I49_3:%.*]] = lshr i32 [[TMP63]], 15
 ; CHECK-NEXT:    [[AND_I50_3:%.*]] = and i32 [[SHR_I49_3]], 65537
 ; CHECK-NEXT:    [[MUL_I51_3:%.*]] = mul i32 [[AND_I50_3]], 65535
+; CHECK-NEXT:    [[SHR_I_1:%.*]] = lshr i32 [[TMP76]], 15
+; CHECK-NEXT:    [[AND_I_1:%.*]] = and i32 [[SHR_I_1]], 65537
+; CHECK-NEXT:    [[MUL_I_1:%.*]] = mul i32 [[AND_I_1]], 65535
+; CHECK-NEXT:    [[ADD94_1:%.*]] = add i32 [[ADD55_3]], [[ADD55_2]]
+; CHECK-NEXT:    [[SUB102_1:%.*]] = sub i32 [[ADD55_2]], [[ADD55_3]]
 ; CHECK-NEXT:    [[TMP107:%.*]] = extractelement <2 x i32> [[TMP16]], i32 0
 ; CHECK-NEXT:    [[SHR_I49_5:%.*]] = lshr i32 [[TMP107]], 15
 ; CHECK-NEXT:    [[AND_I50_5:%.*]] = and i32 [[SHR_I49_5]], 65537
 ; CHECK-NEXT:    [[MUL_I51_5:%.*]] = mul i32 [[AND_I50_5]], 65535
+; CHECK-NEXT:    [[ADD94_4:%.*]] = add i32 [[SUB51_3]], [[SUB51_2]]
+; CHECK-NEXT:    [[SUB102_2:%.*]] = sub i32 [[SUB51_2]], [[SUB51_3]]
 ; CHECK-NEXT:    [[SHR_I49_4:%.*]] = lshr i32 [[CONV_1]], 15
 ; CHECK-NEXT:    [[AND_I50_4:%.*]] = and i32 [[SHR_I49_4]], 65537
 ; CHECK-NEXT:    [[MUL_I51_4:%.*]] = mul i32 [[AND_I50_4]], 65535
+; CHECK-NEXT:    [[ADD94_5:%.*]] = add i32 [[SUB59_3]], [[SUB59_2]]
+; CHECK-NEXT:    [[SUB102_3:%.*]] = sub i32 [[SUB59_2]], [[SUB59_3]]
 ; CHECK-NEXT:    [[SHR_I49_6:%.*]] = lshr i32 [[CONV1]], 15
 ; CHECK-NEXT:    [[AND_I50_6:%.*]] = and i32 [[SHR_I49_6]], 65537
 ; CHECK-NEXT:    [[MUL_I51_6:%.*]] = mul i32 [[AND_I50_6]], 65535
-; CHECK-NEXT:    [[TMP78:%.*]] = load <2 x i8>, ptr [[ARRAYIDX8]], align 1
-; CHECK-NEXT:    [[TMP102:%.*]] = zext <2 x i8> [[TMP78]] to <2 x i32>
-; CHECK-NEXT:    [[TMP80:%.*]] = insertelement <2 x ptr> [[TMP5]], ptr [[ARRAYIDX22]], i32 1
-; CHECK-NEXT:    [[TMP81:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP80]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP82:%.*]] = zext <2 x i8> [[TMP81]] to <2 x i32>
-; CHECK-NEXT:    [[TMP83:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP3]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP84:%.*]] = zext <2 x i8> [[TMP83]] to <2 x i32>
-; CHECK-NEXT:    [[TMP85:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP6]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP86:%.*]] = zext <2 x i8> [[TMP85]] to <2 x i32>
-; CHECK-NEXT:    [[TMP87:%.*]] = sub <2 x i32> [[TMP84]], [[TMP86]]
+; CHECK-NEXT:    [[TMP66:%.*]] = load <2 x i8>, ptr [[ARRAYIDX8]], align 1
+; CHECK-NEXT:    [[TMP102:%.*]] = zext <2 x i8> [[TMP66]] to <2 x i32>
+; CHECK-NEXT:    [[TMP67:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[PIX2]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP68:%.*]] = zext <2 x i8> [[TMP67]] to <2 x i32>
+; CHECK-NEXT:    [[TMP73:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[TMP1]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP81:%.*]] = zext <2 x i8> [[TMP73]] to <2 x i32>
+; CHECK-NEXT:    [[TMP71:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX5]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP82:%.*]] = zext <2 x i8> [[TMP71]] to <2 x i32>
+; CHECK-NEXT:    [[TMP87:%.*]] = sub <2 x i32> [[TMP81]], [[TMP82]]
 ; CHECK-NEXT:    [[TMP88:%.*]] = shl <2 x i32> [[TMP87]], <i32 16, i32 16>
-; CHECK-NEXT:    [[TMP89:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP7]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP90:%.*]] = zext <2 x i8> [[TMP89]] to <2 x i32>
-; CHECK-NEXT:    [[TMP91:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP8]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP92:%.*]] = zext <2 x i8> [[TMP91]] to <2 x i32>
-; CHECK-NEXT:    [[TMP93:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP9]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP94:%.*]] = zext <2 x i8> [[TMP93]] to <2 x i32>
-; CHECK-NEXT:    [[TMP95:%.*]] = sub <2 x i32> [[TMP92]], [[TMP94]]
+; CHECK-NEXT:    [[TMP83:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX22]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP84:%.*]] = zext <2 x i8> [[TMP83]] to <2 x i32>
+; CHECK-NEXT:    [[TMP77:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX25]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP78:%.*]] = zext <2 x i8> [[TMP77]] to <2 x i32>
+; CHECK-NEXT:    [[TMP85:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX27]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP80:%.*]] = zext <2 x i8> [[TMP85]] to <2 x i32>
+; CHECK-NEXT:    [[TMP95:%.*]] = sub <2 x i32> [[TMP78]], [[TMP80]]
 ; CHECK-NEXT:    [[TMP96:%.*]] = shl <2 x i32> [[TMP95]], <i32 16, i32 16>
 ; CHECK-NEXT:    [[TMP97:%.*]] = insertelement <2 x i32> [[TMP102]], i32 [[CONV33]], i32 1
-; CHECK-NEXT:    [[TMP98:%.*]] = sub <2 x i32> [[TMP97]], [[TMP90]]
-; CHECK-NEXT:    [[TMP104:%.*]] = add <2 x i32> [[TMP96]], [[TMP98]]
-; CHECK-NEXT:    [[TMP100:%.*]] = insertelement <2 x i32> [[TMP102]], i32 [[CONV1]], i32 0
-; CHECK-NEXT:    [[TMP101:%.*]] = sub <2 x i32> [[TMP100]], [[TMP82]]
-; CHECK-NEXT:    [[TMP200:%.*]] = add <2 x i32> [[TMP88]], [[TMP101]]
-; CHECK-NEXT:    [[TMP128:%.*]] = shufflevector <2 x i32> [[TMP104]], <2 x i32> [[TMP200]], <2 x i32> <i32 0, i32 2>
-; CHECK-NEXT:    [[TMP106:%.*]] = add <2 x i32> [[TMP104]], [[TMP200]]
-; CHECK-NEXT:    [[TMP105:%.*]] = sub <2 x i32> [[TMP200]], [[TMP104]]
+; CHECK-NEXT:    [[TMP89:%.*]] = sub <2 x i32> [[TMP97]], [[TMP84]]
+; CHECK-NEXT:    [[TMP105:%.*]] = add <2 x i32> [[TMP96]], [[TMP89]]
+; CHECK-NEXT:    [[TMP86:%.*]] = insertelement <2 x i32> [[TMP102]], i32 [[CONV1]], i32 0
+; CHECK-NEXT:    [[TMP90:%.*]] = sub <2 x i32> [[TMP86]], [[TMP68]]
+; CHECK-NEXT:    [[TMP92:%.*]] = add <2 x i32> [[TMP88]], [[TMP90]]
+; CHECK-NEXT:    [[TMP93:%.*]] = shufflevector <2 x i32> [[TMP105]], <2 x i32> [[TMP92]], <2 x i32> <i32 0, i32 2>
+; CHECK-NEXT:    [[TMP106:%.*]] = add <2 x i32> [[TMP105]], [[TMP92]]
+; CHECK-NEXT:    [[TMP91:%.*]] = sub <2 x i32> [[TMP92]], [[TMP105]]
 ; CHECK-NEXT:    [[TMP238:%.*]] = extractelement <2 x i32> [[TMP106]], i32 0
 ; CHECK-NEXT:    [[TMP108:%.*]] = extractelement <2 x i32> [[TMP106]], i32 1
 ; CHECK-NEXT:    [[ADD48:%.*]] = add i32 [[TMP108]], [[TMP238]]
-; CHECK-NEXT:    [[TMP142:%.*]] = extractelement <2 x i32> [[TMP105]], i32 1
+; CHECK-NEXT:    [[SUB51:%.*]] = sub i32 [[TMP238]], [[TMP108]]
+; CHECK-NEXT:    [[TMP94:%.*]] = extractelement <2 x i32> [[TMP91]], i32 0
+; CHECK-NEXT:    [[SUB47:%.*]] = extractelement <2 x i32> [[TMP91]], i32 1
+; CHECK-NEXT:    [[ADD55:%.*]] = add i32 [[SUB47]], [[TMP94]]
+; CHECK-NEXT:    [[SUB59:%.*]] = sub i32 [[TMP94]], [[SUB47]]
 ; CHECK-NEXT:    [[SHR_I59_1:%.*]] = lshr i32 [[TMP108]], 15
 ; CHECK-NEXT:    [[AND_I60_1:%.*]] = and i32 [[SHR_I59_1]], 65537
 ; CHECK-NEXT:    [[MUL_I61_1:%.*]] = mul i32 [[AND_I60_1]], 65535
-; CHECK-NEXT:    [[SHR_I59_4:%.*]] = lshr i32 [[TMP142]], 15
+; CHECK-NEXT:    [[SHR_I59_4:%.*]] = lshr i32 [[SUB47]], 15
 ; CHECK-NEXT:    [[AND_I60_4:%.*]] = and i32 [[SHR_I59_4]], 65537
 ; CHECK-NEXT:    [[MUL_I61_4:%.*]] = mul i32 [[AND_I60_4]], 65535
-; CHECK-NEXT:    [[TMP109:%.*]] = load <2 x i8>, ptr [[ARRAYIDX8_1]], align 1
-; CHECK-NEXT:    [[TMP110:%.*]] = zext <2 x i8> [[TMP109]] to <2 x i32>
-; CHECK-NEXT:    [[TMP111:%.*]] = insertelement <2 x i8> poison, i8 [[TMP12]], i32 0
-; CHECK-NEXT:    [[TMP112:%.*]] = insertelement <2 x i8> [[TMP111]], i8 [[TMP13]], i32 1
-; CHECK-NEXT:    [[TMP113:%.*]] = zext <2 x i8> [[TMP112]] to <2 x i32>
-; CHECK-NEXT:    [[TMP114:%.*]] = insertelement <2 x ptr> poison, ptr [[ADD_PTR3]], i32 0
-; CHECK-NEXT:    [[TMP115:%.*]] = shufflevector <2 x ptr> [[TMP114]], <2 x ptr> poison, <2 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP116:%.*]] = getelementptr i8, <2 x ptr> [[TMP115]], <2 x i64> <i64 4, i64 6>
-; CHECK-NEXT:    [[TMP117:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP116]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP118:%.*]] = zext <2 x i8> [[TMP117]] to <2 x i32>
-; CHECK-NEXT:    [[TMP119:%.*]] = insertelement <2 x ptr> poison, ptr [[ADD_PTR644]], i32 0
-; CHECK-NEXT:    [[TMP120:%.*]] = shufflevector <2 x ptr> [[TMP119]], <2 x ptr> poison, <2 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP121:%.*]] = getelementptr i8, <2 x ptr> [[TMP120]], <2 x i64> <i64 4, i64 6>
-; CHECK-NEXT:    [[TMP122:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP121]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP123:%.*]] = zext <2 x i8> [[TMP122]] to <2 x i32>
-; CHECK-NEXT:    [[TMP124:%.*]] = sub <2 x i32> [[TMP118]], [[TMP123]]
+; CHECK-NEXT:    [[TMP104:%.*]] = load <2 x i8>, ptr [[ARRAYIDX8_1]], align 1
+; CHECK-NEXT:    [[TMP110:%.*]] = zext <2 x i8> [[TMP104]] to <2 x i32>
+; CHECK-NEXT:    [[TMP98:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ADD_PTR644]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP99:%.*]] = zext <2 x i8> [[TMP98]] to <2 x i32>
+; CHECK-NEXT:    [[TMP100:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX3_1]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP101:%.*]] = zext <2 x i8> [[TMP100]] to <2 x i32>
+; CHECK-NEXT:    [[TMP112:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX5_1]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP103:%.*]] = zext <2 x i8> [[TMP112]] to <2 x i32>
+; CHECK-NEXT:    [[TMP124:%.*]] = sub <2 x i32> [[TMP101]], [[TMP103]]
 ; CHECK-NEXT:    [[TMP125:%.*]] = shl <2 x i32> [[TMP124]], <i32 16, i32 16>
-; CHECK-NEXT:    [[TMP126:%.*]] = getelementptr i8, <2 x ptr> [[TMP120]], <2 x i64> <i64 1, i64 3>
-; CHECK-NEXT:    [[TMP127:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP126]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP144:%.*]] = zext <2 x i8> [[TMP127]] to <2 x i32>
-; CHECK-NEXT:    [[TMP129:%.*]] = getelementptr i8, <2 x ptr> [[TMP115]], <2 x i64> <i64 5, i64 7>
-; CHECK-NEXT:    [[TMP130:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP129]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP131:%.*]] = zext <2 x i8> [[TMP130]] to <2 x i32>
-; CHECK-NEXT:    [[TMP132:%.*]] = getelementptr i8, <2 x ptr> [[TMP120]], <2 x i64> <i64 5, i64 7>
-; CHECK-NEXT:    [[TMP133:%.*]] = call <2 x i8> @llvm.masked.gather.v2i8.v2p0(<2 x ptr> [[TMP132]], i32 1, <2 x i1> <i1 true, i1 true>, <2 x i8> poison)
-; CHECK-NEXT:    [[TMP134:%.*]] = zext <2 x i8> [[TMP133]] to <2 x i32>
-; CHECK-NEXT:    [[TMP135:%.*]] = sub <2 x i32> [[TMP131]], [[TMP134]]
+; CHECK-NEXT:    [[TMP113:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX22_1]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP114:%.*]] = zext <2 x i8> [[TMP113]] to <2 x i32>
+; CHECK-NEXT:    [[TMP115:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX25_1]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP109:%.*]] = zext <2 x i8> [[TMP115]] to <2 x i32>
+; CHECK-NEXT:    [[TMP116:%.*]] = call <2 x i8> @llvm.experimental.vp.strided.load.v2i8.p0.i64(ptr align 1 [[ARRAYIDX27_1]], i64 2, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP111:%.*]] = zext <2 x i8> [[TMP116]] to <2 x i32>
+; CHECK-NEXT:    [[TMP135:%.*]] = sub <2 x i32> [[TMP109]], [[TMP111]]
 ; CHECK-NEXT:    [[TMP136:%.*]] = shl <2 x i32> [[TMP135]], <i32 16, i32 16>
 ; CHECK-NEXT:    [[TMP137:%.*]] = insertelement <2 x i32> [[TMP110]], i32 [[CONV33_1]], i32 1
-; CHECK-NEXT:    [[TMP138:%.*]] = sub <2 x i32> [[TMP137]], [[TMP144]]
-; CHECK-NEXT:    [[TMP139:%.*]] = add <2 x i32> [[TMP136]], [[TMP138]]
-; CHECK-NEXT:    [[TMP140:%.*]] = insertelement <2 x i32> [[TMP110]], i32 [[CONV_1]], i32 0
-; CHECK-NEXT:    [[TMP141:%.*]] = sub <2 x i32> [[TMP140]], [[TMP113]]
-; CHECK-NEXT:    [[TMP155:%.*]] = add <2 x i32> [[TMP125]], [[TMP141]]
-; CHECK-NEXT:    [[TMP143:%.*]] = add <2 x i32> [[TMP139]], [[TMP155]]
-; CHECK-NEXT:    [[TMP189:%.*]] = sub <2 x i32> [[TMP155]], [[TMP139]]
+; CHECK-NEXT:    [[TMP118:%.*]] = sub <2 x i32> [[TMP137]], [[TMP114]]
+; CHECK-NEXT:    [[TMP119:%.*]] = add <2 x i32> [[TMP136]], [[TMP118]]
+; CHECK-NEXT:    [[TMP117:%.*]] = insertelement <2 x i32> [[TMP110]], i32 [[CONV_1]], i32 0
+; CHECK-NEXT:    [[TMP120:%.*]] = sub <2 x i32> [[TMP117]], [[TMP99]]
+; CHECK-NEXT:    [[TMP122:%.*]] = add <2 x i32> [[TMP125]], [[TMP120]]
+; CHECK-NEXT:    [[TMP143:%.*]] = add <2 x i32> [[TMP119]], [[TMP122]]
+; CHECK-NEXT:    [[TMP121:%.*]] = sub <2 x i32> [[TMP122]], [[TMP119]]
 ; CHECK-NEXT:    [[TMP145:%.*]] = extractelement <2 x i32> [[TMP143]], i32 0
 ; CHECK-NEXT:    [[TMP146:%.*]] = extractelement <2 x i32> [[TMP143]], i32 1
 ; CHECK-NEXT:    [[ADD48_1:%.*]] = add i32 [[TMP146]], [[TMP145]]
-; CHECK-NEXT:    [[SHR_I54:%.*]] = lshr i32 [[TMP146]], 15
-; CHECK-NEXT:    [[AND_I55:%.*]] = and i32 [[SHR_I54]], 65537
-; CHECK-NEXT:    [[MUL_I56:%.*]] = mul i32 [[AND_I55]], 65535
+; CHECK-NEXT:    [[SUB51_1:%.*]] = sub i32 [[TMP145]], [[TMP146]]
+; CHECK-NEXT:    [[TMP126:%.*]] = extractelement <2 x i32> [[TMP121]], i32 0
+; CHECK-NEXT:    [[TMP127:%.*]] = extractelement <2 x i32> [[TMP121]], i32 1
+; CHECK-NEXT:    [[ADD55_1:%.*]] = add i32 [[TMP127]], [[TMP126]]
+; CHECK-NEXT:    [[SUB59_1:%.*]] = sub i32 [[TMP126]], [[TMP127]]
+; CHECK-NEXT:    [[SHR_I54_1:%.*]] = lshr i32 [[TMP146]], 15
+; CHECK-NEXT:    [[AND_I55_1:%.*]] = and i32 [[SHR_I54_1]], 65537
+; CHECK-NEXT:    [[MUL_I56_1:%.*]] = mul i32 [[AND_I55_1]], 65535
 ; CHECK-NEXT:    [[TMP147:%.*]] = lshr <2 x i32> [[TMP110]], <i32 15, i32 15>
 ; CHECK-NEXT:    [[TMP148:%.*]] = and <2 x i32> [[TMP147]], <i32 65537, i32 65537>
 ; CHECK-NEXT:    [[TMP149:%.*]] = mul <2 x i32> [[TMP148]], <i32 65535, i32 65535>
@@ -217,76 +229,46 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
 ; CHECK-NEXT:    [[SUB104:%.*]] = sub i32 [[ADD78]], [[ADD94]]
 ; CHECK-NEXT:    [[ADD105:%.*]] = add i32 [[SUB102]], [[SUB86]]
 ; CHECK-NEXT:    [[SUB106:%.*]] = sub i32 [[SUB86]], [[SUB102]]
-; CHECK-NEXT:    [[ADD_I:%.*]] = add i32 [[MUL_I51_2]], [[ADD103]]
-; CHECK-NEXT:    [[XOR_I:%.*]] = xor i32 [[ADD_I]], [[TMP79]]
-; CHECK-NEXT:    [[ADD_I52:%.*]] = add i32 [[MUL_I51_3]], [[ADD105]]
-; CHECK-NEXT:    [[XOR_I53:%.*]] = xor i32 [[ADD_I52]], [[ADD46_2]]
-; CHECK-NEXT:    [[ADD_I57:%.*]] = add i32 [[MUL_I56]], [[SUB104]]
+; CHECK-NEXT:    [[ADD_I:%.*]] = add i32 [[MUL_I51_3]], [[ADD103]]
+; CHECK-NEXT:    [[XOR_I:%.*]] = xor i32 [[ADD_I]], [[TMP63]]
+; CHECK-NEXT:    [[ADD_I52:%.*]] = add i32 [[MUL_I_1]], [[ADD105]]
+; CHECK-NEXT:    [[XOR_I53:%.*]] = xor i32 [[ADD_I52]], [[TMP76]]
+; CHECK-NEXT:    [[ADD_I57:%.*]] = add i32 [[MUL_I56_1]], [[SUB104]]
 ; CHECK-NEXT:    [[XOR_I58:%.*]] = xor i32 [[ADD_I57]], [[TMP146]]
 ; CHECK-NEXT:    [[ADD_I62:%.*]] = add i32 [[MUL_I61_1]], [[SUB106]]
 ; CHECK-NEXT:    [[XOR_I63:%.*]] = xor i32 [[ADD_I62]], [[TMP108]]
 ; CHECK-NEXT:    [[ADD110:%.*]] = add i32 [[XOR_I53]], [[XOR_I]]
 ; CHECK-NEXT:    [[ADD112:%.*]] = add i32 [[ADD110]], [[XOR_I58]]
 ; CHECK-NEXT:    [[ADD113:%.*]] = add i32 [[ADD112]], [[XOR_I63]]
-; CHECK-NEXT:    [[TMP150:%.*]] = shufflevector <2 x i32> [[TMP105]], <2 x i32> poison, <2 x i32> <i32 1, i32 0>
-; CHECK-NEXT:    [[TMP151:%.*]] = insertelement <2 x i32> [[TMP150]], i32 [[SUB59_2]], i32 1
-; CHECK-NEXT:    [[TMP152:%.*]] = insertelement <2 x i32> [[TMP105]], i32 [[SUB51_2]], i32 1
-; CHECK-NEXT:    [[TMP153:%.*]] = add <2 x i32> [[TMP151]], [[TMP152]]
-; CHECK-NEXT:    [[TMP154:%.*]] = shufflevector <2 x i32> [[TMP189]], <2 x i32> [[TMP190]], <2 x i32> <i32 1, i32 2>
-; CHECK-NEXT:    [[TMP184:%.*]] = shufflevector <2 x i32> [[TMP189]], <2 x i32> [[TMP190]], <2 x i32> <i32 0, i32 3>
-; CHECK-NEXT:    [[TMP156:%.*]] = add <2 x i32> [[TMP154]], [[TMP184]]
-; CHECK-NEXT:    [[TMP157:%.*]] = extractelement <2 x i32> [[TMP153]], i32 1
-; CHECK-NEXT:    [[TMP158:%.*]] = extractelement <2 x i32> [[TMP156]], i32 1
-; CHECK-NEXT:    [[TMP159:%.*]] = shufflevector <2 x i32> [[TMP156]], <2 x i32> [[TMP153]], <2 x i32> <i32 1, i32 3>
-; CHECK-NEXT:    [[ADD78_2:%.*]] = add i32 [[TMP158]], [[TMP157]]
-; CHECK-NEXT:    [[TMP160:%.*]] = extractelement <2 x i32> [[TMP153]], i32 0
-; CHECK-NEXT:    [[TMP161:%.*]] = extractelement <2 x i32> [[TMP156]], i32 0
-; CHECK-NEXT:    [[TMP162:%.*]] = shufflevector <2 x i32> [[TMP156]], <2 x i32> [[TMP153]], <2 x i32> <i32 0, i32 2>
-; CHECK-NEXT:    [[ADD94_1:%.*]] = add i32 [[TMP161]], [[TMP160]]
-; CHECK-NEXT:    [[TMP163:%.*]] = sub <2 x i32> [[TMP153]], [[TMP156]]
-; CHECK-NEXT:    [[TMP164:%.*]] = extractelement <2 x i32> [[TMP163]], i32 0
-; CHECK-NEXT:    [[TMP165:%.*]] = extractelement <2 x i32> [[TMP163]], i32 1
-; CHECK-NEXT:    [[ADD105_1:%.*]] = add i32 [[TMP165]], [[TMP164]]
-; CHECK-NEXT:    [[SUB106_1:%.*]] = sub i32 [[TMP164]], [[TMP165]]
+; CHECK-NEXT:    [[ADD78_1:%.*]] = add i32 [[ADD55_1]], [[ADD55]]
+; CHECK-NEXT:    [[SUB86_1:%.*]] = sub i32 [[ADD55]], [[ADD55_1]]
+; CHECK-NEXT:    [[ADD105_1:%.*]] = add i32 [[SUB102_1]], [[SUB86_1]]
+; CHECK-NEXT:    [[SUB106_1:%.*]] = sub i32 [[SUB86_1]], [[SUB102_1]]
 ; CHECK-NEXT:    [[ADD_I52_1:%.*]] = add i32 [[MUL_I51_5]], [[ADD105_1]]
 ; CHECK-NEXT:    [[XOR_I53_1:%.*]] = xor i32 [[ADD_I52_1]], [[TMP107]]
-; CHECK-NEXT:    [[TMP166:%.*]] = shufflevector <2 x i32> [[TMP16]], <2 x i32> [[TMP189]], <2 x i32> <i32 1, i32 3>
-; CHECK-NEXT:    [[TMP167:%.*]] = lshr <2 x i32> [[TMP166]], <i32 15, i32 15>
-; CHECK-NEXT:    [[TMP168:%.*]] = and <2 x i32> [[TMP167]], <i32 65537, i32 65537>
-; CHECK-NEXT:    [[TMP169:%.*]] = mul <2 x i32> [[TMP168]], <i32 65535, i32 65535>
-; CHECK-NEXT:    [[TMP172:%.*]] = insertelement <2 x i32> poison, i32 [[ADD94_1]], i32 0
-; CHECK-NEXT:    [[TMP171:%.*]] = shufflevector <2 x i32> [[TMP172]], <2 x i32> poison, <2 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP208:%.*]] = insertelement <2 x i32> poison, i32 [[ADD78_2]], i32 0
-; CHECK-NEXT:    [[TMP209:%.*]] = shufflevector <2 x i32> [[TMP208]], <2 x i32> poison, <2 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP282:%.*]] = add <2 x i32> [[TMP171]], [[TMP209]]
-; CHECK-NEXT:    [[TMP211:%.*]] = sub <2 x i32> [[TMP171]], [[TMP209]]
-; CHECK-NEXT:    [[TMP283:%.*]] = shufflevector <2 x i32> [[TMP282]], <2 x i32> [[TMP211]], <2 x i32> <i32 0, i32 3>
-; CHECK-NEXT:    [[TMP177:%.*]] = add <2 x i32> [[TMP169]], [[TMP283]]
-; CHECK-NEXT:    [[TMP178:%.*]] = xor <2 x i32> [[TMP177]], [[TMP166]]
+; CHECK-NEXT:    [[TMP129:%.*]] = shufflevector <2 x i32> [[TMP16]], <2 x i32> [[TMP121]], <2 x i32> <i32 1, i32 3>
+; CHECK-NEXT:    [[TMP130:%.*]] = lshr <2 x i32> [[TMP129]], <i32 15, i32 15>
+; CHECK-NEXT:    [[TMP131:%.*]] = and <2 x i32> [[TMP130]], <i32 65537, i32 65537>
+; CHECK-NEXT:    [[TMP132:%.*]] = mul <2 x i32> [[TMP131]], <i32 65535, i32 65535>
+; CHECK-NEXT:    [[TMP133:%.*]] = insertelement <2 x i32> poison, i32 [[ADD78_1]], i32 0
+; CHECK-NEXT:    [[TMP144:%.*]] = shufflevector <2 x i32> [[TMP133]], <2 x i32> poison, <2 x i32> zeroinitializer
+; CHECK-NEXT:    [[TMP151:%.*]] = insertelement <2 x i32> poison, i32 [[ADD94_1]], i32 0
+; CHECK-NEXT:    [[TMP152:%.*]] = shufflevector <2 x i32> [[TMP151]], <2 x i32> poison, <2 x i32> zeroinitializer
+; CHECK-NEXT:    [[TMP153:%.*]] = add <2 x i32> [[TMP144]], [[TMP152]]
+; CHECK-NEXT:    [[TMP138:%.*]] = sub <2 x i32> [[TMP144]], [[TMP152]]
+; CHECK-NEXT:    [[TMP139:%.*]] = shufflevector <2 x i32> [[TMP153]], <2 x i32> [[TMP138]], <2 x i32> <i32 0, i32 3>
+; CHECK-NEXT:    [[TMP140:%.*]] = add <2 x i32> [[TMP132]], [[TMP139]]
+; CHECK-NEXT:    [[TMP141:%.*]] = xor <2 x i32> [[TMP140]], [[TMP129]]
 ; CHECK-NEXT:    [[ADD_I62_1:%.*]] = add i32 [[MUL_I61_4]], [[SUB106_1]]
-; CHECK-NEXT:    [[XOR_I63_1:%.*]] = xor i32 [[ADD_I62_1]], [[TMP142]]
+; CHECK-NEXT:    [[XOR_I63_1:%.*]] = xor i32 [[ADD_I62_1]], [[SUB47]]
 ; CHECK-NEXT:    [[ADD108_1:%.*]] = add i32 [[XOR_I53_1]], [[ADD113]]
-; CHECK-NEXT:    [[TMP179:%.*]] = extractelement <2 x i32> [[TMP178]], i32 0
-; CHECK-NEXT:    [[ADD110_1:%.*]] = add i32 [[ADD108_1]], [[TMP179]]
-; CHECK-NEXT:    [[TMP180:%.*]] = extractelement <2 x i32> [[TMP178]], i32 1
-; CHECK-NEXT:    [[ADD112_1:%.*]] = add i32 [[ADD110_1]], [[TMP180]]
+; CHECK-NEXT:    [[TMP142:%.*]] = extractelement <2 x i32> [[TMP141]], i32 0
+; CHECK-NEXT:    [[ADD110_1:%.*]] = add i32 [[ADD108_1]], [[TMP142]]
+; CHECK-NEXT:    [[TMP154:%.*]] = extractelement <2 x i32> [[TMP141]], i32 1
+; CHECK-NEXT:    [[ADD112_1:%.*]] = add i32 [[ADD110_1]], [[TMP154]]
 ; CHECK-NEXT:    [[ADD113_1:%.*]] = add i32 [[ADD112_1]], [[XOR_I63_1]]
-; CHECK-NEXT:    [[TMP181:%.*]] = shufflevector <2 x i32> [[TMP106]], <2 x i32> poison, <2 x i32> <i32 poison, i32 0>
-; CHECK-NEXT:    [[TMP182:%.*]] = insertelement <2 x i32> [[TMP181]], i32 [[ADD44_3]], i32 0
-; CHECK-NEXT:    [[TMP183:%.*]] = insertelement <2 x i32> [[TMP106]], i32 [[ADD46_2]], i32 0
-; CHECK-NEXT:    [[TMP195:%.*]] = sub <2 x i32> [[TMP182]], [[TMP183]]
-; CHECK-NEXT:    [[TMP185:%.*]] = shufflevector <2 x i32> [[TMP72]], <2 x i32> [[TMP143]], <2 x i32> <i32 1, i32 2>
-; CHECK-NEXT:    [[TMP186:%.*]] = shufflevector <2 x i32> [[TMP72]], <2 x i32> [[TMP143]], <2 x i32> <i32 0, i32 3>
-; CHECK-NEXT:    [[TMP187:%.*]] = sub <2 x i32> [[TMP185]], [[TMP186]]
-; CHECK-NEXT:    [[TMP188:%.*]] = extractelement <2 x i32> [[TMP195]], i32 0
-; CHECK-NEXT:    [[TMP196:%.*]] = extractelement <2 x i32> [[TMP187]], i32 0
-; CHECK-NEXT:    [[TMP199:%.*]] = shufflevector <2 x i32> [[TMP187]], <2 x i32> [[TMP195]], <2 x i32> <i32 0, i32 2>
-; CHECK-NEXT:    [[ADD94_4:%.*]] = add i32 [[TMP196]], [[TMP188]]
-; CHECK-NEXT:    [[TMP191:%.*]] = extractelement <2 x i32> [[TMP195]], i32 1
-; CHECK-NEXT:    [[TMP192:%.*]] = extractelement <2 x i32> [[TMP187]], i32 1
-; CHECK-NEXT:    [[TMP193:%.*]] = shufflevector <2 x i32> [[TMP187]], <2 x i32> [[TMP195]], <2 x i32> <i32 1, i32 3>
-; CHECK-NEXT:    [[ADD94_2:%.*]] = add i32 [[TMP192]], [[TMP191]]
-; CHECK-NEXT:    [[TMP194:%.*]] = sub <2 x i32> [[TMP195]], [[TMP187]]
+; CHECK-NEXT:    [[ADD94_2:%.*]] = add i32 [[SUB51_1]], [[SUB51]]
+; CHECK-NEXT:    [[SUB86_2:%.*]] = sub i32 [[SUB51]], [[SUB51_1]]
 ; CHECK-NEXT:    [[TMP244:%.*]] = insertelement <2 x i32> poison, i32 [[ADD94_2]], i32 0
 ; CHECK-NEXT:    [[TMP245:%.*]] = shufflevector <2 x i32> [[TMP244]], <2 x i32> poison, <2 x i32> zeroinitializer
 ; CHECK-NEXT:    [[TMP197:%.*]] = insertelement <2 x i32> poison, i32 [[ADD94_4]], i32 0
@@ -294,40 +276,25 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
 ; CHECK-NEXT:    [[TMP216:%.*]] = add <2 x i32> [[TMP245]], [[TMP198]]
 ; CHECK-NEXT:    [[TMP210:%.*]] = sub <2 x i32> [[TMP245]], [[TMP198]]
 ; CHECK-NEXT:    [[TMP221:%.*]] = shufflevector <2 x i32> [[TMP216]], <2 x i32> [[TMP210]], <2 x i32> <i32 0, i32 3>
-; CHECK-NEXT:    [[TMP215:%.*]] = extractelement <2 x i32> [[TMP194]], i32 0
-; CHECK-NEXT:    [[TMP203:%.*]] = extractelement <2 x i32> [[TMP194]], i32 1
-; CHECK-NEXT:    [[ADD105_2:%.*]] = add i32 [[TMP215]], [[TMP203]]
-; CHECK-NEXT:    [[SUB106_2:%.*]] = sub i32 [[TMP203]], [[TMP215]]
+; CHECK-NEXT:    [[ADD105_2:%.*]] = add i32 [[SUB102_2]], [[SUB86_2]]
+; CHECK-NEXT:    [[SUB106_2:%.*]] = sub i32 [[SUB86_2]], [[SUB102_2]]
 ; CHECK-NEXT:    [[ADD_I52_2:%.*]] = add i32 [[MUL_I51_4]], [[ADD105_2]]
 ; CHECK-NEXT:    [[XOR_I53_2:%.*]] = xor i32 [[ADD_I52_2]], [[CONV_1]]
-; CHECK-NEXT:    [[TMP266:%.*]] = add <2 x i32> [[TMP149]], [[TMP221]]
-; CHECK-NEXT:    [[TMP267:%.*]] = xor <2 x i32> [[TMP266]], [[TMP110]]
+; CHECK-NEXT:    [[TMP134:%.*]] = add <2 x i32> [[TMP149]], [[TMP221]]
+; CHECK-NEXT:    [[TMP213:%.*]] = xor <2 x i32> [[TMP134]], [[TMP110]]
 ; CHECK-NEXT:    [[SHR_I59_2:%.*]] = lshr i32 [[TMP238]], 15
 ; CHECK-NEXT:    [[AND_I60_2:%.*]] = and i32 [[SHR_I59_2]], 65537
 ; CHECK-NEXT:    [[MUL_I61_2:%.*]] = mul i32 [[AND_I60_2]], 65535
 ; CHECK-NEXT:    [[ADD_I62_2:%.*]] = add i32 [[MUL_I61_2]], [[SUB106_2]]
 ; CHECK-NEXT:    [[XOR_I63_2:%.*]] = xor i32 [[ADD_I62_2]], [[TMP238]]
 ; CHECK-NEXT:    [[ADD108_2:%.*]] = add i32 [[XOR_I53_2]], [[ADD113_1]]
-; CHECK-NEXT:    [[TMP206:%.*]] = extractelement <2 x i32> [[TMP267]], i32 0
-; CHECK-NEXT:    [[ADD110_2:%.*]] = add i32 [[ADD108_2]], [[TMP206]]
-; CHECK-NEXT:    [[TMP207:%.*]] = extractelement <2 x i32> [[TMP267]], i32 1
-; CHECK-NEXT:    [[ADD112_2:%.*]] = add i32 [[ADD110_2]], [[TMP207]]
-; CHECK-NEXT:    [[ADD113_2:%.*]] = add i32 [[ADD112_2]], [[XOR_I63_2]]
-; CHECK-NEXT:    [[TMP222:%.*]] = insertelement <2 x i32> [[TMP150]], i32 [[SUB51_2]], i32 0
-; CHECK-NEXT:    [[TMP225:%.*]] = insertelement <2 x i32> [[TMP105]], i32 [[SUB59_2]], i32 0
-; CHECK-NEXT:    [[TMP226:%.*]] = sub <2 x i32> [[TMP222]], [[TMP225]]
-; CHECK-NEXT:    [[TMP227:%.*]] = shufflevector <2 x i32> [[TMP190]], <2 x i32> [[TMP189]], <2 x i32> <i32 1, i32 2>
-; CHECK-NEXT:    [[TMP212:%.*]] = shufflevector <2 x i32> [[TMP190]], <2 x i32> [[TMP189]], <2 x i32> <i32 0, i32 3>
-; CHECK-NEXT:    [[TMP213:%.*]] = sub <2 x i32> [[TMP227]], [[TMP212]]
-; CHECK-NEXT:    [[TMP214:%.*]] = extractelement <2 x i32> [[TMP226]], i32 0
 ; CHECK-NEXT:    [[TMP237:%.*]] = extractelement <2 x i32> [[TMP213]], i32 0
-; CHECK-NEXT:    [[TMP239:%.*]] = shufflevector <2 x i32> [[TMP213]], <2 x i32> [[TMP226]], <2 x i32> <i32 0, i32 2>
-; CHECK-NEXT:    [[ADD94_5:%.*]] = add i32 [[TMP237]], [[TMP214]]
-; CHECK-NEXT:    [[TMP217:%.*]] = extractelement <2 x i32> [[TMP226]], i32 1
+; CHECK-NEXT:    [[ADD110_2:%.*]] = add i32 [[ADD108_2]], [[TMP237]]
 ; CHECK-NEXT:    [[TMP218:%.*]] = extractelement <2 x i32> [[TMP213]], i32 1
-; CHECK-NEXT:    [[TMP219:%.*]] = shufflevector <2 x i32> [[TMP213]], <2 x i32> [[TMP226]], <2 x i32> <i32 1, i32 3>
-; CHECK-NEXT:    [[ADD94_3:%.*]] = add i32 [[TMP218]], [[TMP217]]
-; CHECK-NEXT:    [[TMP240:%.*]] = sub <2 x i32> [[TMP226]], [[TMP213]]
+; CHECK-NEXT:    [[ADD112_2:%.*]] = add i32 [[ADD110_2]], [[TMP218]]
+; CHECK-NEXT:    [[ADD113_2:%.*]] = add i32 [[ADD112_2]], [[XOR_I63_2]]
+; CHECK-NEXT:    [[ADD94_3:%.*]] = add i32 [[SUB59_1]], [[SUB59]]
+; CHECK-NEXT:    [[SUB86_3:%.*]] = sub i32 [[SUB59]], [[SUB59_1]]
 ; CHECK-NEXT:    [[TMP223:%.*]] = insertelement <2 x i32> poison, i32 [[ADD94_3]], i32 0
 ; CHECK-NEXT:    [[TMP224:%.*]] = shufflevector <2 x i32> [[TMP223]], <2 x i32> poison, <2 x i32> zeroinitializer
 ; CHECK-NEXT:    [[TMP241:%.*]] = insertelement <2 x i32> poison, i32 [[ADD94_5]], i32 0
@@ -335,17 +302,15 @@ define i32 @test(ptr %pix1, ptr %pix2, i64 %idx.ext, i64 %idx.ext63, ptr %add.pt
 ; CHECK-NEXT:    [[TMP261:%.*]] = add <2 x i32> [[TMP224]], [[TMP242]]
 ; CHECK-NEXT:    [[TMP262:%.*]] = sub <2 x i32> [[TMP224]], [[TMP242]]
 ; CHECK-NEXT:    [[TMP220:%.*]] = shufflevector <2 x i32> [[TMP261]], <2 x i32> [[TMP262]], <2 x i32> <i32 0, i32 3>
-; CHECK-NEXT:    [[TMP228:%.*]] = extractelement <2 x i32> [[TMP240]], i32 0
-; CHECK-NEXT:    [[TMP229:%.*]] = extractelement <2 x i32> [[TMP240]], i32 1
-; CHECK-NEXT:    [[ADD105_3:%.*]] = add i32 [[TMP228]], [[TMP229]]
-; CHECK-NEXT:    [[SUB106_3:%.*]] = sub i32 [[TMP229]], [[TMP228]]
+; CHECK-NEXT:    [[ADD105_3:%.*]] = add i32 [[SUB102_3]], [[SUB86_3]]
+; CHECK-NEXT:    [[SUB106_3:%.*]] = sub i32 [[SUB86_3]], [[SUB102_3]]
 ; CHECK-NEXT:    [[ADD_I52_3:%.*]] = add i32 [[MUL_I51_6]], [[ADD105_3]]
 ; CHECK-NEXT:    [[XOR_I53_3:%.*]] = xor i32 [[ADD_I52_3]], [[CONV1]]
 ; CHECK-NEXT:    [[TMP230:%.*]] = lshr <2 x i32> [[TMP102]], <i32 15, i32 15>
 ; CHECK-NEXT:    [[TMP231:%.*]] = and <2 x i32> [[TMP230]], <i32 65537, i32 65537>
 ; CHECK-NEXT:    [[TMP232:%.*]] = mul <2 x i32> [[TMP231]], <i32 65535, i32 65535>
-; CHECK-NEXT:    [[TMP233:%.*]] = add <2 x i32> [[TMP232]], [[TMP220]]
-; CHECK-NEXT:    [[TMP234:%.*]] = xor <2 x i32> [[TMP233]], [[TMP102]]
+; CHECK-NEXT:    [[TMP150:%.*]] = add <2 x i32> [[TMP232]], [[TMP220]]
+; CHECK-NEXT:    [[TMP234:%.*]] = xor <2 x i32> [[TMP150]], [[TMP102]]
 ; CHECK-NEXT:    [[SHR_I59_3:%.*]] = lshr i32 [[CONV33]], 15
 ; CHECK-NEXT:    [[AND_I60_3:%.*]] = and i32 [[SHR_I59_3]], 65537
 ; CHECK-NEXT:    [[MUL_I61_3:%.*]] = mul i32 [[AND_I60_3]], 65535
diff --git a/llvm/test/Transforms/SLPVectorizer/RISCV/reductions.ll b/llvm/test/Transforms/SLPVectorizer/RISCV/reductions.ll
index 77bd894eb78f1..ff3d2c4c59394 100644
--- a/llvm/test/Transforms/SLPVectorizer/RISCV/reductions.ll
+++ b/llvm/test/Transforms/SLPVectorizer/RISCV/reductions.ll
@@ -146,53 +146,9 @@ entry:
 define i64 @red_strided_ld_16xi64(ptr %ptr) {
 ; CHECK-LABEL: @red_strided_ld_16xi64(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LD0:%.*]] = load i64, ptr [[PTR:%.*]], align 8
-; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 2
-; CHECK-NEXT:    [[LD1:%.*]] = load i64, ptr [[GEP]], align 8
-; CHECK-NEXT:    [[ADD_1:%.*]] = add nuw nsw i64 [[LD0]], [[LD1]]
-; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 4
-; CHECK-NEXT:    [[LD2:%.*]] = load i64, ptr [[GEP_1]], align 8
-; CHECK-NEXT:    [[ADD_2:%.*]] = add nuw nsw i64 [[ADD_1]], [[LD2]]
-; CHECK-NEXT:    [[GEP_2:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 6
-; CHECK-NEXT:    [[LD3:%.*]] = load i64, ptr [[GEP_2]], align 8
-; CHECK-NEXT:    [[ADD_3:%.*]] = add nuw nsw i64 [[ADD_2]], [[LD3]]
-; CHECK-NEXT:    [[GEP_3:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 8
-; CHECK-NEXT:    [[LD4:%.*]] = load i64, ptr [[GEP_3]], align 8
-; CHECK-NEXT:    [[ADD_4:%.*]] = add nuw nsw i64 [[ADD_3]], [[LD4]]
-; CHECK-NEXT:    [[GEP_4:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 10
-; CHECK-NEXT:    [[LD5:%.*]] = load i64, ptr [[GEP_4]], align 8
-; CHECK-NEXT:    [[ADD_5:%.*]] = add nuw nsw i64 [[ADD_4]], [[LD5]]
-; CHECK-NEXT:    [[GEP_5:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 12
-; CHECK-NEXT:    [[LD6:%.*]] = load i64, ptr [[GEP_5]], align 8
-; CHECK-NEXT:    [[ADD_6:%.*]] = add nuw nsw i64 [[ADD_5]], [[LD6]]
-; CHECK-NEXT:    [[GEP_6:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 14
-; CHECK-NEXT:    [[LD7:%.*]] = load i64, ptr [[GEP_6]], align 8
-; CHECK-NEXT:    [[ADD_7:%.*]] = add nuw nsw i64 [[ADD_6]], [[LD7]]
-; CHECK-NEXT:    [[GEP_7:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 16
-; CHECK-NEXT:    [[LD8:%.*]] = load i64, ptr [[GEP_7]], align 8
-; CHECK-NEXT:    [[ADD_8:%.*]] = add nuw nsw i64 [[ADD_7]], [[LD8]]
-; CHECK-NEXT:    [[GEP_8:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 18
-; CHECK-NEXT:    [[LD9:%.*]] = load i64, ptr [[GEP_8]], align 8
-; CHECK-NEXT:    [[ADD_9:%.*]] = add nuw nsw i64 [[ADD_8]], [[LD9]]
-; CHECK-NEXT:    [[GEP_9:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 20
-; CHECK-NEXT:    [[LD10:%.*]] = load i64, ptr [[GEP_9]], align 8
-; CHECK-NEXT:    [[ADD_10:%.*]] = add nuw nsw i64 [[ADD_9]], [[LD10]]
-; CHECK-NEXT:    [[GEP_10:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 22
-; CHECK-NEXT:    [[LD11:%.*]] = load i64, ptr [[GEP_10]], align 8
-; CHECK-NEXT:    [[ADD_11:%.*]] = add nuw nsw i64 [[ADD_10]], [[LD11]]
-; CHECK-NEXT:    [[GEP_11:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 24
-; CHECK-NEXT:    [[LD12:%.*]] = load i64, ptr [[GEP_11]], align 8
-; CHECK-NEXT:    [[ADD_12:%.*]] = add nuw nsw i64 [[ADD_11]], [[LD12]]
-; CHECK-NEXT:    [[GEP_12:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 26
-; CHECK-NEXT:    [[LD13:%.*]] = load i64, ptr [[GEP_12]], align 8
-; CHECK-NEXT:    [[ADD_13:%.*]] = add nuw nsw i64 [[ADD_12]], [[LD13]]
-; CHECK-NEXT:    [[GEP_13:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 28
-; CHECK-NEXT:    [[LD14:%.*]] = load i64, ptr [[GEP_13]], align 8
-; CHECK-NEXT:    [[ADD_14:%.*]] = add nuw nsw i64 [[ADD_13]], [[LD14]]
-; CHECK-NEXT:    [[GEP_14:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 30
-; CHECK-NEXT:    [[LD15:%.*]] = load i64, ptr [[GEP_14]], align 8
-; CHECK-NEXT:    [[ADD_15:%.*]] = add nuw nsw i64 [[ADD_14]], [[LD15]]
-; CHECK-NEXT:    ret i64 [[ADD_15]]
+; CHECK-NEXT:    [[TMP0:%.*]] = call <16 x i64> @llvm.experimental.vp.strided.load.v16i64.p0.i64(ptr align 8 [[PTR:%.*]], i64 16, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, i32 16)
+; CHECK-NEXT:    [[TMP1:%.*]] = call i64 @llvm.vector.reduce.add.v16i64(<16 x i64> [[TMP0]])
+; CHECK-NEXT:    ret i64 [[TMP1]]
 ;
 entry:
   %ld0 = load i64, ptr %ptr
diff --git a/llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads-with-external-use-ptr.ll b/llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads-with-external-use-ptr.ll
index ec152c707eec6..b47168c76fa2b 100644
--- a/llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads-with-external-use-ptr.ll
+++ b/llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads-with-external-use-ptr.ll
@@ -8,16 +8,17 @@ define i16 @test() {
 ; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    [[PPREV_058_I:%.*]] = getelementptr [[S:%.*]], ptr null, i64 -1
-; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <2 x ptr> <ptr null, ptr poison>, ptr [[PPREV_058_I]], i32 1
 ; CHECK-NEXT:    br label [[WHILE_BODY_I:%.*]]
 ; CHECK:       while.body.i:
-; CHECK-NEXT:    [[TMP1:%.*]] = phi i16 [ 0, [[WHILE_BODY_I]] ], [ 0, [[ENTRY:%.*]] ]
-; CHECK-NEXT:    [[TMP2:%.*]] = phi <2 x ptr> [ [[TMP3:%.*]], [[WHILE_BODY_I]] ], [ [[TMP0]], [[ENTRY]] ]
-; CHECK-NEXT:    [[TMP3]] = getelementptr [[S]], <2 x ptr> [[TMP2]], <2 x i64> <i64 -1, i64 -1>
-; CHECK-NEXT:    [[TMP4:%.*]] = call <2 x i16> @llvm.masked.gather.v2i16.v2p0(<2 x ptr> [[TMP3]], i32 2, <2 x i1> <i1 true, i1 true>, <2 x i16> poison)
-; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x i16> [[TMP4]], i32 0
-; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x i16> [[TMP4]], i32 1
-; CHECK-NEXT:    [[CMP_I178:%.*]] = icmp ult i16 [[TMP5]], [[TMP6]]
+; CHECK-NEXT:    [[TMP0:%.*]] = phi i16 [ 0, [[WHILE_BODY_I]] ], [ 0, [[ENTRY:%.*]] ]
+; CHECK-NEXT:    [[PPREV_062_I:%.*]] = phi ptr [ [[PPREV_0_I:%.*]], [[WHILE_BODY_I]] ], [ [[PPREV_058_I]], [[ENTRY]] ]
+; CHECK-NEXT:    [[PEDGE_061_I:%.*]] = phi ptr [ [[INCDEC_PTR_I:%.*]], [[WHILE_BODY_I]] ], [ null, [[ENTRY]] ]
+; CHECK-NEXT:    [[INCDEC_PTR_I]] = getelementptr [[S]], ptr [[PEDGE_061_I]], i64 -1
+; CHECK-NEXT:    [[PPREV_0_I]] = getelementptr [[S]], ptr [[PPREV_062_I]], i64 -1
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i16> @llvm.experimental.vp.strided.load.v2i16.p0.i64(ptr align 2 [[PPREV_0_I]], i64 4, <2 x i1> <i1 true, i1 true>, i32 2)
+; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x i16> [[TMP1]], i32 0
+; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x i16> [[TMP1]], i32 1
+; CHECK-NEXT:    [[CMP_I178:%.*]] = icmp ult i16 [[TMP3]], [[TMP2]]
 ; CHECK-NEXT:    br label [[WHILE_BODY_I]]
 ;
 entry:



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