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Automerge: Revert "[SLP]Change the insertion point for outside-block-used nodes and prevec phi operand gathers"
This reverts commit d79d9b8 to fix a bug reported in llvm/llvm-project#139917 (comment)
2 parents 9b9e0bd + 60fb921 commit 3c72cce

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10 files changed

+33
-99
lines changed

10 files changed

+33
-99
lines changed

‎llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp‎

Lines changed: 15 additions & 41 deletions
Original file line numberDiff line numberDiff line change
@@ -16142,10 +16142,16 @@ Instruction &BoUpSLP::getLastInstructionInBundle(const TreeEntry *E) {
1614216142
[](Value *V) {
1614316143
return !isa<GetElementPtrInst>(V) && isa<Instruction>(V);
1614416144
})) ||
16145-
all_of(E->Scalars, [](Value *V) {
16146-
return isa<PoisonValue>(V) ||
16147-
(!isVectorLikeInstWithConstOps(V) && isUsedOutsideBlock(V));
16148-
}))
16145+
all_of(E->Scalars,
16146+
[](Value *V) {
16147+
return isa<PoisonValue>(V) ||
16148+
(!isVectorLikeInstWithConstOps(V) &&
16149+
isUsedOutsideBlock(V));
16150+
}) ||
16151+
(E->isGather() && E->Idx == 0 && all_of(E->Scalars, [](Value *V) {
16152+
return isa<ExtractElementInst, UndefValue>(V) ||
16153+
areAllOperandsNonInsts(V);
16154+
})))
1614916155
Res = FindLastInst();
1615016156
else
1615116157
Res = FindFirstInst();
@@ -16204,7 +16210,7 @@ void BoUpSLP::setInsertPointAfterBundle(const TreeEntry *E) {
1620416210
}
1620516211
if (IsPHI ||
1620616212
(!E->isGather() && E->State != TreeEntry::SplitVectorize &&
16207-
all_of(E->Scalars, areAllOperandsNonInsts)) ||
16213+
doesNotNeedToSchedule(E->Scalars)) ||
1620816214
(GatheredLoadsEntriesFirst.has_value() &&
1620916215
E->Idx >= *GatheredLoadsEntriesFirst && !E->isGather() &&
1621016216
E->getOpcode() == Instruction::Load)) {
@@ -17793,27 +17799,17 @@ Value *BoUpSLP::vectorizeTree(TreeEntry *E) {
1779317799
Value *VecOp = NewPhi->getIncomingValueForBlock(IBB);
1779417800
NewPhi->addIncoming(VecOp, IBB);
1779517801
TreeEntry *OpTE = getOperandEntry(E, I);
17796-
assert(!OpTE->VectorizedValue && "Expected no vectorized value.");
1779717802
OpTE->VectorizedValue = VecOp;
1779817803
continue;
1779917804
}
1780017805

1780117806
Builder.SetInsertPoint(IBB->getTerminator());
1780217807
Builder.SetCurrentDebugLocation(PH->getDebugLoc());
17803-
const TreeEntry *OpE = getOperandEntry(E, I);
17804-
Value *Vec;
17805-
if (OpE->isGather()) {
17806-
assert(OpE->VectorizedValue && "Expected vectorized value.");
17807-
Vec = OpE->VectorizedValue;
17808-
if (auto *IVec = dyn_cast<Instruction>(Vec))
17809-
Builder.SetInsertPoint(IVec->getNextNonDebugInstruction());
17810-
} else {
17811-
Vec = vectorizeOperand(E, I);
17812-
}
17808+
Value *Vec = vectorizeOperand(E, I);
1781317809
if (VecTy != Vec->getType()) {
17814-
assert(
17815-
(It != MinBWs.end() || OpE->isGather() || MinBWs.contains(OpE)) &&
17816-
"Expected item in MinBWs.");
17810+
assert((It != MinBWs.end() || getOperandEntry(E, I)->isGather() ||
17811+
MinBWs.contains(getOperandEntry(E, I))) &&
17812+
"Expected item in MinBWs.");
1781717813
Vec = Builder.CreateIntCast(Vec, VecTy, GetOperandSignedness(I));
1781817814
}
1781917815
NewPhi->addIncoming(Vec, IBB);
@@ -18700,28 +18696,6 @@ Value *BoUpSLP::vectorizeTree(
1870018696
else
1870118697
Builder.SetInsertPoint(&F->getEntryBlock(), F->getEntryBlock().begin());
1870218698

18703-
// Vectorize gather operands of the PHI nodes.
18704-
for (const std::unique_ptr<TreeEntry> &TE : reverse(VectorizableTree)) {
18705-
if (TE->isGather() && TE->UserTreeIndex.UserTE &&
18706-
TE->UserTreeIndex.UserTE->hasState() &&
18707-
!TE->UserTreeIndex.UserTE->isAltShuffle() &&
18708-
TE->UserTreeIndex.UserTE->State == TreeEntry::Vectorize &&
18709-
TE->UserTreeIndex.UserTE->getOpcode() == Instruction::PHI &&
18710-
!TE->VectorizedValue) {
18711-
auto *PH = cast<PHINode>(TE->UserTreeIndex.UserTE->getMainOp());
18712-
BasicBlock *IBB = PH->getIncomingBlock(TE->UserTreeIndex.EdgeIdx);
18713-
// If there is the same incoming block earlier - skip, it will be handled
18714-
// in PHI node.
18715-
if (TE->UserTreeIndex.EdgeIdx > 0 &&
18716-
any_of(seq<unsigned>(TE->UserTreeIndex.EdgeIdx), [&](unsigned Idx) {
18717-
return PH->getIncomingBlock(Idx) == IBB;
18718-
}))
18719-
continue;
18720-
Builder.SetInsertPoint(IBB->getTerminator());
18721-
Builder.SetCurrentDebugLocation(PH->getDebugLoc());
18722-
(void)vectorizeTree(TE.get());
18723-
}
18724-
}
1872518699
// Emit gathered loads first to emit better code for the users of those
1872618700
// gathered loads.
1872718701
for (const std::unique_ptr<TreeEntry> &TE : VectorizableTree) {

‎llvm/test/Transforms/SLPVectorizer/AArch64/reused-scalar-repeated-in-node.ll‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -37,19 +37,19 @@ define void @test() {
3737
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <16 x float> [[TMP10]], float [[I69]], i32 15
3838
; CHECK-NEXT: br i1 poison, label %[[BB167:.*]], label %[[BB77:.*]]
3939
; CHECK: [[BB77]]:
40+
; CHECK-NEXT: [[TMP12:%.*]] = shufflevector <16 x float> [[TMP11]], <16 x float> poison, <8 x i32> <i32 poison, i32 poison, i32 poison, i32 poison, i32 14, i32 15, i32 poison, i32 poison>
41+
; CHECK-NEXT: [[TMP17:%.*]] = insertelement <8 x float> poison, float [[I70]], i32 0
42+
; CHECK-NEXT: [[TMP23:%.*]] = shufflevector <8 x float> [[TMP12]], <8 x float> [[TMP17]], <8 x i32> <i32 8, i32 poison, i32 poison, i32 poison, i32 4, i32 5, i32 poison, i32 poison>
4043
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <8 x float> poison, float [[I70]], i32 1
4144
; CHECK-NEXT: [[TMP19:%.*]] = insertelement <8 x float> [[TMP14]], float [[I68]], i32 2
4245
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <8 x float> [[TMP19]], float [[I66]], i32 3
4346
; CHECK-NEXT: [[TMP20:%.*]] = insertelement <8 x float> [[TMP16]], float [[I67]], i32 6
4447
; CHECK-NEXT: [[TMP21:%.*]] = insertelement <8 x float> [[TMP20]], float [[I69]], i32 7
45-
; CHECK-NEXT: [[TMP17:%.*]] = shufflevector <16 x float> [[TMP11]], <16 x float> poison, <8 x i32> <i32 poison, i32 poison, i32 poison, i32 poison, i32 14, i32 15, i32 poison, i32 poison>
46-
; CHECK-NEXT: [[TMP23:%.*]] = insertelement <8 x float> poison, float [[I70]], i32 0
47-
; CHECK-NEXT: [[TMP30:%.*]] = shufflevector <8 x float> [[TMP17]], <8 x float> [[TMP23]], <8 x i32> <i32 8, i32 poison, i32 poison, i32 poison, i32 4, i32 5, i32 poison, i32 poison>
4848
; CHECK-NEXT: [[TMP39:%.*]] = shufflevector <16 x float> [[TMP25]], <16 x float> poison, <16 x i32> <i32 poison, i32 poison, i32 3, i32 2, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
4949
; CHECK-NEXT: [[TMP13:%.*]] = shufflevector <16 x float> [[TMP39]], <16 x float> [[TMP25]], <16 x i32> <i32 poison, i32 poison, i32 2, i32 3, i32 18, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 19, i32 poison, i32 poison>
5050
; CHECK-NEXT: br label %[[BB78:.*]]
5151
; CHECK: [[BB78]]:
52-
; CHECK-NEXT: [[TMP15:%.*]] = phi <8 x float> [ [[TMP30]], %[[BB77]] ], [ [[TMP36:%.*]], %[[BB78]] ]
52+
; CHECK-NEXT: [[TMP15:%.*]] = phi <8 x float> [ [[TMP23]], %[[BB77]] ], [ [[TMP36:%.*]], %[[BB78]] ]
5353
; CHECK-NEXT: [[TMP22:%.*]] = phi <8 x float> [ [[TMP21]], %[[BB77]] ], [ [[TMP31:%.*]], %[[BB78]] ]
5454
; CHECK-NEXT: [[TMP24:%.*]] = shufflevector <8 x float> [[TMP22]], <8 x float> poison, <16 x i32> <i32 0, i32 3, i32 1, i32 2, i32 3, i32 0, i32 2, i32 3, i32 2, i32 6, i32 2, i32 3, i32 0, i32 7, i32 6, i32 6>
5555
; CHECK-NEXT: [[TMP38:%.*]] = shufflevector <8 x float> [[TMP15]], <8 x float> poison, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 1, i32 0, i32 3, i32 1, i32 3, i32 5, i32 3, i32 1, i32 0, i32 4, i32 5, i32 5>
@@ -58,8 +58,8 @@ define void @test() {
5858
; CHECK-NEXT: [[TMP27:%.*]] = fadd fast <16 x float> [[TMP26]], [[TMP18]]
5959
; CHECK-NEXT: [[TMP28:%.*]] = fadd fast <16 x float> [[TMP27]], poison
6060
; CHECK-NEXT: [[TMP29:%.*]] = fadd fast <16 x float> [[TMP28]], poison
61-
; CHECK-NEXT: [[TMP31]] = shufflevector <16 x float> [[TMP29]], <16 x float> poison, <8 x i32> <i32 12, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 14, i32 15>
6261
; CHECK-NEXT: [[TMP36]] = shufflevector <16 x float> [[TMP29]], <16 x float> poison, <8 x i32> <i32 5, i32 11, i32 12, i32 10, i32 14, i32 15, i32 poison, i32 poison>
62+
; CHECK-NEXT: [[TMP31]] = shufflevector <16 x float> [[TMP29]], <16 x float> poison, <8 x i32> <i32 12, i32 5, i32 6, i32 7, i32 poison, i32 poison, i32 14, i32 15>
6363
; CHECK-NEXT: br i1 poison, label %[[BB78]], label %[[BB167]]
6464
; CHECK: [[BB167]]:
6565
; CHECK-NEXT: [[TMP32:%.*]] = phi <16 x float> [ [[TMP11]], %[[BB64]] ], [ [[TMP29]], %[[BB78]] ]

‎llvm/test/Transforms/SLPVectorizer/X86/buildvectors-parent-phi-nodes.ll‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,14 +5,14 @@ define void @test(ptr %0, float %1) {
55
; CHECK-LABEL: define void @test(
66
; CHECK-SAME: ptr [[TMP0:%.*]], float [[TMP1:%.*]]) #[[ATTR0:[0-9]+]] {
77
; CHECK-NEXT: [[TMP3:%.*]] = load float, ptr [[TMP0]], align 4
8+
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x float> <float 0.000000e+00, float poison>, float [[TMP3]], i32 1
89
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x float> <float poison, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00>, float [[TMP3]], i32 0
9-
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x float> <float 0.000000e+00, float poison>, float [[TMP3]], i32 1
1010
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x float> poison, float [[TMP1]], i32 0
1111
; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <2 x float> [[TMP6]], <2 x float> poison, <2 x i32> zeroinitializer
1212
; CHECK-NEXT: br label %[[BB8:.*]]
1313
; CHECK: [[BB8]]:
1414
; CHECK-NEXT: [[TMP9:%.*]] = phi <4 x float> [ [[TMP15:%.*]], %[[BB8]] ], [ [[TMP5]], [[TMP2:%.*]] ]
15-
; CHECK-NEXT: [[TMP10:%.*]] = phi <2 x float> [ [[TMP7]], %[[BB8]] ], [ [[TMP8]], [[TMP2]] ]
15+
; CHECK-NEXT: [[TMP10:%.*]] = phi <2 x float> [ [[TMP7]], %[[BB8]] ], [ [[TMP4]], [[TMP2]] ]
1616
; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <2 x float> [[TMP10]], <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 0>
1717
; CHECK-NEXT: [[TMP12:%.*]] = fmul <4 x float> [[TMP9]], zeroinitializer
1818
; CHECK-NEXT: [[TMP13:%.*]] = fadd <4 x float> [[TMP12]], zeroinitializer

‎llvm/test/Transforms/SLPVectorizer/X86/full-matched-bv-with-subvectors.ll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -6,9 +6,9 @@ define i32 @test(i64 %l.549) {
66
; CHECK-SAME: i64 [[L_549:%.*]]) {
77
; CHECK-NEXT: [[ENTRY:.*]]:
88
; CHECK-NEXT: [[CONV3:%.*]] = sext i32 0 to i64
9+
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i64> poison, i64 [[CONV3]], i32 3
910
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x i64> poison, i64 0, i32 0
1011
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x i64> [[TMP3]], i64 0, i32 1
11-
; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i64> poison, i64 [[CONV3]], i32 3
1212
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x i64> poison, i64 [[L_549]], i32 0
1313
; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <4 x i64> [[TMP8]], <4 x i64> poison, <4 x i32> <i32 poison, i32 0, i32 poison, i32 poison>
1414
; CHECK-NEXT: br label %[[IF_THEN19:.*]]

‎llvm/test/Transforms/SLPVectorizer/X86/matched-bv-schedulable.ll‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,11 +7,11 @@ define void @test() {
77
; CHECK-NEXT: br i1 false, label %[[BB1:.*]], label %[[BB5:.*]]
88
; CHECK: [[BB1]]:
99
; CHECK-NEXT: [[TMP0:%.*]] = phi <2 x i32> [ [[TMP3:%.*]], %[[BB1]] ], [ zeroinitializer, %[[BB]] ]
10-
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> <i32 poison, i32 0>, i32 0, i32 0
11-
; CHECK-NEXT: [[TMP5:%.*]] = or <2 x i32> [[TMP0]], [[TMP4]]
1210
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[TMP0]], <2 x i32> <i32 poison, i32 0>, <2 x i32> <i32 0, i32 3>
1311
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x i32> <i32 poison, i32 1>, i32 0, i32 0
1412
; CHECK-NEXT: [[TMP3]] = or <2 x i32> [[TMP1]], [[TMP2]]
13+
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> <i32 poison, i32 0>, i32 0, i32 0
14+
; CHECK-NEXT: [[TMP5:%.*]] = or <2 x i32> [[TMP0]], [[TMP4]]
1515
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP5]], i32 1
1616
; CHECK-NEXT: [[OR3:%.*]] = or i32 [[TMP6]], 0
1717
; CHECK-NEXT: br i1 false, label %[[BB1]], label %[[BB5]]

‎llvm/test/Transforms/SLPVectorizer/X86/matched-nodes-updated.ll‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -37,18 +37,18 @@ define i32 @test(i32 %s.0) {
3737
; CHECK: [[IF_THEN18:.*]]:
3838
; CHECK-NEXT: br label %[[T]]
3939
; CHECK: [[T]]:
40-
; CHECK-NEXT: [[TMP19:%.*]] = phi <8 x i32> [ [[TMP27:%.*]], %[[O]] ], [ poison, %[[IF_THEN18]] ]
40+
; CHECK-NEXT: [[TMP30:%.*]] = phi <8 x i32> [ [[TMP27:%.*]], %[[O]] ], [ poison, %[[IF_THEN18]] ]
4141
; CHECK-NEXT: [[TMP17]] = extractelement <4 x i32> [[TMP23:%.*]], i32 0
4242
; CHECK-NEXT: br i1 false, label %[[IF_END24]], label %[[K]]
4343
; CHECK: [[IF_END24]]:
44-
; CHECK-NEXT: [[TMP18:%.*]] = phi <8 x i32> [ [[TMP29]], %[[IF_THEN11]] ], [ [[TMP11]], %[[IF_END6]] ], [ [[TMP19]], %[[T]] ]
44+
; CHECK-NEXT: [[TMP18:%.*]] = phi <8 x i32> [ [[TMP29]], %[[IF_THEN11]] ], [ [[TMP11]], %[[IF_END6]] ], [ [[TMP30]], %[[T]] ]
45+
; CHECK-NEXT: [[TMP19:%.*]] = shufflevector <8 x i32> [[TMP18]], <8 x i32> poison, <2 x i32> <i32 7, i32 1>
4546
; CHECK-NEXT: [[TMP20:%.*]] = shufflevector <8 x i32> [[TMP18]], <8 x i32> poison, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
46-
; CHECK-NEXT: [[TMP30:%.*]] = shufflevector <8 x i32> [[TMP18]], <8 x i32> poison, <2 x i32> <i32 7, i32 1>
4747
; CHECK-NEXT: [[TMP21:%.*]] = shufflevector <8 x i32> [[TMP18]], <8 x i32> poison, <4 x i32> <i32 2, i32 3, i32 4, i32 6>
4848
; CHECK-NEXT: br label %[[O]]
4949
; CHECK: [[O]]:
50+
; CHECK-NEXT: [[TMP22]] = phi <2 x i32> [ zeroinitializer, %[[K]] ], [ [[TMP19]], %[[IF_END24]] ]
5051
; CHECK-NEXT: [[TMP23]] = phi <4 x i32> [ [[TMP1]], %[[K]] ], [ [[TMP20]], %[[IF_END24]] ]
51-
; CHECK-NEXT: [[TMP22]] = phi <2 x i32> [ zeroinitializer, %[[K]] ], [ [[TMP30]], %[[IF_END24]] ]
5252
; CHECK-NEXT: [[TMP24:%.*]] = phi <4 x i32> [ zeroinitializer, %[[K]] ], [ [[TMP21]], %[[IF_END24]] ]
5353
; CHECK-NEXT: [[TMP25:%.*]] = shufflevector <4 x i32> [[TMP23]], <4 x i32> poison, <8 x i32> <i32 0, i32 poison, i32 0, i32 0, i32 poison, i32 poison, i32 poison, i32 poison>
5454
; CHECK-NEXT: [[TMP26:%.*]] = shufflevector <8 x i32> [[TMP25]], <8 x i32> <i32 poison, i32 0, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>, <8 x i32> <i32 0, i32 9, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison>

‎llvm/test/Transforms/SLPVectorizer/X86/node-outside-used-only.ll‎

Lines changed: 0 additions & 40 deletions
This file was deleted.

‎llvm/test/Transforms/SLPVectorizer/X86/reduced-val-vectorized-in-transform.ll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -16,10 +16,10 @@ define i32 @test(i1 %cond) {
1616
; CHECK-NEXT: [[TMP5:%.*]] = or <4 x i32> zeroinitializer, [[TMP4]]
1717
; CHECK-NEXT: [[OR92]] = or i32 1, 0
1818
; CHECK-NEXT: [[TMP6:%.*]] = call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> [[TMP5]])
19-
; CHECK-NEXT: [[OP_RDX:%.*]] = xor i32 [[TMP6]], [[OR92]]
2019
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i32> <i32 poison, i32 1>, i32 [[TMP6]], i32 0
2120
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x i32> <i32 poison, i32 0>, i32 [[OR92]], i32 0
2221
; CHECK-NEXT: [[TMP8]] = xor <2 x i32> [[TMP9]], [[TMP7]]
22+
; CHECK-NEXT: [[OP_RDX:%.*]] = xor i32 [[TMP6]], [[OR92]]
2323
; CHECK-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[BB]]
2424
; CHECK: [[EXIT]]:
2525
; CHECK-NEXT: ret i32 [[OP_RDX]]

‎llvm/test/Transforms/SLPVectorizer/X86/split-node-num-operands.ll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -15,8 +15,8 @@ define i64 @Foo(ptr align 8 dereferenceable(344) %0, i64 %1) {
1515
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1
1616
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i32 0
1717
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP8]], i32 1
18-
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x i64> <i64 0, i64 poison>, i64 [[TMP1]], i32 1
1918
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <2 x i64> poison, i64 0, i32 0
19+
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x i64> <i64 0, i64 poison>, i64 [[TMP1]], i32 1
2020
; CHECK-NEXT: br label %[[BB16:.*]]
2121
; CHECK: [[BB16]]:
2222
; CHECK-NEXT: [[TMP17:%.*]] = phi <2 x i64> [ [[TMP11]], [[TMP2:%.*]] ], [ zeroinitializer, %[[TMP25:.*]] ]

‎llvm/test/Transforms/SLPVectorizer/revec.ll‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -234,12 +234,12 @@ define void @test7() {
234234
define void @test8() {
235235
; CHECK-LABEL: @test8(
236236
; CHECK-NEXT: entry:
237-
; CHECK-NEXT: [[TMP4:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> zeroinitializer, i64 0)
238-
; CHECK-NEXT: [[TMP5:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> [[TMP4]], <2 x float> zeroinitializer, i64 2)
239237
; CHECK-NEXT: [[TMP0:%.*]] = call <8 x float> @llvm.vector.insert.v8f32.v2f32(<8 x float> poison, <2 x float> zeroinitializer, i64 0)
240238
; CHECK-NEXT: [[TMP1:%.*]] = call <8 x float> @llvm.vector.insert.v8f32.v2f32(<8 x float> [[TMP0]], <2 x float> zeroinitializer, i64 2)
241239
; CHECK-NEXT: [[TMP2:%.*]] = call <8 x float> @llvm.vector.insert.v8f32.v2f32(<8 x float> [[TMP1]], <2 x float> zeroinitializer, i64 4)
242240
; CHECK-NEXT: [[TMP3:%.*]] = call <8 x float> @llvm.vector.insert.v8f32.v2f32(<8 x float> [[TMP2]], <2 x float> zeroinitializer, i64 6)
241+
; CHECK-NEXT: [[TMP4:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> zeroinitializer, i64 0)
242+
; CHECK-NEXT: [[TMP5:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> [[TMP4]], <2 x float> zeroinitializer, i64 2)
243243
; CHECK-NEXT: br i1 false, label [[FOR0:%.*]], label [[FOR_BODY:%.*]]
244244
; CHECK: for0:
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; CHECK-NEXT: [[TMP6:%.*]] = phi <8 x float> [ [[TMP3]], [[ENTRY:%.*]] ], [ [[TMP8:%.*]], [[FOR_BODY]] ]

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