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[VPlan] Allow wide-stores in narrow to single scalar #157869

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[VPlan] Allow wide-stores in narrow to single scalar #157869

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7 changes: 4 additions & 3 deletions llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
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Expand Up @@ -1311,14 +1311,15 @@ static void narrowToSingleScalarRecipes(VPlan &Plan) {
// Skip recipes that aren't single scalars or don't have only their
// scalar results used. In the latter case, we would introduce extra
// broadcasts.
if (!vputils::isSingleScalar(RepOrWidenR) ||
if ((!vputils::isSingleScalar(RepOrWidenR) &&
!vputils::onlyFirstLaneUsed(RepOrWidenR)) ||
RepOrWidenR->getNumUsers() == 0 ||
!all_of(RepOrWidenR->users(), [RepOrWidenR](const VPUser *U) {
return U->usesScalars(RepOrWidenR) ||
return U->usesScalars(RepOrWidenR) || isa<VPWidenStoreRecipe>(U) ||
match(cast<VPRecipeBase>(U),
m_ExtractLastElement(m_VPValue()));
}))
continue;

auto *Clone = new VPReplicateRecipe(RepOrWidenR->getUnderlyingInstr(),
RepOrWidenR->operands(),
true /*IsSingleScalar*/);
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49 changes: 23 additions & 26 deletions llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
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Expand Up @@ -428,48 +428,45 @@ define i32 @header_mask_and_invariant_compare(ptr %A, ptr %B, ptr %C, ptr %D, pt
; DEFAULT-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]]
; DEFAULT-NEXT: br label %[[VECTOR_BODY:.*]]
; DEFAULT: [[VECTOR_BODY]]:
; DEFAULT-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE37:.*]] ]
; DEFAULT-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE35:.*]] ]
; DEFAULT-NEXT: [[TMP9:%.*]] = load i32, ptr [[A]], align 4, !alias.scope [[META8:![0-9]+]]
; DEFAULT-NEXT: [[BROADCAST_SPLATINSERT28:%.*]] = insertelement <4 x i32> poison, i32 [[TMP9]], i64 0
; DEFAULT-NEXT: [[BROADCAST_SPLAT29:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT28]], <4 x i32> poison, <4 x i32> zeroinitializer
; DEFAULT-NEXT: [[TMP19:%.*]] = load i32, ptr [[B]], align 4, !alias.scope [[META11:![0-9]+]]
; DEFAULT-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TMP19]], i64 0
; DEFAULT-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; DEFAULT-NEXT: [[TMP6:%.*]] = or <4 x i32> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT29]]
; DEFAULT-NEXT: [[TMP7:%.*]] = load i32, ptr [[C]], align 4, !alias.scope [[META13:![0-9]+]]
; DEFAULT-NEXT: [[BROADCAST_SPLATINSERT30:%.*]] = insertelement <4 x i32> poison, i32 [[TMP7]], i64 0
; DEFAULT-NEXT: [[BROADCAST_SPLAT31:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT30]], <4 x i32> poison, <4 x i32> zeroinitializer
; DEFAULT-NEXT: [[TMP8:%.*]] = icmp ugt <4 x i32> [[BROADCAST_SPLAT31]], [[TMP6]]
; DEFAULT-NEXT: [[TMP10:%.*]] = load i32, ptr [[C]], align 4, !alias.scope [[META13:![0-9]+]]
; DEFAULT-NEXT: [[TMP7:%.*]] = extractelement <4 x i32> [[TMP6]], i32 0
; DEFAULT-NEXT: [[TMP8:%.*]] = icmp ugt i32 [[TMP10]], [[TMP7]]
; DEFAULT-NEXT: [[BROADCAST_SPLATINSERT36:%.*]] = insertelement <4 x i1> poison, i1 [[TMP8]], i64 0
; DEFAULT-NEXT: [[BROADCAST_SPLAT37:%.*]] = shufflevector <4 x i1> [[BROADCAST_SPLATINSERT36]], <4 x i1> poison, <4 x i32> zeroinitializer
; DEFAULT-NEXT: [[TMP16:%.*]] = getelementptr i32, ptr [[D]], i64 [[INDEX]]
; DEFAULT-NEXT: [[TMP20:%.*]] = extractelement <4 x i1> [[TMP8]], i32 0
; DEFAULT-NEXT: br i1 [[TMP20]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; DEFAULT-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; DEFAULT: [[PRED_STORE_IF]]:
; DEFAULT-NEXT: [[TMP11:%.*]] = extractelement <4 x i32> [[TMP6]], i32 0
; DEFAULT-NEXT: store i32 [[TMP11]], ptr [[E]], align 4, !alias.scope [[META15:![0-9]+]], !noalias [[META17:![0-9]+]]
; DEFAULT-NEXT: br label %[[PRED_STORE_CONTINUE]]
; DEFAULT: [[PRED_STORE_CONTINUE]]:
; DEFAULT-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP8]], i32 1
; DEFAULT-NEXT: br i1 [[TMP12]], label %[[PRED_STORE_IF32:.*]], label %[[PRED_STORE_CONTINUE33:.*]]
; DEFAULT: [[PRED_STORE_IF32]]:
; DEFAULT-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF30:.*]], label %[[PRED_STORE_CONTINUE31:.*]]
; DEFAULT: [[PRED_STORE_IF30]]:
; DEFAULT-NEXT: [[TMP13:%.*]] = extractelement <4 x i32> [[TMP6]], i32 0
; DEFAULT-NEXT: store i32 [[TMP13]], ptr [[E]], align 4, !alias.scope [[META15]], !noalias [[META17]]
; DEFAULT-NEXT: br label %[[PRED_STORE_CONTINUE31]]
; DEFAULT: [[PRED_STORE_CONTINUE31]]:
; DEFAULT-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF32:.*]], label %[[PRED_STORE_CONTINUE33:.*]]
; DEFAULT: [[PRED_STORE_IF32]]:
; DEFAULT-NEXT: [[TMP15:%.*]] = extractelement <4 x i32> [[TMP6]], i32 0
; DEFAULT-NEXT: store i32 [[TMP15]], ptr [[E]], align 4, !alias.scope [[META15]], !noalias [[META17]]
; DEFAULT-NEXT: br label %[[PRED_STORE_CONTINUE33]]
; DEFAULT: [[PRED_STORE_CONTINUE33]]:
; DEFAULT-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP8]], i32 2
; DEFAULT-NEXT: br i1 [[TMP14]], label %[[PRED_STORE_IF34:.*]], label %[[PRED_STORE_CONTINUE35:.*]]
; DEFAULT-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF34:.*]], label %[[PRED_STORE_CONTINUE35]]
; DEFAULT: [[PRED_STORE_IF34]]:
; DEFAULT-NEXT: [[TMP15:%.*]] = extractelement <4 x i32> [[TMP6]], i32 0
; DEFAULT-NEXT: store i32 [[TMP15]], ptr [[E]], align 4, !alias.scope [[META15]], !noalias [[META17]]
; DEFAULT-NEXT: br label %[[PRED_STORE_CONTINUE35]]
; DEFAULT: [[PRED_STORE_CONTINUE35]]:
; DEFAULT-NEXT: [[TMP21:%.*]] = extractelement <4 x i1> [[TMP8]], i32 3
; DEFAULT-NEXT: br i1 [[TMP21]], label %[[PRED_STORE_IF36:.*]], label %[[PRED_STORE_CONTINUE37]]
; DEFAULT: [[PRED_STORE_IF36]]:
; DEFAULT-NEXT: [[TMP22:%.*]] = extractelement <4 x i32> [[TMP6]], i32 0
; DEFAULT-NEXT: store i32 [[TMP22]], ptr [[E]], align 4, !alias.scope [[META15]], !noalias [[META17]]
; DEFAULT-NEXT: br label %[[PRED_STORE_CONTINUE37]]
; DEFAULT: [[PRED_STORE_CONTINUE37]]:
; DEFAULT-NEXT: call void @llvm.masked.store.v4i32.p0(<4 x i32> zeroinitializer, ptr [[TMP16]], i32 4, <4 x i1> [[TMP8]]), !alias.scope [[META19:![0-9]+]], !noalias [[META20:![0-9]+]]
; DEFAULT-NEXT: br label %[[PRED_STORE_CONTINUE35]]
; DEFAULT: [[PRED_STORE_CONTINUE35]]:
; DEFAULT-NEXT: call void @llvm.masked.store.v4i32.p0(<4 x i32> zeroinitializer, ptr [[TMP16]], i32 4, <4 x i1> [[BROADCAST_SPLAT37]]), !alias.scope [[META19:![0-9]+]], !noalias [[META20:![0-9]+]]
; DEFAULT-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; DEFAULT-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; DEFAULT-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
Expand Down Expand Up @@ -658,15 +655,15 @@ define void @low_trip_count_fold_tail_scalarized_store(ptr %dst) {
; COMMON-NEXT: store i8 6, ptr [[TMP6]], align 1
; COMMON-NEXT: br label %[[PRED_STORE_CONTINUE12]]
; COMMON: [[PRED_STORE_CONTINUE12]]:
; COMMON-NEXT: br i1 false, label %[[PRED_STORE_IF13:.*]], label %[[EXIT:.*]]
; COMMON-NEXT: br i1 false, label %[[PRED_STORE_IF13:.*]], label %[[EXIT1:.*]]
; COMMON: [[PRED_STORE_IF13]]:
; COMMON-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[DST]], i64 7
; COMMON-NEXT: store i8 7, ptr [[TMP7]], align 1
; COMMON-NEXT: br label %[[EXIT]]
; COMMON: [[EXIT]]:
; COMMON-NEXT: br label %[[EXIT1]]
; COMMON: [[EXIT1]]:
; COMMON-NEXT: br label %[[MIDDLE_BLOCK:.*]]
; COMMON: [[MIDDLE_BLOCK]]:
; COMMON-NEXT: br [[EXIT1:label %.*]]
; COMMON-NEXT: br [[EXIT:label %.*]]
; COMMON: [[SCALAR_PH]]:
;
entry:
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10 changes: 4 additions & 6 deletions llvm/test/Transforms/LoopVectorize/AArch64/extractvalue-no-scalarization-required.ll
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Expand Up @@ -16,7 +16,7 @@
; CM: vector.ph:
; CM: CLONE ir<%a> = extractvalue ir<%sv>
; CM: CLONE ir<%b> = extractvalue ir<%sv>
; CM: WIDEN ir<%add> = add ir<%a>, ir<%b>
; CM: CLONE ir<%add> = add ir<%a>, ir<%b>
; CM: Successor(s): vector loop

; CM: LV: Scalar loop costs: 5.
Expand All @@ -30,17 +30,15 @@ define void @test1(ptr %dst, {i64, i64} %sv) {
; FORCED-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; FORCED: [[VECTOR_PH]]:
; FORCED-NEXT: [[TMP0:%.*]] = extractvalue { i64, i64 } [[SV]], 0
; FORCED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[TMP0]], i64 0
; FORCED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
; FORCED-NEXT: [[TMP4:%.*]] = extractvalue { i64, i64 } [[SV]], 1
; FORCED-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <2 x i64> poison, i64 [[TMP4]], i64 0
; FORCED-NEXT: [[TMP5:%.*]] = add i64 [[TMP0]], [[TMP4]]
; FORCED-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <2 x i64> poison, i64 [[TMP5]], i64 0
; FORCED-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT1]], <2 x i64> poison, <2 x i32> zeroinitializer
; FORCED-NEXT: [[TMP1:%.*]] = add <2 x i64> [[BROADCAST_SPLAT]], [[BROADCAST_SPLAT2]]
; FORCED-NEXT: br label %[[VECTOR_BODY:.*]]
; FORCED: [[VECTOR_BODY]]:
; FORCED-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; FORCED-NEXT: [[TMP2:%.*]] = getelementptr i64, ptr [[DST]], i32 [[INDEX]]
; FORCED-NEXT: store <2 x i64> [[TMP1]], ptr [[TMP2]], align 4
; FORCED-NEXT: store <2 x i64> [[BROADCAST_SPLAT2]], ptr [[TMP2]], align 4
; FORCED-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; FORCED-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1000
; FORCED-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
Expand Down
8 changes: 3 additions & 5 deletions llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-extractvalue.ll
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Expand Up @@ -17,17 +17,15 @@ define void @widen_extractvalue(ptr %dst, {i64, i64} %sv) #0 {
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 1000, [[TMP3]]
; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 1000, [[N_MOD_VF]]
; CHECK-NEXT: [[EXTRACT0:%.*]] = extractvalue { i64, i64 } [[SV]], 0
; CHECK-NEXT: [[DOTSPLATINSERT1:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[EXTRACT0]], i64 0
; CHECK-NEXT: [[DOTSPLAT2:%.*]] = shufflevector <vscale x 2 x i64> [[DOTSPLATINSERT1]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP10:%.*]] = extractvalue { i64, i64 } [[SV]], 1
; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP10]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[EXTRACT0]], [[TMP10]]
; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP6]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 2 x i64> [[BROADCAST_SPLATINSERT1]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP7:%.*]] = add <vscale x 2 x i64> [[DOTSPLAT2]], [[BROADCAST_SPLAT2]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i64, ptr [[DST]], i32 [[INDEX]]
; CHECK-NEXT: store <vscale x 2 x i64> [[TMP7]], ptr [[TMP8]], align 8
; CHECK-NEXT: store <vscale x 2 x i64> [[BROADCAST_SPLAT2]], ptr [[TMP8]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], [[TMP3]]
; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
Expand Down
6 changes: 3 additions & 3 deletions llvm/test/Transforms/LoopVectorize/RISCV/dead-ops-cost.ll
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Expand Up @@ -304,9 +304,9 @@ define void @test_phi_in_latch_redundant(ptr %dst, i32 %a) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[A]], i64 0
; CHECK-NEXT: [[TMP0:%.*]] = xor i32 [[A]], -1
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[TMP0]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-NEXT: [[TMP19:%.*]] = xor <vscale x 4 x i32> [[BROADCAST_SPLAT]], splat (i32 -1)
; CHECK-NEXT: [[TMP6:%.*]] = call <vscale x 4 x i64> @llvm.stepvector.nxv4i64()
; CHECK-NEXT: [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], splat (i64 9)
; CHECK-NEXT: [[INDUCTION:%.*]] = add <vscale x 4 x i64> zeroinitializer, [[TMP7]]
Expand All @@ -320,7 +320,7 @@ define void @test_phi_in_latch_redundant(ptr %dst, i32 %a) {
; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP9]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT1]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i32, ptr [[DST]], <vscale x 4 x i64> [[VEC_IND]]
; CHECK-NEXT: call void @llvm.vp.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP19]], <vscale x 4 x ptr> align 4 [[TMP16]], <vscale x 4 x i1> splat (i1 true), i32 [[TMP8]])
; CHECK-NEXT: call void @llvm.vp.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> align 4 [[TMP16]], <vscale x 4 x i1> splat (i1 true), i32 [[TMP8]])
; CHECK-NEXT: [[TMP17:%.*]] = zext i32 [[TMP8]] to i64
; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP17]]
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[BROADCAST_SPLAT2]]
Expand Down
7 changes: 4 additions & 3 deletions llvm/test/Transforms/LoopVectorize/pr50686.ll
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Expand Up @@ -26,12 +26,13 @@ define void @m(ptr nocapture %p, ptr nocapture %p2, i32 %q) {
; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x i32> poison, i32 [[TMP3]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT2]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-NEXT: [[TMP4:%.*]] = sub nsw <4 x i32> [[TMP2]], [[BROADCAST_SPLAT3]]
; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX9_2]], align 4, !alias.scope [[META0]]
; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[ARRAYIDX9_2]], align 4, !alias.scope [[META0]]
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x i32> [[TMP4]], i32 0
; CHECK-NEXT: [[TMP5:%.*]] = sub nsw i32 [[TMP9]], [[TMP6]]
Comment on lines +29 to +31
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@fhahn fhahn Sep 10, 2025

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this looks like a regression

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@artagnon artagnon Sep 10, 2025

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Damn, sorry I missed this. Investigating.

; CHECK-NEXT: [[BROADCAST_SPLATINSERT4:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT5:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT4]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-NEXT: [[TMP6:%.*]] = sub nsw <4 x i32> [[TMP4]], [[BROADCAST_SPLAT5]]
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[P]], i64 [[INDEX]]
; CHECK-NEXT: store <4 x i32> [[TMP6]], ptr [[TMP7]], align 4, !alias.scope [[META3:![0-9]+]], !noalias [[META0]]
; CHECK-NEXT: store <4 x i32> [[BROADCAST_SPLAT5]], ptr [[TMP7]], align 4, !alias.scope [[META3:![0-9]+]], !noalias [[META0]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 60
; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
Expand Down