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b72c19f1a6c979724ee7ab42779c4e2f80098bf7
clang-p2996/llvm/test/Transforms/LoopVectorize/X86/scatter_crash.ll
Matthew Simpson 18d8898317 [LV] Generate both scalar and vector integer induction variables 
This patch enables the vectorizer to generate both scalar and vector versions
of an integer induction variable for a given loop. Previously, we only
generated a scalar induction variable if we knew all its users were going to be
scalar. Otherwise, we generated a vector induction variable. In the case of a
loop with both scalar and vector users of the induction variable, we would
generate the vector induction variable and extract scalar values from it for
the scalar users. With this patch, we now generate both versions of the
induction variable when there are both scalar and vector users and select which
version to use based on whether the user is scalar or vector.

Differential Revision: https://reviews.llvm.org/D22869

llvm-svn: 277474
2016-08-02 15:25:16 +00:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -loop-vectorize -S | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
; This test checks vector GEP before scatter.
; The code bellow crashed due to destroyed SSA while incorrect vectorization of
; the GEP.
@d = global [10 x [10 x i32]] zeroinitializer, align 16
@c = external global i32, align 4
@a = external global i32, align 4
@b = external global i64, align 8
; Function Attrs: norecurse nounwind ssp uwtable
define void @_Z3fn1v() #0 {
; CHECK-LABEL: @_Z3fn1v(
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX:%.*]].next, %vector.body ]
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <16 x i64> [
; CHECK-NEXT: [[VEC_IND3:%.*]] = phi <16 x i64> [
; CHECK-NEXT: [[SHL:%.*]] = shl i64 %index, 1
; CHECK-NEXT: %offset.idx = add i64 [[SHL]], 8
; CHECK-NEXT: [[IND00:%.*]] = add i64 %offset.idx, 0
; CHECK-NEXT: [[IND02:%.*]] = add i64 %offset.idx, 2
; CHECK-NEXT: [[IND04:%.*]] = add i64 %offset.idx, 4
; CHECK-NEXT: [[IND06:%.*]] = add i64 %offset.idx, 6
; CHECK-NEXT: [[IND08:%.*]] = add i64 %offset.idx, 8
; CHECK-NEXT: [[IND10:%.*]] = add i64 %offset.idx, 10
; CHECK-NEXT: [[IND12:%.*]] = add i64 %offset.idx, 12
; CHECK-NEXT: [[IND14:%.*]] = add i64 %offset.idx, 14
; CHECK-NEXT: [[IND16:%.*]] = add i64 %offset.idx, 16
; CHECK-NEXT: [[IND18:%.*]] = add i64 %offset.idx, 18
; CHECK-NEXT: [[IND20:%.*]] = add i64 %offset.idx, 20
; CHECK-NEXT: [[IND22:%.*]] = add i64 %offset.idx, 22
; CHECK-NEXT: [[IND24:%.*]] = add i64 %offset.idx, 24
; CHECK-NEXT: [[IND26:%.*]] = add i64 %offset.idx, 26
; CHECK-NEXT: [[IND28:%.*]] = add i64 %offset.idx, 28
; CHECK-NEXT: [[IND30:%.*]] = add i64 %offset.idx, 30
; CHECK-NEXT: [[TMP10:%.*]] = sub nsw <16 x i64> <i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8>, [[VEC_IND]]
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND00]]
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <16 x [10 x i32]*> undef, [10 x i32]* [[TMP12]], i32 0
; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND02]]
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <16 x [10 x i32]*> [[TMP13]], [10 x i32]* [[TMP15]], i32 1
; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND04]]
; CHECK-NEXT: [[TMP19:%.*]] = insertelement <16 x [10 x i32]*> [[TMP16]], [10 x i32]* [[TMP18]], i32 2
; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND06]]
; CHECK-NEXT: [[TMP22:%.*]] = insertelement <16 x [10 x i32]*> [[TMP19]], [10 x i32]* [[TMP21]], i32 3
; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND08]]
; CHECK-NEXT: [[TMP25:%.*]] = insertelement <16 x [10 x i32]*> [[TMP22]], [10 x i32]* [[TMP24]], i32 4
; CHECK-NEXT: [[TMP27:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND10]]
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <16 x [10 x i32]*> [[TMP25]], [10 x i32]* [[TMP27]], i32 5
; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND12]]
; CHECK-NEXT: [[TMP31:%.*]] = insertelement <16 x [10 x i32]*> [[TMP28]], [10 x i32]* [[TMP30]], i32 6
; CHECK-NEXT: [[TMP33:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND14]]
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <16 x [10 x i32]*> [[TMP31]], [10 x i32]* [[TMP33]], i32 7
; CHECK-NEXT: [[TMP36:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND16]]
; CHECK-NEXT: [[TMP37:%.*]] = insertelement <16 x [10 x i32]*> [[TMP34]], [10 x i32]* [[TMP36]], i32 8
; CHECK-NEXT: [[TMP39:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND18]]
; CHECK-NEXT: [[TMP40:%.*]] = insertelement <16 x [10 x i32]*> [[TMP37]], [10 x i32]* [[TMP39]], i32 9
; CHECK-NEXT: [[TMP42:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND20]]
; CHECK-NEXT: [[TMP43:%.*]] = insertelement <16 x [10 x i32]*> [[TMP40]], [10 x i32]* [[TMP42]], i32 10
; CHECK-NEXT: [[TMP45:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND22]]
; CHECK-NEXT: [[TMP46:%.*]] = insertelement <16 x [10 x i32]*> [[TMP43]], [10 x i32]* [[TMP45]], i32 11
; CHECK-NEXT: [[TMP48:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND24]]
; CHECK-NEXT: [[TMP49:%.*]] = insertelement <16 x [10 x i32]*> [[TMP46]], [10 x i32]* [[TMP48]], i32 12
; CHECK-NEXT: [[TMP51:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND26]]
; CHECK-NEXT: [[TMP52:%.*]] = insertelement <16 x [10 x i32]*> [[TMP49]], [10 x i32]* [[TMP51]], i32 13
; CHECK-NEXT: [[TMP54:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND28]]
; CHECK-NEXT: [[TMP55:%.*]] = insertelement <16 x [10 x i32]*> [[TMP52]], [10 x i32]* [[TMP54]], i32 14
; CHECK-NEXT: [[TMP57:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 [[IND30]]
; CHECK-NEXT: [[TMP58:%.*]] = insertelement <16 x [10 x i32]*> [[TMP55]], [10 x i32]* [[TMP57]], i32 15
; CHECK-NEXT: [[TMP59:%.*]] = add nsw <16 x i64> [[TMP10]], [[VEC_IND3]]
; CHECK-NEXT: [[TMP60:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 0
; CHECK-NEXT: [[TMP61:%.*]] = extractelement <16 x i64> [[TMP59]], i32 0
; CHECK-NEXT: [[TMP62:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP60]], i64 [[TMP61]], i64 0
; CHECK-NEXT: [[TMP63:%.*]] = insertelement <16 x i32*> undef, i32* [[TMP62]], i32 0
; CHECK-NEXT: [[TMP64:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 1
; CHECK-NEXT: [[TMP65:%.*]] = extractelement <16 x i64> [[TMP59]], i32 1
; CHECK-NEXT: [[TMP66:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP64]], i64 [[TMP65]], i64 0
; CHECK-NEXT: [[TMP67:%.*]] = insertelement <16 x i32*> [[TMP63]], i32* [[TMP66]], i32 1
; CHECK-NEXT: [[TMP68:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 2
; CHECK-NEXT: [[TMP69:%.*]] = extractelement <16 x i64> [[TMP59]], i32 2
; CHECK-NEXT: [[TMP70:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP68]], i64 [[TMP69]], i64 0
; CHECK-NEXT: [[TMP71:%.*]] = insertelement <16 x i32*> [[TMP67]], i32* [[TMP70]], i32 2
; CHECK-NEXT: [[TMP72:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 3
; CHECK-NEXT: [[TMP73:%.*]] = extractelement <16 x i64> [[TMP59]], i32 3
; CHECK-NEXT: [[TMP74:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP72]], i64 [[TMP73]], i64 0
; CHECK-NEXT: [[TMP75:%.*]] = insertelement <16 x i32*> [[TMP71]], i32* [[TMP74]], i32 3
; CHECK-NEXT: [[TMP76:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 4
; CHECK-NEXT: [[TMP77:%.*]] = extractelement <16 x i64> [[TMP59]], i32 4
; CHECK-NEXT: [[TMP78:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP76]], i64 [[TMP77]], i64 0
; CHECK-NEXT: [[TMP79:%.*]] = insertelement <16 x i32*> [[TMP75]], i32* [[TMP78]], i32 4
; CHECK-NEXT: [[TMP80:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 5
; CHECK-NEXT: [[TMP81:%.*]] = extractelement <16 x i64> [[TMP59]], i32 5
; CHECK-NEXT: [[TMP82:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP80]], i64 [[TMP81]], i64 0
; CHECK-NEXT: [[TMP83:%.*]] = insertelement <16 x i32*> [[TMP79]], i32* [[TMP82]], i32 5
; CHECK-NEXT: [[TMP84:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 6
; CHECK-NEXT: [[TMP85:%.*]] = extractelement <16 x i64> [[TMP59]], i32 6
; CHECK-NEXT: [[TMP86:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP84]], i64 [[TMP85]], i64 0
; CHECK-NEXT: [[TMP87:%.*]] = insertelement <16 x i32*> [[TMP83]], i32* [[TMP86]], i32 6
; CHECK-NEXT: [[TMP88:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 7
; CHECK-NEXT: [[TMP89:%.*]] = extractelement <16 x i64> [[TMP59]], i32 7
; CHECK-NEXT: [[TMP90:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP88]], i64 [[TMP89]], i64 0
; CHECK-NEXT: [[TMP91:%.*]] = insertelement <16 x i32*> [[TMP87]], i32* [[TMP90]], i32 7
; CHECK-NEXT: [[TMP92:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 8
; CHECK-NEXT: [[TMP93:%.*]] = extractelement <16 x i64> [[TMP59]], i32 8
; CHECK-NEXT: [[TMP94:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP92]], i64 [[TMP93]], i64 0
; CHECK-NEXT: [[TMP95:%.*]] = insertelement <16 x i32*> [[TMP91]], i32* [[TMP94]], i32 8
; CHECK-NEXT: [[TMP96:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 9
; CHECK-NEXT: [[TMP97:%.*]] = extractelement <16 x i64> [[TMP59]], i32 9
; CHECK-NEXT: [[TMP98:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP96]], i64 [[TMP97]], i64 0
; CHECK-NEXT: [[TMP99:%.*]] = insertelement <16 x i32*> [[TMP95]], i32* [[TMP98]], i32 9
; CHECK-NEXT: [[TMP100:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 10
; CHECK-NEXT: [[TMP101:%.*]] = extractelement <16 x i64> [[TMP59]], i32 10
; CHECK-NEXT: [[TMP102:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP100]], i64 [[TMP101]], i64 0
; CHECK-NEXT: [[TMP103:%.*]] = insertelement <16 x i32*> [[TMP99]], i32* [[TMP102]], i32 10
; CHECK-NEXT: [[TMP104:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 11
; CHECK-NEXT: [[TMP105:%.*]] = extractelement <16 x i64> [[TMP59]], i32 11
; CHECK-NEXT: [[TMP106:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP104]], i64 [[TMP105]], i64 0
; CHECK-NEXT: [[TMP107:%.*]] = insertelement <16 x i32*> [[TMP103]], i32* [[TMP106]], i32 11
; CHECK-NEXT: [[TMP108:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 12
; CHECK-NEXT: [[TMP109:%.*]] = extractelement <16 x i64> [[TMP59]], i32 12
; CHECK-NEXT: [[TMP110:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP108]], i64 [[TMP109]], i64 0
; CHECK-NEXT: [[TMP111:%.*]] = insertelement <16 x i32*> [[TMP107]], i32* [[TMP110]], i32 12
; CHECK-NEXT: [[TMP112:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 13
; CHECK-NEXT: [[TMP113:%.*]] = extractelement <16 x i64> [[TMP59]], i32 13
; CHECK-NEXT: [[TMP114:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP112]], i64 [[TMP113]], i64 0
; CHECK-NEXT: [[TMP115:%.*]] = insertelement <16 x i32*> [[TMP111]], i32* [[TMP114]], i32 13
; CHECK-NEXT: [[TMP116:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 14
; CHECK-NEXT: [[TMP117:%.*]] = extractelement <16 x i64> [[TMP59]], i32 14
; CHECK-NEXT: [[TMP118:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP116]], i64 [[TMP117]], i64 0
; CHECK-NEXT: [[TMP119:%.*]] = insertelement <16 x i32*> [[TMP115]], i32* [[TMP118]], i32 14
; CHECK-NEXT: [[TMP120:%.*]] = extractelement <16 x [10 x i32]*> [[TMP58]], i32 15
; CHECK-NEXT: [[TMP121:%.*]] = extractelement <16 x i64> [[TMP59]], i32 15
; CHECK-NEXT: [[TMP122:%.*]] = getelementptr inbounds [10 x i32], [10 x i32]* [[TMP120]], i64 [[TMP121]], i64 0
; CHECK-NEXT: [[TMP123:%.*]] = insertelement <16 x i32*> [[TMP119]], i32* [[TMP122]], i32 15
; CHECK-NEXT: [[VECTORGEP:%.*]] = getelementptr inbounds [10 x i32], <16 x [10 x i32]*> [[TMP58]], <16 x i64> [[TMP59]], i64 0
; CHECK-NEXT: call void @llvm.masked.scatter.v16i32(<16 x i32> <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>, <16 x i32*> [[VECTORGEP]], i32 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>)
; CHECK: [[STEP_ADD:%.*]] = add <16 x i64> [[VEC_IND]], <i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32>
; CHECK: [[STEP_ADD4:%.*]] = add <16 x i64> [[VEC_IND3]], <i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32>
entry:
%0 = load i32, i32* @c, align 4
%cmp34 = icmp sgt i32 %0, 8
br i1 %cmp34, label %for.body.lr.ph, label %for.cond.cleanup
for.body.lr.ph: ; preds = %entry
%1 = load i32, i32* @a, align 4
%tobool = icmp eq i32 %1, 0
%2 = load i64, i64* @b, align 8
%mul = mul i64 %2, 4063299859190
%tobool6 = icmp eq i64 %mul, 0
%3 = sext i32 %0 to i64
br i1 %tobool, label %for.body.us.preheader, label %for.body.preheader
for.body.preheader: ; preds = %for.body.lr.ph
br label %for.body
for.body.us.preheader: ; preds = %for.body.lr.ph
br label %for.body.us
for.body.us: ; preds = %for.body.us.preheader, %for.cond.cleanup4.us-lcssa.us.us
%indvars.iv78 = phi i64 [ %indvars.iv.next79, %for.cond.cleanup4.us-lcssa.us.us ], [ 8, %for.body.us.preheader ]
%indvars.iv70 = phi i64 [ %indvars.iv.next71, %for.cond.cleanup4.us-lcssa.us.us ], [ 0, %for.body.us.preheader ]
%4 = sub nsw i64 8, %indvars.iv78
%add.ptr.us = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 %indvars.iv78
%5 = add nsw i64 %4, %indvars.iv70
%arraydecay.us.us.us = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr.us, i64 %5, i64 0
br i1 %tobool6, label %for.body5.us.us.us.preheader, label %for.body5.us.us48.preheader
for.body5.us.us48.preheader: ; preds = %for.body.us
store i32 8, i32* %arraydecay.us.us.us, align 16
%indvars.iv.next66 = or i64 %indvars.iv70, 1
%6 = add nsw i64 %4, %indvars.iv.next66
%arraydecay.us.us55.1 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr.us, i64 %6, i64 0
store i32 8, i32* %arraydecay.us.us55.1, align 8
br label %for.cond.cleanup4.us-lcssa.us.us
for.body5.us.us.us.preheader: ; preds = %for.body.us
store i32 7, i32* %arraydecay.us.us.us, align 16
%indvars.iv.next73 = or i64 %indvars.iv70, 1
%7 = add nsw i64 %4, %indvars.iv.next73
%arraydecay.us.us.us.1 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr.us, i64 %7, i64 0
store i32 7, i32* %arraydecay.us.us.us.1, align 8
br label %for.cond.cleanup4.us-lcssa.us.us
for.cond.cleanup4.us-lcssa.us.us: ; preds = %for.body5.us.us48.preheader, %for.body5.us.us.us.preheader
%indvars.iv.next79 = add nuw nsw i64 %indvars.iv78, 2
%cmp.us = icmp slt i64 %indvars.iv.next79, %3
%indvars.iv.next71 = add nuw nsw i64 %indvars.iv70, 2
br i1 %cmp.us, label %for.body.us, label %for.cond.cleanup.loopexit
for.cond.cleanup.loopexit: ; preds = %for.cond.cleanup4.us-lcssa.us.us
br label %for.cond.cleanup
for.cond.cleanup.loopexit99: ; preds = %for.body
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit99, %for.cond.cleanup.loopexit, %entry
ret void
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv95 = phi i64 [ %indvars.iv.next96, %for.body ], [ 8, %for.body.preheader ]
%indvars.iv87 = phi i64 [ %indvars.iv.next88, %for.body ], [ 0, %for.body.preheader ]
%8 = sub nsw i64 8, %indvars.iv95
%add.ptr = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 %indvars.iv95
%9 = add nsw i64 %8, %indvars.iv87
%arraydecay.us31 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr, i64 %9, i64 0
store i32 8, i32* %arraydecay.us31, align 16
%indvars.iv.next90 = or i64 %indvars.iv87, 1
%10 = add nsw i64 %8, %indvars.iv.next90
%arraydecay.us31.1 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr, i64 %10, i64 0
store i32 8, i32* %arraydecay.us31.1, align 8
%indvars.iv.next96 = add nuw nsw i64 %indvars.iv95, 2
%cmp = icmp slt i64 %indvars.iv.next96, %3
%indvars.iv.next88 = add nuw nsw i64 %indvars.iv87, 2
br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit99
}
attributes #0 = { norecurse nounwind ssp uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="knl" "target-features"="+adx,+aes,+avx,+avx2,+avx512cd,+avx512er,+avx512f,+avx512pf,+bmi,+bmi2,+cx16,+f16c,+fma,+fsgsbase,+fxsr,+lzcnt,+mmx,+movbe,+pclmul,+popcnt,+prefetchwt1,+rdrnd,+rdseed,+rtm,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsaveopt" "unsafe-fp-math"="false" "use-soft-float"="false" }
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