; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt < %s -O3 -S                                        | FileCheck %s
; RUN: opt < %s -passes="default<O3>" -S | FileCheck %s

; Test that IR is optimal after vectorization/unrolling/CSE/canonicalization.
; In particular, there should be no fdivs inside loops because that is expensive.

; TODO: There is a CSE opportunity to reduce the hoisted fdivs after vectorization/unrolling.
; PR46115 - https://llvm.org/PR46115

target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.15.0"

define void @vdiv(ptr %x, ptr %y, double %a, i32 %N) #0 {
; CHECK-LABEL: define void @vdiv(
; CHECK-SAME: ptr writeonly captures(none) [[X:%.*]], ptr readonly captures(none) [[Y:%.*]], double [[A:%.*]], i32 [[N:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[N]], 0
; CHECK-NEXT:    br i1 [[CMP1]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    [[X4:%.*]] = ptrtoaddr ptr [[X]] to i64
; CHECK-NEXT:    [[Y5:%.*]] = ptrtoaddr ptr [[Y]] to i64
; CHECK-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext nneg i32 [[N]] to i64
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
; CHECK-NEXT:    [[TMP0:%.*]] = sub i64 [[X4]], [[Y5]]
; CHECK-NEXT:    [[DIFF_CHECK:%.*]] = icmp ult i64 [[TMP0]], 128
; CHECK-NEXT:    [[OR_COND:%.*]] = select i1 [[MIN_ITERS_CHECK]], i1 true, i1 [[DIFF_CHECK]]
; CHECK-NEXT:    br i1 [[OR_COND]], label %[[FOR_BODY_PREHEADER9:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[MIN_ITERS_CHECK6:%.*]] = icmp ult i32 [[N]], 16
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK6]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH1:.*]]
; CHECK:       [[VECTOR_PH1]]:
; CHECK-NEXT:    [[N_VEC_REMAINING:%.*]] = and i64 [[WIDE_TRIP_COUNT]], 12
; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[WIDE_TRIP_COUNT]], 2147483632
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x double> poison, double [[A]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x double> [[BROADCAST_SPLATINSERT]], <4 x double> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP1:%.*]] = fdiv fast <4 x double> splat (double 1.000000e+00), [[BROADCAST_SPLAT]]
; CHECK-NEXT:    [[TMP2:%.*]] = fdiv fast <4 x double> splat (double 1.000000e+00), [[BROADCAST_SPLAT]]
; CHECK-NEXT:    [[TMP3:%.*]] = fdiv fast <4 x double> splat (double 1.000000e+00), [[BROADCAST_SPLAT]]
; CHECK-NEXT:    [[TMP4:%.*]] = fdiv fast <4 x double> splat (double 1.000000e+00), [[BROADCAST_SPLAT]]
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH1]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDEX]]
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP5]], i64 32
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP5]], i64 64
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP5]], i64 96
; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <4 x double>, ptr [[TMP5]], align 8, !tbaa [[DOUBLE_TBAA3:![0-9]+]]
; CHECK-NEXT:    [[WIDE_LOAD6:%.*]] = load <4 x double>, ptr [[TMP6]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[WIDE_LOAD7:%.*]] = load <4 x double>, ptr [[TMP7]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[WIDE_LOAD8:%.*]] = load <4 x double>, ptr [[TMP8]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP9:%.*]] = fmul fast <4 x double> [[WIDE_LOAD]], [[TMP1]]
; CHECK-NEXT:    [[TMP10:%.*]] = fmul fast <4 x double> [[WIDE_LOAD6]], [[TMP2]]
; CHECK-NEXT:    [[TMP11:%.*]] = fmul fast <4 x double> [[WIDE_LOAD7]], [[TMP3]]
; CHECK-NEXT:    [[TMP12:%.*]] = fmul fast <4 x double> [[WIDE_LOAD8]], [[TMP4]]
; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDEX]]
; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP13]], i64 32
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP13]], i64 64
; CHECK-NEXT:    [[TMP16:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP13]], i64 96
; CHECK-NEXT:    store <4 x double> [[TMP9]], ptr [[TMP13]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    store <4 x double> [[TMP10]], ptr [[TMP14]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    store <4 x double> [[TMP11]], ptr [[TMP15]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    store <4 x double> [[TMP12]], ptr [[TMP16]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP17]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    br i1 [[CMP_N]], label %[[FOR_END]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0
; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[FOR_BODY_PREHEADER9]], label %[[VEC_EPILOG_PH]], !prof [[PROF10:![0-9]+]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_PH]] ]
; CHECK-NEXT:    [[N_VEC11:%.*]] = and i64 [[WIDE_TRIP_COUNT]], 2147483644
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <4 x double> poison, double [[A]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT15:%.*]] = shufflevector <4 x double> [[BROADCAST_SPLATINSERT14]], <4 x double> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP38:%.*]] = fdiv fast <4 x double> splat (double 1.000000e+00), [[BROADCAST_SPLAT15]]
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX12:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT16:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP39:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDEX12]]
; CHECK-NEXT:    [[WIDE_LOAD13:%.*]] = load <4 x double>, ptr [[TMP39]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP40:%.*]] = fmul fast <4 x double> [[WIDE_LOAD13]], [[TMP38]]
; CHECK-NEXT:    [[TMP41:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDEX12]]
; CHECK-NEXT:    store <4 x double> [[TMP40]], ptr [[TMP41]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDEX_NEXT16]] = add nuw i64 [[INDEX12]], 4
; CHECK-NEXT:    [[TMP42:%.*]] = icmp eq i64 [[INDEX_NEXT16]], [[N_VEC11]]
; CHECK-NEXT:    br i1 [[TMP42]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N17:%.*]] = icmp eq i64 [[N_VEC11]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    br i1 [[CMP_N17]], label %[[FOR_END]], label %[[FOR_BODY_PREHEADER9]]
; CHECK:       [[FOR_BODY_PREHEADER9]]:
; CHECK-NEXT:    [[INDVARS_IV_PH:%.*]] = phi i64 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ [[N_VEC11]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ]
; CHECK-NEXT:    [[TMP43:%.*]] = sub nsw i64 [[WIDE_TRIP_COUNT]], [[INDVARS_IV_PH]]
; CHECK-NEXT:    [[XTRAITER:%.*]] = and i64 [[TMP43]], 7
; CHECK-NEXT:    [[LCMP_MOD_NOT:%.*]] = icmp eq i64 [[XTRAITER]], 0
; CHECK-NEXT:    br i1 [[LCMP_MOD_NOT]], label %[[FOR_BODY_PROL_LOOPEXIT:.*]], label %[[FOR_BODY_PROL_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PROL_PREHEADER]]:
; CHECK-NEXT:    [[TMP18:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    br label %[[FOR_BODY_PROL:.*]]
; CHECK:       [[FOR_BODY_PROL]]:
; CHECK-NEXT:    [[INDVARS_IV_PROL:%.*]] = phi i64 [ [[INDVARS_IV_NEXT_PROL:%.*]], %[[FOR_BODY_PROL]] ], [ [[INDVARS_IV_PH]], %[[FOR_BODY_PROL_PREHEADER]] ]
; CHECK-NEXT:    [[PROL_ITER:%.*]] = phi i64 [ [[PROL_ITER_NEXT:%.*]], %[[FOR_BODY_PROL]] ], [ 0, %[[FOR_BODY_PROL_PREHEADER]] ]
; CHECK-NEXT:    [[ARRAYIDX_PROL:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_PROL]]
; CHECK-NEXT:    [[T0_PROL:%.*]] = load double, ptr [[ARRAYIDX_PROL]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP19:%.*]] = fmul fast double [[T0_PROL]], [[TMP18]]
; CHECK-NEXT:    [[ARRAYIDX2_PROL:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_PROL]]
; CHECK-NEXT:    store double [[TMP19]], ptr [[ARRAYIDX2_PROL]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_PROL]] = add nuw nsw i64 [[INDVARS_IV_PROL]], 1
; CHECK-NEXT:    [[PROL_ITER_NEXT]] = add i64 [[PROL_ITER]], 1
; CHECK-NEXT:    [[PROL_ITER_CMP_NOT:%.*]] = icmp eq i64 [[PROL_ITER_NEXT]], [[XTRAITER]]
; CHECK-NEXT:    br i1 [[PROL_ITER_CMP_NOT]], label %[[FOR_BODY_PROL_LOOPEXIT]], label %[[FOR_BODY_PROL]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK:       [[FOR_BODY_PROL_LOOPEXIT]]:
; CHECK-NEXT:    [[INDVARS_IV_UNR:%.*]] = phi i64 [ [[INDVARS_IV_PH]], %[[FOR_BODY_PREHEADER9]] ], [ [[INDVARS_IV_NEXT_PROL]], %[[FOR_BODY_PROL]] ]
; CHECK-NEXT:    [[TMP20:%.*]] = sub nsw i64 [[INDVARS_IV_PH]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    [[TMP21:%.*]] = icmp ugt i64 [[TMP20]], -8
; CHECK-NEXT:    br i1 [[TMP21]], label %[[FOR_END]], label %[[FOR_BODY_PREHEADER9_NEW:.*]]
; CHECK:       [[FOR_BODY_PREHEADER9_NEW]]:
; CHECK-NEXT:    [[TMP22:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP23:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP24:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP25:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP26:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP27:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP28:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    [[TMP29:%.*]] = fdiv fast double 1.000000e+00, [[A]]
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_UNR]], %[[FOR_BODY_PREHEADER9_NEW]] ], [ [[INDVARS_IV_NEXT_7:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    [[T0:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP30:%.*]] = fmul fast double [[T0]], [[TMP22]]
; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    store double [[TMP30]], ptr [[ARRAYIDX2]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CHECK-NEXT:    [[ARRAYIDX_1:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT]]
; CHECK-NEXT:    [[T0_1:%.*]] = load double, ptr [[ARRAYIDX_1]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP31:%.*]] = fmul fast double [[T0_1]], [[TMP23]]
; CHECK-NEXT:    [[ARRAYIDX2_1:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT]]
; CHECK-NEXT:    store double [[TMP31]], ptr [[ARRAYIDX2_1]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_1:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 2
; CHECK-NEXT:    [[ARRAYIDX_2:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT_1]]
; CHECK-NEXT:    [[T0_2:%.*]] = load double, ptr [[ARRAYIDX_2]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP32:%.*]] = fmul fast double [[T0_2]], [[TMP24]]
; CHECK-NEXT:    [[ARRAYIDX2_2:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT_1]]
; CHECK-NEXT:    store double [[TMP32]], ptr [[ARRAYIDX2_2]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_2:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 3
; CHECK-NEXT:    [[ARRAYIDX_3:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT_2]]
; CHECK-NEXT:    [[T0_3:%.*]] = load double, ptr [[ARRAYIDX_3]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP33:%.*]] = fmul fast double [[T0_3]], [[TMP25]]
; CHECK-NEXT:    [[ARRAYIDX2_3:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT_2]]
; CHECK-NEXT:    store double [[TMP33]], ptr [[ARRAYIDX2_3]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_3:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 4
; CHECK-NEXT:    [[ARRAYIDX_4:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT_3]]
; CHECK-NEXT:    [[T0_4:%.*]] = load double, ptr [[ARRAYIDX_4]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP34:%.*]] = fmul fast double [[T0_4]], [[TMP26]]
; CHECK-NEXT:    [[ARRAYIDX2_4:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT_3]]
; CHECK-NEXT:    store double [[TMP34]], ptr [[ARRAYIDX2_4]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_4:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 5
; CHECK-NEXT:    [[ARRAYIDX_5:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT_4]]
; CHECK-NEXT:    [[T0_5:%.*]] = load double, ptr [[ARRAYIDX_5]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP35:%.*]] = fmul fast double [[T0_5]], [[TMP27]]
; CHECK-NEXT:    [[ARRAYIDX2_5:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT_4]]
; CHECK-NEXT:    store double [[TMP35]], ptr [[ARRAYIDX2_5]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_5:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 6
; CHECK-NEXT:    [[ARRAYIDX_6:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT_5]]
; CHECK-NEXT:    [[T0_6:%.*]] = load double, ptr [[ARRAYIDX_6]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP36:%.*]] = fmul fast double [[T0_6]], [[TMP28]]
; CHECK-NEXT:    [[ARRAYIDX2_6:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT_5]]
; CHECK-NEXT:    store double [[TMP36]], ptr [[ARRAYIDX2_6]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_6:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 7
; CHECK-NEXT:    [[ARRAYIDX_7:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[Y]], i64 [[INDVARS_IV_NEXT_6]]
; CHECK-NEXT:    [[T0_7:%.*]] = load double, ptr [[ARRAYIDX_7]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[TMP37:%.*]] = fmul fast double [[T0_7]], [[TMP29]]
; CHECK-NEXT:    [[ARRAYIDX2_7:%.*]] = getelementptr inbounds nuw [8 x i8], ptr [[X]], i64 [[INDVARS_IV_NEXT_6]]
; CHECK-NEXT:    store double [[TMP37]], ptr [[ARRAYIDX2_7]], align 8, !tbaa [[DOUBLE_TBAA3]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT_7]] = add nuw nsw i64 [[INDVARS_IV]], 8
; CHECK-NEXT:    [[EXITCOND_NOT_7:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT_7]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    br i1 [[EXITCOND_NOT_7]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
; CHECK:       [[FOR_END]]:
; CHECK-NEXT:    ret void
;
entry:
  %div = fdiv fast double 1.0, %a
  br label %for.cond

for.cond:
  %n.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
  %cmp = icmp slt i32 %n.0, %N
  br i1 %cmp, label %for.body, label %for.cond.cleanup

for.cond.cleanup:
  br label %for.end

for.body:
  %idxprom = sext i32 %n.0 to i64
  %arrayidx = getelementptr inbounds double, ptr %y, i64 %idxprom
  %t0 = load double, ptr %arrayidx, align 8, !tbaa !3
  %mul = fmul fast double %t0, %div
  %idxprom1 = sext i32 %n.0 to i64
  %arrayidx2 = getelementptr inbounds double, ptr %x, i64 %idxprom1
  store double %mul, ptr %arrayidx2, align 8, !tbaa !3
  br label %for.inc

for.inc:
  %inc = add nsw i32 %n.0, 1
  br label %for.cond

for.end:
  ret void
}

attributes #0 = { nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-jump-tables"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="skylake-avx512" "target-features"="+adx,+aes,+avx,+avx2,+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl,+bmi,+bmi2,+clflushopt,+clwb,+cx16,+cx8,+f16c,+fma,+fsgsbase,+fxsr,+invpcid,+lzcnt,+mmx,+movbe,+pclmul,+pku,+popcnt,+prfchw,+rdrnd,+rdseed,+sahf,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsavec,+xsaveopt,+xsaves" "use-soft-float"="false" }

!llvm.module.flags = !{!0, !1}
!llvm.ident = !{!2}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 7, !"PIC Level", i32 2}
!2 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 45ebe38ffc40bb7221fc587bfb4481cf7f53ebbc)"}
!3 = !{!4, !4, i64 0}
!4 = !{!"double", !5, i64 0}
!5 = !{!"omnipotent char", !6, i64 0}
!6 = !{!"Simple C/C++ TBAA"}

;.
; CHECK: [[DOUBLE_TBAA3]] = !{[[META4:![0-9]+]], [[META4]], i64 0}
; CHECK: [[META4]] = !{!"double", [[META5:![0-9]+]], i64 0}
; CHECK: [[META5]] = !{!"omnipotent char", [[META6:![0-9]+]], i64 0}
; CHECK: [[META6]] = !{!"Simple C/C++ TBAA"}
; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META8:![0-9]+]], [[META9:![0-9]+]]}
; CHECK: [[META8]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK: [[META9]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK: [[PROF10]] = !{!"branch_weights", i32 4, i32 12}
; CHECK: [[LOOP11]] = distinct !{[[LOOP11]], [[META8]], [[META9]]}
; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META13:![0-9]+]]}
; CHECK: [[META13]] = !{!"llvm.loop.unroll.disable"}
; CHECK: [[LOOP14]] = distinct !{[[LOOP14]], [[META8]]}
;.