; LLVM IR from bbenligiray/stag :: src/Ellipse.ll (Z5AperBPPdS0_S0_iiii)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z5AperBPPdS0_S0_iiii(ptr noundef %0, ptr noundef %1, ptr noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5, i32 noundef %6) #2 {
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store ptr %1, ptr %9, align 8, !tbaa !5
  store ptr %2, ptr %10, align 8, !tbaa !5
  store i32 %3, ptr %11, align 4, !tbaa !9
  store i32 %4, ptr %12, align 4, !tbaa !9
  store i32 %5, ptr %13, align 4, !tbaa !9
  store i32 %6, ptr %14, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #3
  store i32 1, ptr %15, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %85, %7
  %19 = load i32, ptr %15, align 4, !tbaa !9
  %20 = load i32, ptr %11, align 4, !tbaa !9
  %21 = icmp sle i32 %19, %20
  br i1 %21, label %22, label %88

22:                                               ; preds = %18
  store i32 1, ptr %16, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %81, %22
  %24 = load i32, ptr %16, align 4, !tbaa !9
  %25 = load i32, ptr %14, align 4, !tbaa !9
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %27, label %84

27:                                               ; preds = %23
  %28 = load ptr, ptr %10, align 8, !tbaa !5
  %29 = load i32, ptr %15, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds ptr, ptr %28, i64 %30
  %32 = load ptr, ptr %31, align 8, !tbaa !5
  %33 = load i32, ptr %16, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds double, ptr %32, i64 %34
  store double 0.000000e+00, ptr %35, align 8, !tbaa !11
  store i32 1, ptr %17, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %77, %27
  %37 = load i32, ptr %17, align 4, !tbaa !9
  %38 = load i32, ptr %12, align 4, !tbaa !9
  %39 = icmp sle i32 %37, %38
  br i1 %39, label %40, label %80

40:                                               ; preds = %36
  %41 = load ptr, ptr %10, align 8, !tbaa !5
  %42 = load i32, ptr %15, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds ptr, ptr %41, i64 %43
  %45 = load ptr, ptr %44, align 8, !tbaa !5
  %46 = load i32, ptr %16, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds double, ptr %45, i64 %47
  %49 = load double, ptr %48, align 8, !tbaa !11
  %50 = load ptr, ptr %8, align 8, !tbaa !5
  %51 = load i32, ptr %15, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds ptr, ptr %50, i64 %52
  %54 = load ptr, ptr %53, align 8, !tbaa !5
  %55 = load i32, ptr %17, align 4, !tbaa !9
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds double, ptr %54, i64 %56
  %58 = load double, ptr %57, align 8, !tbaa !11
  %59 = load ptr, ptr %9, align 8, !tbaa !5
  %60 = load i32, ptr %17, align 4, !tbaa !9
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds ptr, ptr %59, i64 %61
  %63 = load ptr, ptr %62, align 8, !tbaa !5
  %64 = load i32, ptr %16, align 4, !tbaa !9
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds double, ptr %63, i64 %65
  %67 = load double, ptr %66, align 8, !tbaa !11
  %68 = call double @llvm.fmuladd.f64(double %58, double %67, double %49)
  %69 = load ptr, ptr %10, align 8, !tbaa !5
  %70 = load i32, ptr %15, align 4, !tbaa !9
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds ptr, ptr %69, i64 %71
  %73 = load ptr, ptr %72, align 8, !tbaa !5
  %74 = load i32, ptr %16, align 4, !tbaa !9
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds double, ptr %73, i64 %75
  store double %68, ptr %76, align 8, !tbaa !11
  br label %77

77:                                               ; preds = %40
  %78 = load i32, ptr %17, align 4, !tbaa !9
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %17, align 4, !tbaa !9
  br label %36, !llvm.loop !13

80:                                               ; preds = %36
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %16, align 4, !tbaa !9
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %16, align 4, !tbaa !9
  br label %23, !llvm.loop !15

84:                                               ; preds = %23
  br label %85

85:                                               ; preds = %84
  %86 = load i32, ptr %15, align 4, !tbaa !9
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %15, align 4, !tbaa !9
  br label %18, !llvm.loop !16

88:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @_Z5AperBPPdS0_S0_iiii(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2, i32 noundef %3, i32 noundef %4, i32 noundef %5, i32 noundef %6) local_unnamed_addr #1 {
  %.not33 = icmp slt i32 %3, 1
  %.not2529 = icmp slt i32 %6, 1
  %or.cond = or i1 %.not33, %.not2529
  br i1 %or.cond, label %._crit_edge35, label %.preheader.lr.ph.split

.preheader.lr.ph.split:                           ; preds = %7
  %.not2627 = icmp slt i32 %4, 1
  %8 = add nuw i32 %3, 1
  %wide.trip.count58 = zext i32 %8 to i64
  br i1 %.not2627, label %.preheader.us36.preheader, label %.preheader.preheader

.preheader.preheader:                             ; preds = %.preheader.lr.ph.split
  %9 = add nuw i32 %6, 1
  %wide.trip.count45 = zext i32 %9 to i64
  %10 = zext nneg i32 %4 to i64
  %xtraiter = and i64 %10, 1
  %11 = icmp eq i32 %4, 1
  %unroll_iter = and i64 %10, 2147483646
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br label %.preheader

.preheader.us36.preheader:                        ; preds = %.preheader.lr.ph.split
  %12 = zext nneg i32 %6 to i64
  %13 = shl nuw nsw i64 %12, 3
  %14 = zext nneg i32 %3 to i64
  %15 = add nsw i64 %wide.trip.count58, -2
  %xtraiter63 = and i64 %14, 7
  %16 = icmp ult i64 %15, 7
  br i1 %16, label %._crit_edge35.loopexit.unr-lcssa, label %.preheader.us36.preheader.new

.preheader.us36.preheader.new:                    ; preds = %.preheader.us36.preheader
  %unroll_iter65 = and i64 %14, 2147483640
  %invariant.gep = getelementptr inbounds i8, ptr %2, i64 8
  %invariant.gep67 = getelementptr inbounds i8, ptr %2, i64 16
  %invariant.gep69 = getelementptr inbounds i8, ptr %2, i64 24
  %invariant.gep71 = getelementptr inbounds i8, ptr %2, i64 32
  %invariant.gep73 = getelementptr inbounds i8, ptr %2, i64 40
  %invariant.gep75 = getelementptr inbounds i8, ptr %2, i64 48
  %invariant.gep77 = getelementptr inbounds i8, ptr %2, i64 56
  br label %.preheader.us36

.preheader.us36:                                  ; preds = %.preheader.us36, %.preheader.us36.preheader.new
  %indvars.iv55 = phi i64 [ 1, %.preheader.us36.preheader.new ], [ %indvars.iv.next56.7, %.preheader.us36 ]
  %niter66 = phi i64 [ 0, %.preheader.us36.preheader.new ], [ %niter66.next.7, %.preheader.us36 ]
  %17 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv55
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %scevgep = getelementptr i8, ptr %18, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep, i8 0, i64 %13, i1 false), !tbaa !9
  %gep = getelementptr inbounds ptr, ptr %invariant.gep, i64 %indvars.iv55
  %19 = load ptr, ptr %gep, align 8, !tbaa !5
  %scevgep.1 = getelementptr i8, ptr %19, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.1, i8 0, i64 %13, i1 false), !tbaa !9
  %gep68 = getelementptr inbounds ptr, ptr %invariant.gep67, i64 %indvars.iv55
  %20 = load ptr, ptr %gep68, align 8, !tbaa !5
  %scevgep.2 = getelementptr i8, ptr %20, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.2, i8 0, i64 %13, i1 false), !tbaa !9
  %gep70 = getelementptr inbounds ptr, ptr %invariant.gep69, i64 %indvars.iv55
  %21 = load ptr, ptr %gep70, align 8, !tbaa !5
  %scevgep.3 = getelementptr i8, ptr %21, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.3, i8 0, i64 %13, i1 false), !tbaa !9
  %gep72 = getelementptr inbounds ptr, ptr %invariant.gep71, i64 %indvars.iv55
  %22 = load ptr, ptr %gep72, align 8, !tbaa !5
  %scevgep.4 = getelementptr i8, ptr %22, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.4, i8 0, i64 %13, i1 false), !tbaa !9
  %gep74 = getelementptr inbounds ptr, ptr %invariant.gep73, i64 %indvars.iv55
  %23 = load ptr, ptr %gep74, align 8, !tbaa !5
  %scevgep.5 = getelementptr i8, ptr %23, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.5, i8 0, i64 %13, i1 false), !tbaa !9
  %gep76 = getelementptr inbounds ptr, ptr %invariant.gep75, i64 %indvars.iv55
  %24 = load ptr, ptr %gep76, align 8, !tbaa !5
  %scevgep.6 = getelementptr i8, ptr %24, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.6, i8 0, i64 %13, i1 false), !tbaa !9
  %gep78 = getelementptr inbounds ptr, ptr %invariant.gep77, i64 %indvars.iv55
  %25 = load ptr, ptr %gep78, align 8, !tbaa !5
  %scevgep.7 = getelementptr i8, ptr %25, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.7, i8 0, i64 %13, i1 false), !tbaa !9
  %indvars.iv.next56.7 = add nuw nsw i64 %indvars.iv55, 8
  %niter66.next.7 = add i64 %niter66, 8
  %niter66.ncmp.7 = icmp eq i64 %niter66.next.7, %unroll_iter65
  br i1 %niter66.ncmp.7, label %._crit_edge35.loopexit.unr-lcssa, label %.preheader.us36, !llvm.loop !11

.preheader:                                       ; preds = %.preheader.preheader, %._crit_edge32.split
  %indvars.iv47 = phi i64 [ 1, %.preheader.preheader ], [ %indvars.iv.next48, %._crit_edge32.split ]
  %26 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv47
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = getelementptr inbounds ptr, ptr %0, i64 %indvars.iv47
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  br label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %._crit_edge
  %indvars.iv42 = phi i64 [ 1, %.preheader ], [ %indvars.iv.next43, %._crit_edge ]
  %30 = getelementptr inbounds double, ptr %27, i64 %indvars.iv42
  store double 0.000000e+00, ptr %30, align 8, !tbaa !9
  br i1 %11, label %._crit_edge.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph, %.lr.ph.new
  %indvars.iv = phi i64 [ %indvars.iv.next.1, %.lr.ph.new ], [ 1, %.lr.ph ]
  %31 = phi double [ %45, %.lr.ph.new ], [ 0.000000e+00, %.lr.ph ]
  %niter = phi i64 [ %niter.next.1, %.lr.ph.new ], [ 0, %.lr.ph ]
  %32 = getelementptr inbounds double, ptr %29, i64 %indvars.iv
  %33 = load double, ptr %32, align 8, !tbaa !9
  %34 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv
  %35 = load ptr, ptr %34, align 8, !tbaa !5
  %36 = getelementptr inbounds double, ptr %35, i64 %indvars.iv42
  %37 = load double, ptr %36, align 8, !tbaa !9
  %38 = tail call double @llvm.fmuladd.f64(double %33, double %37, double %31)
  store double %38, ptr %30, align 8, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %39 = getelementptr inbounds double, ptr %29, i64 %indvars.iv.next
  %40 = load double, ptr %39, align 8, !tbaa !9
  %41 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv.next
  %42 = load ptr, ptr %41, align 8, !tbaa !5
  %43 = getelementptr inbounds double, ptr %42, i64 %indvars.iv42
  %44 = load double, ptr %43, align 8, !tbaa !9
  %45 = tail call double @llvm.fmuladd.f64(double %40, double %44, double %38)
  store double %45, ptr %30, align 8, !tbaa !9
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.unr-lcssa, label %.lr.ph.new, !llvm.loop !13

._crit_edge.unr-lcssa:                            ; preds = %.lr.ph.new, %.lr.ph
  %indvars.iv.unr = phi i64 [ 1, %.lr.ph ], [ %indvars.iv.next.1, %.lr.ph.new ]
  %.unr = phi double [ 0.000000e+00, %.lr.ph ], [ %45, %.lr.ph.new ]
  br i1 %lcmp.mod.not, label %._crit_edge, label %._crit_edge.epilog-lcssa

._crit_edge.epilog-lcssa:                         ; preds = %._crit_edge.unr-lcssa
  %46 = getelementptr inbounds double, ptr %29, i64 %indvars.iv.unr
  %47 = load double, ptr %46, align 8, !tbaa !9
  %48 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv.unr
  %49 = load ptr, ptr %48, align 8, !tbaa !5
  %50 = getelementptr inbounds double, ptr %49, i64 %indvars.iv42
  %51 = load double, ptr %50, align 8, !tbaa !9
  %52 = tail call double @llvm.fmuladd.f64(double %47, double %51, double %.unr)
  store double %52, ptr %30, align 8, !tbaa !9
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.unr-lcssa, %._crit_edge.epilog-lcssa
  %indvars.iv.next43 = add nuw nsw i64 %indvars.iv42, 1
  %exitcond46.not = icmp eq i64 %indvars.iv.next43, %wide.trip.count45
  br i1 %exitcond46.not, label %._crit_edge32.split, label %.lr.ph, !llvm.loop !14

._crit_edge32.split:                              ; preds = %._crit_edge
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1
  %exitcond51.not = icmp eq i64 %indvars.iv.next48, %wide.trip.count58
  br i1 %exitcond51.not, label %._crit_edge35, label %.preheader, !llvm.loop !11

._crit_edge35.loopexit.unr-lcssa:                 ; preds = %.preheader.us36, %.preheader.us36.preheader
  %indvars.iv55.unr = phi i64 [ 1, %.preheader.us36.preheader ], [ %indvars.iv.next56.7, %.preheader.us36 ]
  %lcmp.mod64.not = icmp eq i64 %xtraiter63, 0
  br i1 %lcmp.mod64.not, label %._crit_edge35, label %.preheader.us36.epil

.preheader.us36.epil:                             ; preds = %._crit_edge35.loopexit.unr-lcssa, %.preheader.us36.epil
  %indvars.iv55.epil = phi i64 [ %indvars.iv.next56.epil, %.preheader.us36.epil ], [ %indvars.iv55.unr, %._crit_edge35.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.preheader.us36.epil ], [ 0, %._crit_edge35.loopexit.unr-lcssa ]
  %53 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv55.epil
  %54 = load ptr, ptr %53, align 8, !tbaa !5
  %scevgep.epil = getelementptr i8, ptr %54, i64 8
  tail call void @llvm.memset.p0.i64(ptr align 8 %scevgep.epil, i8 0, i64 %13, i1 false), !tbaa !9
  %indvars.iv.next56.epil = add nuw nsw i64 %indvars.iv55.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter63
  br i1 %epil.iter.cmp.not, label %._crit_edge35, label %.preheader.us36.epil, !llvm.loop !15

._crit_edge35:                                    ; preds = %._crit_edge32.split, %._crit_edge35.loopexit.unr-lcssa, %.preheader.us36.epil, %7
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.unroll.disable"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopIdiomRecognizePass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass