; LLVM IR from tangjz/acm-icpc :: 51nod/1129.ll (Z4calcii)

; 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"

%struct.Node = type { i32, i32 }

@__const._Z4calcii.tmp = external hidden unnamed_addr constant %struct.Node, align 4

; 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: mustprogress uwtable
declare dso_local i64 @_Z8mod_facti(i32 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i64 @_ZNK4NodeplERKS_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z4calcii(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %struct.Node, align 4
  %6 = alloca %struct.Node, align 4
  %7 = alloca %struct.Node, align 4
  %8 = alloca %struct.Node, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %struct.Node, align 4
  %13 = alloca %struct.Node, align 4
  %14 = alloca %struct.Node, align 4
  %15 = alloca %struct.Node, align 4
  %16 = alloca %struct.Node, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = sdiv i32 %17, %18
  %20 = call i64 @_Z8mod_facti(i32 noundef %19)
  store i64 %20, ptr %6, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = sub nsw i32 %21, 1
  %23 = call i64 @_Z8mod_facti(i32 noundef %22)
  store i64 %23, ptr %7, align 4
  %24 = call i64 @_ZNK4NodemiERKS_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(8) %7)
  store i64 %24, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %25 = call i64 @_ZNK4NodemlERKi(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store i64 %25, ptr %8, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %8, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 1, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = sdiv i32 %26, %27
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = add nsw i32 %28, %29
  store i32 %30, ptr %11, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %79, %2
  %32 = load i32, ptr %9, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %82

36:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 @__const._Z4calcii.tmp, i64 8, i1 false)
  %37 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %37, ptr %10, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %43, %36
  %39 = load i32, ptr %10, align 4, !tbaa !5
  %40 = srem i32 %39, 10007
  %41 = icmp eq i32 %40, 0
  br i1 %41, label %42, label %49

42:                                               ; preds = %38
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %10, align 4, !tbaa !5
  %45 = sdiv i32 %44, 10007
  store i32 %45, ptr %10, align 4, !tbaa !5
  %46 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 1
  %47 = load i32, ptr %46, align 4, !tbaa !10
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %46, align 4, !tbaa !10
  br label %38, !llvm.loop !12

49:                                               ; preds = %38
  %50 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 0
  %51 = load i32, ptr %50, align 4, !tbaa !14
  %52 = load i32, ptr %10, align 4, !tbaa !5
  %53 = mul nsw i32 %51, %52
  %54 = srem i32 %53, 10007
  %55 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 0
  store i32 %54, ptr %55, align 4, !tbaa !14
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = sub nsw i32 %56, %57
  store i32 %58, ptr %10, align 4, !tbaa !5
  br label %59

59:                                               ; preds = %64, %49
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = srem i32 %60, 10007
  %62 = icmp eq i32 %61, 0
  br i1 %62, label %63, label %70

63:                                               ; preds = %59
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %10, align 4, !tbaa !5
  %66 = sdiv i32 %65, 10007
  store i32 %66, ptr %10, align 4, !tbaa !5
  %67 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 1
  %68 = load i32, ptr %67, align 4, !tbaa !10
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %67, align 4, !tbaa !10
  br label %59, !llvm.loop !15

70:                                               ; preds = %59
  %71 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 0
  %72 = load i32, ptr %71, align 4, !tbaa !14
  %73 = load i32, ptr %10, align 4, !tbaa !5
  %74 = mul nsw i32 %72, %73
  %75 = srem i32 %74, 10007
  %76 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 0
  store i32 %75, ptr %76, align 4, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %77 = call i64 @_ZNK4NodemlERKi(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 4 dereferenceable(4) %9)
  store i64 %77, ptr %14, align 4
  %78 = call i64 @_ZNK4NodeplERKS_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %14)
  store i64 %78, ptr %13, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %13, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %79

79:                                               ; preds = %70
  %80 = load i32, ptr %9, align 4, !tbaa !5
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %9, align 4, !tbaa !5
  br label %31, !llvm.loop !16

82:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %83 = load i32, ptr %3, align 4, !tbaa !5
  %84 = call i64 @_Z8mod_facti(i32 noundef %83)
  store i64 %84, ptr %16, align 4
  %85 = call i64 @_ZNK4NodemiERKS_(ptr noundef nonnull align 4 dereferenceable(8) %16, ptr noundef nonnull align 4 dereferenceable(8) %5)
  store i64 %85, ptr %15, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %15, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  %86 = getelementptr inbounds %struct.Node, ptr %5, i32 0, i32 1
  %87 = load i32, ptr %86, align 4, !tbaa !10
  %88 = icmp ne i32 %87, 0
  br i1 %88, label %89, label %90

89:                                               ; preds = %82
  br label %93

90:                                               ; preds = %82
  %91 = getelementptr inbounds %struct.Node, ptr %5, i32 0, i32 0
  %92 = load i32, ptr %91, align 4, !tbaa !14
  br label %93

93:                                               ; preds = %90, %89
  %94 = phi i32 [ 0, %89 ], [ %92, %90 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret i32 %94
}

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4NodemiERKS_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i64 @_ZNK4NodemlERKi(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 4, !5, i64 4, i64 4, !5}
!10 = !{!11, !6, i64 4}
!11 = !{!"_ZTS4Node", !6, i64 0, !6, i64 4}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!11, !6, i64 0}
!15 = distinct !{!15, !13}
!16 = distinct !{!16, !13}


; 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"

%struct.Node = type { i32, i32 }

@__const._Z4calcii.tmp = external hidden unnamed_addr constant %struct.Node, align 4

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

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_Z8mod_facti(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i64 @_ZNK4NodeplERKS_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z4calcii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca i32, align 4
  %4 = alloca %struct.Node, align 8
  %5 = alloca %struct.Node, align 8
  %6 = alloca %struct.Node, align 8
  %7 = alloca i32, align 4
  %8 = alloca %struct.Node, align 8
  %9 = alloca %struct.Node, align 8
  %10 = alloca %struct.Node, align 8
  store i32 %1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %11 = sdiv i32 %0, %1
  %12 = tail call i64 @_Z8mod_facti(i32 noundef %11)
  store i64 %12, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %13 = add nsw i32 %1, -1
  %14 = tail call i64 @_Z8mod_facti(i32 noundef %13)
  store i64 %14, ptr %6, align 8
  %15 = call i64 @_ZNK4NodemiERKS_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
  store i64 %15, ptr %4, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %16 = call i64 @_ZNK4NodemlERKi(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
  store i64 %16, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  store i32 1, ptr %7, align 4, !tbaa !5
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = sdiv i32 %0, %17
  %19 = add nsw i32 %18, %17
  %20 = icmp sgt i32 %17, 1
  br i1 %20, label %.lr.ph21, label %._crit_edge22

.lr.ph21:                                         ; preds = %2
  %21 = load i64, ptr @__const._Z4calcii.tmp, align 4
  %22 = getelementptr inbounds i8, ptr %8, i64 4
  %23 = lshr i64 %21, 32
  %24 = trunc nuw i64 %23 to i32
  %25 = trunc i64 %21 to i32
  br label %30

._crit_edge22:                                    ; preds = %50, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %26 = call i64 @_Z8mod_facti(i32 noundef %0)
  store i64 %26, ptr %10, align 8
  %27 = call i64 @_ZNK4NodemiERKS_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  %28 = call i64 @llvm.umin.i64(i64 %27, i64 4294967296)
  %29 = trunc i64 %28 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret i32 %29

30:                                               ; preds = %.lr.ph21, %50
  %31 = phi i32 [ 1, %.lr.ph21 ], [ %56, %50 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  store i64 %21, ptr %8, align 8
  %32 = srem i32 %31, 10007
  %33 = icmp eq i32 %32, 0
  br i1 %33, label %.lr.ph, label %39

.lr.ph:                                           ; preds = %30, %.lr.ph
  %34 = phi i32 [ %36, %.lr.ph ], [ %24, %30 ]
  %.012 = phi i32 [ %35, %.lr.ph ], [ %31, %30 ]
  %35 = sdiv i32 %.012, 10007
  %36 = add nsw i32 %34, 1
  %37 = srem i32 %35, 10007
  %38 = icmp eq i32 %37, 0
  br i1 %38, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph
  store i32 %36, ptr %22, align 4, !tbaa !11
  br label %39

39:                                               ; preds = %._crit_edge, %30
  %.promoted18 = phi i32 [ %36, %._crit_edge ], [ %24, %30 ]
  %.0.lcssa = phi i32 [ %35, %._crit_edge ], [ %31, %30 ]
  %40 = mul nsw i32 %.0.lcssa, %25
  %41 = srem i32 %40, 10007
  %42 = sub i32 %19, %31
  %43 = srem i32 %42, 10007
  %44 = icmp eq i32 %43, 0
  br i1 %44, label %.lr.ph15, label %50

.lr.ph15:                                         ; preds = %39, %.lr.ph15
  %45 = phi i32 [ %47, %.lr.ph15 ], [ %.promoted18, %39 ]
  %.113 = phi i32 [ %46, %.lr.ph15 ], [ %42, %39 ]
  %46 = sdiv i32 %.113, 10007
  %47 = add nsw i32 %45, 1
  %48 = srem i32 %46, 10007
  %49 = icmp eq i32 %48, 0
  br i1 %49, label %.lr.ph15, label %._crit_edge16, !llvm.loop !13

._crit_edge16:                                    ; preds = %.lr.ph15
  store i32 %47, ptr %22, align 4, !tbaa !11
  br label %50

50:                                               ; preds = %._crit_edge16, %39
  %.1.lcssa = phi i32 [ %46, %._crit_edge16 ], [ %42, %39 ]
  %51 = mul nsw i32 %.1.lcssa, %41
  %52 = srem i32 %51, 10007
  store i32 %52, ptr %8, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %53 = call i64 @_ZNK4NodemlERKi(ptr noundef nonnull align 4 dereferenceable(8) %8, ptr noundef nonnull align 4 dereferenceable(4) %7)
  store i64 %53, ptr %9, align 8
  %54 = call i64 @_ZNK4NodeplERKS_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %9)
  store i64 %54, ptr %4, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %7, align 4, !tbaa !5
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = icmp slt i32 %56, %57
  br i1 %58, label %30, label %._crit_edge22, !llvm.loop !15
}

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4NodemiERKS_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i64 @_ZNK4NodemlERKi(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.umin.i64(i64, i64) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 4}
!12 = !{!"_ZTS4Node", !6, i64 0, !6, i64 4}
!13 = distinct !{!13, !10}
!14 = !{!12, !6, i64 0}
!15 = distinct !{!15, !10}


; Effective O3 passes: BDCEPass,DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass