; LLVM IR from Algo-Phantoms/Algo-Tree :: Code/C++ (longest_common_substring)

; 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: mustprogress uwtable
define dso_local noundef i32 @_Z19LongestCommonSubstrNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_ii(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %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
  %18 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !9
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = icmp eq i32 %19, 0
  br i1 %20, label %24, label %21

21:                                               ; preds = %4
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %21, %4
  store i32 0, ptr %5, align 4
  br label %129

25:                                               ; preds = %21
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  %28 = zext i32 %27 to i64
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  %31 = zext i32 %30 to i64
  %32 = call ptr @llvm.stacksave.p0()
  store ptr %32, ptr %10, align 8
  %33 = mul nuw i64 %28, %31
  %34 = alloca i32, i64 %33, align 16
  store i64 %28, ptr %11, align 8
  store i64 %31, ptr %12, align 8
  %35 = mul nuw i64 %28, %31
  %36 = mul nuw i64 4, %35
  call void @llvm.memset.p0.i64(ptr align 16 %34, i8 0, i64 %36, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 1, ptr %13, align 4, !tbaa !9
  br label %37

37:                                               ; preds = %94, %25
  %38 = load i32, ptr %13, align 4, !tbaa !9
  %39 = load i32, ptr %8, align 4, !tbaa !9
  %40 = icmp sle i32 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %37
  store i32 2, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %97

42:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 1, ptr %15, align 4, !tbaa !9
  br label %43

43:                                               ; preds = %90, %42
  %44 = load i32, ptr %15, align 4, !tbaa !9
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = icmp sle i32 %44, %45
  br i1 %46, label %48, label %47

47:                                               ; preds = %43
  store i32 5, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %93

48:                                               ; preds = %43
  %49 = load i32, ptr %13, align 4, !tbaa !9
  %50 = sub nsw i32 %49, 1
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %51)
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = sext i8 %53 to i32
  %55 = load i32, ptr %15, align 4, !tbaa !9
  %56 = sub nsw i32 %55, 1
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %57)
  %59 = load i8, ptr %58, align 1, !tbaa !11
  %60 = sext i8 %59 to i32
  %61 = icmp eq i32 %54, %60
  br i1 %61, label %62, label %81

62:                                               ; preds = %48
  %63 = load i32, ptr %13, align 4, !tbaa !9
  %64 = sub nsw i32 %63, 1
  %65 = sext i32 %64 to i64
  %66 = mul nsw i64 %65, %31
  %67 = getelementptr inbounds i32, ptr %34, i64 %66
  %68 = load i32, ptr %15, align 4, !tbaa !9
  %69 = sub nsw i32 %68, 1
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds i32, ptr %67, i64 %70
  %72 = load i32, ptr %71, align 4, !tbaa !9
  %73 = add nsw i32 1, %72
  %74 = load i32, ptr %13, align 4, !tbaa !9
  %75 = sext i32 %74 to i64
  %76 = mul nsw i64 %75, %31
  %77 = getelementptr inbounds i32, ptr %34, i64 %76
  %78 = load i32, ptr %15, align 4, !tbaa !9
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds i32, ptr %77, i64 %79
  store i32 %73, ptr %80, align 4, !tbaa !9
  br label %89

81:                                               ; preds = %48
  %82 = load i32, ptr %13, align 4, !tbaa !9
  %83 = sext i32 %82 to i64
  %84 = mul nsw i64 %83, %31
  %85 = getelementptr inbounds i32, ptr %34, i64 %84
  %86 = load i32, ptr %15, align 4, !tbaa !9
  %87 = sext i32 %86 to i64
  %88 = getelementptr inbounds i32, ptr %85, i64 %87
  store i32 0, ptr %88, align 4, !tbaa !9
  br label %89

89:                                               ; preds = %81, %62
  br label %90

90:                                               ; preds = %89
  %91 = load i32, ptr %15, align 4, !tbaa !9
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr %15, align 4, !tbaa !9
  br label %43, !llvm.loop !12

93:                                               ; preds = %47
  br label %94

94:                                               ; preds = %93
  %95 = load i32, ptr %13, align 4, !tbaa !9
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %13, align 4, !tbaa !9
  br label %37, !llvm.loop !14

97:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  store i32 -2147483648, ptr %16, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !9
  br label %98

98:                                               ; preds = %123, %97
  %99 = load i32, ptr %17, align 4, !tbaa !9
  %100 = load i32, ptr %8, align 4, !tbaa !9
  %101 = icmp sle i32 %99, %100
  br i1 %101, label %103, label %102

102:                                              ; preds = %98
  store i32 8, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %126

103:                                              ; preds = %98
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  store i32 0, ptr %18, align 4, !tbaa !9
  br label %104

104:                                              ; preds = %119, %103
  %105 = load i32, ptr %18, align 4, !tbaa !9
  %106 = load i32, ptr %9, align 4, !tbaa !9
  %107 = icmp sle i32 %105, %106
  br i1 %107, label %109, label %108

108:                                              ; preds = %104
  store i32 11, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %122

109:                                              ; preds = %104
  %110 = load i32, ptr %17, align 4, !tbaa !9
  %111 = sext i32 %110 to i64
  %112 = mul nsw i64 %111, %31
  %113 = getelementptr inbounds i32, ptr %34, i64 %112
  %114 = load i32, ptr %18, align 4, !tbaa !9
  %115 = sext i32 %114 to i64
  %116 = getelementptr inbounds i32, ptr %113, i64 %115
  %117 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %116)
  %118 = load i32, ptr %117, align 4, !tbaa !9
  store i32 %118, ptr %16, align 4, !tbaa !9
  br label %119

119:                                              ; preds = %109
  %120 = load i32, ptr %18, align 4, !tbaa !9
  %121 = add nsw i32 %120, 1
  store i32 %121, ptr %18, align 4, !tbaa !9
  br label %104, !llvm.loop !15

122:                                              ; preds = %108
  br label %123

123:                                              ; preds = %122
  %124 = load i32, ptr %17, align 4, !tbaa !9
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %17, align 4, !tbaa !9
  br label %98, !llvm.loop !16

126:                                              ; preds = %102
  %127 = load i32, ptr %16, align 4, !tbaa !9
  store i32 %127, ptr %5, align 4
  store i32 1, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  %128 = load ptr, ptr %10, align 8
  call void @llvm.stackrestore.p0(ptr %128)
  br label %129

129:                                              ; preds = %126, %24
  %130 = load i32, ptr %5, align 4
  ret i32 %130
}

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { inlinehint 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 #6 = { 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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z19LongestCommonSubstrNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_ii(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = alloca i32, align 4
  %6 = icmp eq i32 %2, 0
  %7 = icmp eq i32 %3, 0
  %or.cond = or i1 %6, %7
  br i1 %or.cond, label %42, label %8

8:                                                ; preds = %4
  %9 = add i32 %2, 1
  %10 = zext i32 %9 to i64
  %11 = add i32 %3, 1
  %12 = zext i32 %11 to i64
  %13 = tail call ptr @llvm.stacksave.p0()
  %14 = mul nuw i64 %12, %10
  %15 = alloca i32, i64 %14, align 16
  %16 = shl nuw i64 %14, 2
  call void @llvm.memset.p0.i64(ptr nonnull align 16 %15, i8 0, i64 %16, i1 false)
  %.not40 = icmp slt i32 %2, 1
  br i1 %.not40, label %._crit_edge42.thread, label %.preheader37.lr.ph

._crit_edge42.thread:                             ; preds = %8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  br label %._crit_edge48

.preheader37.lr.ph:                               ; preds = %8
  %.not3638 = icmp slt i32 %3, 1
  br i1 %.not3638, label %.preheader.lr.ph.thread, label %.preheader37

.preheader.lr.ph.thread:                          ; preds = %.preheader37.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  br label %._crit_edge48

.preheader37:                                     ; preds = %.preheader37.lr.ph, %._crit_edge
  %indvars.iv52 = phi i64 [ %indvars.iv.next53, %._crit_edge ], [ 1, %.preheader37.lr.ph ]
  %17 = add nsw i64 %indvars.iv52, -1
  %18 = mul nuw nsw i64 %indvars.iv52, %12
  %19 = getelementptr inbounds i32, ptr %15, i64 %18
  %20 = mul nuw nsw i64 %17, %12
  %21 = getelementptr inbounds i32, ptr %15, i64 %20
  br label %22

._crit_edge42:                                    ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  store i32 -2147483648, ptr %5, align 4, !tbaa !5
  br label %.preheader

._crit_edge:                                      ; preds = %33
  %indvars.iv.next53 = add nuw nsw i64 %indvars.iv52, 1
  %exitcond56.not = icmp eq i64 %indvars.iv.next53, %10
  br i1 %exitcond56.not, label %._crit_edge42, label %.preheader37, !llvm.loop !9

22:                                               ; preds = %.preheader37, %33
  %indvars.iv = phi i64 [ 1, %.preheader37 ], [ %indvars.iv.next, %33 ]
  %23 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %17)
  %24 = load i8, ptr %23, align 1, !tbaa !11
  %25 = add nsw i64 %indvars.iv, -1
  %26 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %25)
  %27 = load i8, ptr %26, align 1, !tbaa !11
  %28 = icmp eq i8 %24, %27
  br i1 %28, label %29, label %33

29:                                               ; preds = %22
  %30 = getelementptr inbounds i32, ptr %21, i64 %25
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  br label %33

33:                                               ; preds = %22, %29
  %.sink = phi i32 [ %32, %29 ], [ 0, %22 ]
  %34 = getelementptr inbounds i32, ptr %19, i64 %indvars.iv
  store i32 %.sink, ptr %34, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %12
  br i1 %exitcond.not, label %._crit_edge, label %22, !llvm.loop !12

.preheader:                                       ; preds = %._crit_edge42, %._crit_edge45
  %indvars.iv62 = phi i64 [ %indvars.iv.next63, %._crit_edge45 ], [ 0, %._crit_edge42 ]
  %35 = mul nuw nsw i64 %indvars.iv62, %12
  %36 = getelementptr inbounds i32, ptr %15, i64 %35
  br label %38

._crit_edge48:                                    ; preds = %._crit_edge45, %.preheader.lr.ph.thread, %._crit_edge42.thread
  %37 = phi i32 [ -2147483648, %._crit_edge42.thread ], [ -2147483648, %.preheader.lr.ph.thread ], [ %41, %._crit_edge45 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.stackrestore.p0(ptr %13)
  br label %42

._crit_edge45:                                    ; preds = %38
  %indvars.iv.next63 = add nuw nsw i64 %indvars.iv62, 1
  %exitcond66.not = icmp eq i64 %indvars.iv.next63, %10
  br i1 %exitcond66.not, label %._crit_edge48, label %.preheader, !llvm.loop !13

38:                                               ; preds = %.preheader, %38
  %indvars.iv57 = phi i64 [ 0, %.preheader ], [ %indvars.iv.next58, %38 ]
  %39 = getelementptr inbounds i32, ptr %36, i64 %indvars.iv57
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %39)
  %41 = load i32, ptr %40, align 4, !tbaa !5
  store i32 %41, ptr %5, align 4, !tbaa !5
  %indvars.iv.next58 = add nuw nsw i64 %indvars.iv57, 1
  %exitcond61.not = icmp eq i64 %indvars.iv.next58, %12
  br i1 %exitcond61.not, label %._crit_edge45, label %38, !llvm.loop !14

42:                                               ; preds = %4, %._crit_edge48
  %.031 = phi i32 [ %37, %._crit_edge48 ], [ 0, %4 ]
  ret i32 %.031
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #1

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #1

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint 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 #5 = { 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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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