; LLVM IR from MinaFaried3/Assiut-University-Training---Newcomers :: c-sheet2_Loops/W-Shape3.ll (Z9solution2v)

; 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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9solution2v() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #4
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %43, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = icmp sle i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %46

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sub nsw i32 %16, %17
  store i32 %18, ptr %4, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %25, %15
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = icmp sge i32 %20, 1
  br i1 %21, label %23, label %22

22:                                               ; preds = %19
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %28

23:                                               ; preds = %19
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %25

25:                                               ; preds = %23
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %4, align 4, !tbaa !5
  br label %19, !llvm.loop !9

28:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %38, %28
  %30 = load i32, ptr %5, align 4, !tbaa !5
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = mul nsw i32 %31, 2
  %33 = sub nsw i32 %32, 1
  %34 = icmp sle i32 %30, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %29
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %41

36:                                               ; preds = %29
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  br label %38

38:                                               ; preds = %36
  %39 = load i32, ptr %5, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %5, align 4, !tbaa !5
  br label %29, !llvm.loop !11

41:                                               ; preds = %35
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %43

43:                                               ; preds = %41
  %44 = load i32, ptr %2, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %2, align 4, !tbaa !5
  br label %10, !llvm.loop !12

46:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %47 = load i32, ptr %1, align 4, !tbaa !5
  store i32 %47, ptr %6, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %80, %46
  %49 = load i32, ptr %6, align 4, !tbaa !5
  %50 = icmp sge i32 %49, 1
  br i1 %50, label %52, label %51

51:                                               ; preds = %48
  store i32 11, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %83

52:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %53 = load i32, ptr %1, align 4, !tbaa !5
  %54 = load i32, ptr %6, align 4, !tbaa !5
  %55 = sub nsw i32 %53, %54
  store i32 %55, ptr %7, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %62, %52
  %57 = load i32, ptr %7, align 4, !tbaa !5
  %58 = icmp sge i32 %57, 1
  br i1 %58, label %60, label %59

59:                                               ; preds = %56
  store i32 14, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %65

60:                                               ; preds = %56
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %62

62:                                               ; preds = %60
  %63 = load i32, ptr %7, align 4, !tbaa !5
  %64 = add nsw i32 %63, -1
  store i32 %64, ptr %7, align 4, !tbaa !5
  br label %56, !llvm.loop !13

65:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %66

66:                                               ; preds = %75, %65
  %67 = load i32, ptr %8, align 4, !tbaa !5
  %68 = load i32, ptr %6, align 4, !tbaa !5
  %69 = mul nsw i32 %68, 2
  %70 = sub nsw i32 %69, 1
  %71 = icmp sle i32 %67, %70
  br i1 %71, label %73, label %72

72:                                               ; preds = %66
  store i32 17, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %78

73:                                               ; preds = %66
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  br label %75

75:                                               ; preds = %73
  %76 = load i32, ptr %8, align 4, !tbaa !5
  %77 = add nsw i32 %76, 1
  store i32 %77, ptr %8, align 4, !tbaa !5
  br label %66, !llvm.loop !14

78:                                               ; preds = %72
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %80

80:                                               ; preds = %78
  %81 = load i32, ptr %6, align 4, !tbaa !5
  %82 = add nsw i32 %81, -1
  store i32 %82, ptr %6, align 4, !tbaa !5
  br label %48, !llvm.loop !15

83:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { inlinehint 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 #3 = { 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 #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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; 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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9solution2v() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %2 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %.not30 = icmp slt i32 %3, 1
  br i1 %.not30, label %._crit_edge43, label %.lr.ph33

.preheader24:                                     ; preds = %._crit_edge
  %4 = icmp sgt i32 %14, 0
  br i1 %4, label %.lr.ph42.preheader, label %._crit_edge43

.lr.ph42.preheader:                               ; preds = %.preheader24
  %5 = shl nuw i32 %14, 1
  br label %.lr.ph42

.lr.ph33:                                         ; preds = %0, %._crit_edge
  %indvars.iv = phi i32 [ %indvars.iv.next, %._crit_edge ], [ 2, %0 ]
  %6 = phi i32 [ %14, %._crit_edge ], [ %3, %0 ]
  %.02031 = phi i32 [ %13, %._crit_edge ], [ 1, %0 ]
  %7 = sub nsw i32 %6, %.02031
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph, label %.lr.ph29.preheader

.lr.ph29.preheader:                               ; preds = %.lr.ph, %.lr.ph33
  br label %.lr.ph29

.lr.ph:                                           ; preds = %.lr.ph33, %.lr.ph
  %.01926 = phi i32 [ %10, %.lr.ph ], [ %7, %.lr.ph33 ]
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %10 = add nsw i32 %.01926, -1
  %11 = icmp ugt i32 %.01926, 1
  br i1 %11, label %.lr.ph, label %.lr.ph29.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph29
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %13 = add nuw nsw i32 %.02031, 1
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.02031, %14
  %indvars.iv.next = add i32 %indvars.iv, 2
  br i1 %.not.not, label %.lr.ph33, label %.preheader24, !llvm.loop !11

.lr.ph29:                                         ; preds = %.lr.ph29.preheader, %.lr.ph29
  %.01828 = phi i32 [ %16, %.lr.ph29 ], [ 1, %.lr.ph29.preheader ]
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %16 = add nuw i32 %.01828, 1
  %exitcond.not = icmp eq i32 %16, %indvars.iv
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph29, !llvm.loop !12

._crit_edge43:                                    ; preds = %._crit_edge40, %0, %.preheader24
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret void

.lr.ph42:                                         ; preds = %.lr.ph42.preheader, %._crit_edge40
  %indvars.iv45 = phi i32 [ %5, %.lr.ph42.preheader ], [ %indvars.iv.next46, %._crit_edge40 ]
  %.01741 = phi i32 [ %14, %.lr.ph42.preheader ], [ %24, %._crit_edge40 ]
  %umax = call i32 @llvm.umax.i32(i32 %indvars.iv45, i32 2)
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = sub nsw i32 %17, %.01741
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph36, label %.lr.ph39.preheader

.lr.ph39.preheader:                               ; preds = %.lr.ph36, %.lr.ph42
  br label %.lr.ph39

.lr.ph36:                                         ; preds = %.lr.ph42, %.lr.ph36
  %.01634 = phi i32 [ %21, %.lr.ph36 ], [ %18, %.lr.ph42 ]
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %21 = add nsw i32 %.01634, -1
  %22 = icmp ugt i32 %.01634, 1
  br i1 %22, label %.lr.ph36, label %.lr.ph39.preheader, !llvm.loop !13

._crit_edge40:                                    ; preds = %.lr.ph39
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %24 = add nsw i32 %.01741, -1
  %25 = icmp sgt i32 %.01741, 1
  %indvars.iv.next46 = add i32 %indvars.iv45, -2
  br i1 %25, label %.lr.ph42, label %._crit_edge43, !llvm.loop !14

.lr.ph39:                                         ; preds = %.lr.ph39.preheader, %.lr.ph39
  %.038 = phi i32 [ %27, %.lr.ph39 ], [ 1, %.lr.ph39.preheader ]
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %27 = add nuw i32 %.038, 1
  %exitcond47.not = icmp eq i32 %27, %umax
  br i1 %exitcond47.not, label %._crit_edge40, label %.lr.ph39, !llvm.loop !15
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umax.i32(i32, i32) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { inlinehint 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 #3 = { 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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimplifyCFGPass