; LLVM IR from tangjz/acm-icpc :: lydsy/5474.ll (Z7mod_powSt4pairIxxExx)

; 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.std::pair" = type { i64, i64 }

; 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
define dso_local { i64, i64 } @_Z7mod_powSt4pairIxxExx(i64 %0, i64 %1, i64 noundef %2, i64 noundef %3) #1 {
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i64, align 8
  %16 = alloca %"struct.std::pair", align 8
  %17 = getelementptr inbounds { i64, i64 }, ptr %6, i32 0, i32 0
  store i64 %0, ptr %17, align 8
  %18 = getelementptr inbounds { i64, i64 }, ptr %6, i32 0, i32 1
  store i64 %1, ptr %18, align 8
  store i64 %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !5
  %19 = load i64, ptr %7, align 8, !tbaa !5
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %24, label %21

21:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %22 = load i64, ptr %8, align 8, !tbaa !5
  %23 = sub nsw i64 %22, 1
  store i64 %23, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @_ZNSt4pairIxxEC2IxiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %77

24:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %32, %24
  %26 = load i32, ptr %11, align 4, !tbaa !9
  %27 = zext i32 %26 to i64
  %28 = shl i64 2, %27
  %29 = load i64, ptr %7, align 8, !tbaa !5
  %30 = icmp sle i64 %28, %29
  br i1 %30, label %31, label %35

31:                                               ; preds = %25
  br label %32

32:                                               ; preds = %31
  %33 = load i32, ptr %11, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %11, align 4, !tbaa !9
  br label %25, !llvm.loop !11

35:                                               ; preds = %25
  br label %36

36:                                               ; preds = %75, %35
  %37 = load i32, ptr %11, align 4, !tbaa !9
  %38 = add nsw i32 %37, -1
  store i32 %38, ptr %11, align 4, !tbaa !9
  %39 = icmp sge i32 %38, 0
  br i1 %39, label %40, label %76

40:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %13, ptr align 8 %6, i64 16, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %14, ptr align 8 %6, i64 16, i1 false)
  %41 = load i64, ptr %8, align 8, !tbaa !5
  %42 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 0
  %43 = load i64, ptr %42, align 8
  %44 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 1
  %45 = load i64, ptr %44, align 8
  %46 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 0
  %47 = load i64, ptr %46, align 8
  %48 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 1
  %49 = load i64, ptr %48, align 8
  %50 = call { i64, i64 } @_Z7mod_mulSt4pairIxxES0_x(i64 %43, i64 %45, i64 %47, i64 %49, i64 noundef %41)
  %51 = getelementptr inbounds { i64, i64 }, ptr %12, i32 0, i32 0
  %52 = extractvalue { i64, i64 } %50, 0
  store i64 %52, ptr %51, align 8
  %53 = getelementptr inbounds { i64, i64 }, ptr %12, i32 0, i32 1
  %54 = extractvalue { i64, i64 } %50, 1
  store i64 %54, ptr %53, align 8
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(16) %12) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #5
  %56 = load i64, ptr %7, align 8, !tbaa !5
  %57 = load i32, ptr %11, align 4, !tbaa !9
  %58 = zext i32 %57 to i64
  %59 = ashr i64 %56, %58
  %60 = and i64 %59, 1
  %61 = icmp ne i64 %60, 0
  br i1 %61, label %62, label %75

62:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %63 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 1
  %64 = load i64, ptr %63, align 8, !tbaa !13
  %65 = mul nsw i64 3, %64
  %66 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 0
  %67 = load i64, ptr %66, align 8, !tbaa !15
  %68 = sub nsw i64 %65, %67
  %69 = load i64, ptr %8, align 8, !tbaa !5
  %70 = add nsw i64 %68, %69
  %71 = load i64, ptr %8, align 8, !tbaa !5
  %72 = srem i64 %70, %71
  store i64 %72, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #5
  %73 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 1
  call void @_ZNSt4pairIxxEC2IRxS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 8 dereferenceable(8) %73, ptr noundef nonnull align 8 dereferenceable(8) %15)
  %74 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(16) %16) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %75

75:                                               ; preds = %62, %40
  br label %36, !llvm.loop !16

76:                                               ; preds = %36
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %6, i64 16, i1 false)
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %77

77:                                               ; preds = %76, %21
  %78 = load { i64, i64 }, ptr %5, align 8
  ret { i64, i64 } %78
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IxiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { i64, i64 } @_Z7mod_mulSt4pairIxxES0_x(i64, i64, i64, i64, i64 noundef) #3

; 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) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IRxS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

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 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !12}


; 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.std::pair" = type { i64, i64 }

; 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
define dso_local { i64, i64 } @_Z7mod_powSt4pairIxxExx(i64 %0, i64 %1, i64 noundef %2, i64 noundef %3) local_unnamed_addr #1 {
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca i64, align 8
  %11 = alloca %"struct.std::pair", align 8
  store i64 %0, ptr %6, align 8
  %12 = getelementptr inbounds i8, ptr %6, i64 8
  store i64 %1, ptr %12, align 8
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %13, label %.preheader17

13:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %14 = add nsw i64 %3, -1
  store i64 %14, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #5
  store i32 0, ptr %8, align 4, !tbaa !9
  call void @_ZNSt4pairIxxEC2IxiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %35

.preheader17:                                     ; preds = %4, %.preheader17
  %indvars.iv = phi i64 [ %indvars.iv.next, %.preheader17 ], [ 0, %4 ]
  %15 = shl i64 2, %indvars.iv
  %.not15 = icmp sgt i64 %15, %2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  br i1 %.not15, label %.preheader, label %.preheader17, !llvm.loop !11

.preheader:                                       ; preds = %.preheader17
  %.not18 = icmp eq i64 %indvars.iv, 0
  br i1 %.not18, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %16 = getelementptr inbounds i8, ptr %9, i64 8
  br label %17

17:                                               ; preds = %.lr.ph, %33
  %indvars.iv20 = phi i64 [ %indvars.iv, %.lr.ph ], [ %indvars.iv.next21, %33 ]
  %indvars.iv.next21 = add nsw i64 %indvars.iv20, -1
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #5
  %.sroa.01.0.copyload = load i64, ptr %6, align 8
  %.sroa.22.0.copyload = load i64, ptr %12, align 8
  %18 = call { i64, i64 } @_Z7mod_mulSt4pairIxxES0_x(i64 %.sroa.01.0.copyload, i64 %.sroa.22.0.copyload, i64 %.sroa.01.0.copyload, i64 %.sroa.22.0.copyload, i64 noundef %3)
  %19 = extractvalue { i64, i64 } %18, 0
  store i64 %19, ptr %9, align 8
  %20 = extractvalue { i64, i64 } %18, 1
  store i64 %20, ptr %16, align 8
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(16) %9) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #5
  %22 = and i64 %indvars.iv.next21, 4294967295
  %23 = shl nuw i64 1, %22
  %24 = and i64 %23, %2
  %.not16 = icmp eq i64 %24, 0
  br i1 %.not16, label %33, label %25

25:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #5
  %26 = load i64, ptr %12, align 8, !tbaa !13
  %27 = mul nsw i64 %26, 3
  %28 = load i64, ptr %6, align 8, !tbaa !15
  %29 = sub i64 %3, %28
  %30 = add i64 %29, %27
  %31 = srem i64 %30, %3
  store i64 %31, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %11) #5
  call void @_ZNSt4pairIxxEC2IRxS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %10)
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(16) %11) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  br label %33

33:                                               ; preds = %25, %17
  %34 = icmp sgt i64 %indvars.iv20, 1
  br i1 %34, label %17, label %._crit_edge, !llvm.loop !16

._crit_edge:                                      ; preds = %33, %.preheader
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(16) %6, i64 16, i1 false)
  br label %35

35:                                               ; preds = %._crit_edge, %13
  %.fca.0.load = load i64, ptr %5, align 8
  %.fca.0.insert = insertvalue { i64, i64 } poison, i64 %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %5, i64 8
  %.fca.1.load = load i64, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { i64, i64 } %.fca.0.insert, i64 %.fca.1.load, 1
  ret { i64, i64 } %.fca.1.insert
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IxiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { i64, i64 } @_Z7mod_mulSt4pairIxxES0_x(i64, i64, i64, i64, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress 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) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IRxS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

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 = { 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !12}


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