; LLVM IR from upupming/algorithm :: AdvancedLevel_C++/1079. Total Sales of Supply Chain (25)  (main)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.node = type { double, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@v = external dso_local global %"class.std::vector", align 8
@ans = external dso_local global double, align 8
@p = external dso_local global double, align 8
@r = external dso_local global double, align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef @p, ptr noundef @r)
  %9 = load double, ptr @r, align 8, !tbaa !5
  %10 = fdiv double %9, 1.000000e+02
  store double %10, ptr @r, align 8, !tbaa !5
  %11 = load i32, ptr %2, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  call void @_ZNSt6vectorI4nodeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %12)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %45, %0
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = load i32, ptr %2, align 4, !tbaa !9
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %48

18:                                               ; preds = %13
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3)
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = icmp eq i32 %20, 0
  br i1 %21, label %22, label %28

22:                                               ; preds = %18
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %24) #5
  %26 = getelementptr inbounds %struct.node, ptr %25, i32 0, i32 0
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %26)
  br label %44

28:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %40, %28
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = load i32, ptr %3, align 4, !tbaa !9
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %43

34:                                               ; preds = %29
  %35 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %4)
  %36 = load i32, ptr %5, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %37) #5
  %39 = getelementptr inbounds %struct.node, ptr %38, i32 0, i32 1
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %39, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %40

40:                                               ; preds = %34
  %41 = load i32, ptr %7, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %7, align 4, !tbaa !9
  br label %29, !llvm.loop !11

43:                                               ; preds = %33
  br label %44

44:                                               ; preds = %43, %22
  br label %45

45:                                               ; preds = %44
  %46 = load i32, ptr %5, align 4, !tbaa !9
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %5, align 4, !tbaa !9
  br label %13, !llvm.loop !13

48:                                               ; preds = %17
  call void @_Z3dfsii(i32 noundef 0, i32 noundef 0)
  %49 = load double, ptr @ans, align 8, !tbaa !5
  %50 = load double, ptr @p, align 8, !tbaa !5
  %51 = fmul double %49, %50
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, double noundef %51)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %53 = load i32, ptr %1, align 4
  ret i32 %53
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @printf(ptr noundef, ...) #4

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 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse 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 = { "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 = !{!"double", !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 = distinct !{!13, !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"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl" = type { %"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<node, std::allocator<node>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@v = external dso_local global %"class.std::vector", align 8
@ans = external dso_local local_unnamed_addr global double, align 8
@p = external dso_local global double, align 8
@r = external dso_local global double, align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull @p, ptr noundef nonnull @r)
  %5 = load double, ptr @r, align 8, !tbaa !5
  %6 = fdiv double %5, 1.000000e+02
  store double %6, ptr @r, align 8, !tbaa !5
  %7 = load i32, ptr %1, align 4, !tbaa !9
  %8 = sext i32 %7 to i64
  call void @_ZNSt6vectorI4nodeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %8)
  %9 = load i32, ptr %1, align 4, !tbaa !9
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph11, label %._crit_edge

._crit_edge:                                      ; preds = %.loopexit, %0
  call void @_Z3dfsii(i32 noundef 0, i32 noundef 0)
  %11 = load double, ptr @ans, align 8, !tbaa !5
  %12 = load double, ptr @p, align 8, !tbaa !5
  %13 = fmul double %11, %12
  %14 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, double noundef %13)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0

.lr.ph11:                                         ; preds = %0, %.loopexit
  %indvars.iv = phi i64 [ %indvars.iv.next, %.loopexit ], [ 0, %0 ]
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2)
  %16 = load i32, ptr %2, align 4, !tbaa !9
  %17 = icmp eq i32 %16, 0
  br i1 %17, label %19, label %.preheader

.preheader:                                       ; preds = %.lr.ph11
  %18 = icmp sgt i32 %16, 0
  br i1 %18, label %.lr.ph, label %.loopexit

19:                                               ; preds = %.lr.ph11
  %20 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #5
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %20)
  br label %.loopexit

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.08 = phi i32 [ %25, %.lr.ph ], [ 0, %.preheader ]
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %23 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorI4nodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #5
  %24 = getelementptr inbounds i8, ptr %23, i64 8
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %25 = add nuw nsw i32 %.08, 1
  %26 = load i32, ptr %2, align 4, !tbaa !9
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %.lr.ph, label %.loopexit, !llvm.loop !11

.loopexit:                                        ; preds = %.lr.ph, %.preheader, %19
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %28 = load i32, ptr %1, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = icmp slt i64 %indvars.iv.next, %29
  br i1 %30, label %.lr.ph11, label %._crit_edge, !llvm.loop !13
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4nodeSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

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 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse 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 = { nofree nounwind "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 = !{!"double", !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 = distinct !{!13, !12}


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