; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Company Contests/Morgan Stanley/Morgan Stanley 2015/Problem C (C)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@p = external dso_local global [200100 x i32], align 16
@rnk = external dso_local global [200100 x i32], align 16
@tot = external dso_local global [200100 x i32], align 16
@memo = external dso_local global %"class.std::map", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z4findi(i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5mergeii(i32 noundef %0, i32 noundef %1) #0 {
  %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
  %9 = alloca i32, align 4
  %10 = alloca i32, 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 4, ptr %5) #2
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = call noundef i32 @_Z4findi(i32 noundef %11)
  store i32 %12, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = call noundef i32 @_Z4findi(i32 noundef %13)
  store i32 %14, ptr %6, align 4, !tbaa !5
  %15 = load i32, ptr %5, align 4, !tbaa !5
  %16 = load i32, ptr %6, align 4, !tbaa !5
  %17 = icmp eq i32 %15, %16
  br i1 %17, label %18, label %19

18:                                               ; preds = %2
  store i32 1, ptr %7, align 4
  br label %109

19:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !5
  store i32 %23, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  store i32 %27, ptr %9, align 4, !tbaa !5
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = add nsw i32 %29, -1
  store i32 %30, ptr %28, align 4, !tbaa !5
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = add nsw i32 %32, -1
  store i32 %33, ptr %31, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %34 = load i32, ptr %8, align 4, !tbaa !5
  %35 = load i32, ptr %9, align 4, !tbaa !5
  %36 = add nsw i32 %34, %35
  store i32 %36, ptr %10, align 4, !tbaa !5
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %37, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = icmp eq i32 %41, 0
  br i1 %42, label %43, label %45

43:                                               ; preds = %19
  %44 = call noundef i64 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5eraseERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %8)
  br label %45

45:                                               ; preds = %43, %19
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = icmp eq i32 %47, 0
  br i1 %48, label %49, label %51

49:                                               ; preds = %45
  %50 = call noundef i64 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5eraseERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %9)
  br label %51

51:                                               ; preds = %49, %45
  %52 = load i32, ptr %5, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %53
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = icmp sgt i32 %55, %59
  br i1 %60, label %61, label %75

61:                                               ; preds = %51
  %62 = load i32, ptr %5, align 4, !tbaa !5
  %63 = load i32, ptr %6, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds [200100 x i32], ptr @p, i64 0, i64 %64
  store i32 %62, ptr %65, align 4, !tbaa !5
  %66 = load i32, ptr %6, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %67
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = load i32, ptr %5, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = add nsw i32 %73, %69
  store i32 %74, ptr %72, align 4, !tbaa !5
  br label %89

75:                                               ; preds = %51
  %76 = load i32, ptr %6, align 4, !tbaa !5
  %77 = load i32, ptr %5, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [200100 x i32], ptr @p, i64 0, i64 %78
  store i32 %76, ptr %79, align 4, !tbaa !5
  %80 = load i32, ptr %5, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %81
  %83 = load i32, ptr %82, align 4, !tbaa !5
  %84 = load i32, ptr %6, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %85
  %87 = load i32, ptr %86, align 4, !tbaa !5
  %88 = add nsw i32 %87, %83
  store i32 %88, ptr %86, align 4, !tbaa !5
  br label %89

89:                                               ; preds = %75, %61
  %90 = load i32, ptr %5, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %91
  %93 = load i32, ptr %92, align 4, !tbaa !5
  %94 = load i32, ptr %6, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %95
  %97 = load i32, ptr %96, align 4, !tbaa !5
  %98 = icmp eq i32 %93, %97
  br i1 %98, label %99, label %108

99:                                               ; preds = %89
  %100 = load i32, ptr %6, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %101
  %103 = load i32, ptr %102, align 4, !tbaa !5
  %104 = add nsw i32 %103, 1
  %105 = load i32, ptr %6, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  %107 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %106
  store i32 %104, ptr %107, align 4, !tbaa !5
  br label %108

108:                                              ; preds = %99, %89
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %109

109:                                              ; preds = %108, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5eraseERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

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 memory(argmem: readwrite) }
attributes #2 = { 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"}


; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@p = external dso_local local_unnamed_addr global [200100 x i32], align 16
@rnk = external dso_local local_unnamed_addr global [200100 x i32], align 16
@tot = external dso_local local_unnamed_addr global [200100 x i32], align 16
@memo = external dso_local global %"class.std::map", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z4findi(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5mergeii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = tail call noundef i32 @_Z4findi(i32 noundef %0)
  %7 = tail call noundef i32 @_Z4findi(i32 noundef %1)
  %8 = icmp eq i32 %6, %7
  br i1 %8, label %53, label %9

9:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #2
  %10 = sext i32 %6 to i64
  %11 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %10
  %12 = load i32, ptr %11, align 4, !tbaa !5
  store i32 %12, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #2
  %13 = sext i32 %7 to i64
  %14 = getelementptr inbounds [200100 x i32], ptr @tot, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %15, ptr %4, align 4, !tbaa !5
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = add nsw i32 %17, -1
  store i32 %18, ptr %16, align 4, !tbaa !5
  %19 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = add nsw i32 %20, -1
  store i32 %21, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #2
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = add nsw i32 %23, %22
  store i32 %24, ptr %5, align 4, !tbaa !5
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %25, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #2
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = icmp eq i32 %29, 0
  br i1 %30, label %31, label %33

31:                                               ; preds = %9
  %32 = call noundef i64 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5eraseERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %3)
  br label %33

33:                                               ; preds = %31, %9
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %39

37:                                               ; preds = %33
  %38 = call noundef i64 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5eraseERS3_(ptr noundef nonnull align 8 dereferenceable(48) @memo, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %39

39:                                               ; preds = %37, %33
  %40 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %10
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = getelementptr inbounds [200100 x i32], ptr @rnk, i64 0, i64 %13
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = icmp sgt i32 %41, %43
  %. = select i1 %44, i64 %13, i64 %10
  %.29 = select i1 %44, i32 %6, i32 %7
  %.30 = select i1 %44, ptr %14, ptr %11
  %.31 = select i1 %44, ptr %11, ptr %14
  %45 = getelementptr inbounds [200100 x i32], ptr @p, i64 0, i64 %.
  store i32 %.29, ptr %45, align 4, !tbaa !5
  %46 = load i32, ptr %.30, align 4, !tbaa !5
  %47 = load i32, ptr %.31, align 4, !tbaa !5
  %48 = add nsw i32 %47, %46
  store i32 %48, ptr %.31, align 4, !tbaa !5
  %49 = icmp eq i32 %41, %43
  br i1 %49, label %50, label %52

50:                                               ; preds = %39
  %51 = add nsw i32 %41, 1
  store i32 %51, ptr %42, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %50, %39
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #2
  br label %53

53:                                               ; preds = %2, %52
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) 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) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5eraseERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass