; LLVM IR from upupming/algorithm :: kick-start/2020/RoundC/D. Candies.ll (Z5buildiii)

; 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.SegmentTree = type { i32, i32, i64, i64, i64 }

@a = external dso_local global [200010 x i32], align 16
@t = external dso_local global [800040 x %struct.SegmentTree], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z4signi(i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5buildiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  %8 = load i32, ptr %5, align 4, !tbaa !5
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %10
  %12 = getelementptr inbounds %struct.SegmentTree, ptr %11, i32 0, i32 0
  store i32 %8, ptr %12, align 16, !tbaa !9
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %15
  %17 = getelementptr inbounds %struct.SegmentTree, ptr %16, i32 0, i32 1
  store i32 %13, ptr %17, align 4, !tbaa !12
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = load i32, ptr %6, align 4, !tbaa !5
  %20 = icmp eq i32 %18, %19
  br i1 %20, label %21, label %50

21:                                               ; preds = %3
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = call noundef i32 @_Z4signi(i32 noundef %22)
  %24 = sub nsw i32 0, %23
  %25 = load i32, ptr %5, align 4, !tbaa !5
  %26 = mul nsw i32 %24, %25
  %27 = load i32, ptr %5, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [200010 x i32], ptr @a, i64 0, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = mul nsw i32 %26, %30
  %32 = sext i32 %31 to i64
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %34
  %36 = getelementptr inbounds %struct.SegmentTree, ptr %35, i32 0, i32 2
  store i64 %32, ptr %36, align 8, !tbaa !13
  %37 = load i32, ptr %5, align 4, !tbaa !5
  %38 = call noundef i32 @_Z4signi(i32 noundef %37)
  %39 = sub nsw i32 0, %38
  %40 = load i32, ptr %5, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [200010 x i32], ptr @a, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = mul nsw i32 %39, %43
  %45 = sext i32 %44 to i64
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %47
  %49 = getelementptr inbounds %struct.SegmentTree, ptr %48, i32 0, i32 3
  store i64 %45, ptr %49, align 16, !tbaa !14
  br label %101

50:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %51 = load i32, ptr %5, align 4, !tbaa !5
  %52 = load i32, ptr %6, align 4, !tbaa !5
  %53 = add nsw i32 %51, %52
  %54 = ashr i32 %53, 1
  store i32 %54, ptr %7, align 4, !tbaa !5
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = mul nsw i32 2, %55
  %57 = load i32, ptr %5, align 4, !tbaa !5
  %58 = load i32, ptr %7, align 4, !tbaa !5
  call void @_Z5buildiii(i32 noundef %56, i32 noundef %57, i32 noundef %58)
  %59 = load i32, ptr %4, align 4, !tbaa !5
  %60 = mul nsw i32 2, %59
  %61 = add nsw i32 %60, 1
  %62 = load i32, ptr %7, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  %64 = load i32, ptr %6, align 4, !tbaa !5
  call void @_Z5buildiii(i32 noundef %61, i32 noundef %63, i32 noundef %64)
  %65 = load i32, ptr %4, align 4, !tbaa !5
  %66 = mul nsw i32 2, %65
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %67
  %69 = getelementptr inbounds %struct.SegmentTree, ptr %68, i32 0, i32 2
  %70 = load i64, ptr %69, align 8, !tbaa !13
  %71 = load i32, ptr %4, align 4, !tbaa !5
  %72 = mul nsw i32 2, %71
  %73 = add nsw i32 %72, 1
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %74
  %76 = getelementptr inbounds %struct.SegmentTree, ptr %75, i32 0, i32 2
  %77 = load i64, ptr %76, align 8, !tbaa !13
  %78 = add nsw i64 %70, %77
  %79 = load i32, ptr %4, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %80
  %82 = getelementptr inbounds %struct.SegmentTree, ptr %81, i32 0, i32 2
  store i64 %78, ptr %82, align 8, !tbaa !13
  %83 = load i32, ptr %4, align 4, !tbaa !5
  %84 = mul nsw i32 2, %83
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %85
  %87 = getelementptr inbounds %struct.SegmentTree, ptr %86, i32 0, i32 3
  %88 = load i64, ptr %87, align 16, !tbaa !14
  %89 = load i32, ptr %4, align 4, !tbaa !5
  %90 = mul nsw i32 2, %89
  %91 = add nsw i32 %90, 1
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %92
  %94 = getelementptr inbounds %struct.SegmentTree, ptr %93, i32 0, i32 3
  %95 = load i64, ptr %94, align 16, !tbaa !14
  %96 = add nsw i64 %88, %95
  %97 = load i32, ptr %4, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %98
  %100 = getelementptr inbounds %struct.SegmentTree, ptr %99, i32 0, i32 3
  store i64 %96, ptr %100, align 16, !tbaa !14
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %101

101:                                              ; preds = %50, %21
  ret void
}

; 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

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 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 = { 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 = !{!10, !6, i64 0}
!10 = !{!"_ZTS11SegmentTree", !6, i64 0, !6, i64 4, !11, i64 8, !11, i64 16, !11, i64 24}
!11 = !{!"long long", !7, i64 0}
!12 = !{!10, !6, i64 4}
!13 = !{!10, !11, i64 8}
!14 = !{!10, !11, i64 16}


; 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.SegmentTree = type { i32, i32, i64, i64, i64 }

@a = external dso_local local_unnamed_addr global [200010 x i32], align 16
@t = external dso_local local_unnamed_addr global [800040 x %struct.SegmentTree], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z4signi(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z5buildiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = sext i32 %0 to i64
  %5 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %4
  store i32 %1, ptr %5, align 16, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 4
  store i32 %2, ptr %6, align 4, !tbaa !11
  %7 = icmp eq i32 %1, %2
  br i1 %7, label %8, label %24

8:                                                ; preds = %3
  %9 = tail call noundef i32 @_Z4signi(i32 noundef %1)
  %10 = sext i32 %1 to i64
  %11 = getelementptr inbounds [200010 x i32], ptr @a, i64 0, i64 %10
  %12 = load i32, ptr %11, align 4, !tbaa !12
  %13 = mul i32 %9, %1
  %14 = mul i32 %13, %12
  %15 = sub i32 0, %14
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds i8, ptr %5, i64 8
  store i64 %16, ptr %17, align 8, !tbaa !13
  %18 = tail call noundef i32 @_Z4signi(i32 noundef %1)
  %19 = load i32, ptr %11, align 4, !tbaa !12
  %20 = mul i32 %18, %19
  %21 = sub i32 0, %20
  %22 = sext i32 %21 to i64
  br label %common.ret

common.ret:                                       ; preds = %8, %24
  %.sink = phi i64 [ %22, %8 ], [ %44, %24 ]
  %23 = getelementptr inbounds i8, ptr %5, i64 16
  store i64 %.sink, ptr %23, align 16
  ret void

24:                                               ; preds = %3
  %25 = add nsw i32 %2, %1
  %26 = ashr i32 %25, 1
  %27 = shl nsw i32 %0, 1
  tail call void @_Z5buildiii(i32 noundef %27, i32 noundef %1, i32 noundef %26)
  %28 = or disjoint i32 %27, 1
  %29 = add nsw i32 %26, 1
  tail call void @_Z5buildiii(i32 noundef %28, i32 noundef %29, i32 noundef %2)
  %30 = sext i32 %27 to i64
  %31 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %30
  %32 = getelementptr inbounds i8, ptr %31, i64 8
  %33 = load i64, ptr %32, align 8, !tbaa !13
  %34 = sext i32 %28 to i64
  %35 = getelementptr inbounds [800040 x %struct.SegmentTree], ptr @t, i64 0, i64 %34
  %36 = getelementptr inbounds i8, ptr %35, i64 8
  %37 = load i64, ptr %36, align 8, !tbaa !13
  %38 = add nsw i64 %37, %33
  %39 = getelementptr inbounds i8, ptr %5, i64 8
  store i64 %38, ptr %39, align 8, !tbaa !13
  %40 = getelementptr inbounds i8, ptr %31, i64 16
  %41 = load i64, ptr %40, align 16, !tbaa !14
  %42 = getelementptr inbounds i8, ptr %35, i64 16
  %43 = load i64, ptr %42, align 16, !tbaa !14
  %44 = add nsw i64 %43, %41
  br label %common.ret
}

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" }

!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, !7, i64 0}
!6 = !{!"_ZTS11SegmentTree", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long long", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!7, !7, i64 0}
!13 = !{!6, !10, i64 8}
!14 = !{!6, !10, i64 16}


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