; LLVM IR from abeaumont/competitive-programming :: hackerrank/algorithms (mini-max-sum)

; 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"

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [5 x i64], align 16
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 40, ptr %2) #3
  %7 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 0
  %8 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 1
  %9 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 2
  %10 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 3
  %11 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 4
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %7, ptr noundef %8, ptr noundef %9, ptr noundef %10, ptr noundef %11)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %13 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 0
  %14 = load i64, ptr %13, align 16, !tbaa !5
  store i64 %14, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %15 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 0
  %16 = load i64, ptr %15, align 16, !tbaa !5
  store i64 %16, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %17 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 0
  %18 = load i64, ptr %17, align 16, !tbaa !5
  store i64 %18, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 1, ptr %6, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %54, %0
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = icmp slt i32 %20, 5
  br i1 %21, label %23, label %22

22:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %57

23:                                               ; preds = %19
  %24 = load i64, ptr %3, align 8, !tbaa !5
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 %26
  %28 = load i64, ptr %27, align 8, !tbaa !5
  %29 = icmp sgt i64 %24, %28
  br i1 %29, label %30, label %35

30:                                               ; preds = %23
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 %32
  %34 = load i64, ptr %33, align 8, !tbaa !5
  store i64 %34, ptr %3, align 8, !tbaa !5
  br label %35

35:                                               ; preds = %30, %23
  %36 = load i64, ptr %4, align 8, !tbaa !5
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 %38
  %40 = load i64, ptr %39, align 8, !tbaa !5
  %41 = icmp slt i64 %36, %40
  br i1 %41, label %42, label %47

42:                                               ; preds = %35
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 %44
  %46 = load i64, ptr %45, align 8, !tbaa !5
  store i64 %46, ptr %4, align 8, !tbaa !5
  br label %47

47:                                               ; preds = %42, %35
  %48 = load i32, ptr %6, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [5 x i64], ptr %2, i64 0, i64 %49
  %51 = load i64, ptr %50, align 8, !tbaa !5
  %52 = load i64, ptr %5, align 8, !tbaa !5
  %53 = add nsw i64 %52, %51
  store i64 %53, ptr %5, align 8, !tbaa !5
  br label %54

54:                                               ; preds = %47
  %55 = load i32, ptr %6, align 4, !tbaa !9
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %6, align 4, !tbaa !9
  br label %19, !llvm.loop !11

57:                                               ; preds = %22
  %58 = load i64, ptr %5, align 8, !tbaa !5
  %59 = load i64, ptr %4, align 8, !tbaa !5
  %60 = sub nsw i64 %58, %59
  %61 = load i64, ptr %5, align 8, !tbaa !5
  %62 = load i64, ptr %3, align 8, !tbaa !5
  %63 = sub nsw i64 %61, %62
  %64 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %60, i64 noundef %63)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr %2) #3
  ret i32 0
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

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

declare i32 @printf(ptr noundef, ...) #2

attributes #0 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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"

@.str = external hidden unnamed_addr constant [25 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [5 x i64], align 16
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %1) #4
  %2 = getelementptr inbounds i8, ptr %1, i64 8
  %3 = getelementptr inbounds i8, ptr %1, i64 16
  %4 = getelementptr inbounds i8, ptr %1, i64 24
  %5 = getelementptr inbounds i8, ptr %1, i64 32
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %7 = load i64, ptr %1, align 16, !tbaa !5
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %spec.select = call i64 @llvm.smin.i64(i64 %7, i64 %8)
  %.1 = call i64 @llvm.smax.i64(i64 %7, i64 %8)
  %9 = add nsw i64 %8, %7
  %10 = load i64, ptr %3, align 16, !tbaa !5
  %spec.select.1 = call i64 @llvm.smin.i64(i64 %spec.select, i64 %10)
  %.1.1 = call i64 @llvm.smax.i64(i64 %.1, i64 %10)
  %11 = add nsw i64 %10, %9
  %12 = load i64, ptr %4, align 8, !tbaa !5
  %spec.select.2 = call i64 @llvm.smin.i64(i64 %spec.select.1, i64 %12)
  %.1.2 = call i64 @llvm.smax.i64(i64 %.1.1, i64 %12)
  %13 = add nsw i64 %12, %11
  %14 = load i64, ptr %5, align 16, !tbaa !5
  %spec.select.3 = call i64 @llvm.smin.i64(i64 %spec.select.2, i64 %14)
  %.1.3 = call i64 @llvm.smax.i64(i64 %.1.2, i64 %14)
  %15 = add nsw i64 %14, %13
  %16 = sub nsw i64 %15, %.1.3
  %17 = sub nsw i64 %15, %spec.select.3
  %18 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %16, i64 noundef %17)
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #4
  ret i32 0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) 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) #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #3

attributes #0 = { nofree 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass