; LLVM IR from andreimaximov/algorithms :: codeforces/the-bakery/main.ll (Z3rmqiiiii)

; 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"

@T = external dso_local global [140020 x i32], align 16
@L = external dso_local global [140020 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4pushi(i32 noundef) #0

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

; 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
define dso_local noundef i32 @_Z3rmqiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) #2 {
  %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
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store i32 %0, ptr %7, align 4, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !5
  store i32 %3, ptr %10, align 4, !tbaa !5
  store i32 %4, ptr %11, align 4, !tbaa !5
  %15 = load i32, ptr %11, align 4, !tbaa !5
  %16 = load i32, ptr %8, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %22, label %18

18:                                               ; preds = %5
  %19 = load i32, ptr %10, align 4, !tbaa !5
  %20 = load i32, ptr %9, align 4, !tbaa !5
  %21 = icmp sgt i32 %19, %20
  br i1 %21, label %22, label %23

22:                                               ; preds = %18, %5
  store i32 0, ptr %6, align 4
  br label %69

23:                                               ; preds = %18
  %24 = load i32, ptr %10, align 4, !tbaa !5
  %25 = load i32, ptr %8, align 4, !tbaa !5
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %27, label %41

27:                                               ; preds = %23
  %28 = load i32, ptr %11, align 4, !tbaa !5
  %29 = load i32, ptr %9, align 4, !tbaa !5
  %30 = icmp sge i32 %28, %29
  br i1 %30, label %31, label %41

31:                                               ; preds = %27
  %32 = load i32, ptr %7, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [140020 x i32], ptr @T, i64 0, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = load i32, ptr %7, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [140020 x i32], ptr @L, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = add nsw i32 %35, %39
  store i32 %40, ptr %6, align 4
  br label %69

41:                                               ; preds = %27, %23
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %7, align 4, !tbaa !5
  call void @_Z4pushi(i32 noundef %43)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %44 = load i32, ptr %8, align 4, !tbaa !5
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = load i32, ptr %8, align 4, !tbaa !5
  %47 = sub nsw i32 %45, %46
  %48 = sdiv i32 %47, 2
  %49 = add nsw i32 %44, %48
  store i32 %49, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %50 = load i32, ptr %7, align 4, !tbaa !5
  %51 = mul nsw i32 %50, 2
  %52 = add nsw i32 %51, 1
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = load i32, ptr %10, align 4, !tbaa !5
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = call noundef i32 @_Z3rmqiiiii(i32 noundef %52, i32 noundef %53, i32 noundef %54, i32 noundef %55, i32 noundef %56)
  store i32 %57, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %58 = load i32, ptr %7, align 4, !tbaa !5
  %59 = mul nsw i32 %58, 2
  %60 = add nsw i32 %59, 2
  %61 = load i32, ptr %12, align 4, !tbaa !5
  %62 = add nsw i32 %61, 1
  %63 = load i32, ptr %9, align 4, !tbaa !5
  %64 = load i32, ptr %10, align 4, !tbaa !5
  %65 = load i32, ptr %11, align 4, !tbaa !5
  %66 = call noundef i32 @_Z3rmqiiiii(i32 noundef %60, i32 noundef %62, i32 noundef %63, i32 noundef %64, i32 noundef %65)
  store i32 %66, ptr %14, align 4, !tbaa !5
  %67 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %68 = load i32, ptr %67, align 4, !tbaa !5
  store i32 %68, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %69

69:                                               ; preds = %42, %31, %22
  %70 = load i32, ptr %6, align 4
  ret i32 %70
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { inlinehint 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 #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 = !{!"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"

@T = external dso_local local_unnamed_addr global [140020 x i32], align 16
@L = external dso_local local_unnamed_addr global [140020 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4pushi(i32 noundef) local_unnamed_addr #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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z3rmqiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = icmp slt i32 %4, %1
  %9 = icmp sgt i32 %3, %2
  %or.cond = or i1 %9, %8
  br i1 %or.cond, label %common.ret31, label %10

10:                                               ; preds = %5
  %.not = icmp sgt i32 %3, %1
  %.not29 = icmp slt i32 %4, %2
  %or.cond30 = or i1 %.not, %.not29
  br i1 %or.cond30, label %18, label %11

11:                                               ; preds = %10
  %12 = sext i32 %0 to i64
  %13 = getelementptr inbounds [140020 x i32], ptr @T, i64 0, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = getelementptr inbounds [140020 x i32], ptr @L, i64 0, i64 %12
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = add nsw i32 %16, %14
  br label %common.ret31

common.ret31:                                     ; preds = %5, %11, %18
  %common.ret31.op = phi i32 [ %29, %18 ], [ %17, %11 ], [ 0, %5 ]
  ret i32 %common.ret31.op

18:                                               ; preds = %10
  tail call void @_Z4pushi(i32 noundef %0)
  %19 = sub nsw i32 %2, %1
  %20 = sdiv i32 %19, 2
  %21 = add nsw i32 %20, %1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #3
  %22 = shl nsw i32 %0, 1
  %23 = or disjoint i32 %22, 1
  %24 = tail call noundef i32 @_Z3rmqiiiii(i32 noundef %23, i32 noundef %1, i32 noundef %21, i32 noundef %3, i32 noundef %4)
  store i32 %24, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %25 = add nsw i32 %22, 2
  %26 = add nsw i32 %21, 1
  %27 = tail call noundef i32 @_Z3rmqiiiii(i32 noundef %25, i32 noundef %26, i32 noundef %2, i32 noundef %3, i32 noundef %4)
  store i32 %27, ptr %7, align 4, !tbaa !5
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %29 = load i32, ptr %28, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #3
  br label %common.ret31
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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 = { 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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass