; LLVM IR from Ayon-SSP/The-SDE-Prep :: 1]_Data Structures/8]_Segment Tree/Max_Query_In_Range.ll (Z15constructSTUtilPiiiS_i)

; 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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6getMidii(i32 noundef, 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: 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)) #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
define dso_local noundef i32 @_Z15constructSTUtilPiiiS_i(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, i32 noundef %4) #3 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !9
  store i32 %2, ptr %9, align 4, !tbaa !9
  store ptr %3, ptr %10, align 8, !tbaa !5
  store i32 %4, ptr %11, align 4, !tbaa !9
  %15 = load i32, ptr %8, align 4, !tbaa !9
  %16 = load i32, ptr %9, align 4, !tbaa !9
  %17 = icmp eq i32 %15, %16
  br i1 %17, label %18, label %33

18:                                               ; preds = %5
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = load i32, ptr %8, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds i32, ptr %19, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = load i32, ptr %11, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i32, ptr %24, i64 %26
  store i32 %23, ptr %27, align 4, !tbaa !9
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = load i32, ptr %8, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds i32, ptr %28, i64 %30
  %32 = load i32, ptr %31, align 4, !tbaa !9
  store i32 %32, ptr %6, align 4
  br label %65

33:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %34 = load i32, ptr %8, align 4, !tbaa !9
  %35 = load i32, ptr %9, align 4, !tbaa !9
  %36 = call noundef i32 @_Z6getMidii(i32 noundef %34, i32 noundef %35)
  store i32 %36, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  %38 = load i32, ptr %8, align 4, !tbaa !9
  %39 = load i32, ptr %12, align 4, !tbaa !9
  %40 = load ptr, ptr %10, align 8, !tbaa !5
  %41 = load i32, ptr %11, align 4, !tbaa !9
  %42 = mul nsw i32 %41, 2
  %43 = add nsw i32 %42, 1
  %44 = call noundef i32 @_Z15constructSTUtilPiiiS_i(ptr noundef %37, i32 noundef %38, i32 noundef %39, ptr noundef %40, i32 noundef %43)
  store i32 %44, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = load i32, ptr %12, align 4, !tbaa !9
  %47 = add nsw i32 %46, 1
  %48 = load i32, ptr %9, align 4, !tbaa !9
  %49 = load ptr, ptr %10, align 8, !tbaa !5
  %50 = load i32, ptr %11, align 4, !tbaa !9
  %51 = mul nsw i32 %50, 2
  %52 = add nsw i32 %51, 2
  %53 = call noundef i32 @_Z15constructSTUtilPiiiS_i(ptr noundef %45, i32 noundef %47, i32 noundef %48, ptr noundef %49, i32 noundef %52)
  store i32 %53, ptr %14, align 4, !tbaa !9
  %54 = 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)
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = load ptr, ptr %10, align 8, !tbaa !5
  %57 = load i32, ptr %11, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds i32, ptr %56, i64 %58
  store i32 %55, ptr %59, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  %60 = load ptr, ptr %10, align 8, !tbaa !5
  %61 = load i32, ptr %11, align 4, !tbaa !9
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i32, ptr %60, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !9
  store i32 %64, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %65

65:                                               ; preds = %33, %18
  %66 = load i32, ptr %6, align 4
  ret i32 %66
}

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 = { 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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6getMidii(i32 noundef, 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: 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

; 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 @_Z15constructSTUtilPiiiS_i(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = icmp eq i32 %1, %2
  br i1 %8, label %common.ret, label %14

common.ret:                                       ; preds = %5
  %9 = sext i32 %1 to i64
  %10 = getelementptr inbounds i32, ptr %0, i64 %9
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = sext i32 %4 to i64
  %13 = getelementptr inbounds i32, ptr %3, i64 %12
  store i32 %11, ptr %13, align 4, !tbaa !5
  br label %common.ret26

common.ret26:                                     ; preds = %14, %common.ret
  %common.ret26.op = phi i32 [ %11, %common.ret ], [ %23, %14 ]
  ret i32 %common.ret26.op

14:                                               ; preds = %5
  %15 = tail call noundef i32 @_Z6getMidii(i32 noundef %1, i32 noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #3
  %16 = shl nsw i32 %4, 1
  %17 = or disjoint i32 %16, 1
  %18 = tail call noundef i32 @_Z15constructSTUtilPiiiS_i(ptr noundef %0, i32 noundef %1, i32 noundef %15, ptr noundef %3, i32 noundef %17)
  store i32 %18, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %19 = add nsw i32 %15, 1
  %20 = add nsw i32 %16, 2
  %21 = tail call noundef i32 @_Z15constructSTUtilPiiiS_i(ptr noundef %0, i32 noundef %19, i32 noundef %2, ptr noundef %3, i32 noundef %20)
  store i32 %21, ptr %7, align 4, !tbaa !5
  %22 = 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)
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = sext i32 %4 to i64
  %25 = getelementptr inbounds i32, ptr %3, i64 %24
  store i32 %23, ptr %25, 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.ret26
}

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,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass