; LLVM IR from lzyrapx/Competitive-Programming :: 51Nod/1174（线段树）.ll (Z5Queryiiiii)

; 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"

@MAX = external dso_local global [888888 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3maxii(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: 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 @_Z5Queryiiiii(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
  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
  %14 = load i32, ptr %7, align 4, !tbaa !5
  %15 = load i32, ptr %9, align 4, !tbaa !5
  %16 = icmp sle i32 %14, %15
  br i1 %16, label %17, label %26

17:                                               ; preds = %5
  %18 = load i32, ptr %8, align 4, !tbaa !5
  %19 = load i32, ptr %10, align 4, !tbaa !5
  %20 = icmp sge i32 %18, %19
  br i1 %20, label %21, label %26

21:                                               ; preds = %17
  %22 = load i32, ptr %11, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [888888 x i32], ptr @MAX, i64 0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !5
  store i32 %25, ptr %6, align 4
  br label %62

26:                                               ; preds = %17, %5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %27 = load i32, ptr %9, align 4, !tbaa !5
  %28 = load i32, ptr %10, align 4, !tbaa !5
  %29 = add nsw i32 %27, %28
  %30 = ashr i32 %29, 1
  store i32 %30, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 0, ptr %13, align 4, !tbaa !5
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = load i32, ptr %12, align 4, !tbaa !5
  %33 = icmp sle i32 %31, %32
  br i1 %33, label %34, label %44

34:                                               ; preds = %26
  %35 = load i32, ptr %13, align 4, !tbaa !5
  %36 = load i32, ptr %7, align 4, !tbaa !5
  %37 = load i32, ptr %8, align 4, !tbaa !5
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = load i32, ptr %12, align 4, !tbaa !5
  %40 = load i32, ptr %11, align 4, !tbaa !5
  %41 = shl i32 %40, 1
  %42 = call noundef i32 @_Z5Queryiiiii(i32 noundef %36, i32 noundef %37, i32 noundef %38, i32 noundef %39, i32 noundef %41)
  %43 = call noundef i32 @_Z3maxii(i32 noundef %35, i32 noundef %42)
  store i32 %43, ptr %13, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %34, %26
  %45 = load i32, ptr %8, align 4, !tbaa !5
  %46 = load i32, ptr %12, align 4, !tbaa !5
  %47 = icmp sgt i32 %45, %46
  br i1 %47, label %48, label %60

48:                                               ; preds = %44
  %49 = load i32, ptr %13, align 4, !tbaa !5
  %50 = load i32, ptr %7, align 4, !tbaa !5
  %51 = load i32, ptr %8, align 4, !tbaa !5
  %52 = load i32, ptr %12, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  %54 = load i32, ptr %10, align 4, !tbaa !5
  %55 = load i32, ptr %11, align 4, !tbaa !5
  %56 = shl i32 %55, 1
  %57 = or i32 %56, 1
  %58 = call noundef i32 @_Z5Queryiiiii(i32 noundef %50, i32 noundef %51, i32 noundef %53, i32 noundef %54, i32 noundef %57)
  %59 = call noundef i32 @_Z3maxii(i32 noundef %49, i32 noundef %58)
  store i32 %59, ptr %13, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %48, %44
  %61 = load i32, ptr %13, align 4, !tbaa !5
  store i32 %61, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %62

62:                                               ; preds = %60, %21
  %63 = load i32, ptr %6, align 4
  ret i32 %63
}

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 = { 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"

@MAX = external dso_local local_unnamed_addr global [888888 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3maxii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z5Queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %.not = icmp sgt i32 %0, %2
  %.not30 = icmp slt i32 %1, %3
  %or.cond = or i1 %.not, %.not30
  br i1 %or.cond, label %10, label %6

6:                                                ; preds = %5
  %7 = sext i32 %4 to i64
  %8 = getelementptr inbounds [888888 x i32], ptr @MAX, i64 0, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !5
  br label %common.ret32

10:                                               ; preds = %5
  %11 = add nsw i32 %3, %2
  %12 = ashr i32 %11, 1
  %.not31 = icmp slt i32 %12, %0
  br i1 %.not31, label %17, label %13

13:                                               ; preds = %10
  %14 = shl i32 %4, 1
  %15 = tail call noundef i32 @_Z5Queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %12, i32 noundef %14)
  %16 = tail call noundef i32 @_Z3maxii(i32 noundef 0, i32 noundef %15)
  br label %17

17:                                               ; preds = %13, %10
  %.0 = phi i32 [ %16, %13 ], [ 0, %10 ]
  %18 = icmp slt i32 %12, %1
  br i1 %18, label %19, label %common.ret32

common.ret32:                                     ; preds = %17, %6, %19
  %common.ret32.op = phi i32 [ %24, %19 ], [ %9, %6 ], [ %.0, %17 ]
  ret i32 %common.ret32.op

19:                                               ; preds = %17
  %20 = add nsw i32 %12, 1
  %21 = shl i32 %4, 1
  %22 = or disjoint i32 %21, 1
  %23 = tail call noundef i32 @_Z5Queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %20, i32 noundef %3, i32 noundef %22)
  %24 = tail call noundef i32 @_Z3maxii(i32 noundef %.0, i32 noundef %23)
  br label %common.ret32
}

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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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