; LLVM IR from pranjalwalia/Competitive-programming :: implementations/segtrees/practice/RMQ.ll (Z3RMQPiiiiii)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z3RMQPiiiiii(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #2 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %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
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i32 %1, ptr %9, align 4, !tbaa !9
  store i32 %2, ptr %10, align 4, !tbaa !9
  store i32 %3, ptr %11, align 4, !tbaa !9
  store i32 %4, ptr %12, align 4, !tbaa !9
  store i32 %5, ptr %13, align 4, !tbaa !9
  %17 = load i32, ptr %12, align 4, !tbaa !9
  %18 = load i32, ptr %11, align 4, !tbaa !9
  %19 = icmp sgt i32 %17, %18
  br i1 %19, label %24, label %20

20:                                               ; preds = %6
  %21 = load i32, ptr %13, align 4, !tbaa !9
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %24, label %25

24:                                               ; preds = %20, %6
  store i32 2147483647, ptr %7, align 4
  br label %64

25:                                               ; preds = %20
  %26 = load i32, ptr %12, align 4, !tbaa !9
  %27 = load i32, ptr %10, align 4, !tbaa !9
  %28 = icmp sle i32 %26, %27
  br i1 %28, label %29, label %39

29:                                               ; preds = %25
  %30 = load i32, ptr %13, align 4, !tbaa !9
  %31 = load i32, ptr %11, align 4, !tbaa !9
  %32 = icmp sge i32 %30, %31
  br i1 %32, label %33, label %39

33:                                               ; preds = %29
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = load i32, ptr %9, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %34, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !9
  store i32 %38, ptr %7, align 4
  br label %64

39:                                               ; preds = %29, %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  %40 = load i32, ptr %10, align 4, !tbaa !9
  %41 = load i32, ptr %11, align 4, !tbaa !9
  %42 = add nsw i32 %40, %41
  %43 = sdiv i32 %42, 2
  store i32 %43, ptr %14, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  %44 = load ptr, ptr %8, align 8, !tbaa !5
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = mul nsw i32 2, %45
  %47 = load i32, ptr %10, align 4, !tbaa !9
  %48 = load i32, ptr %14, align 4, !tbaa !9
  %49 = load i32, ptr %12, align 4, !tbaa !9
  %50 = load i32, ptr %13, align 4, !tbaa !9
  %51 = call noundef i32 @_Z3RMQPiiiiii(ptr noundef %44, i32 noundef %46, i32 noundef %47, i32 noundef %48, i32 noundef %49, i32 noundef %50)
  store i32 %51, ptr %15, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  %52 = load ptr, ptr %8, align 8, !tbaa !5
  %53 = load i32, ptr %9, align 4, !tbaa !9
  %54 = mul nsw i32 2, %53
  %55 = add nsw i32 %54, 1
  %56 = load i32, ptr %14, align 4, !tbaa !9
  %57 = add nsw i32 %56, 1
  %58 = load i32, ptr %11, align 4, !tbaa !9
  %59 = load i32, ptr %12, align 4, !tbaa !9
  %60 = load i32, ptr %13, align 4, !tbaa !9
  %61 = call noundef i32 @_Z3RMQPiiiiii(ptr noundef %52, i32 noundef %55, i32 noundef %57, i32 noundef %58, i32 noundef %59, i32 noundef %60)
  store i32 %61, ptr %16, align 4, !tbaa !9
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %16)
  %63 = load i32, ptr %62, align 4, !tbaa !9
  store i32 %63, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %64

64:                                               ; preds = %39, %33, %24
  %65 = load i32, ptr %7, align 4
  ret i32 %65
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z3RMQPiiiiii(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #2 {
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = icmp sgt i32 %4, %3
  %10 = icmp slt i32 %5, %2
  %or.cond = or i1 %9, %10
  br i1 %or.cond, label %common.ret30, label %11

11:                                               ; preds = %6
  %.not = icmp sgt i32 %4, %2
  %.not28 = icmp slt i32 %5, %3
  %or.cond29 = or i1 %.not, %.not28
  br i1 %or.cond29, label %16, label %12

12:                                               ; preds = %11
  %13 = sext i32 %1 to i64
  %14 = getelementptr inbounds i32, ptr %0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  br label %common.ret30

common.ret30:                                     ; preds = %6, %12, %16
  %common.ret30.op = phi i32 [ %25, %16 ], [ %15, %12 ], [ 2147483647, %6 ]
  ret i32 %common.ret30.op

16:                                               ; preds = %11
  %17 = add nsw i32 %3, %2
  %18 = sdiv i32 %17, 2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %19 = shl nsw i32 %1, 1
  %20 = tail call noundef i32 @_Z3RMQPiiiiii(ptr noundef %0, i32 noundef %19, i32 noundef %2, i32 noundef %18, i32 noundef %4, i32 noundef %5)
  store i32 %20, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  %21 = or disjoint i32 %19, 1
  %22 = add nsw i32 %18, 1
  %23 = tail call noundef i32 @_Z3RMQPiiiiii(ptr noundef %0, i32 noundef %21, i32 noundef %22, i32 noundef %3, i32 noundef %4, i32 noundef %5)
  store i32 %23, ptr %8, align 4, !tbaa !5
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %25 = load i32, ptr %24, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  br label %common.ret30
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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