; LLVM IR from pranjalwalia/Competitive-programming :: implementations/segtrees/practice/RMQ.ll (Z5buildPiS_iii)

; 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 uwtable
define dso_local void @_Z5buildPiS_iii(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %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 ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !9
  store i32 %4, ptr %10, align 4, !tbaa !9
  %14 = load i32, ptr %9, align 4, !tbaa !9
  %15 = load i32, ptr %10, align 4, !tbaa !9
  %16 = icmp sgt i32 %14, %15
  br i1 %16, label %17, label %18

17:                                               ; preds = %5
  br label %70

18:                                               ; preds = %5
  %19 = load i32, ptr %9, align 4, !tbaa !9
  %20 = load i32, ptr %10, align 4, !tbaa !9
  %21 = icmp eq i32 %19, %20
  br i1 %21, label %22, label %32

22:                                               ; preds = %18
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i32, ptr %23, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = load ptr, ptr %6, 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
  store i32 %27, ptr %31, align 4, !tbaa !9
  br label %70

32:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = load i32, ptr %10, align 4, !tbaa !9
  %35 = add nsw i32 %33, %34
  %36 = sdiv i32 %35, 2
  store i32 %36, ptr %11, align 4, !tbaa !9
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = load ptr, ptr %7, align 8, !tbaa !5
  %39 = load i32, ptr %8, align 4, !tbaa !9
  %40 = mul nsw i32 2, %39
  %41 = load i32, ptr %9, align 4, !tbaa !9
  %42 = load i32, ptr %11, align 4, !tbaa !9
  call void @_Z5buildPiS_iii(ptr noundef %37, ptr noundef %38, i32 noundef %40, i32 noundef %41, i32 noundef %42)
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  %44 = load ptr, ptr %7, align 8, !tbaa !5
  %45 = load i32, ptr %8, align 4, !tbaa !9
  %46 = mul nsw i32 2, %45
  %47 = add nsw i32 %46, 1
  %48 = load i32, ptr %11, align 4, !tbaa !9
  %49 = add nsw i32 %48, 1
  %50 = load i32, ptr %10, align 4, !tbaa !9
  call void @_Z5buildPiS_iii(ptr noundef %43, ptr noundef %44, i32 noundef %47, i32 noundef %49, i32 noundef %50)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %51 = load ptr, ptr %6, align 8, !tbaa !5
  %52 = load i32, ptr %8, align 4, !tbaa !9
  %53 = mul nsw i32 2, %52
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds i32, ptr %51, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !9
  store i32 %56, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %57 = load ptr, ptr %6, align 8, !tbaa !5
  %58 = load i32, ptr %8, align 4, !tbaa !9
  %59 = mul nsw i32 2, %58
  %60 = add nsw i32 %59, 1
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds i32, ptr %57, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !9
  store i32 %63, ptr %13, align 4, !tbaa !9
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  %65 = load i32, ptr %64, align 4, !tbaa !9
  %66 = load ptr, ptr %6, align 8, !tbaa !5
  %67 = load i32, ptr %8, align 4, !tbaa !9
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds i32, ptr %66, i64 %68
  store i32 %65, ptr %69, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %70

70:                                               ; preds = %32, %22, %17
  ret void
}

; 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 @_ZSt3minIiERKT_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

attributes #0 = { 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 #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 = { 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
define dso_local void @_Z5buildPiS_iii(ptr noundef %0, ptr 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 sgt i32 %3, %4
  br i1 %8, label %common.ret26, label %9

9:                                                ; preds = %5
  %10 = icmp eq i32 %3, %4
  br i1 %10, label %11, label %17

11:                                               ; preds = %9
  %12 = sext i32 %3 to i64
  %13 = getelementptr inbounds i32, ptr %1, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = sext i32 %2 to i64
  %16 = getelementptr inbounds i32, ptr %0, i64 %15
  store i32 %14, ptr %16, align 4, !tbaa !5
  br label %common.ret26

common.ret26:                                     ; preds = %5, %11, %17
  ret void

17:                                               ; preds = %9
  %18 = add nsw i32 %4, %3
  %19 = sdiv i32 %18, 2
  %20 = shl nsw i32 %2, 1
  tail call void @_Z5buildPiS_iii(ptr noundef %0, ptr noundef %1, i32 noundef %20, i32 noundef %3, i32 noundef %19)
  %21 = or disjoint i32 %20, 1
  %22 = add nsw i32 %19, 1
  tail call void @_Z5buildPiS_iii(ptr noundef %0, ptr noundef %1, i32 noundef %21, i32 noundef %22, i32 noundef %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #3
  %23 = sext i32 %20 to i64
  %24 = getelementptr inbounds i32, ptr %0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !5
  store i32 %25, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %26 = sext i32 %21 to i64
  %27 = getelementptr inbounds i32, ptr %0, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !5
  store i32 %28, ptr %7, align 4, !tbaa !5
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = sext i32 %2 to i64
  %32 = getelementptr inbounds i32, ptr %0, i64 %31
  store i32 %30, ptr %32, 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
}

; 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 @_ZSt3minIiERKT_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

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