; LLVM IR from AllAlgorithms/c :: algorithms (binarytree)

; 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"

%struct.Node = type { i32, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @findValue(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.Node, ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = icmp sgt i32 %8, %9
  br i1 %10, label %11, label %23

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.Node, ptr %12, i32 0, i32 1
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %22

16:                                               ; preds = %11
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.Node, ptr %17, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !13
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = call i32 @findValue(ptr noundef %19, i32 noundef %20)
  store i32 %21, ptr %3, align 4
  br label %44

22:                                               ; preds = %11
  br label %43

23:                                               ; preds = %2
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.Node, ptr %24, i32 0, i32 0
  %26 = load i32, ptr %25, align 8, !tbaa !11
  %27 = load i32, ptr %5, align 4, !tbaa !9
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %29, label %41

29:                                               ; preds = %23
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.Node, ptr %30, i32 0, i32 2
  %32 = load ptr, ptr %31, align 8, !tbaa !14
  %33 = icmp ne ptr %32, null
  br i1 %33, label %34, label %40

34:                                               ; preds = %29
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.Node, ptr %35, i32 0, i32 2
  %37 = load ptr, ptr %36, align 8, !tbaa !14
  %38 = load i32, ptr %5, align 4, !tbaa !9
  %39 = call i32 @findValue(ptr noundef %37, i32 noundef %38)
  store i32 %39, ptr %3, align 4
  br label %44

40:                                               ; preds = %29
  br label %42

41:                                               ; preds = %23
  store i32 1, ptr %3, align 4
  br label %44

42:                                               ; preds = %40
  br label %43

43:                                               ; preds = %42, %22
  store i32 0, ptr %3, align 4
  br label %44

44:                                               ; preds = %43, %41, %34, %16
  %45 = load i32, ptr %3, align 4
  ret i32 %45
}

attributes #0 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"Node", !10, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, i64 16}


; 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: nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local range(i32 0, 2) i32 @findValue(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  br label %tailrecurse

tailrecurse:                                      ; preds = %tailrecurse.backedge, %2
  %.tr = phi ptr [ %0, %2 ], [ %.tr.be, %tailrecurse.backedge ]
  %3 = load i32, ptr %.tr, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, %1
  br i1 %4, label %5, label %8

5:                                                ; preds = %tailrecurse
  %6 = getelementptr inbounds i8, ptr %.tr, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %.not14 = icmp eq ptr %7, null
  br i1 %.not14, label %13, label %tailrecurse.backedge

tailrecurse.backedge:                             ; preds = %5, %10
  %.tr.be = phi ptr [ %7, %5 ], [ %12, %10 ]
  br label %tailrecurse

8:                                                ; preds = %tailrecurse
  %9 = icmp slt i32 %3, %1
  br i1 %9, label %10, label %13

10:                                               ; preds = %8
  %11 = getelementptr inbounds i8, ptr %.tr, i64 16
  %12 = load ptr, ptr %11, align 8, !tbaa !12
  %.not = icmp eq ptr %12, null
  br i1 %.not, label %13, label %tailrecurse.backedge

13:                                               ; preds = %5, %10, %8
  %.0 = phi i32 [ 1, %8 ], [ 0, %10 ], [ 0, %5 ]
  ret i32 %.0
}

attributes #0 = { nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) 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, !7, i64 0}
!6 = !{!"Node", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !10, i64 16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass