; LLVM IR from ohler55/agoo :: ext/agoo (hook)

; 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._agooHook = type { ptr, i32, ptr, i32, %union.anon, ptr, i8 }
%union.anon = type { ptr }

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @agoo_hook_match(ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @agoo_hook_find(ptr noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %19, %3
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = icmp ne ptr null, %9
  br i1 %10, label %11, label %23

11:                                               ; preds = %8
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = call zeroext i1 @agoo_hook_match(ptr noundef %12, i32 noundef %13, ptr noundef %14)
  br i1 %15, label %16, label %18

16:                                               ; preds = %11
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %17, ptr %4, align 8
  br label %24

18:                                               ; preds = %11
  br label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._agooHook, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !11
  store ptr %22, ptr %5, align 8, !tbaa !5
  br label %8, !llvm.loop !14

23:                                               ; preds = %8
  store ptr null, ptr %4, align 8
  br label %24

24:                                               ; preds = %23, %16
  %25 = load ptr, ptr %4, align 8
  ret ptr %25
}

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, !6, i64 0}
!12 = !{!"_agooHook", !6, i64 0, !10, i64 8, !6, i64 16, !10, i64 24, !7, i64 32, !6, i64 40, !13, i64 48}
!13 = !{!"_Bool", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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: nounwind uwtable
declare dso_local zeroext i1 @agoo_hook_match(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @agoo_hook_find(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %.not7 = icmp eq ptr %0, null
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %5
  %.068 = phi ptr [ %6, %5 ], [ %0, %3 ]
  %4 = tail call zeroext i1 @agoo_hook_match(ptr noundef nonnull %.068, i32 noundef %1, ptr noundef %2)
  br i1 %4, label %._crit_edge, label %5

5:                                                ; preds = %.lr.ph
  %6 = load ptr, ptr %.068, align 8, !tbaa !5
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.lr.ph, %5, %3
  %.06.lcssa = phi ptr [ null, %3 ], [ null, %5 ], [ %.068, %.lr.ph ]
  ret ptr %.06.lcssa
}

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, !7, i64 0}
!6 = !{!"_agooHook", !7, i64 0, !10, i64 8, !7, i64 16, !10, i64 24, !8, i64 32, !7, i64 40, !11, i64 48}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_Bool", !8, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass