; LLVM IR from mwarning/KadNode :: src (searches)

; 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.search_t = type { ptr, [20 x i8], [256 x i8], i8, i64, ptr, ptr }

@g_searches = external hidden global ptr, align 8

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

; Function Attrs: nounwind willreturn memory(read)
declare i32 @memcmp(ptr noundef, ptr noundef, i64 noundef) #1

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

; Function Attrs: nounwind uwtable
declare dso_local void @search_free(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @searches_remove_by_id(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %5 = load ptr, ptr @g_searches, align 8, !tbaa !5
  store ptr %5, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr @g_searches, align 8, !tbaa !5
  store ptr %6, ptr %4, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %32, %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %10, label %37

10:                                               ; preds = %7
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.search_t, ptr %11, i32 0, i32 1
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = call i32 @memcmp(ptr noundef %12, ptr noundef %13, i64 noundef 20) #4
  %15 = icmp eq i32 0, %14
  br i1 %15, label %16, label %32

16:                                               ; preds = %10
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load ptr, ptr @g_searches, align 8, !tbaa !5
  %19 = icmp eq ptr %17, %18
  br i1 %19, label %20, label %24

20:                                               ; preds = %16
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.search_t, ptr %21, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  store ptr %23, ptr @g_searches, align 8, !tbaa !5
  br label %30

24:                                               ; preds = %16
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.search_t, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.search_t, ptr %28, i32 0, i32 0
  store ptr %27, ptr %29, align 8, !tbaa !9
  br label %30

30:                                               ; preds = %24, %20
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  call void @search_free(ptr noundef %31)
  br label %37

32:                                               ; preds = %10
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %33, ptr %4, align 8, !tbaa !5
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.search_t, ptr %34, i32 0, i32 0
  %36 = load ptr, ptr %35, align 8, !tbaa !9
  store ptr %36, ptr %3, align 8, !tbaa !5
  br label %7, !llvm.loop !13

37:                                               ; preds = %30, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind willreturn memory(read) "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 = { 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 }
attributes #4 = { nounwind willreturn memory(read) }

!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, !6, i64 0}
!10 = !{!"search_t", !6, i64 0, !7, i64 8, !7, i64 28, !11, i64 284, !12, i64 288, !6, i64 296, !6, i64 304}
!11 = !{!"_Bool", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@g_searches = external hidden local_unnamed_addr global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local void @search_free(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @searches_remove_by_id(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load ptr, ptr @g_searches, align 8, !tbaa !5
  %.not13 = icmp eq ptr %2, null
  br i1 %.not13, label %.loopexit, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %1
  %3 = getelementptr inbounds i8, ptr %2, i64 8
  %bcmp22 = tail call i32 @bcmp(ptr noundef nonnull dereferenceable(20) %3, ptr noundef nonnull dereferenceable(20) %0, i64 20)
  %4 = icmp eq i32 %bcmp22, 0
  br i1 %4, label %.lr.ph._crit_edge, label %.lr.ph24

.lr.ph:                                           ; preds = %.lr.ph24
  %5 = getelementptr inbounds i8, ptr %9, i64 8
  %bcmp = tail call i32 @bcmp(ptr noundef nonnull dereferenceable(20) %5, ptr noundef nonnull dereferenceable(20) %0, i64 20)
  %6 = icmp eq i32 %bcmp, 0
  br i1 %6, label %.lr.ph._crit_edge, label %.lr.ph24, !llvm.loop !9

.lr.ph._crit_edge:                                ; preds = %.lr.ph, %.lr.ph.preheader
  %.015.lcssa = phi ptr [ %2, %.lr.ph.preheader ], [ %.0101423, %.lr.ph ]
  %.01014.lcssa = phi ptr [ %2, %.lr.ph.preheader ], [ %9, %.lr.ph ]
  %7 = icmp eq ptr %.01014.lcssa, %2
  %8 = load ptr, ptr %.01014.lcssa, align 8, !tbaa !11
  %g_searches..015.lcssa = select i1 %7, ptr @g_searches, ptr %.015.lcssa
  store ptr %8, ptr %g_searches..015.lcssa, align 8, !tbaa !5
  tail call void @search_free(ptr noundef nonnull %.01014.lcssa)
  br label %.loopexit

.lr.ph24:                                         ; preds = %.lr.ph.preheader, %.lr.ph
  %.0101423 = phi ptr [ %9, %.lr.ph ], [ %2, %.lr.ph.preheader ]
  %9 = load ptr, ptr %.0101423, align 8, !tbaa !11
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %.loopexit, label %.lr.ph, !llvm.loop !9

.loopexit:                                        ; preds = %.lr.ph24, %1, %.lr.ph._crit_edge
  ret void
}

; Function Attrs: nofree nounwind willreturn memory(argmem: read)
declare i32 @bcmp(ptr nocapture, ptr nocapture, i64) local_unnamed_addr #1

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" }
attributes #1 = { nofree nounwind willreturn memory(argmem: read) }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"search_t", !6, i64 0, !7, i64 8, !7, i64 28, !13, i64 284, !14, i64 288, !6, i64 296, !6, i64 304}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!"long", !7, i64 0}


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