; LLVM IR from kmilo17pet/qlibs :: qtypegeneric (qTypeGeneric_LSearch)

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

; Function Attrs: nounwind uwtable
define dso_local ptr @qTypeGeneric_LSearch(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3, ptr noundef %4, ptr noundef %5) #1 {
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca i64, align 8
  %16 = alloca ptr, align 8
  %17 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i64 %2, ptr %9, align 8, !tbaa !9
  store i64 %3, ptr %10, align 8, !tbaa !9
  store ptr %4, ptr %11, align 8, !tbaa !5
  store ptr %5, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #2
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %18, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #2
  store ptr null, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #2
  store i64 0, ptr %15, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %41, %6
  %20 = load i64, ptr %15, align 8, !tbaa !9
  %21 = load i64, ptr %9, align 8, !tbaa !9
  %22 = icmp ult i64 %20, %21
  br i1 %22, label %23, label %44

23:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #2
  %24 = load ptr, ptr %13, align 8, !tbaa !5
  %25 = load i64, ptr %15, align 8, !tbaa !9
  %26 = load i64, ptr %10, align 8, !tbaa !9
  %27 = mul i64 %25, %26
  %28 = getelementptr inbounds i8, ptr %24, i64 %27
  store ptr %28, ptr %16, align 8, !tbaa !5
  %29 = load ptr, ptr %11, align 8, !tbaa !5
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = load ptr, ptr %16, align 8, !tbaa !5
  %32 = load ptr, ptr %12, align 8, !tbaa !5
  %33 = call i32 %29(ptr noundef %30, ptr noundef %31, ptr noundef %32)
  %34 = icmp eq i32 0, %33
  br i1 %34, label %35, label %37

35:                                               ; preds = %23
  %36 = load ptr, ptr %16, align 8, !tbaa !5
  store ptr %36, ptr %14, align 8, !tbaa !5
  store i32 2, ptr %17, align 4
  br label %38

37:                                               ; preds = %23
  store i32 0, ptr %17, align 4
  br label %38

38:                                               ; preds = %37, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #2
  %39 = load i32, ptr %17, align 4
  switch i32 %39, label %46 [
    i32 0, label %40
    i32 2, label %44
  ]

40:                                               ; preds = %38
  br label %41

41:                                               ; preds = %40
  %42 = load i64, ptr %15, align 8, !tbaa !9
  %43 = add i64 %42, 1
  store i64 %43, ptr %15, align 8, !tbaa !9
  br label %19, !llvm.loop !11

44:                                               ; preds = %38, %19
  %45 = load ptr, ptr %14, align 8, !tbaa !5
  store i32 1, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #2
  ret ptr %45

46:                                               ; preds = %38
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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
define dso_local noundef ptr @qTypeGeneric_LSearch(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3, ptr nocapture noundef readonly %4, ptr noundef %5) local_unnamed_addr #0 {
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

7:                                                ; preds = %.lr.ph
  %8 = add nuw i64 %.01415, 1
  %exitcond.not = icmp eq i64 %8, %2
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

.lr.ph:                                           ; preds = %6, %7
  %.01415 = phi i64 [ %8, %7 ], [ 0, %6 ]
  %9 = mul i64 %.01415, %3
  %10 = getelementptr inbounds i8, ptr %1, i64 %9
  %11 = tail call i32 %4(ptr noundef %0, ptr noundef %10, ptr noundef %5) #1
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %._crit_edge, label %7

._crit_edge:                                      ; preds = %7, %.lr.ph, %6
  %.2 = phi ptr [ null, %6 ], [ %10, %.lr.ph ], [ null, %7 ]
  ret ptr %.2
}

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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass