; LLVM IR from likle/cwalk :: src (cwalk)

; 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: nounwind uwtable
define dso_local zeroext i1 @cwk_path_get_last_segment(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  %8 = call zeroext i1 @cwk_path_get_first_segment(ptr noundef %6, ptr noundef %7)
  br i1 %8, label %10, label %9

9:                                                ; preds = %2
  store i1 false, ptr %3, align 1
  br label %16

10:                                               ; preds = %2
  br label %11

11:                                               ; preds = %14, %10
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = call zeroext i1 @cwk_path_get_next_segment(ptr noundef %12)
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  br label %11, !llvm.loop !9

15:                                               ; preds = %11
  store i1 true, ptr %3, align 1
  br label %16

16:                                               ; preds = %15, %9
  %17 = load i1, ptr %3, align 1
  ret i1 %17
}

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

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

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 = distinct !{!9, !10}
!10 = !{!"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 zeroext i1 @cwk_path_get_last_segment(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call zeroext i1 @cwk_path_get_first_segment(ptr noundef %0, ptr noundef %1)
  br i1 %3, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %2, %.preheader
  %4 = tail call zeroext i1 @cwk_path_get_next_segment(ptr noundef %1)
  br i1 %4, label %.preheader, label %.loopexit, !llvm.loop !5

.loopexit:                                        ; preds = %.preheader, %2
  ret i1 %3
}

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

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @cwk_path_get_next_segment(ptr noundef) local_unnamed_addr #0

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


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