; LLVM IR from libtcod/libtcod :: src/libtcod (list_c)

; 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
declare dso_local ptr @TCOD_list_begin(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @TCOD_list_end(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @TCOD_list_contains(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call ptr @TCOD_list_begin(ptr noundef %8)
  store ptr %9, ptr %6, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %22, %2
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call ptr @TCOD_list_end(ptr noundef %12)
  %14 = icmp ne ptr %11, %13
  br i1 %14, label %15, label %25

15:                                               ; preds = %10
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = icmp eq ptr %17, %18
  br i1 %19, label %20, label %21

20:                                               ; preds = %15
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %26

21:                                               ; preds = %15
  br label %22

22:                                               ; preds = %21
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = getelementptr inbounds ptr, ptr %23, i32 1
  store ptr %24, ptr %6, align 8, !tbaa !5
  br label %10, !llvm.loop !9

25:                                               ; preds = %10
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %26

26:                                               ; preds = %25, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %27 = load i1, ptr %3, align 1
  ret i1 %27
}

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 = 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
declare dso_local ptr @TCOD_list_begin(ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @TCOD_list_contains(ptr noundef %0, ptr noundef readnone %1) local_unnamed_addr #0 {
  %3 = tail call ptr @TCOD_list_begin(ptr noundef %0)
  %4 = tail call ptr @TCOD_list_end(ptr noundef %0)
  %.not8.not = icmp eq ptr %3, %4
  br i1 %.not8.not, label %._crit_edge, label %.lr.ph

5:                                                ; preds = %.lr.ph
  %6 = getelementptr inbounds i8, ptr %.09, i64 8
  %7 = tail call ptr @TCOD_list_end(ptr noundef %0)
  %.not.not = icmp eq ptr %6, %7
  br i1 %.not.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

.lr.ph:                                           ; preds = %2, %5
  %.09 = phi ptr [ %6, %5 ], [ %3, %2 ]
  %8 = load ptr, ptr %.09, align 8, !tbaa !7
  %9 = icmp eq ptr %8, %1
  br i1 %9, label %._crit_edge, label %5

._crit_edge:                                      ; preds = %.lr.ph, %5, %2
  %.not.lcssa = phi i1 [ false, %2 ], [ %9, %5 ], [ %9, %.lr.ph ]
  ret i1 %.not.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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}


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