; LLVM IR from 48d31kh413k/1337-push_swap-42 :: libft (get_next_line_utils)

; 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
declare dso_local i64 @ft_strlen1(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @ft_strchr1(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  store i32 0, ptr %6, align 4, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %48

11:                                               ; preds = %2
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %19

14:                                               ; preds = %11
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = call i64 @ft_strlen1(ptr noundef %16)
  %18 = getelementptr inbounds i8, ptr %15, i64 %17
  store ptr %18, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %48

19:                                               ; preds = %11
  br label %20

20:                                               ; preds = %44, %19
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds i8, ptr %21, i64 %23
  %25 = load i8, ptr %24, align 1, !tbaa !11
  %26 = sext i8 %25 to i32
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %28, label %47

28:                                               ; preds = %20
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i8, ptr %29, i64 %31
  %33 = load i8, ptr %32, align 1, !tbaa !11
  %34 = sext i8 %33 to i32
  %35 = load i32, ptr %5, align 4, !tbaa !9
  %36 = trunc i32 %35 to i8
  %37 = sext i8 %36 to i32
  %38 = icmp eq i32 %34, %37
  br i1 %38, label %39, label %44

39:                                               ; preds = %28
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = load i32, ptr %6, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds i8, ptr %40, i64 %42
  store ptr %43, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %48

44:                                               ; preds = %28
  %45 = load i32, ptr %6, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %6, align 4, !tbaa !9
  br label %20, !llvm.loop !12

47:                                               ; preds = %20
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %48

48:                                               ; preds = %47, %39, %14, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %49 = load ptr, ptr %3, align 8
  ret ptr %49
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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 i64 @ft_strlen1(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @ft_strchr1(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %.loopexit, label %3

3:                                                ; preds = %2
  %4 = icmp eq i32 %1, 0
  br i1 %4, label %7, label %.preheader

.preheader:                                       ; preds = %3
  %5 = load i8, ptr %0, align 1, !tbaa !5
  %.not1518 = icmp eq i8 %5, 0
  br i1 %.not1518, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %sext = shl i32 %1, 24
  %6 = ashr exact i32 %sext, 24
  br label %13

7:                                                ; preds = %3
  %8 = tail call i64 @ft_strlen1(ptr noundef nonnull %0)
  %9 = getelementptr inbounds i8, ptr %0, i64 %8
  br label %.loopexit

10:                                               ; preds = %13
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.next
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %.not15 = icmp eq i8 %12, 0
  br i1 %.not15, label %.loopexit, label %13, !llvm.loop !8

13:                                               ; preds = %.lr.ph, %10
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %10 ]
  %14 = phi i8 [ %5, %.lr.ph ], [ %12, %10 ]
  %15 = sext i8 %14 to i32
  %16 = icmp eq i32 %6, %15
  br i1 %16, label %.loopexit.split.loop.exit, label %10

.loopexit.split.loop.exit:                        ; preds = %13
  %17 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv
  br label %.loopexit

.loopexit:                                        ; preds = %10, %.loopexit.split.loop.exit, %.preheader, %2, %7
  %.012 = phi ptr [ %9, %7 ], [ null, %2 ], [ %17, %.loopexit.split.loop.exit ], [ null, %.preheader ], [ null, %10 ]
  ret ptr %.012
}

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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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