; LLVM IR from yettabaa/cub3D :: Mandatory/parsing/get_next_line (get_next_line)

; 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 ptr @read_record(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %9 = call noalias ptr @malloc(i64 noundef 101) #6
  store ptr %9, ptr %7, align 8, !tbaa !9
  %10 = load ptr, ptr %7, align 8, !tbaa !9
  %11 = icmp ne ptr %10, null
  br i1 %11, label %13, label %12

12:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %43

13:                                               ; preds = %2
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %32, %13
  %15 = load ptr, ptr %5, align 8, !tbaa !9
  %16 = call i32 @ftt_strchr(ptr noundef %15, i32 noundef 10)
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %18, label %21

18:                                               ; preds = %14
  %19 = load i32, ptr %6, align 4, !tbaa !5
  %20 = icmp ne i32 %19, 0
  br label %21

21:                                               ; preds = %18, %14
  %22 = phi i1 [ false, %14 ], [ %20, %18 ]
  br i1 %22, label %23, label %40

23:                                               ; preds = %21
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = load ptr, ptr %7, align 8, !tbaa !9
  %26 = call i64 @read(i32 noundef %24, ptr noundef %25, i64 noundef 100)
  %27 = trunc i64 %26 to i32
  store i32 %27, ptr %6, align 4, !tbaa !5
  %28 = load i32, ptr %6, align 4, !tbaa !5
  %29 = icmp eq i32 %28, -1
  br i1 %29, label %30, label %32

30:                                               ; preds = %23
  %31 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %31) #5
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %43

32:                                               ; preds = %23
  %33 = load ptr, ptr %7, align 8, !tbaa !9
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds i8, ptr %33, i64 %35
  store i8 0, ptr %36, align 1, !tbaa !11
  %37 = load ptr, ptr %5, align 8, !tbaa !9
  %38 = load ptr, ptr %7, align 8, !tbaa !9
  %39 = call ptr @ftt_strjoin(ptr noundef %37, ptr noundef %38)
  store ptr %39, ptr %5, align 8, !tbaa !9
  br label %14, !llvm.loop !12

40:                                               ; preds = %21
  %41 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %41) #5
  store ptr null, ptr %7, align 8, !tbaa !9
  %42 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %42, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %43

43:                                               ; preds = %40, %30, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %44 = load ptr, ptr %3, align 8
  ret ptr %44
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

declare i32 @ftt_strchr(ptr noundef, i32 noundef) #3

declare i64 @read(i32 noundef, ptr noundef, i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

declare ptr @ftt_strjoin(ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { "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 #4 = { nounwind "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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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
define dso_local noundef ptr @read_record(i32 noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call noalias dereferenceable_or_null(101) ptr @malloc(i64 noundef 101) #5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %16, label %.preheader

.preheader:                                       ; preds = %2
  %4 = tail call i32 @ftt_strchr(ptr noundef %1, i32 noundef 10) #6
  %.not19 = icmp eq i32 %4, 0
  br i1 %.not19, label %.sink.split, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %8
  %.01318 = phi ptr [ %11, %8 ], [ %1, %.preheader ]
  %5 = tail call i64 @read(i32 noundef %0, ptr noundef nonnull %3, i64 noundef 100) #6
  %6 = trunc i64 %5 to i32
  %7 = icmp eq i32 %6, -1
  br i1 %7, label %.sink.split, label %8

8:                                                ; preds = %.lr.ph
  %sext = shl i64 %5, 32
  %9 = ashr exact i64 %sext, 32
  %10 = getelementptr inbounds i8, ptr %3, i64 %9
  store i8 0, ptr %10, align 1, !tbaa !5
  %11 = tail call ptr @ftt_strjoin(ptr noundef %.01318, ptr noundef nonnull %3) #6
  %12 = tail call i32 @ftt_strchr(ptr noundef %11, i32 noundef 10) #6
  %13 = icmp ne i32 %12, 0
  %14 = icmp ne i32 %6, 0
  %15 = and i1 %14, %13
  br i1 %15, label %.lr.ph, label %.sink.split, !llvm.loop !8

.sink.split:                                      ; preds = %8, %.lr.ph, %.preheader
  %.014.ph = phi ptr [ %1, %.preheader ], [ null, %.lr.ph ], [ %11, %8 ]
  tail call void @free(ptr noundef nonnull %3) #6
  br label %16

16:                                               ; preds = %.sink.split, %2
  %.014 = phi ptr [ null, %2 ], [ %.014.ph, %.sink.split ]
  ret ptr %.014
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

declare i32 @ftt_strchr(ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nofree
declare noundef i64 @read(i32 noundef, ptr nocapture noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

declare ptr @ftt_strjoin(ptr noundef, ptr noundef) local_unnamed_addr #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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { "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 = { nofree "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 #4 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #5 = { nounwind allocsize(0) }
attributes #6 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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