; LLVM IR from devantler/software-engineering-f22-shared :: IOT/BudgetManagementExcercise-03-28/ESP-Project/components/components (main)

; 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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store i32 0, ptr %3, 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 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = icmp ne i32 %10, 2
  br i1 %11, label %12, label %13

12:                                               ; preds = %2
  store i32 1, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

13:                                               ; preds = %2
  %14 = load ptr, ptr %5, align 8, !tbaa !9
  %15 = getelementptr inbounds ptr, ptr %14, i64 1
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = call noalias ptr @fopen(ptr noundef %16, ptr noundef @.str)
  store ptr %17, ptr %6, align 8, !tbaa !9
  %18 = load ptr, ptr %6, align 8, !tbaa !9
  %19 = icmp eq ptr %18, null
  br i1 %19, label %20, label %21

20:                                               ; preds = %13
  store i32 2, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

21:                                               ; preds = %13
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  %23 = call i32 @fseek(ptr noundef %22, i64 noundef 0, i32 noundef 2)
  %24 = icmp ne i32 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %21
  %26 = load ptr, ptr %6, align 8, !tbaa !9
  %27 = call i32 @fclose(ptr noundef %26)
  store i32 2, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

28:                                               ; preds = %21
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  %30 = call i64 @ftell(ptr noundef %29)
  store i64 %30, ptr %8, align 8, !tbaa !11
  %31 = load i64, ptr %8, align 8, !tbaa !11
  %32 = icmp eq i64 %31, -1
  br i1 %32, label %33, label %36

33:                                               ; preds = %28
  %34 = load ptr, ptr %6, align 8, !tbaa !9
  %35 = call i32 @fclose(ptr noundef %34)
  store i32 2, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

36:                                               ; preds = %28
  %37 = load ptr, ptr %6, align 8, !tbaa !9
  %38 = call i32 @fseek(ptr noundef %37, i64 noundef 0, i32 noundef 0)
  %39 = icmp ne i32 %38, 0
  br i1 %39, label %40, label %43

40:                                               ; preds = %36
  %41 = load ptr, ptr %6, align 8, !tbaa !9
  %42 = call i32 @fclose(ptr noundef %41)
  store i32 2, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

43:                                               ; preds = %36
  %44 = load i64, ptr %8, align 8, !tbaa !11
  %45 = call noalias ptr @malloc(i64 noundef %44) #6
  store ptr %45, ptr %7, align 8, !tbaa !9
  %46 = load ptr, ptr %7, align 8, !tbaa !9
  %47 = icmp eq ptr %46, null
  br i1 %47, label %48, label %51

48:                                               ; preds = %43
  %49 = load ptr, ptr %6, align 8, !tbaa !9
  %50 = call i32 @fclose(ptr noundef %49)
  store i32 2, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

51:                                               ; preds = %43
  %52 = load ptr, ptr %7, align 8, !tbaa !9
  %53 = load i64, ptr %8, align 8, !tbaa !11
  %54 = load ptr, ptr %6, align 8, !tbaa !9
  %55 = call i64 @fread(ptr noundef %52, i64 noundef %53, i64 noundef 1, ptr noundef %54)
  %56 = icmp ne i64 %55, 1
  br i1 %56, label %57, label %61

57:                                               ; preds = %51
  %58 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %58) #5
  %59 = load ptr, ptr %6, align 8, !tbaa !9
  %60 = call i32 @fclose(ptr noundef %59)
  store i32 2, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

61:                                               ; preds = %51
  %62 = load ptr, ptr %7, align 8, !tbaa !9
  %63 = load i64, ptr %8, align 8, !tbaa !11
  %64 = call i32 @LLVMFuzzerTestOneInput(ptr noundef %62, i64 noundef %63)
  %65 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %65) #5
  %66 = load ptr, ptr %6, align 8, !tbaa !9
  %67 = call i32 @fclose(ptr noundef %66)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %68

68:                                               ; preds = %61, %57, %48, %40, %33, %25, %20, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %69 = load i32, ptr %3, align 4
  ret i32 %69
}

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

declare noalias ptr @fopen(ptr noundef, ptr noundef) #2

declare i32 @fseek(ptr noundef, i64 noundef, i32 noundef) #2

declare i32 @fclose(ptr noundef) #2

declare i64 @ftell(ptr noundef) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

declare i64 @fread(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #2

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

declare i32 @LLVMFuzzerTestOneInput(ptr noundef, i64 noundef) #2

; 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 = { "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 = { 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 #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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}


; 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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 3) i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %.not = icmp eq i32 %0, 2
  br i1 %.not, label %3, label %23

3:                                                ; preds = %2
  %4 = getelementptr inbounds i8, ptr %1, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = tail call noalias ptr @fopen(ptr noundef %5, ptr noundef nonnull @.str)
  %7 = icmp eq ptr %6, null
  br i1 %7, label %23, label %8

8:                                                ; preds = %3
  %9 = tail call i32 @fseek(ptr noundef nonnull %6, i64 noundef 0, i32 noundef 2)
  %.not25 = icmp eq i32 %9, 0
  br i1 %.not25, label %10, label %.sink.split

10:                                               ; preds = %8
  %11 = tail call i64 @ftell(ptr noundef nonnull %6)
  %12 = icmp eq i64 %11, -1
  br i1 %12, label %.sink.split, label %13

13:                                               ; preds = %10
  %14 = tail call i32 @fseek(ptr noundef nonnull %6, i64 noundef 0, i32 noundef 0)
  %.not26 = icmp eq i32 %14, 0
  br i1 %.not26, label %15, label %.sink.split

15:                                               ; preds = %13
  %16 = tail call noalias ptr @malloc(i64 noundef %11) #5
  %17 = icmp eq ptr %16, null
  br i1 %17, label %.sink.split, label %18

18:                                               ; preds = %15
  %19 = tail call i64 @fread(ptr noundef nonnull %16, i64 noundef %11, i64 noundef 1, ptr noundef nonnull %6)
  %.not27 = icmp eq i64 %19, 1
  br i1 %.not27, label %20, label %.sink.split.sink.split

20:                                               ; preds = %18
  %21 = tail call i32 @LLVMFuzzerTestOneInput(ptr noundef nonnull %16, i64 noundef %11) #6
  br label %.sink.split.sink.split

.sink.split.sink.split:                           ; preds = %18, %20
  %.0.ph.ph = phi i32 [ 0, %20 ], [ 2, %18 ]
  tail call void @free(ptr noundef nonnull %16) #6
  br label %.sink.split

.sink.split:                                      ; preds = %.sink.split.sink.split, %15, %13, %10, %8
  %.0.ph = phi i32 [ 2, %8 ], [ 2, %10 ], [ 2, %13 ], [ 2, %15 ], [ %.0.ph.ph, %.sink.split.sink.split ]
  %22 = tail call i32 @fclose(ptr noundef nonnull %6)
  br label %23

23:                                               ; preds = %.sink.split, %3, %2
  %.0 = phi i32 [ 1, %2 ], [ 2, %3 ], [ %.0.ph, %.sink.split ]
  ret i32 %.0
}

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fseek(ptr nocapture noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i64 @ftell(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i64 @fread(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

declare i32 @LLVMFuzzerTestOneInput(ptr noundef, i64 noundef) local_unnamed_addr #4

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 = { nofree 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 #2 = { 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 #3 = { 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 #4 = { "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass