; LLVM IR from PaddlePaddle/FastDeploy :: fastdeploy/encryption/util/src (io_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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [52 x i8], align 1
@__FUNCTION__._ZN10fastdeploy6ioutil13read_with_posEPKcmPPhPm = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare noalias ptr @fopen(ptr noundef, ptr noundef) #1

declare i32 @printf(ptr noundef, ...) #1

declare i32 @fseek(ptr noundef, i64 noundef, i32 noundef) #1

declare i64 @ftell(ptr noundef) #1

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

declare i64 @fread(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #1

declare i32 @fclose(ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN10fastdeploy6ioutil13read_with_posEPKcmPPhPm(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) #3 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  store ptr null, ptr %10, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call noalias ptr @fopen(ptr noundef %13, ptr noundef @.str)
  store ptr %14, ptr %10, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %19

16:                                               ; preds = %4
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, ptr noundef @__FUNCTION__._ZN10fastdeploy6ioutil13read_with_posEPKcmPPhPm, i32 noundef 78, ptr noundef %17)
  store i32 100, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %46

19:                                               ; preds = %4
  %20 = load ptr, ptr %10, align 8, !tbaa !5
  %21 = call i32 @fseek(ptr noundef %20, i64 noundef 0, i32 noundef 2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %22 = load ptr, ptr %10, align 8, !tbaa !5
  %23 = call i64 @ftell(ptr noundef %22)
  store i64 %23, ptr %12, align 8, !tbaa !9
  %24 = load i64, ptr %12, align 8, !tbaa !9
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = sub i64 %24, %25
  %27 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 %26, ptr %27, align 8, !tbaa !9
  %28 = load i64, ptr %12, align 8, !tbaa !9
  %29 = load i64, ptr %7, align 8, !tbaa !9
  %30 = sub i64 %28, %29
  %31 = mul i64 1, %30
  %32 = call noalias ptr @malloc(i64 noundef %31) #5
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %32, ptr %33, align 8, !tbaa !5
  %34 = load ptr, ptr %10, align 8, !tbaa !5
  %35 = load i64, ptr %7, align 8, !tbaa !9
  %36 = call i32 @fseek(ptr noundef %34, i64 noundef %35, i32 noundef 0)
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = load ptr, ptr %37, align 8, !tbaa !5
  %39 = load i64, ptr %12, align 8, !tbaa !9
  %40 = load i64, ptr %7, align 8, !tbaa !9
  %41 = sub i64 %39, %40
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = call i64 @fread(ptr noundef %38, i64 noundef 1, i64 noundef %41, ptr noundef %42)
  %44 = load ptr, ptr %10, align 8, !tbaa !5
  %45 = call i32 @fclose(ptr noundef %44)
  store i32 0, ptr %5, align 4
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %46

46:                                               ; preds = %19, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %47 = load i32, ptr %5, align 4
  ret i32 %47
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 = { mustprogress 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 #4 = { nounwind }
attributes #5 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"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
@.str.3 = external hidden unnamed_addr constant [52 x i8], align 1
@__FUNCTION__._ZN10fastdeploy6ioutil13read_with_posEPKcmPPhPm = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fseek(ptr nocapture noundef, i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i64 @ftell(ptr nocapture noundef) local_unnamed_addr #0

; 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

; Function Attrs: nofree nounwind
declare noundef i64 @fread(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local noundef range(i32 0, 101) i32 @_ZN10fastdeploy6ioutil13read_with_posEPKcmPPhPm(ptr noundef %0, i64 noundef %1, ptr nocapture noundef %2, ptr nocapture noundef writeonly %3) local_unnamed_addr #2 {
  %5 = tail call noalias ptr @fopen(ptr noundef %0, ptr noundef nonnull @.str)
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %9

7:                                                ; preds = %4
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, ptr noundef nonnull @__FUNCTION__._ZN10fastdeploy6ioutil13read_with_posEPKcmPPhPm, i32 noundef 78, ptr noundef %0)
  br label %18

9:                                                ; preds = %4
  %10 = tail call i32 @fseek(ptr noundef nonnull %5, i64 noundef 0, i32 noundef 2)
  %11 = tail call i64 @ftell(ptr noundef nonnull %5)
  %12 = sub i64 %11, %1
  store i64 %12, ptr %3, align 8, !tbaa !5
  %13 = tail call noalias ptr @malloc(i64 noundef %12) #3
  store ptr %13, ptr %2, align 8, !tbaa !9
  %14 = tail call i32 @fseek(ptr noundef nonnull %5, i64 noundef %1, i32 noundef 0)
  %15 = load ptr, ptr %2, align 8, !tbaa !9
  %16 = tail call i64 @fread(ptr noundef %15, i64 noundef 1, i64 noundef %12, ptr noundef nonnull %5)
  %17 = tail call i32 @fclose(ptr noundef nonnull %5)
  br label %18

18:                                               ; preds = %9, %7
  %.0 = phi i32 [ 100, %7 ], [ 0, %9 ]
  ret i32 %.0
}

attributes #0 = { 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 #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 = { mustprogress nofree 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 #3 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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