; LLVM IR from PaddlePaddle/FastDeploy :: fastdeploy/encryption/util/src/io_utils.ll (ZN10fastdeploy6ioutil9read_fileEPKcPPhPm)

; 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.1 = external hidden unnamed_addr constant [33 x i8], align 1
@__FUNCTION__._ZN10fastdeploy6ioutil9read_fileEPKcPPhPm = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN10fastdeploy6ioutil9read_fileEPKcPPhPm(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store ptr null, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = call noalias ptr @fopen(ptr noundef %10, ptr noundef @.str)
  store ptr %11, ptr %8, align 8, !tbaa !5
  %12 = load ptr, ptr %8, align 8, !tbaa !5
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %17

14:                                               ; preds = %3
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, ptr noundef @__FUNCTION__._ZN10fastdeploy6ioutil9read_fileEPKcPPhPm, i32 noundef 39, ptr noundef %15)
  store i32 100, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %38

17:                                               ; preds = %3
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = call i32 @fseek(ptr noundef %18, i64 noundef 0, i32 noundef 2)
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = call i64 @ftell(ptr noundef %20)
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  store i64 %21, ptr %22, align 8, !tbaa !9
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = mul i64 1, %24
  %26 = call noalias ptr @malloc(i64 noundef %25) #5
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %26, ptr %27, align 8, !tbaa !5
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = call i32 @fseek(ptr noundef %28, i64 noundef 0, i32 noundef 0)
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = load ptr, ptr %30, align 8, !tbaa !5
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = load i64, ptr %32, align 8, !tbaa !9
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = call i64 @fread(ptr noundef %31, i64 noundef 1, i64 noundef %33, ptr noundef %34)
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = call i32 @fclose(ptr noundef %36)
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %38

38:                                               ; preds = %17, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %39 = load i32, ptr %4, align 4
  ret i32 %39
}

; 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 @printf(ptr noundef, ...) #2

declare i32 @fseek(ptr noundef, i64 noundef, i32 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

declare i32 @fclose(ptr 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 = { 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 #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 }
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.1 = external hidden unnamed_addr constant [33 x i8], align 1
@__FUNCTION__._ZN10fastdeploy6ioutil9read_fileEPKcPPhPm = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local noundef range(i32 0, 101) i32 @_ZN10fastdeploy6ioutil9read_fileEPKcPPhPm(ptr noundef %0, ptr nocapture noundef %1, ptr nocapture noundef %2) local_unnamed_addr #0 {
  %4 = tail call noalias ptr @fopen(ptr noundef %0, ptr noundef nonnull @.str)
  %5 = icmp eq ptr %4, null
  br i1 %5, label %6, label %8

6:                                                ; preds = %3
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, ptr noundef nonnull @__FUNCTION__._ZN10fastdeploy6ioutil9read_fileEPKcPPhPm, i32 noundef 39, ptr noundef %0)
  br label %17

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

17:                                               ; preds = %8, %6
  %.0 = phi i32 [ 100, %6 ], [ 0, %8 ]
  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 @printf(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 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: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { 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 #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 = { 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