; LLVM IR from opencryptoki/libzpc :: src (pvsecrets)

; 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.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [35 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 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: nounwind uwtable
define dso_local i64 @max_secrets() #2 {
  %1 = alloca i64, align 8
  %2 = alloca ptr, align 8
  %3 = alloca [8 x i8], align 1
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.memset.p0.i64(ptr align 1 %3, i8 0, i64 8, i1 false)
  %5 = call noalias ptr @fopen(ptr noundef @.str.2, ptr noundef @.str.1)
  store ptr %5, ptr %2, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %0
  store i64 0, ptr %1, align 8
  store i32 1, ptr %4, align 4
  br label %21

8:                                                ; preds = %0
  %9 = getelementptr inbounds [8 x i8], ptr %3, i64 0, i64 0
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = call i64 @fread(ptr noundef %9, i64 noundef 1, i64 noundef 8, ptr noundef %10)
  %12 = icmp eq i64 %11, 0
  br i1 %12, label %13, label %16

13:                                               ; preds = %8
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = call i32 @fclose(ptr noundef %14)
  store i64 0, ptr %1, align 8
  store i32 1, ptr %4, align 4
  br label %21

16:                                               ; preds = %8
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = call i32 @fclose(ptr noundef %17)
  %19 = getelementptr inbounds [8 x i8], ptr %3, i64 0, i64 0
  %20 = call i64 @atol(ptr noundef %19) #6
  store i64 %20, ptr %1, align 8
  store i32 1, ptr %4, align 4
  br label %21

21:                                               ; preds = %16, %13, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %22 = load i64, ptr %1, align 8
  ret i64 %22
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: inlinehint nounwind willreturn memory(read) uwtable
declare i64 @atol(ptr noundef nonnull) #4

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 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { inlinehint nounwind willreturn memory(read) 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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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"}


; 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.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [35 x i8], align 1

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

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

; Function Attrs: nofree nounwind uwtable
define dso_local i64 @max_secrets() local_unnamed_addr #2 {
  %1 = alloca [8 x i8], align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  store i64 0, ptr %1, align 8
  %2 = tail call noalias ptr @fopen(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1)
  %3 = icmp eq ptr %2, null
  br i1 %3, label %10, label %4

4:                                                ; preds = %0
  %5 = call i64 @fread(ptr noundef nonnull %1, i64 noundef 1, i64 noundef 8, ptr noundef nonnull %2)
  %6 = icmp eq i64 %5, 0
  %7 = tail call i32 @fclose(ptr noundef nonnull %2)
  br i1 %6, label %10, label %8

8:                                                ; preds = %4
  %9 = call i64 @atol(ptr nocapture noundef %1) #5
  br label %10

10:                                               ; preds = %4, %0, %8
  %.0 = phi i64 [ %9, %8 ], [ 0, %0 ], [ 0, %4 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i64 %.0
}

; Function Attrs: inlinehint mustprogress nofree nounwind willreturn memory(read) uwtable
declare i64 @atol(ptr nocapture noundef nonnull) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { inlinehint mustprogress nofree nounwind willreturn memory(read) 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 willreturn memory(read) }

!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)"}


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