; LLVM IR from opencryptoki/libzpc :: src/zkey/lib (util_file)

; 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"

%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@__func__.util_file_read_line = external hidden unnamed_addr constant [20 x i8], align 1
@.str = external hidden unnamed_addr constant [78 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @util_file_read_line(ptr noundef %0, i64 noundef %1, ptr noundef %2, ...) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [4096 x i8], align 16
  %8 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4096, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #4
  br label %9

9:                                                ; preds = %3
  %10 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %8, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %10)
  %11 = getelementptr inbounds [4096 x i8], ptr %7, i64 0, i64 0
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %8, i64 0, i64 0
  %14 = call i32 @__util_vsprintf(ptr noundef @__func__.util_file_read_line, ptr noundef @.str, i32 noundef 84, ptr noundef %11, ptr noundef %12, ptr noundef %13)
  %15 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %8, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %15)
  br label %16

16:                                               ; preds = %9
  br label %17

17:                                               ; preds = %16
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = getelementptr inbounds [4096 x i8], ptr %7, i64 0, i64 0
  %21 = call i32 @file_gets(ptr noundef %18, i64 noundef %19, ptr noundef %20)
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4096, ptr %7) #4
  ret i32 %21
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @file_gets(ptr noundef, i64 noundef, ptr noundef) #0

; 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 = { nocallback nofree nosync nounwind willreturn }
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 }

!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"}
!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"

%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@__func__.util_file_read_line = external hidden unnamed_addr constant [20 x i8], align 1
@.str = external hidden unnamed_addr constant [78 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @util_file_read_line(ptr noundef %0, i64 noundef %1, ptr noundef %2, ...) local_unnamed_addr #0 {
  %4 = alloca [4096 x i8], align 16
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 4096, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.va_start.p0(ptr nonnull %5)
  %6 = call i32 @__util_vsprintf(ptr noundef nonnull @__func__.util_file_read_line, ptr noundef nonnull @.str, i32 noundef 84, ptr noundef nonnull %4, ptr noundef %2, ptr noundef nonnull %5) #4
  call void @llvm.va_end.p0(ptr nonnull %5)
  %7 = call i32 @file_gets(ptr noundef %0, i64 noundef %1, ptr noundef nonnull %4)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4096, ptr nonnull %4) #4
  ret i32 %7
}

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

declare i32 @__util_vsprintf(ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @file_gets(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 }

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass