; LLVM IR from gost-engine/engine :: e_gost_err (ERR_load_GOST_strings)

; 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.ERR_string_data_st = type { i64, ptr }

@lib_code = external hidden global i32, align 4
@error_loaded = external hidden global i32, align 4
@GOST_str_reasons = external hidden global [44 x %struct.ERR_string_data_st], align 16

; Function Attrs: nounwind uwtable
define dso_local i32 @ERR_load_GOST_strings() #0 {
  %1 = load i32, ptr @lib_code, align 4, !tbaa !5
  %2 = icmp eq i32 %1, 0
  br i1 %2, label %3, label %5

3:                                                ; preds = %0
  %4 = call i32 @ERR_get_next_error_library()
  store i32 %4, ptr @lib_code, align 4, !tbaa !5
  br label %5

5:                                                ; preds = %3, %0
  %6 = load i32, ptr @error_loaded, align 4, !tbaa !5
  %7 = icmp ne i32 %6, 0
  br i1 %7, label %11, label %8

8:                                                ; preds = %5
  %9 = load i32, ptr @lib_code, align 4, !tbaa !5
  %10 = call i32 @ERR_load_strings(i32 noundef %9, ptr noundef @GOST_str_reasons)
  store i32 1, ptr @error_loaded, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %8, %5
  ret i32 1
}

declare i32 @ERR_get_next_error_library() #1

declare i32 @ERR_load_strings(i32 noundef, ptr noundef) #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 = { "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" }

!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"}


; 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.ERR_string_data_st = type { i64, ptr }

@lib_code = external hidden local_unnamed_addr global i32, align 4
@error_loaded = external hidden local_unnamed_addr global i32, align 4
@GOST_str_reasons = external hidden global [44 x %struct.ERR_string_data_st], align 16

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @ERR_load_GOST_strings() local_unnamed_addr #0 {
  %1 = load i32, ptr @lib_code, align 4, !tbaa !5
  %2 = icmp eq i32 %1, 0
  br i1 %2, label %3, label %5

3:                                                ; preds = %0
  %4 = tail call i32 @ERR_get_next_error_library() #2
  store i32 %4, ptr @lib_code, align 4, !tbaa !5
  br label %5

5:                                                ; preds = %3, %0
  %6 = phi i32 [ %4, %3 ], [ %1, %0 ]
  %7 = load i32, ptr @error_loaded, align 4, !tbaa !5
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %8, label %10

8:                                                ; preds = %5
  %9 = tail call i32 @ERR_load_strings(i32 noundef %6, ptr noundef nonnull @GOST_str_reasons) #2
  store i32 1, ptr @error_loaded, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %8, %5
  ret i32 1
}

declare i32 @ERR_get_next_error_library() local_unnamed_addr #1

declare i32 @ERR_load_strings(i32 noundef, ptr noundef) local_unnamed_addr #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 = { "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 }

!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"}


; Effective O3 passes: GVNPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,TailCallElimPass