; LLVM IR from hurdad/alenka-distributed :: src (clog)

; 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"

@stderr = external global ptr, align 8
@_ZL9logStream = external hidden global ptr, align 8
@.str.9 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z14prepareTSDKeysv() #0

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z15set_debug_level9CLogLevel(i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local zeroext i1 @log_init(i32 noundef %0, ptr noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  %5 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z15set_debug_level9CLogLevel(i32 noundef %5)
  call void @_Z14prepareTSDKeysv()
  %6 = load ptr, ptr %4, align 8, !tbaa !9
  %7 = call noalias ptr @fopen(ptr noundef %6, ptr noundef @.str.9)
  store ptr %7, ptr @_ZL9logStream, align 8, !tbaa !9
  %8 = load ptr, ptr @_ZL9logStream, align 8, !tbaa !9
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %16

10:                                               ; preds = %2
  %11 = load ptr, ptr @stderr, align 8, !tbaa !9
  %12 = call ptr @__errno_location() #5
  %13 = load i32, ptr %12, align 4, !tbaa !11
  %14 = call ptr @strerror(i32 noundef %13) #6
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %11, ptr noundef @.str.10, ptr noundef %14) #6
  br label %16

16:                                               ; preds = %10, %2
  unreachable
}

declare noalias ptr @fopen(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind
declare ptr @strerror(i32 noundef) #1

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #4

attributes #0 = { mustprogress 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 = { 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 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 = { "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 willreturn memory(none) "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 willreturn memory(none) }
attributes #6 = { 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 = !{!"_ZTS9CLogLevel", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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"

@stderr = external local_unnamed_addr global ptr, align 8
@_ZL9logStream = external hidden local_unnamed_addr global ptr, align 8
@.str.9 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z14prepareTSDKeysv() local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z15set_debug_level9CLogLevel(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress noreturn nounwind uwtable
define dso_local noundef zeroext i1 @log_init(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #2 {
  tail call void @_Z15set_debug_level9CLogLevel(i32 noundef %0)
  tail call void @_Z14prepareTSDKeysv()
  %3 = tail call noalias ptr @fopen(ptr noundef %1, ptr noundef nonnull @.str.9)
  store ptr %3, ptr @_ZL9logStream, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  tail call void @llvm.assume(i1 %4)
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = tail call ptr @__errno_location() #6
  %7 = load i32, ptr %6, align 4, !tbaa !9
  %8 = tail call ptr @strerror(i32 noundef %7) #7
  %9 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str.10, ptr noundef %8) #8
  unreachable
}

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: nounwind
declare ptr @strerror(i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
declare void @llvm.assume(i1 noundef) #5

attributes #0 = { mustprogress 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 noreturn 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 "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 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
attributes #6 = { nounwind willreturn memory(none) }
attributes #7 = { nounwind }
attributes #8 = { cold 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


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