; LLVM IR from PyCee/NUS_library :: src (NUS_save)

; 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.NUS_save = type { %struct.NUS_string_group }
%struct.NUS_string_group = type { ptr, i32 }

@.str.10 = external hidden unnamed_addr constant [55 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [33 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 i32 @printf(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 i32 @nus_save_set_variable(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %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 4, ptr %8) #3
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.NUS_save, ptr %10, i32 0, i32 0
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds { ptr, i32 }, ptr %11, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8
  %15 = getelementptr inbounds { ptr, i32 }, ptr %11, i32 0, i32 1
  %16 = load i32, ptr %15, align 8
  %17 = call i32 @nus_string_group_string_index(ptr %14, i32 %16, ptr noundef %12)
  store i32 %17, ptr %8, align 4, !tbaa !9
  %18 = icmp eq i32 %17, -1
  br i1 %18, label %19, label %21

19:                                               ; preds = %3
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.10)
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %32

21:                                               ; preds = %3
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.NUS_save, ptr %22, i32 0, i32 0
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = add i32 %24, 1
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = call i32 @nus_string_group_set(ptr noundef %23, i32 noundef %25, ptr noundef %26)
  %28 = icmp ne i32 %27, 1
  br i1 %28, label %29, label %31

29:                                               ; preds = %21
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.11)
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %32

31:                                               ; preds = %21
  store i32 1, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %32

32:                                               ; preds = %31, %29, %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %33 = load i32, ptr %4, align 4
  ret i32 %33
}

declare i32 @nus_string_group_string_index(ptr, i32, ptr noundef) #1

declare i32 @nus_string_group_set(ptr noundef, i32 noundef, ptr noundef) #1

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 = { 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 = !{!"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"

@.str.10 = external hidden unnamed_addr constant [55 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [33 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @nus_save_set_variable(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = load ptr, ptr %0, align 8
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i32, ptr %5, align 8
  %7 = tail call i32 @nus_string_group_string_index(ptr %4, i32 %6, ptr noundef %1) #3
  %8 = icmp eq i32 %7, -1
  br i1 %8, label %.sink.split, label %9

9:                                                ; preds = %3
  %10 = add nuw i32 %7, 1
  %11 = tail call i32 @nus_string_group_set(ptr noundef nonnull %0, i32 noundef %10, ptr noundef %2) #3
  %.not = icmp eq i32 %11, 1
  br i1 %.not, label %13, label %.sink.split

.sink.split:                                      ; preds = %9, %3
  %.str.11.sink = phi ptr [ @.str.10, %3 ], [ @.str.11, %9 ]
  %12 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.11.sink)
  br label %13

13:                                               ; preds = %.sink.split, %9
  %.0 = phi i32 [ 1, %9 ], [ 0, %.sink.split ]
  ret i32 %.0
}

declare i32 @nus_string_group_string_index(ptr, i32, ptr noundef) local_unnamed_addr #2

declare i32 @nus_string_group_set(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { 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 #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 }

!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,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass