; LLVM IR from shellphish/how2heap :: glibc_2.27 (fastbin_dup_into_stack)

; 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
@.str = external hidden unnamed_addr constant [132 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [47 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [29 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [70 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [95 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [239 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [87 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [65 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [89 x i8], align 1
@__PRETTY_FUNCTION__.main = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [7 x ptr], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  %11 = load ptr, ptr @stderr, align 8, !tbaa !5
  %12 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %11, ptr noundef @.str) #6
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef @.str.1) #6
  call void @llvm.lifetime.start.p0(i64 56, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %24, %0
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = icmp slt i32 %16, 7
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %27

19:                                               ; preds = %15
  %20 = call noalias ptr @malloc(i64 noundef 8) #7
  %21 = load i32, ptr %3, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [7 x ptr], ptr %2, i64 0, i64 %22
  store ptr %20, ptr %23, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %19
  %25 = load i32, ptr %3, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %3, align 4, !tbaa !9
  br label %15, !llvm.loop !11

27:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %37, %27
  %29 = load i32, ptr %4, align 4, !tbaa !9
  %30 = icmp slt i32 %29, 7
  br i1 %30, label %32, label %31

31:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %40

32:                                               ; preds = %28
  %33 = load i32, ptr %4, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [7 x ptr], ptr %2, i64 0, i64 %34
  %36 = load ptr, ptr %35, align 8, !tbaa !5
  call void @free(ptr noundef %36) #6
  br label %37

37:                                               ; preds = %32
  %38 = load i32, ptr %4, align 4, !tbaa !9
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %4, align 4, !tbaa !9
  br label %28, !llvm.loop !13

40:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %41 = load ptr, ptr @stderr, align 8, !tbaa !5
  %42 = getelementptr inbounds i8, ptr %5, i64 8
  %43 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %41, ptr noundef @.str.2, ptr noundef %42) #6
  %44 = load ptr, ptr @stderr, align 8, !tbaa !5
  %45 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %44, ptr noundef @.str.3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %46 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %46, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %47 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %47, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %48 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %48, ptr %8, align 8, !tbaa !5
  %49 = load ptr, ptr @stderr, align 8, !tbaa !5
  %50 = load ptr, ptr %6, align 8, !tbaa !5
  %51 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %49, ptr noundef @.str.4, ptr noundef %50) #6
  %52 = load ptr, ptr @stderr, align 8, !tbaa !5
  %53 = load ptr, ptr %7, align 8, !tbaa !5
  %54 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %52, ptr noundef @.str.5, ptr noundef %53) #6
  %55 = load ptr, ptr @stderr, align 8, !tbaa !5
  %56 = load ptr, ptr %8, align 8, !tbaa !5
  %57 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %55, ptr noundef @.str.6, ptr noundef %56) #6
  %58 = load ptr, ptr @stderr, align 8, !tbaa !5
  %59 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %58, ptr noundef @.str.7) #6
  %60 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %60) #6
  %61 = load ptr, ptr @stderr, align 8, !tbaa !5
  %62 = load ptr, ptr %6, align 8, !tbaa !5
  %63 = load ptr, ptr %6, align 8, !tbaa !5
  %64 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %61, ptr noundef @.str.8, ptr noundef %62, ptr noundef %63) #6
  %65 = load ptr, ptr @stderr, align 8, !tbaa !5
  %66 = load ptr, ptr %7, align 8, !tbaa !5
  %67 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %65, ptr noundef @.str.9, ptr noundef %66) #6
  %68 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef %68) #6
  %69 = load ptr, ptr @stderr, align 8, !tbaa !5
  %70 = load ptr, ptr %6, align 8, !tbaa !5
  %71 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %69, ptr noundef @.str.10, ptr noundef %70) #6
  %72 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %72) #6
  %73 = load ptr, ptr @stderr, align 8, !tbaa !5
  %74 = load ptr, ptr %6, align 8, !tbaa !5
  %75 = load ptr, ptr %7, align 8, !tbaa !5
  %76 = load ptr, ptr %6, align 8, !tbaa !5
  %77 = load ptr, ptr %6, align 8, !tbaa !5
  %78 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %73, ptr noundef @.str.11, ptr noundef %74, ptr noundef %75, ptr noundef %76, ptr noundef %77) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %79 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %79, ptr %9, align 8, !tbaa !5
  %80 = load ptr, ptr @stderr, align 8, !tbaa !5
  %81 = load ptr, ptr %9, align 8, !tbaa !5
  %82 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %80, ptr noundef @.str.4, ptr noundef %81) #6
  %83 = load ptr, ptr @stderr, align 8, !tbaa !5
  %84 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %85 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %83, ptr noundef @.str.5, ptr noundef %84) #6
  %86 = load ptr, ptr @stderr, align 8, !tbaa !5
  %87 = load ptr, ptr %6, align 8, !tbaa !5
  %88 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %86, ptr noundef @.str.12, ptr noundef %87) #6
  %89 = load ptr, ptr @stderr, align 8, !tbaa !5
  %90 = load ptr, ptr %6, align 8, !tbaa !5
  %91 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %89, ptr noundef @.str.13, ptr noundef %90) #6
  store i64 32, ptr %5, align 8, !tbaa !14
  %92 = load ptr, ptr @stderr, align 8, !tbaa !5
  %93 = load ptr, ptr %6, align 8, !tbaa !5
  %94 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %92, ptr noundef @.str.14, ptr noundef %93) #6
  %95 = getelementptr inbounds i8, ptr %5, i64 -8
  %96 = ptrtoint ptr %95 to i64
  %97 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 %96, ptr %97, align 8, !tbaa !14
  %98 = load ptr, ptr @stderr, align 8, !tbaa !5
  %99 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %100 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %98, ptr noundef @.str.15, ptr noundef %99) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %101 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %101, ptr %10, align 8, !tbaa !5
  %102 = load ptr, ptr @stderr, align 8, !tbaa !5
  %103 = load ptr, ptr %10, align 8, !tbaa !5
  %104 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %102, ptr noundef @.str.16, ptr noundef %103) #6
  %105 = load ptr, ptr %10, align 8, !tbaa !5
  %106 = getelementptr inbounds i8, ptr %5, i64 8
  %107 = icmp eq ptr %105, %106
  br i1 %107, label %108, label %109

108:                                              ; preds = %40
  br label %110

109:                                              ; preds = %40
  call void @__assert_fail(ptr noundef @.str.17, ptr noundef @.str.18, i32 noundef 72, ptr noundef @__PRETTY_FUNCTION__.main) #9
  unreachable

110:                                              ; preds = %108
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %2) #6
  %111 = load i32, ptr %1, align 4
  ret i32 %111
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #1

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #4

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #5

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 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind allocsize(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 allocsize(0,1) "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 #5 = { noreturn 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 #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }
attributes #8 = { nounwind allocsize(0,1) }
attributes #9 = { noreturn 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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !15, i64 0}
!15 = !{!"long 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [132 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [47 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [29 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [70 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [95 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [239 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [87 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [65 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [89 x i8], align 1
@__PRETTY_FUNCTION__.main = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: noreturn nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
.preheader.preheader:
  %0 = alloca i64, align 8
  %1 = load ptr, ptr @stderr, align 8, !tbaa !5
  %2 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %1, ptr noundef nonnull @.str) #6
  %3 = load ptr, ptr @stderr, align 8, !tbaa !5
  %4 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %3, ptr noundef nonnull @.str.1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %0) #7
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str.2, ptr noundef nonnull %6) #6
  %8 = load ptr, ptr @stderr, align 8, !tbaa !5
  %9 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %8, ptr noundef nonnull @.str.3) #6
  %10 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %11 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %12 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef nonnull @.str.4, ptr noundef %10) #6
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef nonnull @.str.5, ptr noundef %11) #6
  %17 = load ptr, ptr @stderr, align 8, !tbaa !5
  %18 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %17, ptr noundef nonnull @.str.6, ptr noundef %12) #6
  %19 = load ptr, ptr @stderr, align 8, !tbaa !5
  %20 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef nonnull @.str.7) #6
  call void @free(ptr noundef %10) #7
  %21 = load ptr, ptr @stderr, align 8, !tbaa !5
  %22 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef nonnull @.str.8, ptr noundef %10, ptr noundef %10) #6
  %23 = load ptr, ptr @stderr, align 8, !tbaa !5
  %24 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %23, ptr noundef nonnull @.str.9, ptr noundef %11) #6
  call void @free(ptr noundef %11) #7
  %25 = load ptr, ptr @stderr, align 8, !tbaa !5
  %26 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %25, ptr noundef nonnull @.str.10, ptr noundef %10) #6
  call void @free(ptr noundef %10) #7
  %27 = load ptr, ptr @stderr, align 8, !tbaa !5
  %28 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %27, ptr noundef nonnull @.str.11, ptr noundef %10, ptr noundef %11, ptr noundef %10, ptr noundef %10) #6
  %29 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %30 = load ptr, ptr @stderr, align 8, !tbaa !5
  %31 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %30, ptr noundef nonnull @.str.4, ptr noundef %29) #6
  %32 = load ptr, ptr @stderr, align 8, !tbaa !5
  %33 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %34 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %32, ptr noundef nonnull @.str.5, ptr noundef %33) #6
  %35 = load ptr, ptr @stderr, align 8, !tbaa !5
  %36 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %35, ptr noundef nonnull @.str.12, ptr noundef %10) #6
  %37 = load ptr, ptr @stderr, align 8, !tbaa !5
  %38 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %37, ptr noundef nonnull @.str.13, ptr noundef %10) #6
  store i64 32, ptr %0, align 8, !tbaa !9
  %39 = load ptr, ptr @stderr, align 8, !tbaa !5
  %40 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %39, ptr noundef nonnull @.str.14, ptr noundef %10) #6
  %41 = getelementptr inbounds i8, ptr %0, i64 -8
  %42 = ptrtoint ptr %41 to i64
  store i64 %42, ptr %29, align 8, !tbaa !9
  %43 = load ptr, ptr @stderr, align 8, !tbaa !5
  %44 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %45 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %43, ptr noundef nonnull @.str.15, ptr noundef %44) #6
  %46 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %47 = load ptr, ptr @stderr, align 8, !tbaa !5
  %48 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %47, ptr noundef nonnull @.str.16, ptr noundef %46) #6
  call void @__assert_fail(ptr noundef nonnull @.str.17, ptr noundef nonnull @.str.18, i32 noundef 72, ptr noundef nonnull @__PRETTY_FUNCTION__.main) #9
  unreachable
}

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #4

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #5

attributes #0 = { 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 #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { noreturn 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 #6 = { cold nounwind }
attributes #7 = { nounwind }
attributes #8 = { nounwind allocsize(0,1) }
attributes #9 = { noreturn 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 long", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass