; LLVM IR from shellphish/how2heap :: glibc_2.32 (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 [107 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [116 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [65 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.20 = 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 [2 x i64], align 16
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef @.str) #6
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, 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 %17

17:                                               ; preds = %26, %0
  %18 = load i32, ptr %3, align 4, !tbaa !9
  %19 = icmp slt i32 %18, 7
  br i1 %19, label %21, label %20

20:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %29

21:                                               ; preds = %17
  %22 = call noalias ptr @malloc(i64 noundef 8) #7
  %23 = load i32, ptr %3, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [7 x ptr], ptr %2, i64 0, i64 %24
  store ptr %22, ptr %25, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %21
  %27 = load i32, ptr %3, align 4, !tbaa !9
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %3, align 4, !tbaa !9
  br label %17, !llvm.loop !11

29:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %39, %29
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = icmp slt i32 %31, 7
  br i1 %32, label %34, label %33

33:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %42

34:                                               ; preds = %30
  %35 = load i32, ptr %4, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [7 x ptr], ptr %2, i64 0, i64 %36
  %38 = load ptr, ptr %37, align 8, !tbaa !5
  call void @free(ptr noundef %38) #6
  br label %39

39:                                               ; preds = %34
  %40 = load i32, ptr %4, align 4, !tbaa !9
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %4, align 4, !tbaa !9
  br label %30, !llvm.loop !13

42:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 16, ptr %5) #6
  %43 = load ptr, ptr @stderr, align 8, !tbaa !5
  %44 = getelementptr inbounds [2 x i64], ptr %5, i64 0, i64 0
  %45 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %43, ptr noundef @.str.2, ptr noundef %44) #6
  %46 = load ptr, ptr @stderr, align 8, !tbaa !5
  %47 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %46, ptr noundef @.str.3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %48 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %48, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %49 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %49, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %50 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %50, ptr %8, align 8, !tbaa !5
  %51 = load ptr, ptr @stderr, align 8, !tbaa !5
  %52 = load ptr, ptr %6, align 8, !tbaa !5
  %53 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %51, ptr noundef @.str.4, ptr noundef %52) #6
  %54 = load ptr, ptr @stderr, align 8, !tbaa !5
  %55 = load ptr, ptr %7, align 8, !tbaa !5
  %56 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %54, ptr noundef @.str.5, ptr noundef %55) #6
  %57 = load ptr, ptr @stderr, align 8, !tbaa !5
  %58 = load ptr, ptr %8, align 8, !tbaa !5
  %59 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %57, ptr noundef @.str.6, ptr noundef %58) #6
  %60 = load ptr, ptr @stderr, align 8, !tbaa !5
  %61 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %60, ptr noundef @.str.7) #6
  %62 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %62) #6
  %63 = load ptr, ptr @stderr, align 8, !tbaa !5
  %64 = load ptr, ptr %6, align 8, !tbaa !5
  %65 = load ptr, ptr %6, align 8, !tbaa !5
  %66 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %63, ptr noundef @.str.8, ptr noundef %64, ptr noundef %65) #6
  %67 = load ptr, ptr @stderr, align 8, !tbaa !5
  %68 = load ptr, ptr %7, align 8, !tbaa !5
  %69 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %67, ptr noundef @.str.9, ptr noundef %68) #6
  %70 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef %70) #6
  %71 = load ptr, ptr @stderr, align 8, !tbaa !5
  %72 = load ptr, ptr %6, align 8, !tbaa !5
  %73 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %71, ptr noundef @.str.10, ptr noundef %72) #6
  %74 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %74) #6
  %75 = load ptr, ptr @stderr, align 8, !tbaa !5
  %76 = load ptr, ptr %6, align 8, !tbaa !5
  %77 = load ptr, ptr %7, align 8, !tbaa !5
  %78 = load ptr, ptr %6, align 8, !tbaa !5
  %79 = load ptr, ptr %6, align 8, !tbaa !5
  %80 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %75, ptr noundef @.str.11, ptr noundef %76, ptr noundef %77, ptr noundef %78, ptr noundef %79) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %81 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %81, ptr %9, align 8, !tbaa !5
  %82 = load ptr, ptr @stderr, align 8, !tbaa !5
  %83 = load ptr, ptr %9, align 8, !tbaa !5
  %84 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %82, ptr noundef @.str.4, ptr noundef %83) #6
  %85 = load ptr, ptr @stderr, align 8, !tbaa !5
  %86 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %87 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %85, ptr noundef @.str.5, ptr noundef %86) #6
  %88 = load ptr, ptr @stderr, align 8, !tbaa !5
  %89 = load ptr, ptr %6, align 8, !tbaa !5
  %90 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %88, ptr noundef @.str.12, ptr noundef %89) #6
  %91 = load ptr, ptr @stderr, align 8, !tbaa !5
  %92 = load ptr, ptr %6, align 8, !tbaa !5
  %93 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %91, ptr noundef @.str.13, ptr noundef %92) #6
  %94 = getelementptr inbounds [2 x i64], ptr %5, i64 0, i64 1
  store i64 32, ptr %94, align 8, !tbaa !14
  %95 = load ptr, ptr @stderr, align 8, !tbaa !5
  %96 = load ptr, ptr %6, align 8, !tbaa !5
  %97 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %95, ptr noundef @.str.14, ptr noundef %96) #6
  %98 = load ptr, ptr @stderr, align 8, !tbaa !5
  %99 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %98, ptr noundef @.str.15) #6
  %100 = load ptr, ptr @stderr, align 8, !tbaa !5
  %101 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %100, ptr noundef @.str.16) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %102 = getelementptr inbounds [2 x i64], ptr %5, i64 0, i64 0
  %103 = ptrtoint ptr %102 to i64
  store i64 %103, ptr %10, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %104 = load ptr, ptr %9, align 8, !tbaa !5
  %105 = ptrtoint ptr %104 to i64
  store i64 %105, ptr %11, align 8, !tbaa !14
  %106 = load i64, ptr %11, align 8, !tbaa !14
  %107 = lshr i64 %106, 12
  %108 = load i64, ptr %10, align 8, !tbaa !14
  %109 = xor i64 %107, %108
  %110 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 %109, ptr %110, align 8, !tbaa !14
  %111 = load ptr, ptr @stderr, align 8, !tbaa !5
  %112 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %113 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %111, ptr noundef @.str.17, ptr noundef %112) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %114 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  store ptr %114, ptr %12, align 8, !tbaa !5
  %115 = load ptr, ptr @stderr, align 8, !tbaa !5
  %116 = load ptr, ptr %12, align 8, !tbaa !5
  %117 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %115, ptr noundef @.str.18, ptr noundef %116) #6
  %118 = load ptr, ptr %12, align 8, !tbaa !5
  %119 = ptrtoint ptr %118 to i64
  %120 = getelementptr inbounds [2 x i64], ptr %5, i64 0, i64 0
  %121 = ptrtoint ptr %120 to i64
  %122 = add i64 %121, 16
  %123 = icmp eq i64 %119, %122
  br i1 %123, label %124, label %125

124:                                              ; preds = %42
  br label %126

125:                                              ; preds = %42
  call void @__assert_fail(ptr noundef @.str.19, ptr noundef @.str.20, i32 noundef 76, ptr noundef @__PRETTY_FUNCTION__.main) #9
  unreachable

126:                                              ; preds = %124
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  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 16, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %2) #6
  %127 = load i32, ptr %1, align 4
  ret i32 %127
}

; 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", !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 [107 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [116 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [65 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.20 = 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 noundef i32 @main() local_unnamed_addr #0 {
.preheader.preheader:
  %0 = alloca [2 x i64], align 16
  %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 16, ptr nonnull %0) #7
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str.2, ptr noundef nonnull %0) #6
  %7 = load ptr, ptr @stderr, align 8, !tbaa !5
  %8 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %7, ptr noundef nonnull @.str.3) #6
  %9 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %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 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef nonnull @.str.4, ptr noundef %9) #6
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef nonnull @.str.5, ptr noundef %10) #6
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef nonnull @.str.6, ptr noundef %11) #6
  %18 = load ptr, ptr @stderr, align 8, !tbaa !5
  %19 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %18, ptr noundef nonnull @.str.7) #6
  call void @free(ptr noundef %9) #7
  %20 = load ptr, ptr @stderr, align 8, !tbaa !5
  %21 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %20, ptr noundef nonnull @.str.8, ptr noundef %9, ptr noundef %9) #6
  %22 = load ptr, ptr @stderr, align 8, !tbaa !5
  %23 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef nonnull @.str.9, ptr noundef %10) #6
  call void @free(ptr noundef %10) #7
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef nonnull @.str.10, ptr noundef %9) #6
  call void @free(ptr noundef %9) #7
  %26 = load ptr, ptr @stderr, align 8, !tbaa !5
  %27 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %26, ptr noundef nonnull @.str.11, ptr noundef %9, ptr noundef %10, ptr noundef %9, ptr noundef %9) #6
  %28 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %29 = load ptr, ptr @stderr, align 8, !tbaa !5
  %30 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %29, ptr noundef nonnull @.str.4, ptr noundef %28) #6
  %31 = load ptr, ptr @stderr, align 8, !tbaa !5
  %32 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %31, ptr noundef nonnull @.str.5, ptr noundef %32) #6
  %34 = load ptr, ptr @stderr, align 8, !tbaa !5
  %35 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %34, ptr noundef nonnull @.str.12, ptr noundef %9) #6
  %36 = load ptr, ptr @stderr, align 8, !tbaa !5
  %37 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %36, ptr noundef nonnull @.str.13, ptr noundef %9) #6
  %38 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 32, ptr %38, 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 %9) #6
  %41 = load ptr, ptr @stderr, align 8, !tbaa !5
  %42 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %41, ptr noundef nonnull @.str.15) #6
  %43 = load ptr, ptr @stderr, align 8, !tbaa !5
  %44 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %43, ptr noundef nonnull @.str.16) #6
  %45 = ptrtoint ptr %0 to i64
  %46 = ptrtoint ptr %28 to i64
  %47 = lshr i64 %46, 12
  %48 = xor i64 %47, %45
  store i64 %48, ptr %28, align 8, !tbaa !9
  %49 = load ptr, ptr @stderr, align 8, !tbaa !5
  %50 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %51 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %49, ptr noundef nonnull @.str.17, ptr noundef %50) #6
  %52 = call noalias dereferenceable_or_null(8) ptr @calloc(i64 noundef 1, i64 noundef 8) #8
  %53 = load ptr, ptr @stderr, align 8, !tbaa !5
  %54 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %53, ptr noundef nonnull @.str.18, ptr noundef %52) #6
  %55 = ptrtoint ptr %52 to i64
  %56 = add i64 %45, 16
  %57 = icmp eq i64 %56, %55
  br i1 %57, label %59, label %58

58:                                               ; preds = %.preheader.preheader
  call void @__assert_fail(ptr noundef nonnull @.str.19, ptr noundef nonnull @.str.20, i32 noundef 76, ptr noundef nonnull @__PRETTY_FUNCTION__.main) #9
  unreachable

59:                                               ; preds = %.preheader.preheader
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %0) #7
  ret i32 0
}

; 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.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 = { 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", !7, i64 0}


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