; LLVM IR from shellphish/how2heap :: glibc_2.32 (decrypt_safe_linking)

; 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"

@.str = external hidden unnamed_addr constant [95 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [98 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i64 @decrypt(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i64 %0, ptr %2, align 8, !tbaa !5
  %7 = call i32 @puts(ptr noundef @.str)
  %8 = call i32 @puts(ptr noundef @.str.1)
  %9 = call i32 @puts(ptr noundef @.str.2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %41, %1
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = icmp slt i32 %11, 6
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %44

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = mul nsw i32 12, %15
  %17 = sub nsw i32 64, %16
  store i32 %17, ptr %6, align 4, !tbaa !9
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = icmp slt i32 %18, 0
  br i1 %19, label %20, label %21

20:                                               ; preds = %14
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %20, %14
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = xor i64 %22, %23
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = zext i32 %25 to i64
  %27 = ashr i64 %24, %26
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = shl i64 %27, %29
  store i64 %30, ptr %4, align 8, !tbaa !5
  %31 = load i64, ptr %4, align 8, !tbaa !5
  %32 = ashr i64 %31, 12
  store i64 %32, ptr %3, align 8, !tbaa !5
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %33)
  %35 = load i64, ptr %3, align 8, !tbaa !5
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i64 noundef %35)
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = call i32 (ptr, ...) @printf(ptr noundef @.str.5, i64 noundef %37)
  %39 = load i64, ptr %2, align 8, !tbaa !5
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, i64 noundef %39)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %41

41:                                               ; preds = %21
  %42 = load i32, ptr %5, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %5, align 4, !tbaa !9
  br label %10, !llvm.loop !11

44:                                               ; preds = %13
  %45 = load i64, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret i64 %45
}

declare i32 @puts(ptr noundef) #1

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

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) #2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !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"}


; 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 = external hidden unnamed_addr constant [95 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [98 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local i64 @decrypt(i64 noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str)
  %3 = tail call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  %4 = tail call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  %5 = and i64 %0, -4503599627370496
  %6 = ashr exact i64 %5, 12
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef 1)
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i64 noundef %6)
  %9 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i64 noundef %5)
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i64 noundef %0)
  %.masked = and i64 %0, -1099511627776
  %11 = xor i64 %6, %.masked
  %12 = ashr exact i64 %11, 12
  %13 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef 2)
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i64 noundef %12)
  %15 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i64 noundef %11)
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i64 noundef %0)
  %.masked20 = and i64 %0, -268435456
  %17 = xor i64 %12, %.masked20
  %18 = ashr exact i64 %17, 12
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef 3)
  %20 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i64 noundef %18)
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i64 noundef %17)
  %22 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i64 noundef %0)
  %.masked21 = and i64 %0, -65536
  %23 = xor i64 %18, %.masked21
  %24 = ashr i64 %23, 12
  %25 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef 4)
  %26 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i64 noundef %24)
  %27 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i64 noundef %23)
  %28 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i64 noundef %0)
  %29 = xor i64 %24, %0
  %30 = and i64 %29, -16
  %31 = ashr i64 %29, 12
  %32 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef 5)
  %33 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i64 noundef %31)
  %34 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i64 noundef %30)
  %35 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i64 noundef %0)
  ret i64 %30
}

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

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

attributes #0 = { nofree 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" }

!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,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass