; LLVM IR from tum-i4/obfuscation-benchmarks :: tigress-generated-programs (RandomFunc)

; 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"

; Function Attrs: nounwind uwtable
define dso_local void @RandomFunc(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [1 x i64], align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds i64, ptr %9, i64 0
  %11 = load i64, ptr %10, align 8, !tbaa !9
  %12 = add i64 %11, 914778474
  %13 = xor i64 %12, -832765941
  %14 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %13, ptr %14, align 8, !tbaa !9
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %72, %2
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds i64, ptr %17, i64 1
  %19 = load i64, ptr %18, align 8, !tbaa !9
  %20 = icmp ult i64 %16, %19
  br i1 %20, label %21, label %75

21:                                               ; preds = %15
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %22

22:                                               ; preds = %69, %21
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds i64, ptr %24, i64 1
  %26 = load i64, ptr %25, align 8, !tbaa !9
  %27 = icmp ult i64 %23, %26
  br i1 %27, label %28, label %72

28:                                               ; preds = %22
  %29 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = load i64, ptr %7, align 8, !tbaa !9
  %33 = add i64 %31, %32
  %34 = icmp eq i64 %30, %33
  br i1 %34, label %35, label %62

35:                                               ; preds = %28
  %36 = load i64, ptr %6, align 8, !tbaa !9
  %37 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %36
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = add i64 %38, %40
  %42 = and i64 %41, 15
  %43 = shl i64 %42, 2
  %44 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %45 = load i64, ptr %44, align 8, !tbaa !9
  %46 = or i64 %45, %43
  store i64 %46, ptr %44, align 8, !tbaa !9
  %47 = load i64, ptr %7, align 8, !tbaa !9
  %48 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %47
  %49 = getelementptr inbounds i8, ptr %48, i64 5
  %50 = load i8, ptr %49, align 1, !tbaa !11
  store i8 %50, ptr %8, align 1, !tbaa !11
  %51 = load i64, ptr %7, align 8, !tbaa !9
  %52 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %51
  %53 = getelementptr inbounds i8, ptr %52, i64 1
  %54 = load i8, ptr %53, align 1, !tbaa !11
  %55 = load i64, ptr %7, align 8, !tbaa !9
  %56 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i8, ptr %56, i64 5
  store i8 %54, ptr %57, align 1, !tbaa !11
  %58 = load i8, ptr %8, align 1, !tbaa !11
  %59 = load i64, ptr %7, align 8, !tbaa !9
  %60 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %59
  %61 = getelementptr inbounds i8, ptr %60, i64 1
  store i8 %58, ptr %61, align 1, !tbaa !11
  br label %69

62:                                               ; preds = %28
  %63 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %64 = load i64, ptr %63, align 8, !tbaa !9
  %65 = load i64, ptr %6, align 8, !tbaa !9
  %66 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %65
  %67 = load i64, ptr %66, align 8, !tbaa !9
  %68 = mul i64 %67, %64
  store i64 %68, ptr %66, align 8, !tbaa !9
  br label %69

69:                                               ; preds = %62, %35
  %70 = load i64, ptr %6, align 8, !tbaa !9
  %71 = add i64 %70, 2
  store i64 %71, ptr %6, align 8, !tbaa !9
  br label %22, !llvm.loop !12

72:                                               ; preds = %22
  %73 = load i64, ptr %7, align 8, !tbaa !9
  %74 = add i64 %73, 1
  store i64 %74, ptr %7, align 8, !tbaa !9
  br label %15, !llvm.loop !14

75:                                               ; preds = %15
  %76 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %77 = load i64, ptr %76, align 8, !tbaa !9
  %78 = add i64 %77, 886510463
  %79 = load ptr, ptr %4, align 8, !tbaa !5
  %80 = getelementptr inbounds i64, ptr %79, i64 0
  store i64 %78, ptr %80, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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"

; Function Attrs: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = alloca [1 x i64], align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #2
  %4 = load i64, ptr %0, align 8, !tbaa !5
  %5 = add i64 %4, 914778474
  %6 = xor i64 %5, -832765941
  store i64 %6, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load i64, ptr %7, align 8, !tbaa !5
  %.not = icmp eq i64 %8, 0
  br i1 %.not, label %._crit_edge, label %.preheader

.preheader:                                       ; preds = %2, %27
  %.01619 = phi i64 [ %28, %27 ], [ 0, %2 ]
  %9 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %.01619
  %10 = getelementptr inbounds i8, ptr %9, i64 5
  %11 = getelementptr inbounds i8, ptr %9, i64 1
  br label %12

12:                                               ; preds = %.preheader, %24
  %.018 = phi i64 [ 0, %.preheader ], [ %25, %24 ]
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = add i64 %.018, %.01619
  %15 = icmp eq i64 %13, %14
  br i1 %15, label %16, label %22

16:                                               ; preds = %12
  %17 = shl i64 %13, 3
  %18 = and i64 %17, 56
  %19 = or i64 %18, %13
  store i64 %19, ptr %3, align 8, !tbaa !5
  %20 = load i8, ptr %10, align 1, !tbaa !9
  %21 = load i8, ptr %11, align 1, !tbaa !9
  store i8 %21, ptr %10, align 1, !tbaa !9
  store i8 %20, ptr %11, align 1, !tbaa !9
  br label %24

22:                                               ; preds = %12
  %23 = mul i64 %13, %13
  store i64 %23, ptr %3, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %22, %16
  %25 = add nuw i64 %.018, 2
  %26 = icmp ult i64 %25, %8
  br i1 %26, label %12, label %27, !llvm.loop !10

27:                                               ; preds = %24
  %28 = add nuw i64 %.01619, 1
  %exitcond.not = icmp eq i64 %28, %8
  br i1 %exitcond.not, label %._crit_edge.loopexit, label %.preheader, !llvm.loop !12

._crit_edge.loopexit:                             ; preds = %27
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %29 = phi i64 [ %.pre, %._crit_edge.loopexit ], [ %6, %2 ]
  %30 = add i64 %29, 886510463
  store i64 %30, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #2
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: readwrite) 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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