; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

14:                                               ; preds = %62, %2
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds i64, ptr %16, i64 1
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = icmp ult i64 %15, %18
  br i1 %19, label %20, label %65

20:                                               ; preds = %14
  %21 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = icmp ugt i64 %22, %23
  br i1 %24, label %25, label %55

25:                                               ; preds = %20
  %26 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = icmp eq i64 %27, %28
  br i1 %29, label %30, label %38

30:                                               ; preds = %25
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %31
  %33 = load i64, ptr %32, align 8, !tbaa !9
  %34 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %35 = load i64, ptr %34, align 8, !tbaa !9
  %36 = sub i64 %33, %35
  %37 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %36, ptr %37, align 8, !tbaa !9
  br label %54

38:                                               ; preds = %25
  %39 = load i64, ptr %6, align 8, !tbaa !9
  %40 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %39
  %41 = getelementptr inbounds i8, ptr %40, i64 5
  %42 = load i8, ptr %41, align 1, !tbaa !11
  store i8 %42, ptr %7, align 1, !tbaa !11
  %43 = load i64, ptr %6, align 8, !tbaa !9
  %44 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %43
  %45 = getelementptr inbounds i8, ptr %44, i64 1
  %46 = load i8, ptr %45, align 1, !tbaa !11
  %47 = load i64, ptr %6, align 8, !tbaa !9
  %48 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %47
  %49 = getelementptr inbounds i8, ptr %48, i64 5
  store i8 %46, ptr %49, align 1, !tbaa !11
  %50 = load i8, ptr %7, align 1, !tbaa !11
  %51 = load i64, ptr %6, align 8, !tbaa !9
  %52 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %51
  %53 = getelementptr inbounds i8, ptr %52, i64 1
  store i8 %50, ptr %53, align 1, !tbaa !11
  br label %54

54:                                               ; preds = %38, %30
  br label %62

55:                                               ; preds = %20
  %56 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %57 = load i64, ptr %56, align 8, !tbaa !9
  %58 = load i64, ptr %6, align 8, !tbaa !9
  %59 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %58
  %60 = load i64, ptr %59, align 8, !tbaa !9
  %61 = mul i64 %60, %57
  store i64 %61, ptr %59, align 8, !tbaa !9
  br label %62

62:                                               ; preds = %55, %54
  %63 = load i64, ptr %6, align 8, !tbaa !9
  %64 = add i64 %63, 1
  store i64 %64, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !12

65:                                               ; preds = %14
  %66 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %67 = load i64, ptr %66, align 8, !tbaa !9
  %68 = lshr i64 %67, 1
  %69 = load ptr, ptr %4, align 8, !tbaa !5
  %70 = getelementptr inbounds i64, ptr %69, i64 0
  store i64 %68, ptr %70, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, 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.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"}


; 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 #1 {
  %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 %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %xtraiter = and i64 %8, 1
  %9 = icmp eq i64 %8, 1
  br i1 %9, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %8, -2
  br label %.lr.ph

.lr.ph:                                           ; preds = %31, %.lr.ph.preheader.new
  %.014 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %32, %31 ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %31 ]
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = icmp ugt i64 %10, %.014
  br i1 %11, label %12, label %18

12:                                               ; preds = %.lr.ph
  %13 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %.014
  %14 = getelementptr inbounds i8, ptr %13, i64 5
  %15 = load i8, ptr %14, align 1, !tbaa !9
  %16 = getelementptr inbounds i8, ptr %13, i64 1
  %17 = load i8, ptr %16, align 1, !tbaa !9
  store i8 %17, ptr %14, align 1, !tbaa !9
  store i8 %15, ptr %16, align 1, !tbaa !9
  br label %.lr.ph.1

18:                                               ; preds = %.lr.ph
  %19 = mul i64 %10, %10
  store i64 %19, ptr %3, align 8, !tbaa !5
  br label %.lr.ph.1

.lr.ph.1:                                         ; preds = %12, %18
  %20 = or disjoint i64 %.014, 1
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = icmp ugt i64 %21, %20
  br i1 %22, label %25, label %23

23:                                               ; preds = %.lr.ph.1
  %24 = mul i64 %21, %21
  store i64 %24, ptr %3, align 8, !tbaa !5
  br label %31

25:                                               ; preds = %.lr.ph.1
  %26 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %20
  %27 = getelementptr inbounds i8, ptr %26, i64 5
  %28 = load i8, ptr %27, align 1, !tbaa !9
  %29 = getelementptr inbounds i8, ptr %26, i64 1
  %30 = load i8, ptr %29, align 1, !tbaa !9
  store i8 %30, ptr %27, align 1, !tbaa !9
  store i8 %28, ptr %29, align 1, !tbaa !9
  br label %31

31:                                               ; preds = %25, %23
  %32 = add nuw i64 %.014, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !10

._crit_edge.loopexit.unr-lcssa:                   ; preds = %31, %.lr.ph.preheader
  %.014.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %32, %31 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge.loopexit, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %33 = load i64, ptr %3, align 8, !tbaa !5
  %34 = icmp ugt i64 %33, %.014.unr
  br i1 %34, label %37, label %35

35:                                               ; preds = %.lr.ph.epil
  %36 = mul i64 %33, %33
  store i64 %36, ptr %3, align 8, !tbaa !5
  br label %._crit_edge.loopexit

37:                                               ; preds = %.lr.ph.epil
  %38 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %.014.unr
  %39 = getelementptr inbounds i8, ptr %38, i64 5
  %40 = load i8, ptr %39, align 1, !tbaa !9
  %41 = getelementptr inbounds i8, ptr %38, i64 1
  %42 = load i8, ptr %41, align 1, !tbaa !9
  store i8 %42, ptr %39, align 1, !tbaa !9
  store i8 %40, ptr %41, align 1, !tbaa !9
  br label %._crit_edge.loopexit

._crit_edge.loopexit:                             ; preds = %35, %37, %._crit_edge.loopexit.unr-lcssa
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %43 = phi i64 [ %.pre, %._crit_edge.loopexit ], [ %6, %2 ]
  %44 = lshr i64 %43, 1
  store i64 %44, 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.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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"}


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