; 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 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 = and i64 %11, 914778474
  %13 = shl i64 %12, 7
  %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 = %57, %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 %60

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

22:                                               ; preds = %54, %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 %57

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 = lshr i64 %32, 1
  %34 = and i64 %33, 7
  %35 = or i64 %34, 1
  %36 = shl i64 %31, %35
  %37 = icmp ugt i64 %30, %36
  br i1 %37, label %38, label %54

38:                                               ; preds = %28
  %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 1
  %42 = load i8, ptr %41, align 1, !tbaa !11
  store i8 %42, ptr %8, 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 7
  %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 1
  store i8 %46, ptr %49, align 1, !tbaa !11
  %50 = load i8, ptr %8, 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 7
  store i8 %50, ptr %53, align 1, !tbaa !11
  br label %54

54:                                               ; preds = %38, %28
  %55 = load i64, ptr %6, align 8, !tbaa !9
  %56 = add i64 %55, 2
  store i64 %56, ptr %6, align 8, !tbaa !9
  br label %22, !llvm.loop !12

57:                                               ; preds = %22
  %58 = load i64, ptr %7, align 8, !tbaa !9
  %59 = add i64 %58, 1
  store i64 %59, ptr %7, align 8, !tbaa !9
  br label %15, !llvm.loop !14

60:                                               ; preds = %15
  %61 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %62 = load i64, ptr %61, align 8, !tbaa !9
  %63 = xor i64 %62, 413141921
  %64 = load ptr, ptr %4, align 8, !tbaa !5
  %65 = getelementptr inbounds i64, ptr %64, i64 0
  store i64 %63, ptr %65, 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.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"}
!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: 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 = shl i64 %4, 7
  %6 = and i64 %5, 117091644672
  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

.preheader.preheader:                             ; preds = %2
  %9 = add i64 %8, -1
  %10 = lshr i64 %9, 1
  %11 = add nuw i64 %10, 1
  %12 = icmp ult i64 %8, 3
  %unroll_iter = and i64 %11, -2
  %13 = and i64 %9, 2
  %lcmp.mod.not.not = icmp eq i64 %13, 0
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.epilog-lcssa
  %.01416 = phi i64 [ %48, %.epilog-lcssa ], [ 0, %.preheader.preheader ]
  %14 = lshr i64 %.01416, 1
  %15 = and i64 %14, 6
  %16 = or disjoint i64 %15, 1
  br i1 %12, label %.unr-lcssa, label %.preheader.new

.preheader.new:                                   ; preds = %.preheader, %37
  %.015 = phi i64 [ %38, %37 ], [ 0, %.preheader ]
  %niter = phi i64 [ %niter.next.1, %37 ], [ 0, %.preheader ]
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = shl i64 %.015, %16
  %19 = icmp ugt i64 %17, %18
  br i1 %19, label %20, label %26

20:                                               ; preds = %.preheader.new
  %21 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %.015
  %22 = getelementptr inbounds i8, ptr %21, i64 1
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = getelementptr inbounds i8, ptr %21, i64 7
  %25 = load i8, ptr %24, align 1, !tbaa !9
  store i8 %25, ptr %22, align 1, !tbaa !9
  store i8 %23, ptr %24, align 1, !tbaa !9
  br label %26

26:                                               ; preds = %20, %.preheader.new
  %27 = or disjoint i64 %.015, 2
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = shl i64 %27, %16
  %30 = icmp ugt i64 %28, %29
  br i1 %30, label %31, label %37

31:                                               ; preds = %26
  %32 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %27
  %33 = getelementptr inbounds i8, ptr %32, i64 1
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = getelementptr inbounds i8, ptr %32, i64 7
  %36 = load i8, ptr %35, align 1, !tbaa !9
  store i8 %36, ptr %33, align 1, !tbaa !9
  store i8 %34, ptr %35, align 1, !tbaa !9
  br label %37

37:                                               ; preds = %31, %26
  %38 = add nuw i64 %.015, 4
  %niter.next.1 = add nuw i64 %niter, 2
  %niter.ncmp.1.not = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1.not, label %.unr-lcssa, label %.preheader.new, !llvm.loop !10

.unr-lcssa:                                       ; preds = %37, %.preheader
  %.015.unr = phi i64 [ 0, %.preheader ], [ %38, %37 ]
  br i1 %lcmp.mod.not.not, label %.epil.preheader, label %.epilog-lcssa

.epil.preheader:                                  ; preds = %.unr-lcssa
  %39 = load i64, ptr %3, align 8, !tbaa !5
  %40 = shl i64 %.015.unr, %16
  %41 = icmp ugt i64 %39, %40
  br i1 %41, label %42, label %.epilog-lcssa

42:                                               ; preds = %.epil.preheader
  %43 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %.015.unr
  %44 = getelementptr inbounds i8, ptr %43, i64 1
  %45 = load i8, ptr %44, align 1, !tbaa !9
  %46 = getelementptr inbounds i8, ptr %43, i64 7
  %47 = load i8, ptr %46, align 1, !tbaa !9
  store i8 %47, ptr %44, align 1, !tbaa !9
  store i8 %45, ptr %46, align 1, !tbaa !9
  br label %.epilog-lcssa

.epilog-lcssa:                                    ; preds = %.epil.preheader, %42, %.unr-lcssa
  %48 = add nuw i64 %.01416, 1
  %exitcond.not = icmp eq i64 %48, %8
  br i1 %exitcond.not, label %._crit_edge.loopexit, label %.preheader, !llvm.loop !12

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

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %49 = phi i64 [ %.pre, %._crit_edge.loopexit ], [ %6, %2 ]
  %50 = xor i64 %49, 413141921
  store i64 %50, 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"}
!12 = distinct !{!12, !11}


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