; 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
  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
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i64, ptr %7, i64 0
  %9 = load i64, ptr %8, align 8, !tbaa !9
  %10 = add i64 %9, -10089659
  %11 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %10, ptr %11, align 8, !tbaa !9
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %29, %2
  %13 = load i64, ptr %6, align 8, !tbaa !9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds i64, ptr %14, i64 1
  %16 = load i64, ptr %15, align 8, !tbaa !9
  %17 = icmp ult i64 %13, %16
  br i1 %17, label %18, label %32

18:                                               ; preds = %12
  %19 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %20 = load i64, ptr %19, align 8, !tbaa !9
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = icmp ugt i64 %20, %21
  br i1 %22, label %29, label %23

23:                                               ; preds = %18
  %24 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = add i64 %27, %25
  store i64 %28, ptr %26, align 8, !tbaa !9
  br label %29

29:                                               ; preds = %23, %18
  %30 = load i64, ptr %6, align 8, !tbaa !9
  %31 = add i64 %30, 2
  store i64 %31, ptr %6, align 8, !tbaa !9
  br label %12, !llvm.loop !11

32:                                               ; preds = %12
  %33 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %34 = load i64, ptr %33, align 8, !tbaa !9
  %35 = add i64 %34, 792422477
  %36 = add i64 %35, -142252988
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds i64, ptr %37, i64 0
  store i64 %36, ptr %38, align 8, !tbaa !9
  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 = 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"

; 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 = load i64, ptr %0, align 8, !tbaa !5
  %4 = add i64 %3, -10089659
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %7 = add i64 %6, -1
  %8 = lshr i64 %7, 1
  %9 = add nuw i64 %8, 1
  %xtraiter = and i64 %9, 3
  %10 = icmp ult i64 %6, 7
  br i1 %10, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %9, -4
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.09 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %22, %.lr.ph ]
  %.sroa.0.08 = phi i64 [ %4, %.lr.ph.preheader.new ], [ %spec.select.3, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %11 = icmp ule i64 %.sroa.0.08, %.09
  %12 = zext i1 %11 to i64
  %spec.select = shl i64 %.sroa.0.08, %12
  %13 = or disjoint i64 %.09, 2
  %14 = icmp ule i64 %spec.select, %13
  %15 = zext i1 %14 to i64
  %spec.select.1 = shl i64 %spec.select, %15
  %16 = or disjoint i64 %.09, 4
  %17 = icmp ule i64 %spec.select.1, %16
  %18 = zext i1 %17 to i64
  %spec.select.2 = shl i64 %spec.select.1, %18
  %19 = or disjoint i64 %.09, 6
  %20 = icmp ule i64 %spec.select.2, %19
  %21 = zext i1 %20 to i64
  %spec.select.3 = shl i64 %spec.select.2, %21
  %22 = add nuw i64 %.09, 8
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3.not = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3.not, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %spec.select.lcssa.ph = phi i64 [ poison, %.lr.ph.preheader ], [ %spec.select.3, %.lr.ph ]
  %.09.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %22, %.lr.ph ]
  %.sroa.0.08.unr = phi i64 [ %4, %.lr.ph.preheader ], [ %spec.select.3, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %.09.epil = phi i64 [ %25, %.lr.ph.epil ], [ %.09.unr, %._crit_edge.loopexit.unr-lcssa ]
  %.sroa.0.08.epil = phi i64 [ %spec.select.epil, %.lr.ph.epil ], [ %.sroa.0.08.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %23 = icmp ule i64 %.sroa.0.08.epil, %.09.epil
  %24 = zext i1 %23 to i64
  %spec.select.epil = shl i64 %.sroa.0.08.epil, %24
  %25 = add nuw i64 %.09.epil, 2
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph.epil, !llvm.loop !11

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil, %2
  %.sroa.0.0.lcssa = phi i64 [ %4, %2 ], [ %spec.select.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %spec.select.epil, %.lr.ph.epil ]
  %26 = add i64 %.sroa.0.0.lcssa, 650169489
  store i64 %26, ptr %1, align 8, !tbaa !5
  ret void
}

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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}


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