; 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 i16, align 2
  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 2, 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 = or i64 %10, 51238316
  %12 = lshr i64 %11, 3
  %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 = %20, %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 %46

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 = lshr i64 %22, 3
  %24 = and i64 %23, 7
  %25 = or i64 %24, 1
  %26 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = shl i64 %27, %25
  store i64 %28, ptr %26, align 8, !tbaa !9
  %29 = load i64, ptr %6, align 8, !tbaa !9
  %30 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %29
  %31 = getelementptr inbounds i16, ptr %30, i64 2
  %32 = load i16, ptr %31, align 2, !tbaa !11
  store i16 %32, ptr %7, align 2, !tbaa !11
  %33 = load i64, ptr %6, align 8, !tbaa !9
  %34 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %33
  %35 = getelementptr inbounds i16, ptr %34, i64 0
  %36 = load i16, ptr %35, align 2, !tbaa !11
  %37 = load i64, ptr %6, align 8, !tbaa !9
  %38 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %37
  %39 = getelementptr inbounds i16, ptr %38, i64 2
  store i16 %36, ptr %39, align 2, !tbaa !11
  %40 = load i16, ptr %7, align 2, !tbaa !11
  %41 = load i64, ptr %6, align 8, !tbaa !9
  %42 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %41
  %43 = getelementptr inbounds i16, ptr %42, i64 0
  store i16 %40, ptr %43, align 2, !tbaa !11
  %44 = load i64, ptr %6, align 8, !tbaa !9
  %45 = add i64 %44, 2
  store i64 %45, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !13

46:                                               ; preds = %14
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %48 = load i64, ptr %47, align 8, !tbaa !9
  %49 = or i64 %48, 916010988
  %50 = xor i64 %49, 473199589
  %51 = load ptr, ptr %4, align 8, !tbaa !5
  %52 = getelementptr inbounds i64, ptr %51, i64 0
  store i64 %50, ptr %52, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, 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 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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 = 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 = lshr i64 %4, 3
  %6 = or i64 %5, 6404789
  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
  %invariant.gep = getelementptr inbounds i8, ptr %3, i64 4
  %.not = icmp eq i64 %8, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

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

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %11 = lshr i64 %9, 1
  %12 = add nuw i64 %11, 1
  %unroll_iter = and i64 %12, -2
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.09 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %28, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %.lr.ph ]
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = lshr i64 %13, 3
  %15 = and i64 %14, 6
  %16 = or disjoint i64 %15, 1
  %17 = shl i64 %13, %16
  store i64 %17, ptr %3, align 8, !tbaa !5
  %gep = getelementptr [1 x i64], ptr %invariant.gep, i64 0, i64 %.09
  %18 = load i16, ptr %gep, align 4, !tbaa !9
  %19 = trunc i64 %17 to i16
  store i16 %19, ptr %gep, align 4, !tbaa !9
  store i16 %18, ptr %3, align 8, !tbaa !9
  %20 = or disjoint i64 %.09, 2
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = lshr i64 %21, 3
  %23 = and i64 %22, 6
  %24 = or disjoint i64 %23, 1
  %25 = shl i64 %21, %24
  store i64 %25, ptr %3, align 8, !tbaa !5
  %gep.1 = getelementptr [1 x i64], ptr %invariant.gep, i64 0, i64 %20
  %26 = load i16, ptr %gep.1, align 4, !tbaa !9
  %27 = trunc i64 %25 to i16
  store i16 %27, ptr %gep.1, align 4, !tbaa !9
  store i16 %26, ptr %3, align 8, !tbaa !9
  %28 = add nuw i64 %.09, 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 %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !11

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.09.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %28, %.lr.ph ]
  %29 = and i64 %9, 2
  %lcmp.mod.not.not = icmp eq i64 %29, 0
  br i1 %lcmp.mod.not.not, label %.lr.ph.epil, label %._crit_edge.loopexit

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = lshr i64 %30, 3
  %32 = and i64 %31, 6
  %33 = or disjoint i64 %32, 1
  %34 = shl i64 %30, %33
  store i64 %34, ptr %3, align 8, !tbaa !5
  %gep.epil = getelementptr [1 x i64], ptr %invariant.gep, i64 0, i64 %.09.unr
  %35 = load i16, ptr %gep.epil, align 4, !tbaa !9
  %36 = trunc i64 %34 to i16
  store i16 %36, ptr %gep.epil, align 4, !tbaa !9
  store i16 %35, ptr %3, align 8, !tbaa !9
  br label %._crit_edge.loopexit

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

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %37 = phi i64 [ %.pre, %._crit_edge.loopexit ], [ %6, %2 ]
  %38 = and i64 %37, -916010989
  %39 = xor i64 %38, 715998217
  store i64 %39, 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 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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