; 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 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 = add i64 %10, 914778474
  %12 = mul i64 %11, 67330564296145686
  %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 = %52, %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 %55

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 ult i64 %22, %23
  br i1 %24, label %25, label %45

25:                                               ; preds = %20
  %26 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %27 = getelementptr inbounds i16, ptr %26, i64 0
  %28 = load i16, ptr %27, align 2, !tbaa !11
  store i16 %28, ptr %7, align 2, !tbaa !11
  %29 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds i16, ptr %29, i64 3
  %31 = load i16, ptr %30, align 2, !tbaa !11
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %33 = getelementptr inbounds i16, ptr %32, i64 0
  store i16 %31, ptr %33, align 2, !tbaa !11
  %34 = load i16, ptr %7, align 2, !tbaa !11
  %35 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i16, ptr %35, i64 3
  store i16 %34, ptr %36, align 2, !tbaa !11
  %37 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = load i64, ptr %6, align 8, !tbaa !9
  %40 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %39
  %41 = load i64, ptr %40, align 8, !tbaa !9
  %42 = add i64 %38, %41
  %43 = load i64, ptr %6, align 8, !tbaa !9
  %44 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %43
  store i64 %42, ptr %44, align 8, !tbaa !9
  br label %52

45:                                               ; preds = %20
  %46 = load i64, ptr %6, align 8, !tbaa !9
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %46
  %48 = load i64, ptr %47, align 8, !tbaa !9
  %49 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %50 = load i64, ptr %49, align 8, !tbaa !9
  %51 = sub i64 %50, %48
  store i64 %51, ptr %49, align 8, !tbaa !9
  br label %52

52:                                               ; preds = %45, %25
  %53 = load i64, ptr %6, align 8, !tbaa !9
  %54 = add i64 %53, 1
  store i64 %54, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !13

55:                                               ; preds = %14
  %56 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %57 = load i64, ptr %56, align 8, !tbaa !9
  %58 = sub i64 %57, 1355633607
  %59 = load ptr, ptr %4, align 8, !tbaa !5
  %60 = getelementptr inbounds i64, ptr %59, i64 0
  store i64 %58, ptr %60, 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.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 = !{!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 = load i64, ptr %0, align 8, !tbaa !5
  %4 = mul i64 %3, 67330564296145686
  %5 = add i64 %4, -2350340661842412260
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %xtraiter = and i64 %7, 1
  %8 = icmp eq i64 %7, 1
  br i1 %8, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %7, -2
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.060 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %12, %.lr.ph ]
  %.sroa.1041.0.in.in59 = phi i64 [ %5, %.lr.ph.preheader.new ], [ %storemerge.1, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %.lr.ph ]
  %.sroa.1041.0.in = lshr i64 %.sroa.1041.0.in.in59, 48
  %.sroa.10.0.insert.ext = and i64 %.sroa.1041.0.in.in59, 281474976645120
  %9 = icmp ult i64 %.sroa.1041.0.in.in59, %.060
  %.sroa.0.0.insert.ext = shl i64 %.sroa.1041.0.in.in59, 48
  %.sroa.10.0.insert.insert28 = or disjoint i64 %.sroa.0.0.insert.ext, %.sroa.10.0.insert.ext
  %.sroa.0.0.insert.insert14 = or disjoint i64 %.sroa.10.0.insert.insert28, %.sroa.1041.0.in
  %10 = shl i64 %.sroa.0.0.insert.insert14, 1
  %storemerge = select i1 %9, i64 %10, i64 0
  %.sroa.1041.0.in.1 = lshr i64 %storemerge, 48
  %.sroa.10.0.insert.ext.1 = and i64 %storemerge, 281474976645120
  %.not62 = icmp ugt i64 %storemerge, %.060
  %.sroa.0.0.insert.ext.1 = shl i64 %storemerge, 48
  %.sroa.10.0.insert.insert28.1 = or disjoint i64 %.sroa.0.0.insert.ext.1, %.sroa.10.0.insert.ext.1
  %.sroa.0.0.insert.insert14.1 = or disjoint i64 %.sroa.10.0.insert.insert28.1, %.sroa.1041.0.in.1
  %11 = shl i64 %.sroa.0.0.insert.insert14.1, 1
  %storemerge.1 = select i1 %.not62, i64 0, i64 %11
  %12 = add nuw i64 %.060, 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 !9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %storemerge.lcssa.ph = phi i64 [ poison, %.lr.ph.preheader ], [ %storemerge.1, %.lr.ph ]
  %.060.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %12, %.lr.ph ]
  %.sroa.1041.0.in.in59.unr = phi i64 [ %5, %.lr.ph.preheader ], [ %storemerge.1, %.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
  %.sroa.1041.0.in.epil = lshr i64 %.sroa.1041.0.in.in59.unr, 48
  %.sroa.10.0.insert.ext.epil = and i64 %.sroa.1041.0.in.in59.unr, 281474976645120
  %13 = icmp ult i64 %.sroa.1041.0.in.in59.unr, %.060.unr
  %.sroa.0.0.insert.ext.epil = shl i64 %.sroa.1041.0.in.in59.unr, 48
  %.sroa.10.0.insert.insert28.epil = or disjoint i64 %.sroa.0.0.insert.ext.epil, %.sroa.10.0.insert.ext.epil
  %.sroa.0.0.insert.insert14.epil = or disjoint i64 %.sroa.10.0.insert.insert28.epil, %.sroa.1041.0.in.epil
  %14 = shl i64 %.sroa.0.0.insert.insert14.epil, 1
  %storemerge.epil = select i1 %13, i64 %14, i64 0
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.epil, %._crit_edge.loopexit.unr-lcssa, %2
  %.sroa.1041.0.in.in.lcssa = phi i64 [ %5, %2 ], [ %storemerge.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %storemerge.epil, %.lr.ph.epil ]
  %15 = add i64 %.sroa.1041.0.in.in.lcssa, -1355633607
  store i64 %15, 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"}


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