; 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 i32, align 4
  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 4, 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 = and i64 %10, 914778474
  %12 = shl i64 %11, 7
  %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 %29

20:                                               ; preds = %14
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %21
  %23 = load i64, ptr %22, align 8, !tbaa !9
  %24 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = and i64 %25, %23
  store i64 %26, ptr %24, align 8, !tbaa !9
  %27 = load i64, ptr %6, align 8, !tbaa !9
  %28 = add i64 %27, 1
  store i64 %28, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !11

29:                                               ; preds = %14
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %30

30:                                               ; preds = %36, %29
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds i64, ptr %32, i64 1
  %34 = load i64, ptr %33, align 8, !tbaa !9
  %35 = icmp ult i64 %31, %34
  br i1 %35, label %36, label %64

36:                                               ; preds = %30
  %37 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = lshr i64 %40, 3
  %42 = and i64 %41, 7
  %43 = or i64 %42, 1
  %44 = lshr i64 %38, %43
  %45 = load i64, ptr %6, align 8, !tbaa !9
  %46 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %45
  store i64 %44, ptr %46, align 8, !tbaa !9
  %47 = load i64, ptr %6, align 8, !tbaa !9
  %48 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %47
  %49 = getelementptr inbounds i32, ptr %48, i64 0
  %50 = load i32, ptr %49, align 4, !tbaa !13
  store i32 %50, ptr %7, align 4, !tbaa !13
  %51 = load i64, ptr %6, align 8, !tbaa !9
  %52 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %51
  %53 = getelementptr inbounds i32, ptr %52, i64 1
  %54 = load i32, ptr %53, align 4, !tbaa !13
  %55 = load i64, ptr %6, align 8, !tbaa !9
  %56 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i32, ptr %56, i64 0
  store i32 %54, ptr %57, align 4, !tbaa !13
  %58 = load i32, ptr %7, align 4, !tbaa !13
  %59 = load i64, ptr %6, align 8, !tbaa !9
  %60 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %59
  %61 = getelementptr inbounds i32, ptr %60, i64 1
  store i32 %58, ptr %61, align 4, !tbaa !13
  %62 = load i64, ptr %6, align 8, !tbaa !9
  %63 = add i64 %62, 1
  store i64 %63, ptr %6, align 8, !tbaa !9
  br label %30, !llvm.loop !15

64:                                               ; preds = %30
  %65 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %66 = load i64, ptr %65, align 8, !tbaa !9
  %67 = or i64 %66, 538181890
  %68 = load ptr, ptr %4, align 8, !tbaa !5
  %69 = getelementptr inbounds i64, ptr %68, i64 0
  store i64 %67, ptr %69, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !12}


; 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 {
.preheader:
  %2 = alloca [1 x i64], align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #2
  %3 = load i64, ptr %0, align 8, !tbaa !5
  %4 = shl i64 %3, 7
  %5 = and i64 %4, 117091644672
  store i64 %5, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %invariant.gep = getelementptr inbounds i8, ptr %2, i64 4
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.preheader
  %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
  %.114 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %24, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %.lr.ph ]
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = lshr i64 %9, 3
  %11 = and i64 %10, 6
  %12 = or disjoint i64 %11, 1
  %13 = lshr i64 %9, %12
  store i64 %13, ptr %2, align 8, !tbaa !5
  %14 = trunc i64 %13 to i32
  %gep = getelementptr [1 x i64], ptr %invariant.gep, i64 0, i64 %.114
  %15 = load i32, ptr %gep, align 4, !tbaa !9
  store i32 %15, ptr %2, align 8, !tbaa !9
  store i32 %14, ptr %gep, align 4, !tbaa !9
  %16 = or disjoint i64 %.114, 1
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = lshr i64 %17, 3
  %19 = and i64 %18, 6
  %20 = or disjoint i64 %19, 1
  %21 = lshr i64 %17, %20
  store i64 %21, ptr %2, align 8, !tbaa !5
  %22 = trunc i64 %21 to i32
  %gep.1 = getelementptr [1 x i64], ptr %invariant.gep, i64 0, i64 %16
  %23 = load i32, ptr %gep.1, align 4, !tbaa !9
  store i32 %23, ptr %2, align 8, !tbaa !9
  store i32 %22, ptr %gep.1, align 4, !tbaa !9
  %24 = add nuw i64 %.114, 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 !11

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.114.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %24, %.lr.ph ]
  %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
  %25 = load i64, ptr %2, align 8, !tbaa !5
  %26 = lshr i64 %25, 3
  %27 = and i64 %26, 6
  %28 = or disjoint i64 %27, 1
  %29 = lshr i64 %25, %28
  store i64 %29, ptr %2, align 8, !tbaa !5
  %30 = trunc i64 %29 to i32
  %gep.epil = getelementptr [1 x i64], ptr %invariant.gep, i64 0, i64 %.114.unr
  %31 = load i32, ptr %gep.epil, align 4, !tbaa !9
  store i32 %31, ptr %2, align 8, !tbaa !9
  store i32 %30, ptr %gep.epil, align 4, !tbaa !9
  br label %._crit_edge.loopexit

._crit_edge.loopexit:                             ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %.pre = load i64, ptr %2, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %32 = phi i64 [ %.pre, %._crit_edge.loopexit ], [ %5, %.preheader ]
  %33 = or i64 %32, 538181890
  store i64 %33, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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