; 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 i32], align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %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 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 4, 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 i32, ptr %9, i64 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = xor i32 %11, 700325083
  %13 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %12, ptr %13, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %43, %2
  %15 = load i32, ptr %7, align 4, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds i32, ptr %16, i64 1
  %18 = load i32, ptr %17, align 4, !tbaa !9
  %19 = icmp ult i32 %15, %18
  br i1 %19, label %20, label %48

20:                                               ; preds = %14
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %27, %20
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds i32, ptr %23, i64 1
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = icmp ult i32 %22, %25
  br i1 %26, label %27, label %43

27:                                               ; preds = %21
  %28 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %29 = getelementptr inbounds i8, ptr %28, i64 0
  %30 = load i8, ptr %29, align 1, !tbaa !11
  store i8 %30, ptr %8, align 1, !tbaa !11
  %31 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %32 = getelementptr inbounds i8, ptr %31, i64 1
  %33 = load i8, ptr %32, align 1, !tbaa !11
  %34 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %35 = getelementptr inbounds i8, ptr %34, i64 0
  store i8 %33, ptr %35, align 1, !tbaa !11
  %36 = load i8, ptr %8, align 1, !tbaa !11
  %37 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %38 = getelementptr inbounds i8, ptr %37, i64 1
  store i8 %36, ptr %38, align 1, !tbaa !11
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = zext i32 %39 to i64
  %41 = add i64 %40, 2
  %42 = trunc i64 %41 to i32
  store i32 %42, ptr %6, align 4, !tbaa !9
  br label %21, !llvm.loop !12

43:                                               ; preds = %21
  %44 = load i32, ptr %7, align 4, !tbaa !9
  %45 = zext i32 %44 to i64
  %46 = add i64 %45, 2
  %47 = trunc i64 %46 to i32
  store i32 %47, ptr %7, align 4, !tbaa !9
  br label %14, !llvm.loop !14

48:                                               ; preds = %14
  %49 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %50 = load i32, ptr %49, align 4, !tbaa !9
  %51 = lshr i32 %50, 5
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = getelementptr inbounds i32, ptr %52, i64 0
  store i32 %51, ptr %53, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, 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 = !{!"int", !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: 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 i32, ptr %0, align 4, !tbaa !5
  %4 = xor i32 %3, 700325083
  %.sroa.0.0.extract.trunc = trunc i32 %4 to i8
  %.sroa.6.0.extract.shift = lshr i32 %4, 8
  %.sroa.6.0.extract.trunc = trunc i32 %.sroa.6.0.extract.shift to i8
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %._crit_edge, label %.preheader.preheader

.preheader.preheader:                             ; preds = %2
  %7 = add i32 %6, 1
  %8 = lshr i32 %7, 1
  %9 = add nuw i32 %8, 1
  %xtraiter = and i32 %9, 7
  %10 = icmp ult i32 %7, 14
  %unroll_iter = and i32 %9, -8
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.epilog-lcssa
  %.sroa.6.012 = phi i8 [ %.sroa.6.1.lcssa, %.epilog-lcssa ], [ %.sroa.6.0.extract.trunc, %.preheader.preheader ]
  %.011 = phi i32 [ %11, %.epilog-lcssa ], [ 0, %.preheader.preheader ]
  %.sroa.0.010 = phi i8 [ %.sroa.0.1.lcssa, %.epilog-lcssa ], [ %.sroa.0.0.extract.trunc, %.preheader.preheader ]
  br i1 %10, label %.unr-lcssa, label %.preheader.new

.preheader.new:                                   ; preds = %.preheader, %.preheader.new
  %niter = phi i32 [ %niter.next.7, %.preheader.new ], [ 0, %.preheader ]
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7.not = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7.not, label %.unr-lcssa, label %.preheader.new, !llvm.loop !9

.unr-lcssa:                                       ; preds = %.preheader.new, %.preheader
  br i1 %lcmp.mod.not, label %.epilog-lcssa, label %.epil.preheader

.epil.preheader:                                  ; preds = %.unr-lcssa, %.epil.preheader
  %.sroa.0.1.epil = phi i8 [ %.sroa.6.1.epil, %.epil.preheader ], [ %.sroa.0.010, %.unr-lcssa ]
  %.sroa.6.1.epil = phi i8 [ %.sroa.0.1.epil, %.epil.preheader ], [ %.sroa.6.012, %.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %.unr-lcssa ]
  %epil.iter.next = add i32 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i32 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %.epilog-lcssa, label %.epil.preheader, !llvm.loop !11

.epilog-lcssa:                                    ; preds = %.epil.preheader, %.unr-lcssa
  %.sroa.0.1.lcssa = phi i8 [ %.sroa.6.012, %.unr-lcssa ], [ %.sroa.0.1.epil, %.epil.preheader ]
  %.sroa.6.1.lcssa = phi i8 [ %.sroa.0.010, %.unr-lcssa ], [ %.sroa.6.1.epil, %.epil.preheader ]
  %11 = add nuw i32 %.011, 2
  %12 = icmp ult i32 %11, %6
  br i1 %12, label %.preheader, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.epilog-lcssa, %2
  %.sroa.0.0.lcssa = phi i8 [ %.sroa.0.0.extract.trunc, %2 ], [ %.sroa.0.1.lcssa, %.epilog-lcssa ]
  %.sroa.6.0.lcssa = phi i8 [ %.sroa.6.0.extract.trunc, %2 ], [ %.sroa.6.1.lcssa, %.epilog-lcssa ]
  %.sroa.8.0.extract.shift = and i32 %4, -65536
  %.sroa.6.0.insert.ext = zext i8 %.sroa.6.0.lcssa to i32
  %.sroa.6.0.insert.shift = shl nuw nsw i32 %.sroa.6.0.insert.ext, 8
  %.sroa.6.0.insert.insert = or disjoint i32 %.sroa.6.0.insert.shift, %.sroa.8.0.extract.shift
  %.sroa.0.0.insert.ext = zext i8 %.sroa.0.0.lcssa to i32
  %.sroa.0.0.insert.insert = or disjoint i32 %.sroa.6.0.insert.insert, %.sroa.0.0.insert.ext
  %13 = lshr i32 %.sroa.0.0.insert.insert, 5
  store i32 %13, ptr %1, align 4, !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 = !{!"int", !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"}
!13 = distinct !{!13, !10}


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