; 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 i32], align 4
  %6 = 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 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i32, ptr %7, i64 0
  %9 = load i32, ptr %8, align 4, !tbaa !9
  %10 = add i32 %9, -10089659
  %11 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %10, ptr %11, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %18, %2
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds i32, ptr %14, i64 1
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = icmp ult i32 %13, %16
  br i1 %17, label %18, label %32

18:                                               ; preds = %12
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = zext i32 %19 to i64
  %21 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = add i32 %26, %22
  store i32 %27, ptr %25, align 4, !tbaa !9
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = add i64 %29, 2
  %31 = trunc i64 %30 to i32
  store i32 %31, ptr %6, align 4, !tbaa !9
  br label %12, !llvm.loop !11

32:                                               ; preds = %12
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %33

33:                                               ; preds = %39, %32
  %34 = load i32, ptr %6, align 4, !tbaa !9
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  %36 = getelementptr inbounds i32, ptr %35, i64 1
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = icmp ult i32 %34, %37
  br i1 %38, label %39, label %53

39:                                               ; preds = %33
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = zext i32 %40 to i64
  %42 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !9
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = zext i32 %44 to i64
  %46 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !9
  %48 = add i32 %47, %43
  store i32 %48, ptr %46, align 4, !tbaa !9
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = zext i32 %49 to i64
  %51 = add i64 %50, 2
  %52 = trunc i64 %51 to i32
  store i32 %52, ptr %6, align 4, !tbaa !9
  br label %33, !llvm.loop !13

53:                                               ; preds = %33
  %54 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = zext i32 %55 to i64
  %57 = sub i64 %56, 255873917
  %58 = add i64 %57, 559619733
  %59 = trunc i64 %58 to i32
  %60 = load ptr, ptr %4, align 8, !tbaa !5
  %61 = getelementptr inbounds i32, ptr %60, i64 0
  store i32 %59, ptr %61, align 4, !tbaa !9
  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.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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !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 {
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = add i32 %3, -10089659
  %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 %.lr.ph.preheader

.lr.ph.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 %6, 15
  br i1 %10, label %.lr.ph18.preheader.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i32 %9, -8
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.sroa.0.013 = phi i32 [ %4, %.lr.ph.preheader.new ], [ %11, %.lr.ph ]
  %niter = phi i32 [ 0, %.lr.ph.preheader.new ], [ %niter.next.7, %.lr.ph ]
  %11 = shl i32 %.sroa.0.013, 8
  %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 %.lr.ph18.preheader.unr-lcssa, label %.lr.ph, !llvm.loop !9

.lr.ph18.preheader.unr-lcssa:                     ; preds = %.lr.ph, %.lr.ph.preheader
  %.lcssa25.ph = phi i32 [ poison, %.lr.ph.preheader ], [ %11, %.lr.ph ]
  %.sroa.0.013.unr = phi i32 [ %4, %.lr.ph.preheader ], [ %11, %.lr.ph ]
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph18.preheader, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %.lr.ph18.preheader.unr-lcssa, %.lr.ph.epil
  %.sroa.0.013.epil = phi i32 [ %12, %.lr.ph.epil ], [ %.sroa.0.013.unr, %.lr.ph18.preheader.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %.lr.ph18.preheader.unr-lcssa ]
  %12 = shl i32 %.sroa.0.013.epil, 1
  %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 %.lr.ph18.preheader, label %.lr.ph.epil, !llvm.loop !11

.lr.ph18.preheader:                               ; preds = %.lr.ph.epil, %.lr.ph18.preheader.unr-lcssa
  %.lcssa25 = phi i32 [ %.lcssa25.ph, %.lr.ph18.preheader.unr-lcssa ], [ %12, %.lr.ph.epil ]
  br label %.lr.ph18

.lr.ph18:                                         ; preds = %.lr.ph18.preheader, %.lr.ph18
  %.117 = phi i32 [ %14, %.lr.ph18 ], [ 0, %.lr.ph18.preheader ]
  %.sroa.0.116 = phi i32 [ %13, %.lr.ph18 ], [ %.lcssa25, %.lr.ph18.preheader ]
  %13 = shl i32 %.sroa.0.116, 1
  %14 = add nuw i32 %.117, 2
  %15 = icmp ult i32 %14, %6
  br i1 %15, label %.lr.ph18, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph18, %2
  %.sroa.0.1.lcssa = phi i32 [ %4, %2 ], [ %13, %.lr.ph18 ]
  %16 = add i32 %.sroa.0.1.lcssa, 303745816
  store i32 %16, 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass