; 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
  %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 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
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i32, ptr %8, i64 0
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = add i64 %11, 914778474
  %13 = sub i64 %12, 981234615
  %14 = trunc i64 %13 to i32
  %15 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %14, ptr %15, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %48, %2
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds i32, ptr %18, i64 1
  %20 = load i32, ptr %19, align 4, !tbaa !9
  %21 = icmp ult i32 %17, %20
  br i1 %21, label %22, label %51

22:                                               ; preds = %16
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %45, %22
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds i32, ptr %25, i64 1
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = icmp ult i32 %24, %27
  br i1 %28, label %29, label %48

29:                                               ; preds = %23
  %30 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = add i32 %32, %33
  %35 = icmp ult i32 %31, %34
  br i1 %35, label %45, label %36

36:                                               ; preds = %29
  %37 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %40 = load i32, ptr %39, align 4, !tbaa !9
  %41 = add i32 %38, %40
  %42 = load i32, ptr %6, align 4, !tbaa !9
  %43 = zext i32 %42 to i64
  %44 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %43
  store i32 %41, ptr %44, align 4, !tbaa !9
  br label %45

45:                                               ; preds = %36, %29
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = add i32 %46, 1
  store i32 %47, ptr %6, align 4, !tbaa !9
  br label %23, !llvm.loop !11

48:                                               ; preds = %23
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = add i32 %49, 1
  store i32 %50, ptr %7, align 4, !tbaa !9
  br label %16, !llvm.loop !13

51:                                               ; preds = %16
  %52 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %53 = load i32, ptr %52, align 4, !tbaa !9
  %54 = zext i32 %53 to i64
  %55 = add i64 %54, 574800142
  %56 = add i64 %55, 1223072678
  %57 = trunc i64 %56 to i32
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  %59 = getelementptr inbounds i32, ptr %58, i64 0
  store i32 %57, ptr %59, align 4, !tbaa !9
  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.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, -66456141
  %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
  %xtraiter = and i32 %6, 3
  %7 = icmp ult i32 %6, 4
  %unroll_iter = and i32 %6, -4
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.epilog-lcssa
  %.016 = phi i32 [ %28, %.epilog-lcssa ], [ 0, %.preheader.preheader ]
  %.sroa.0.015 = phi i32 [ %spec.select.lcssa, %.epilog-lcssa ], [ %4, %.preheader.preheader ]
  br i1 %7, label %.unr-lcssa, label %.preheader.new

.preheader.new:                                   ; preds = %.preheader, %.preheader.new
  %.01014 = phi i32 [ %23, %.preheader.new ], [ 0, %.preheader ]
  %.sroa.0.113 = phi i32 [ %spec.select.3, %.preheader.new ], [ %.sroa.0.015, %.preheader ]
  %niter = phi i32 [ %niter.next.3, %.preheader.new ], [ 0, %.preheader ]
  %8 = add i32 %.01014, %.016
  %9 = icmp uge i32 %.sroa.0.113, %8
  %10 = zext i1 %9 to i32
  %spec.select = shl i32 %.sroa.0.113, %10
  %11 = or disjoint i32 %.01014, 1
  %12 = add i32 %11, %.016
  %13 = icmp uge i32 %spec.select, %12
  %14 = zext i1 %13 to i32
  %spec.select.1 = shl i32 %spec.select, %14
  %15 = or disjoint i32 %.01014, 2
  %16 = add i32 %15, %.016
  %17 = icmp uge i32 %spec.select.1, %16
  %18 = zext i1 %17 to i32
  %spec.select.2 = shl i32 %spec.select.1, %18
  %19 = or disjoint i32 %.01014, 3
  %20 = add i32 %19, %.016
  %21 = icmp uge i32 %spec.select.2, %20
  %22 = zext i1 %21 to i32
  %spec.select.3 = shl i32 %spec.select.2, %22
  %23 = add nuw i32 %.01014, 4
  %niter.next.3 = add i32 %niter, 4
  %niter.ncmp.3 = icmp eq i32 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %.unr-lcssa, label %.preheader.new, !llvm.loop !9

.unr-lcssa:                                       ; preds = %.preheader.new, %.preheader
  %spec.select.lcssa.ph = phi i32 [ poison, %.preheader ], [ %spec.select.3, %.preheader.new ]
  %.01014.unr = phi i32 [ 0, %.preheader ], [ %23, %.preheader.new ]
  %.sroa.0.113.unr = phi i32 [ %.sroa.0.015, %.preheader ], [ %spec.select.3, %.preheader.new ]
  br i1 %lcmp.mod.not, label %.epilog-lcssa, label %.epil.preheader

.epil.preheader:                                  ; preds = %.unr-lcssa, %.epil.preheader
  %.01014.epil = phi i32 [ %27, %.epil.preheader ], [ %.01014.unr, %.unr-lcssa ]
  %.sroa.0.113.epil = phi i32 [ %spec.select.epil, %.epil.preheader ], [ %.sroa.0.113.unr, %.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %.unr-lcssa ]
  %24 = add i32 %.01014.epil, %.016
  %25 = icmp uge i32 %.sroa.0.113.epil, %24
  %26 = zext i1 %25 to i32
  %spec.select.epil = shl i32 %.sroa.0.113.epil, %26
  %27 = add nuw i32 %.01014.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 %.epilog-lcssa, label %.epil.preheader, !llvm.loop !11

.epilog-lcssa:                                    ; preds = %.epil.preheader, %.unr-lcssa
  %spec.select.lcssa = phi i32 [ %spec.select.lcssa.ph, %.unr-lcssa ], [ %spec.select.epil, %.epil.preheader ]
  %28 = add nuw i32 %.016, 1
  %exitcond17.not = icmp eq i32 %28, %6
  br i1 %exitcond17.not, label %._crit_edge, label %.preheader, !llvm.loop !13

._crit_edge:                                      ; preds = %.epilog-lcssa, %2
  %.sroa.0.0.lcssa = phi i32 [ %4, %2 ], [ %spec.select.lcssa, %.epilog-lcssa ]
  %29 = add i32 %.sroa.0.0.lcssa, 1797872820
  store i32 %29, 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,SROAPass,SimplifyCFGPass