; 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 i16, align 2
  %8 = 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
  call void @llvm.lifetime.start.p0(i64 2, ptr %8) #2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds i64, ptr %9, i64 0
  %11 = load i64, ptr %10, align 8, !tbaa !9
  %12 = xor i64 %11, 700325083
  %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 %34

20:                                               ; preds = %14
  %21 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %22 = getelementptr inbounds i16, ptr %21, i64 1
  %23 = load i16, ptr %22, align 2, !tbaa !11
  store i16 %23, ptr %7, align 2, !tbaa !11
  %24 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %25 = getelementptr inbounds i16, ptr %24, i64 2
  %26 = load i16, ptr %25, align 2, !tbaa !11
  %27 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %28 = getelementptr inbounds i16, ptr %27, i64 1
  store i16 %26, ptr %28, align 2, !tbaa !11
  %29 = load i16, ptr %7, align 2, !tbaa !11
  %30 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %31 = getelementptr inbounds i16, ptr %30, i64 2
  store i16 %29, ptr %31, align 2, !tbaa !11
  %32 = load i64, ptr %6, align 8, !tbaa !9
  %33 = add i64 %32, 2
  store i64 %33, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !13

34:                                               ; preds = %14
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %35

35:                                               ; preds = %41, %34
  %36 = load i64, ptr %6, align 8, !tbaa !9
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = getelementptr inbounds i64, ptr %37, i64 1
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = icmp ult i64 %36, %39
  br i1 %40, label %41, label %74

41:                                               ; preds = %35
  %42 = load i64, ptr %6, align 8, !tbaa !9
  %43 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %42
  %44 = getelementptr inbounds i16, ptr %43, i64 2
  %45 = load i16, ptr %44, align 2, !tbaa !11
  store i16 %45, ptr %8, align 2, !tbaa !11
  %46 = load i64, ptr %6, align 8, !tbaa !9
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %46
  %48 = getelementptr inbounds i16, ptr %47, i64 1
  %49 = load i16, ptr %48, align 2, !tbaa !11
  %50 = load i64, ptr %6, align 8, !tbaa !9
  %51 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i16, ptr %51, i64 2
  store i16 %49, ptr %52, align 2, !tbaa !11
  %53 = load i16, ptr %8, align 2, !tbaa !11
  %54 = load i64, ptr %6, align 8, !tbaa !9
  %55 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %54
  %56 = getelementptr inbounds i16, ptr %55, i64 1
  store i16 %53, ptr %56, align 2, !tbaa !11
  %57 = load i64, ptr %6, align 8, !tbaa !9
  %58 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %57
  %59 = getelementptr inbounds i16, ptr %58, i64 3
  %60 = load i16, ptr %59, align 2, !tbaa !11
  store i16 %60, ptr %8, align 2, !tbaa !11
  %61 = load i64, ptr %6, align 8, !tbaa !9
  %62 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %61
  %63 = getelementptr inbounds i16, ptr %62, i64 2
  %64 = load i16, ptr %63, align 2, !tbaa !11
  %65 = load i64, ptr %6, align 8, !tbaa !9
  %66 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %65
  %67 = getelementptr inbounds i16, ptr %66, i64 3
  store i16 %64, ptr %67, align 2, !tbaa !11
  %68 = load i16, ptr %8, align 2, !tbaa !11
  %69 = load i64, ptr %6, align 8, !tbaa !9
  %70 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %69
  %71 = getelementptr inbounds i16, ptr %70, i64 2
  store i16 %68, ptr %71, align 2, !tbaa !11
  %72 = load i64, ptr %6, align 8, !tbaa !9
  %73 = add i64 %72, 2
  store i64 %73, ptr %6, align 8, !tbaa !9
  br label %35, !llvm.loop !15

74:                                               ; preds = %35
  %75 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %76 = load i64, ptr %75, align 8, !tbaa !9
  %77 = shl i64 %76, 7
  %78 = load ptr, ptr %4, align 8, !tbaa !5
  %79 = getelementptr inbounds i64, ptr %78, i64 0
  store i64 %77, ptr %79, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #2
  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.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 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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 = alloca [1 x i64], align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #2
  %4 = load i64, ptr %0, align 8, !tbaa !5
  %5 = xor i64 %4, 700325083
  store i64 %5, ptr %3, align 8, !tbaa !5
  %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

.lr.ph:                                           ; preds = %2
  %8 = lshr i64 %4, 32
  %9 = trunc i64 %8 to i16
  %10 = lshr i64 %5, 16
  %11 = trunc i64 %10 to i16
  %12 = getelementptr inbounds i8, ptr %3, i64 2
  %13 = getelementptr inbounds i8, ptr %3, i64 4
  %14 = add i64 %7, -1
  %15 = lshr i64 %14, 1
  %16 = add nuw i64 %15, 1
  %xtraiter = and i64 %16, 7
  %17 = icmp ult i64 %7, 15
  br i1 %17, label %.lr.ph23.preheader.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph
  %unroll_iter = and i64 %16, -8
  br label %20

.lr.ph23.preheader.unr-lcssa:                     ; preds = %20, %.lr.ph
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph23.preheader, label %.epil.preheader

.epil.preheader:                                  ; preds = %.lr.ph23.preheader.unr-lcssa, %.epil.preheader
  %18 = phi i16 [ %19, %.epil.preheader ], [ %9, %.lr.ph23.preheader.unr-lcssa ]
  %19 = phi i16 [ %18, %.epil.preheader ], [ %11, %.lr.ph23.preheader.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.epil.preheader ], [ 0, %.lr.ph23.preheader.unr-lcssa ]
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %.lr.ph23.preheader, label %.epil.preheader, !llvm.loop !9

.lr.ph23.preheader:                               ; preds = %.epil.preheader, %.lr.ph23.preheader.unr-lcssa
  %.lcssa28 = phi i16 [ %11, %.lr.ph23.preheader.unr-lcssa ], [ %18, %.epil.preheader ]
  %.lcssa = phi i16 [ %9, %.lr.ph23.preheader.unr-lcssa ], [ %19, %.epil.preheader ]
  store i16 %.lcssa28, ptr %12, align 2, !tbaa !11
  store i16 %.lcssa, ptr %13, align 4, !tbaa !11
  br label %.lr.ph23

20:                                               ; preds = %20, %.lr.ph.new
  %niter = phi i64 [ 0, %.lr.ph.new ], [ %niter.next.7, %20 ]
  %niter.next.7 = add i64 %niter, 8
  %niter.ncmp.7.not = icmp eq i64 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7.not, label %.lr.ph23.preheader.unr-lcssa, label %20, !llvm.loop !13

.lr.ph23:                                         ; preds = %.lr.ph23.preheader, %.lr.ph23
  %.122 = phi i64 [ %27, %.lr.ph23 ], [ 0, %.lr.ph23.preheader ]
  %21 = getelementptr inbounds [1 x i64], ptr %3, i64 0, i64 %.122
  %22 = getelementptr inbounds i8, ptr %21, i64 4
  %23 = getelementptr inbounds i8, ptr %21, i64 2
  %24 = load i16, ptr %23, align 2, !tbaa !11
  %25 = getelementptr inbounds i8, ptr %21, i64 6
  %26 = load <2 x i16>, ptr %22, align 4, !tbaa !11
  store i16 %24, ptr %25, align 2, !tbaa !11
  store <2 x i16> %26, ptr %23, align 2, !tbaa !11
  %27 = add nuw i64 %.122, 2
  %28 = icmp ult i64 %27, %7
  br i1 %28, label %.lr.ph23, label %._crit_edge, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph23, %2
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = shl i64 %29, 7
  store i64 %30, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.unroll.disable"}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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