; 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 i64], align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  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 8, 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 = sub i64 %10, 51238316
  %12 = sub i64 %11, 339126204
  %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 %7, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %43, %2
  %15 = load i64, ptr %7, 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 %46

20:                                               ; preds = %14
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %21

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

27:                                               ; preds = %21
  %28 = load i64, ptr %7, align 8, !tbaa !9
  %29 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %28
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %31
  %33 = load i64, ptr %32, align 8, !tbaa !9
  %34 = or i64 %30, %33
  %35 = and i64 %34, 31
  %36 = shl i64 %35, 4
  %37 = load i64, ptr %7, align 8, !tbaa !9
  %38 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %37
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = or i64 %39, %36
  store i64 %40, ptr %38, align 8, !tbaa !9
  %41 = load i64, ptr %6, align 8, !tbaa !9
  %42 = add i64 %41, 2
  store i64 %42, ptr %6, align 8, !tbaa !9
  br label %21, !llvm.loop !11

43:                                               ; preds = %21
  %44 = load i64, ptr %7, align 8, !tbaa !9
  %45 = add i64 %44, 1
  store i64 %45, ptr %7, align 8, !tbaa !9
  br label %14, !llvm.loop !13

46:                                               ; preds = %14
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %48 = load i64, ptr %47, align 8, !tbaa !9
  %49 = shl i64 %48, 7
  %50 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %51 = load i64, ptr %50, align 8, !tbaa !9
  %52 = lshr i64 %51, 57
  %53 = or i64 %49, %52
  %54 = add i64 %53, 2136477086
  %55 = load ptr, ptr %4, align 8, !tbaa !5
  %56 = getelementptr inbounds i64, ptr %55, i64 0
  store i64 %54, ptr %56, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, 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.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 = !{!"long", !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 i64, ptr %0, align 8, !tbaa !5
  %4 = add i64 %3, -390364520
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.preheader.preheader

.preheader.preheader:                             ; preds = %2
  %7 = add i64 %6, -1
  %8 = lshr i64 %7, 1
  %9 = add nuw i64 %8, 1
  %xtraiter = and i64 %9, 3
  %10 = icmp ult i64 %6, 7
  %unroll_iter = and i64 %9, -4
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.epilog-lcssa
  %.015 = phi i64 [ %26, %.epilog-lcssa ], [ 0, %.preheader.preheader ]
  %.sroa.0.014 = phi i64 [ %.lcssa, %.epilog-lcssa ], [ %4, %.preheader.preheader ]
  br i1 %10, label %.unr-lcssa, label %.preheader.new

.preheader.new:                                   ; preds = %.preheader, %.preheader.new
  %.sroa.0.112 = phi i64 [ %22, %.preheader.new ], [ %.sroa.0.014, %.preheader ]
  %niter = phi i64 [ %niter.next.3, %.preheader.new ], [ 0, %.preheader ]
  %11 = shl i64 %.sroa.0.112, 4
  %12 = and i64 %11, 496
  %13 = or i64 %12, %.sroa.0.112
  %14 = shl i64 %13, 4
  %15 = and i64 %14, 496
  %16 = or i64 %15, %13
  %17 = shl i64 %16, 4
  %18 = and i64 %17, 496
  %19 = or i64 %18, %16
  %20 = shl i64 %19, 4
  %21 = and i64 %20, 496
  %22 = or i64 %21, %19
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3.not = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3.not, label %.unr-lcssa, label %.preheader.new, !llvm.loop !9

.unr-lcssa:                                       ; preds = %.preheader.new, %.preheader
  %.lcssa.ph = phi i64 [ poison, %.preheader ], [ %22, %.preheader.new ]
  %.sroa.0.112.unr = phi i64 [ %.sroa.0.014, %.preheader ], [ %22, %.preheader.new ]
  br i1 %lcmp.mod.not, label %.epilog-lcssa, label %.epil.preheader

.epil.preheader:                                  ; preds = %.unr-lcssa, %.epil.preheader
  %.sroa.0.112.epil = phi i64 [ %25, %.epil.preheader ], [ %.sroa.0.112.unr, %.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.epil.preheader ], [ 0, %.unr-lcssa ]
  %23 = shl i64 %.sroa.0.112.epil, 4
  %24 = and i64 %23, 496
  %25 = or i64 %24, %.sroa.0.112.epil
  %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 %.epilog-lcssa, label %.epil.preheader, !llvm.loop !11

.epilog-lcssa:                                    ; preds = %.epil.preheader, %.unr-lcssa
  %.lcssa = phi i64 [ %.lcssa.ph, %.unr-lcssa ], [ %25, %.epil.preheader ]
  %26 = add nuw i64 %.015, 1
  %exitcond.not = icmp eq i64 %26, %6
  br i1 %exitcond.not, label %._crit_edge, label %.preheader, !llvm.loop !13

._crit_edge:                                      ; preds = %.epilog-lcssa, %2
  %.sroa.0.0.lcssa = phi i64 [ %4, %2 ], [ %.lcssa, %.epilog-lcssa ]
  %27 = tail call i64 @llvm.fshl.i64(i64 %.sroa.0.0.lcssa, i64 %.sroa.0.0.lcssa, i64 7)
  %28 = add i64 %27, 2136477086
  store i64 %28, ptr %1, align 8, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.fshl.i64(i64, i64, i64) #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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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.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,TailCallElimPass