; 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 i8], align 1
  %6 = 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 1, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 0
  %9 = load i8, ptr %8, align 1, !tbaa !9
  %10 = zext i8 %9 to i64
  %11 = add i64 %10, 914778474
  %12 = xor i64 %11, 11
  %13 = trunc i64 %12 to i8
  %14 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %13, ptr %14, align 1, !tbaa !9
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %15

15:                                               ; preds = %23, %2
  %16 = load i8, ptr %6, align 1, !tbaa !9
  %17 = zext i8 %16 to i32
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %18, i64 1
  %20 = load i8, ptr %19, align 1, !tbaa !9
  %21 = zext i8 %20 to i32
  %22 = icmp slt i32 %17, %21
  br i1 %22, label %23, label %40

23:                                               ; preds = %15
  %24 = load i8, ptr %6, align 1, !tbaa !9
  %25 = zext i8 %24 to i64
  %26 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !9
  %28 = zext i8 %27 to i32
  %29 = and i32 %28, 31
  %30 = shl i32 %29, 4
  %31 = load i8, ptr %6, align 1, !tbaa !9
  %32 = zext i8 %31 to i64
  %33 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %32
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = zext i8 %34 to i32
  %36 = or i32 %35, %30
  %37 = trunc i32 %36 to i8
  store i8 %37, ptr %33, align 1, !tbaa !9
  %38 = load i8, ptr %6, align 1, !tbaa !9
  %39 = add i8 %38, 1
  store i8 %39, ptr %6, align 1, !tbaa !9
  br label %15, !llvm.loop !10

40:                                               ; preds = %15
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %41

41:                                               ; preds = %49, %40
  %42 = load i8, ptr %6, align 1, !tbaa !9
  %43 = zext i8 %42 to i32
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds i8, ptr %44, i64 1
  %46 = load i8, ptr %45, align 1, !tbaa !9
  %47 = zext i8 %46 to i32
  %48 = icmp slt i32 %43, %47
  br i1 %48, label %49, label %64

49:                                               ; preds = %41
  %50 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %51 = load i8, ptr %50, align 1, !tbaa !9
  %52 = zext i8 %51 to i32
  %53 = and i32 %52, 15
  %54 = shl i32 %53, 2
  %55 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %56 = load i8, ptr %55, align 1, !tbaa !9
  %57 = zext i8 %56 to i32
  %58 = or i32 %57, %54
  %59 = trunc i32 %58 to i8
  store i8 %59, ptr %55, align 1, !tbaa !9
  %60 = load i8, ptr %6, align 1, !tbaa !9
  %61 = zext i8 %60 to i64
  %62 = add i64 %61, 2
  %63 = trunc i64 %62 to i8
  store i8 %63, ptr %6, align 1, !tbaa !9
  br label %41, !llvm.loop !12

64:                                               ; preds = %41
  %65 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %66 = load i8, ptr %65, align 1, !tbaa !9
  %67 = zext i8 %66 to i32
  %68 = shl i32 %67, 5
  %69 = trunc i32 %68 to i8
  %70 = load ptr, ptr %4, align 8, !tbaa !5
  %71 = getelementptr inbounds i8, ptr %70, i64 0
  store i8 %69, ptr %71, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; 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 i8, ptr %0, align 1, !tbaa !5
  %4 = add i8 %3, 106
  %5 = xor i8 %4, 11
  %6 = getelementptr inbounds i8, ptr %0, i64 1
  %7 = load i8, ptr %6, align 1, !tbaa !5
  %.not = icmp eq i8 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph16.preheader

.lr.ph16.preheader:                               ; preds = %2
  %8 = add i8 %7, -1
  %9 = lshr i8 %8, 1
  %10 = add nuw i8 %9, 1
  %xtraiter = and i8 %10, 3
  %11 = icmp ult i8 %7, 7
  br i1 %11, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph16.preheader.new

.lr.ph16.preheader.new:                           ; preds = %.lr.ph16.preheader
  %unroll_iter = and i8 %10, -4
  br label %.lr.ph16

.lr.ph16:                                         ; preds = %.lr.ph16, %.lr.ph16.preheader.new
  %.sroa.0.114 = phi i8 [ %5, %.lr.ph16.preheader.new ], [ %23, %.lr.ph16 ]
  %niter = phi i8 [ 0, %.lr.ph16.preheader.new ], [ %niter.next.3, %.lr.ph16 ]
  %12 = shl i8 %.sroa.0.114, 2
  %13 = and i8 %12, 60
  %14 = or i8 %13, %.sroa.0.114
  %15 = shl i8 %14, 2
  %16 = and i8 %15, 60
  %17 = or i8 %16, %14
  %18 = shl i8 %17, 2
  %19 = and i8 %18, 60
  %20 = or i8 %19, %17
  %21 = shl i8 %20, 2
  %22 = and i8 %21, 60
  %23 = or i8 %22, %20
  %niter.next.3 = add i8 %niter, 4
  %niter.ncmp.3.not = icmp eq i8 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3.not, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph16, !llvm.loop !8

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph16, %.lr.ph16.preheader
  %.lcssa.ph = phi i8 [ poison, %.lr.ph16.preheader ], [ %23, %.lr.ph16 ]
  %.sroa.0.114.unr = phi i8 [ %5, %.lr.ph16.preheader ], [ %23, %.lr.ph16 ]
  %lcmp.mod.not = icmp eq i8 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph16.epil

.lr.ph16.epil:                                    ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph16.epil
  %.sroa.0.114.epil = phi i8 [ %26, %.lr.ph16.epil ], [ %.sroa.0.114.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i8 [ %epil.iter.next, %.lr.ph16.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %24 = shl i8 %.sroa.0.114.epil, 2
  %25 = and i8 %24, 60
  %26 = or i8 %25, %.sroa.0.114.epil
  %epil.iter.next = add i8 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i8 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph16.epil, !llvm.loop !10

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph16.epil, %2
  %.sroa.0.1.lcssa = phi i8 [ %5, %2 ], [ %.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %26, %.lr.ph16.epil ]
  %27 = shl i8 %.sroa.0.1.lcssa, 5
  store i8 %27, ptr %1, align 1, !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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.unroll.disable"}


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