; 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 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 i32
  %11 = add nsw i32 %10, 219
  %12 = trunc i32 %11 to i8
  %13 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %12, ptr %13, align 1, !tbaa !9
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %14

14:                                               ; preds = %22, %2
  %15 = load i8, ptr %6, align 1, !tbaa !9
  %16 = zext i8 %15 to i32
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i64 1
  %19 = load i8, ptr %18, align 1, !tbaa !9
  %20 = zext i8 %19 to i32
  %21 = icmp slt i32 %16, %20
  br i1 %21, label %22, label %49

22:                                               ; preds = %14
  %23 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %24 = load i8, ptr %23, align 1, !tbaa !9
  %25 = zext i8 %24 to i32
  %26 = and i32 %25, 63
  %27 = shl i32 %26, 4
  %28 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %29 = load i8, ptr %28, align 1, !tbaa !9
  %30 = zext i8 %29 to i32
  %31 = or i32 %30, %27
  %32 = trunc i32 %31 to i8
  store i8 %32, ptr %28, align 1, !tbaa !9
  %33 = load i8, ptr %6, align 1, !tbaa !9
  %34 = zext i8 %33 to i64
  %35 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %34
  %36 = load i8, ptr %35, align 1, !tbaa !9
  %37 = zext i8 %36 to i32
  %38 = and i32 %37, 15
  %39 = shl i32 %38, 2
  %40 = load i8, ptr %6, align 1, !tbaa !9
  %41 = zext i8 %40 to i64
  %42 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %41
  %43 = load i8, ptr %42, align 1, !tbaa !9
  %44 = zext i8 %43 to i32
  %45 = or i32 %44, %39
  %46 = trunc i32 %45 to i8
  store i8 %46, ptr %42, align 1, !tbaa !9
  %47 = load i8, ptr %6, align 1, !tbaa !9
  %48 = add i8 %47, 1
  store i8 %48, ptr %6, align 1, !tbaa !9
  br label %14, !llvm.loop !10

49:                                               ; preds = %14
  %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 i64
  %53 = or i64 %52, 668348733
  %54 = xor i64 %53, 161
  %55 = trunc i64 %54 to i8
  %56 = load ptr, ptr %4, align 8, !tbaa !5
  %57 = getelementptr inbounds i8, ptr %56, i64 0
  store i8 %55, ptr %57, 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.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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; 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, -37
  %5 = getelementptr inbounds i8, ptr %0, i64 1
  %6 = load i8, ptr %5, align 1, !tbaa !5
  %.not = icmp eq i8 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %xtraiter = and i8 %6, 3
  %7 = icmp ult i8 %6, 4
  br i1 %7, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i8 %6, -4
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.sroa.0.07 = phi i8 [ %4, %.lr.ph.preheader.new ], [ %27, %.lr.ph ]
  %niter = phi i8 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %8 = shl i8 %.sroa.0.07, 4
  %9 = shl i8 %.sroa.0.07, 2
  %10 = and i8 %9, 60
  %11 = or i8 %8, %10
  %12 = or i8 %11, %.sroa.0.07
  %13 = shl i8 %12, 4
  %14 = shl i8 %12, 2
  %15 = and i8 %14, 60
  %16 = or i8 %13, %15
  %17 = or i8 %16, %12
  %18 = shl i8 %17, 4
  %19 = shl i8 %17, 2
  %20 = and i8 %19, 60
  %21 = or i8 %18, %20
  %22 = or i8 %21, %17
  %23 = shl i8 %22, 4
  %24 = shl i8 %22, 2
  %25 = and i8 %24, 60
  %26 = or i8 %23, %25
  %27 = or i8 %26, %22
  %niter.next.3 = add i8 %niter, 4
  %niter.ncmp.3 = icmp eq i8 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !8

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.lcssa.ph = phi i8 [ poison, %.lr.ph.preheader ], [ %27, %.lr.ph ]
  %.sroa.0.07.unr = phi i8 [ %4, %.lr.ph.preheader ], [ %27, %.lr.ph ]
  %lcmp.mod.not = icmp eq i8 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %.sroa.0.07.epil = phi i8 [ %32, %.lr.ph.epil ], [ %.sroa.0.07.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i8 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %28 = shl i8 %.sroa.0.07.epil, 4
  %29 = shl i8 %.sroa.0.07.epil, 2
  %30 = and i8 %29, 60
  %31 = or i8 %28, %30
  %32 = or i8 %31, %.sroa.0.07.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.ph.epil, !llvm.loop !10

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil, %2
  %.sroa.0.0.lcssa = phi i8 [ %4, %2 ], [ %.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %32, %.lr.ph.epil ]
  %33 = and i8 %.sroa.0.0.lcssa, -62
  %34 = xor i8 %33, -100
  store i8 %34, 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass