; 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 i8, align 1
  %8 = 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 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds i32, ptr %9, i64 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = zext i32 %11 to i64
  %13 = sub i64 %12, 51238316
  %14 = sub i64 %13, 339126204
  %15 = trunc i64 %14 to i32
  %16 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %15, ptr %16, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %23, %2
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds i32, ptr %19, i64 1
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = icmp ult i32 %18, %21
  br i1 %22, label %23, label %48

23:                                               ; preds = %17
  %24 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %25 = getelementptr inbounds i8, ptr %24, i64 1
  %26 = load i8, ptr %25, align 1, !tbaa !11
  store i8 %26, ptr %7, align 1, !tbaa !11
  %27 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %28 = getelementptr inbounds i8, ptr %27, i64 3
  %29 = load i8, ptr %28, align 1, !tbaa !11
  %30 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %31 = getelementptr inbounds i8, ptr %30, i64 1
  store i8 %29, ptr %31, align 1, !tbaa !11
  %32 = load i8, ptr %7, align 1, !tbaa !11
  %33 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %34 = getelementptr inbounds i8, ptr %33, i64 3
  store i8 %32, ptr %34, align 1, !tbaa !11
  %35 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i8, ptr %35, i64 0
  %37 = load i8, ptr %36, align 1, !tbaa !11
  store i8 %37, ptr %8, align 1, !tbaa !11
  %38 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %39 = getelementptr inbounds i8, ptr %38, i64 3
  %40 = load i8, ptr %39, align 1, !tbaa !11
  %41 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %42 = getelementptr inbounds i8, ptr %41, i64 0
  store i8 %40, ptr %42, align 1, !tbaa !11
  %43 = load i8, ptr %8, align 1, !tbaa !11
  %44 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %45 = getelementptr inbounds i8, ptr %44, i64 3
  store i8 %43, ptr %45, align 1, !tbaa !11
  %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 %17, !llvm.loop !12

48:                                               ; preds = %17
  %49 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %50 = load i32, ptr %49, align 4, !tbaa !9
  %51 = zext i32 %50 to i64
  %52 = sub i64 %51, 324142656
  %53 = trunc i64 %52 to i32
  %54 = load ptr, ptr %4, align 8, !tbaa !5
  %55 = getelementptr inbounds i32, ptr %54, i64 0
  store i32 %53, ptr %55, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, 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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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 i32, ptr %0, align 4, !tbaa !5
  %4 = add i32 %3, -390364520
  %.sroa.0.0.extract.trunc = trunc i32 %4 to i8
  %.sroa.6.0.extract.shift = lshr i32 %4, 8
  %.sroa.6.0.extract.trunc = trunc i32 %.sroa.6.0.extract.shift to i8
  %.sroa.85.0.extract.shift = lshr i32 %4, 24
  %.sroa.85.0.extract.trunc = trunc nuw i32 %.sroa.85.0.extract.shift to i8
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = add i32 %6, 1
  %xtraiter = and i32 %7, 7
  %8 = icmp ult i32 %6, 7
  br i1 %8, label %.unr-lcssa, label %.new

.new:                                             ; preds = %2
  %unroll_iter = and i32 %7, -8
  br label %9

9:                                                ; preds = %9, %.new
  %.sroa.0.0 = phi i8 [ %.sroa.0.0.extract.trunc, %.new ], [ %.sroa.85.0, %9 ]
  %.sroa.6.0 = phi i8 [ %.sroa.6.0.extract.trunc, %.new ], [ %.sroa.0.0, %9 ]
  %.sroa.85.0 = phi i8 [ %.sroa.85.0.extract.trunc, %.new ], [ %.sroa.6.0, %9 ]
  %niter = phi i32 [ 0, %.new ], [ %niter.next.7, %9 ]
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7 = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %.unr-lcssa, label %9, !llvm.loop !9

.unr-lcssa:                                       ; preds = %9, %2
  %.sroa.0.0.lcssa.ph = phi i8 [ poison, %2 ], [ %.sroa.6.0, %9 ]
  %.sroa.6.0.lcssa.ph = phi i8 [ poison, %2 ], [ %.sroa.85.0, %9 ]
  %.sroa.85.0.lcssa.ph = phi i8 [ poison, %2 ], [ %.sroa.0.0, %9 ]
  %.sroa.0.0.unr = phi i8 [ %.sroa.0.0.extract.trunc, %2 ], [ %.sroa.85.0, %9 ]
  %.sroa.6.0.unr = phi i8 [ %.sroa.6.0.extract.trunc, %2 ], [ %.sroa.0.0, %9 ]
  %.sroa.85.0.unr = phi i8 [ %.sroa.85.0.extract.trunc, %2 ], [ %.sroa.6.0, %9 ]
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.epilog-lcssa, label %.epil.preheader

.epil.preheader:                                  ; preds = %.unr-lcssa, %.epil.preheader
  %.sroa.0.0.epil = phi i8 [ %.sroa.6.0.epil, %.epil.preheader ], [ %.sroa.0.0.unr, %.unr-lcssa ]
  %.sroa.6.0.epil = phi i8 [ %.sroa.85.0.epil, %.epil.preheader ], [ %.sroa.6.0.unr, %.unr-lcssa ]
  %.sroa.85.0.epil = phi i8 [ %.sroa.0.0.epil, %.epil.preheader ], [ %.sroa.85.0.unr, %.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %.unr-lcssa ]
  %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
  %.sroa.0.0.lcssa = phi i8 [ %.sroa.0.0.lcssa.ph, %.unr-lcssa ], [ %.sroa.0.0.epil, %.epil.preheader ]
  %.sroa.6.0.lcssa = phi i8 [ %.sroa.6.0.lcssa.ph, %.unr-lcssa ], [ %.sroa.6.0.epil, %.epil.preheader ]
  %.sroa.85.0.lcssa = phi i8 [ %.sroa.85.0.lcssa.ph, %.unr-lcssa ], [ %.sroa.85.0.epil, %.epil.preheader ]
  %.sroa.85.0.insert.ext = zext i8 %.sroa.85.0.lcssa to i32
  %.sroa.85.0.insert.shift = shl nuw i32 %.sroa.85.0.insert.ext, 24
  %.sroa.8.0.insert.ext = and i32 %4, 16711680
  %.sroa.6.0.insert.ext = zext i8 %.sroa.6.0.lcssa to i32
  %.sroa.6.0.insert.shift = shl nuw nsw i32 %.sroa.6.0.insert.ext, 8
  %.sroa.0.0.insert.ext = zext i8 %.sroa.0.0.lcssa to i32
  %.sroa.8.0.insert.insert = add nuw nsw i32 %.sroa.8.0.insert.ext, -324142656
  %.sroa.6.0.insert.insert = add nuw nsw i32 %.sroa.8.0.insert.insert, %.sroa.0.0.insert.ext
  %.sroa.0.0.insert.insert = add nuw nsw i32 %.sroa.6.0.insert.insert, %.sroa.6.0.insert.shift
  %10 = add i32 %.sroa.0.0.insert.insert, %.sroa.85.0.insert.shift
  store i32 %10, 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"}


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