; 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 i32], align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca i8, align 1
  %9 = 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
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds i32, ptr %10, i64 0
  %12 = load i32, ptr %11, align 4, !tbaa !9
  %13 = xor i32 %12, 700325083
  %14 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %13, ptr %14, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %21, %2
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds i32, ptr %17, i64 1
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = icmp ult i32 %16, %19
  br i1 %20, label %21, label %37

21:                                               ; preds = %15
  %22 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %23 = getelementptr inbounds i8, ptr %22, i64 1
  %24 = load i8, ptr %23, align 1, !tbaa !11
  store i8 %24, ptr %7, align 1, !tbaa !11
  %25 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %26 = getelementptr inbounds i8, ptr %25, i64 2
  %27 = load i8, ptr %26, align 1, !tbaa !11
  %28 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %29 = getelementptr inbounds i8, ptr %28, i64 1
  store i8 %27, ptr %29, align 1, !tbaa !11
  %30 = load i8, ptr %7, align 1, !tbaa !11
  %31 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %32 = getelementptr inbounds i8, ptr %31, i64 2
  store i8 %30, ptr %32, align 1, !tbaa !11
  %33 = load i32, ptr %6, align 4, !tbaa !9
  %34 = zext i32 %33 to i64
  %35 = add i64 %34, 2
  %36 = trunc i64 %35 to i32
  store i32 %36, ptr %6, align 4, !tbaa !9
  br label %15, !llvm.loop !12

37:                                               ; preds = %15
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %44, %37
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = getelementptr inbounds i32, ptr %40, i64 1
  %42 = load i32, ptr %41, align 4, !tbaa !9
  %43 = icmp ult i32 %39, %42
  br i1 %43, label %44, label %80

44:                                               ; preds = %38
  %45 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %46 = getelementptr inbounds i8, ptr %45, i64 1
  %47 = load i8, ptr %46, align 1, !tbaa !11
  store i8 %47, ptr %8, align 1, !tbaa !11
  %48 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %49 = getelementptr inbounds i8, ptr %48, i64 2
  %50 = load i8, ptr %49, align 1, !tbaa !11
  %51 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %52 = getelementptr inbounds i8, ptr %51, i64 1
  store i8 %50, ptr %52, align 1, !tbaa !11
  %53 = load i8, ptr %8, align 1, !tbaa !11
  %54 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %55 = getelementptr inbounds i8, ptr %54, i64 2
  store i8 %53, ptr %55, align 1, !tbaa !11
  %56 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %57 = getelementptr inbounds i8, ptr %56, i64 3
  %58 = load i8, ptr %57, align 1, !tbaa !11
  store i8 %58, ptr %8, align 1, !tbaa !11
  %59 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %60 = getelementptr inbounds i8, ptr %59, i64 0
  %61 = load i8, ptr %60, align 1, !tbaa !11
  %62 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %63 = getelementptr inbounds i8, ptr %62, i64 3
  store i8 %61, ptr %63, align 1, !tbaa !11
  %64 = load i8, ptr %8, align 1, !tbaa !11
  %65 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %66 = getelementptr inbounds i8, ptr %65, i64 0
  store i8 %64, ptr %66, align 1, !tbaa !11
  %67 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %68 = getelementptr inbounds i8, ptr %67, i64 3
  %69 = load i8, ptr %68, align 1, !tbaa !11
  store i8 %69, ptr %9, align 1, !tbaa !11
  %70 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %71 = getelementptr inbounds i8, ptr %70, i64 1
  %72 = load i8, ptr %71, align 1, !tbaa !11
  %73 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %74 = getelementptr inbounds i8, ptr %73, i64 3
  store i8 %72, ptr %74, align 1, !tbaa !11
  %75 = load i8, ptr %9, align 1, !tbaa !11
  %76 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %77 = getelementptr inbounds i8, ptr %76, i64 1
  store i8 %75, ptr %77, align 1, !tbaa !11
  %78 = load i32, ptr %6, align 4, !tbaa !9
  %79 = add i32 %78, 1
  store i32 %79, ptr %6, align 4, !tbaa !9
  br label %38, !llvm.loop !14

80:                                               ; preds = %38
  %81 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %82 = load i32, ptr %81, align 4, !tbaa !9
  %83 = zext i32 %82 to i64
  %84 = xor i64 %83, 141549832
  %85 = trunc i64 %84 to i32
  %86 = load ptr, ptr %4, align 8, !tbaa !5
  %87 = getelementptr inbounds i32, ptr %86, i64 0
  store i32 %85, ptr %87, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  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.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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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 = xor i32 %3, 700325083
  %.sroa.6.0.extract.shift = lshr i32 %4, 8
  %.sroa.6.0.extract.trunc = trunc i32 %.sroa.6.0.extract.shift to i8
  %.sroa.12.0.extract.shift = lshr i32 %4, 16
  %.sroa.12.0.extract.trunc = trunc i32 %.sroa.12.0.extract.shift to i8
  %.sroa.16.0.extract.shift = lshr i32 %4, 24
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = add i32 %6, 1
  %8 = lshr i32 %7, 1
  %9 = add nuw i32 %8, 1
  %xtraiter = and i32 %9, 7
  %10 = icmp ult i32 %7, 14
  br i1 %10, label %.preheader.unr-lcssa, label %.new

.new:                                             ; preds = %2
  %unroll_iter = and i32 %9, -8
  br label %11

11:                                               ; preds = %11, %.new
  %niter = phi i32 [ 0, %.new ], [ %niter.next.7, %11 ]
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7.not = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7.not, label %.preheader.unr-lcssa, label %11, !llvm.loop !9

.preheader.unr-lcssa:                             ; preds = %11, %2
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.preheader, label %.epil.preheader

.epil.preheader:                                  ; preds = %.preheader.unr-lcssa, %.epil.preheader
  %.sroa.6.0.epil = phi i8 [ %.sroa.12.0.epil, %.epil.preheader ], [ %.sroa.6.0.extract.trunc, %.preheader.unr-lcssa ]
  %.sroa.12.0.epil = phi i8 [ %.sroa.6.0.epil, %.epil.preheader ], [ %.sroa.12.0.extract.trunc, %.preheader.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %.preheader.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 %.preheader, label %.epil.preheader, !llvm.loop !11

.preheader:                                       ; preds = %.epil.preheader, %.preheader.unr-lcssa
  %.sroa.6.0.lcssa = phi i8 [ %.sroa.12.0.extract.trunc, %.preheader.unr-lcssa ], [ %.sroa.6.0.epil, %.epil.preheader ]
  %.sroa.12.0.lcssa = phi i8 [ %.sroa.6.0.extract.trunc, %.preheader.unr-lcssa ], [ %.sroa.12.0.epil, %.epil.preheader ]
  %.sroa.0.0.extract.trunc = trunc i32 %4 to i8
  %.sroa.16.0.extract.trunc = trunc nuw i32 %.sroa.16.0.extract.shift to i8
  %xtraiter19 = and i32 %7, 7
  %12 = icmp ult i32 %6, 7
  br i1 %12, label %.unr-lcssa, label %.preheader.new

.preheader.new:                                   ; preds = %.preheader
  %unroll_iter26 = and i32 %7, -8
  br label %13

13:                                               ; preds = %13, %.preheader.new
  %niter27 = phi i32 [ 0, %.preheader.new ], [ %niter27.next.7, %13 ]
  %niter27.next.7 = add i32 %niter27, 8
  %niter27.ncmp.7 = icmp eq i32 %niter27.next.7, %unroll_iter26
  br i1 %niter27.ncmp.7, label %.unr-lcssa, label %13, !llvm.loop !13

.unr-lcssa:                                       ; preds = %13, %.preheader
  %lcmp.mod21.not = icmp eq i32 %xtraiter19, 0
  br i1 %lcmp.mod21.not, label %.epilog-lcssa, label %.epil.preheader18

.epil.preheader18:                                ; preds = %.unr-lcssa, %.epil.preheader18
  %.sroa.0.0.epil = phi i8 [ %.sroa.16.0.epil, %.epil.preheader18 ], [ %.sroa.0.0.extract.trunc, %.unr-lcssa ]
  %.sroa.6.1.epil = phi i8 [ %.sroa.0.0.epil, %.epil.preheader18 ], [ %.sroa.6.0.lcssa, %.unr-lcssa ]
  %.sroa.12.1.epil = phi i8 [ %.sroa.6.1.epil, %.epil.preheader18 ], [ %.sroa.12.0.lcssa, %.unr-lcssa ]
  %.sroa.16.0.epil = phi i8 [ %.sroa.12.1.epil, %.epil.preheader18 ], [ %.sroa.16.0.extract.trunc, %.unr-lcssa ]
  %epil.iter20 = phi i32 [ %epil.iter20.next, %.epil.preheader18 ], [ 0, %.unr-lcssa ]
  %epil.iter20.next = add i32 %epil.iter20, 1
  %epil.iter20.cmp.not = icmp eq i32 %epil.iter20.next, %xtraiter19
  br i1 %epil.iter20.cmp.not, label %.epilog-lcssa, label %.epil.preheader18, !llvm.loop !14

.epilog-lcssa:                                    ; preds = %.epil.preheader18, %.unr-lcssa
  %.sroa.0.0.lcssa = phi i8 [ %.sroa.6.0.lcssa, %.unr-lcssa ], [ %.sroa.0.0.epil, %.epil.preheader18 ]
  %.sroa.6.1.lcssa = phi i8 [ %.sroa.12.0.lcssa, %.unr-lcssa ], [ %.sroa.6.1.epil, %.epil.preheader18 ]
  %.sroa.12.1.lcssa = phi i8 [ %.sroa.16.0.extract.trunc, %.unr-lcssa ], [ %.sroa.12.1.epil, %.epil.preheader18 ]
  %.sroa.16.0.lcssa = phi i8 [ %.sroa.0.0.extract.trunc, %.unr-lcssa ], [ %.sroa.16.0.epil, %.epil.preheader18 ]
  %.sroa.16.0.insert.ext = zext i8 %.sroa.16.0.lcssa to i32
  %.sroa.16.0.insert.shift = shl nuw i32 %.sroa.16.0.insert.ext, 24
  %.sroa.12.0.insert.ext = zext i8 %.sroa.12.1.lcssa to i32
  %.sroa.12.0.insert.shift = shl nuw nsw i32 %.sroa.12.0.insert.ext, 16
  %.sroa.12.0.insert.insert = or disjoint i32 %.sroa.16.0.insert.shift, %.sroa.12.0.insert.shift
  %.sroa.6.0.insert.ext = zext i8 %.sroa.6.1.lcssa to i32
  %.sroa.6.0.insert.shift = shl nuw nsw i32 %.sroa.6.0.insert.ext, 8
  %.sroa.6.0.insert.insert = or disjoint i32 %.sroa.12.0.insert.insert, %.sroa.6.0.insert.shift
  %.sroa.0.0.insert.ext = zext i8 %.sroa.0.0.lcssa to i32
  %.sroa.0.0.insert.insert = or disjoint i32 %.sroa.6.0.insert.insert, %.sroa.0.0.insert.ext
  %14 = xor i32 %.sroa.0.0.insert.insert, 141549832
  store i32 %14, 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"}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !12}


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