; 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 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 = xor i64 %10, 700325083
  %12 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %11, ptr %12, align 8, !tbaa !9
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %44, %2
  %14 = load i64, ptr %7, align 8, !tbaa !9
  %15 = icmp ult i64 %14, 1
  br i1 %15, label %16, label %47

16:                                               ; preds = %13
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %17

17:                                               ; preds = %20, %16
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = icmp ult i64 %18, 1
  br i1 %19, label %20, label %44

20:                                               ; preds = %17
  %21 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = lshr i64 %24, 2
  %26 = and i64 %25, 7
  %27 = or i64 %26, 1
  %28 = shl i64 %22, %27
  %29 = load i64, ptr %7, align 8, !tbaa !9
  %30 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %29
  store i64 %28, ptr %30, 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 = load i64, ptr %6, align 8, !tbaa !9
  %35 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %34
  %36 = load i64, ptr %35, align 8, !tbaa !9
  %37 = lshr i64 %36, 1
  %38 = and i64 %37, 7
  %39 = or i64 %38, 1
  %40 = lshr i64 %33, %39
  %41 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %40, ptr %41, align 8, !tbaa !9
  %42 = load i64, ptr %6, align 8, !tbaa !9
  %43 = add i64 %42, 2
  store i64 %43, ptr %6, align 8, !tbaa !9
  br label %17, !llvm.loop !11

44:                                               ; preds = %17
  %45 = load i64, ptr %7, align 8, !tbaa !9
  %46 = add i64 %45, 2
  store i64 %46, ptr %7, align 8, !tbaa !9
  br label %13, !llvm.loop !13

47:                                               ; preds = %13
  %48 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %49 = load i64, ptr %48, align 8, !tbaa !9
  %50 = and i64 %49, 214125455
  %51 = or i64 %50, 160452888
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = getelementptr inbounds i64, ptr %52, i64 0
  store i64 %51, ptr %53, 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.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 = !{!"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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
.critedge:
  %2 = load i64, ptr %0, align 8, !tbaa !5
  %3 = xor i64 %2, 700325083
  %4 = lshr i64 %3, 2
  %5 = and i64 %4, 6
  %6 = or disjoint i64 %5, 1
  %7 = shl i64 %3, %6
  %8 = lshr exact i64 %7, 1
  %9 = and i64 %8, 6
  %10 = or disjoint i64 %9, 1
  %11 = lshr i64 %7, %10
  %12 = and i64 %11, 71502471
  %13 = or disjoint i64 %12, 160452888
  store i64 %13, ptr %1, align 8, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass