; 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 i16], align 2
  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 2, ptr %5) #2
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds i16, ptr %6, i64 0
  %8 = load i16, ptr %7, align 2, !tbaa !9
  %9 = zext i16 %8 to i32
  %10 = add nsw i32 %9, 11483
  %11 = trunc i32 %10 to i16
  %12 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %11, ptr %12, align 2, !tbaa !9
  %13 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %14 = load i16, ptr %13, align 2, !tbaa !9
  %15 = zext i16 %14 to i32
  %16 = and i32 %15, 1
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %18, label %37

18:                                               ; preds = %2
  %19 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %20 = load i16, ptr %19, align 2, !tbaa !9
  %21 = zext i16 %20 to i32
  %22 = ashr i32 %21, 2
  %23 = and i32 %22, 1
  %24 = icmp ne i32 %23, 0
  br i1 %24, label %25, label %36

25:                                               ; preds = %18
  %26 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %27 = load i16, ptr %26, align 2, !tbaa !9
  %28 = zext i16 %27 to i32
  %29 = and i32 %28, 31
  %30 = shl i32 %29, 4
  %31 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %32 = load i16, ptr %31, align 2, !tbaa !9
  %33 = zext i16 %32 to i32
  %34 = or i32 %33, %30
  %35 = trunc i32 %34 to i16
  store i16 %35, ptr %31, align 2, !tbaa !9
  br label %36

36:                                               ; preds = %25, %18
  br label %48

37:                                               ; preds = %2
  %38 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %39 = load i16, ptr %38, align 2, !tbaa !9
  %40 = zext i16 %39 to i32
  %41 = and i32 %40, 7
  %42 = shl i32 %41, 2
  %43 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %44 = load i16, ptr %43, align 2, !tbaa !9
  %45 = zext i16 %44 to i32
  %46 = or i32 %45, %42
  %47 = trunc i32 %46 to i16
  store i16 %47, ptr %43, align 2, !tbaa !9
  br label %48

48:                                               ; preds = %37, %36
  %49 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %50 = load i16, ptr %49, align 2, !tbaa !9
  %51 = zext i16 %50 to i64
  %52 = xor i64 %51, 498160537
  %53 = add i64 %52, 31100
  %54 = trunc i64 %53 to i16
  %55 = load ptr, ptr %4, align 8, !tbaa !5
  %56 = getelementptr inbounds i16, ptr %55, i64 0
  store i16 %54, ptr %56, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, 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 = !{!"short", !7, i64 0}


; 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 {
  %3 = load i16, ptr %0, align 2, !tbaa !5
  %4 = add i16 %3, 11483
  %5 = zext i16 %4 to i32
  %6 = and i32 %5, 1
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %13, label %7

7:                                                ; preds = %2
  %8 = and i32 %5, 4
  %.not8 = icmp eq i32 %8, 0
  br i1 %.not8, label %17, label %9

9:                                                ; preds = %7
  %10 = shl i16 %4, 4
  %11 = and i16 %10, 496
  %12 = or i16 %11, %4
  br label %17

13:                                               ; preds = %2
  %14 = shl i16 %4, 2
  %15 = and i16 %14, 24
  %16 = or i16 %15, %4
  br label %17

17:                                               ; preds = %7, %9, %13
  %.sroa.0.0 = phi i16 [ %12, %9 ], [ %4, %7 ], [ %16, %13 ]
  %18 = xor i16 %.sroa.0.0, 21401
  %19 = add i16 %18, 31100
  store i16 %19, ptr %1, align 2, !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 = !{!"short", !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