; 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 i64
  %10 = add i64 %9, 914778474
  %11 = xor i64 %10, 11
  %12 = trunc i64 %11 to i16
  %13 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %12, ptr %13, align 2, !tbaa !9
  %14 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %15 = load i16, ptr %14, align 2, !tbaa !9
  %16 = zext i16 %15 to i32
  %17 = and i32 %16, 1
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %47

19:                                               ; preds = %2
  %20 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %21 = load i16, ptr %20, align 2, !tbaa !9
  %22 = zext i16 %21 to i32
  %23 = ashr i32 %22, 1
  %24 = and i32 %23, 1
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %35

26:                                               ; preds = %19
  %27 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %28 = load i16, ptr %27, align 2, !tbaa !9
  %29 = zext i16 %28 to i32
  %30 = ashr i32 %29, 3
  %31 = and i32 %30, 1
  %32 = icmp ne i32 %31, 0
  br i1 %32, label %33, label %34

33:                                               ; preds = %26
  br label %34

34:                                               ; preds = %33, %26
  br label %46

35:                                               ; preds = %19
  %36 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %37 = load i16, ptr %36, align 2, !tbaa !9
  %38 = zext i16 %37 to i32
  %39 = and i32 %38, 15
  %40 = shl i32 %39, 3
  %41 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %42 = load i16, ptr %41, align 2, !tbaa !9
  %43 = zext i16 %42 to i32
  %44 = or i32 %43, %40
  %45 = trunc i32 %44 to i16
  store i16 %45, ptr %41, align 2, !tbaa !9
  br label %46

46:                                               ; preds = %35, %34
  br label %58

47:                                               ; preds = %2
  %48 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %49 = load i16, ptr %48, align 2, !tbaa !9
  %50 = zext i16 %49 to i32
  %51 = and i32 %50, 31
  %52 = shl i32 %51, 3
  %53 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %54 = load i16, ptr %53, align 2, !tbaa !9
  %55 = zext i16 %54 to i32
  %56 = or i32 %55, %52
  %57 = trunc i32 %56 to i16
  store i16 %57, ptr %53, align 2, !tbaa !9
  br label %58

58:                                               ; preds = %47, %46
  %59 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %60 = load i16, ptr %59, align 2, !tbaa !9
  %61 = zext i16 %60 to i32
  %62 = shl i32 %61, 15
  %63 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %64 = load i16, ptr %63, align 2, !tbaa !9
  %65 = zext i16 %64 to i32
  %66 = ashr i32 %65, 1
  %67 = or i32 %62, %66
  %68 = trunc i32 %67 to i16
  %69 = load ptr, ptr %4, align 8, !tbaa !5
  %70 = getelementptr inbounds i16, ptr %69, i64 0
  store i16 %68, ptr %70, 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, 26986
  %5 = xor i16 %4, 11
  %6 = zext i16 %5 to i32
  %7 = and i32 %6, 1
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %14, label %8

8:                                                ; preds = %2
  %9 = and i32 %6, 2
  %.not10 = icmp eq i32 %9, 0
  br i1 %.not10, label %10, label %18

10:                                               ; preds = %8
  %11 = shl i16 %5, 3
  %12 = and i16 %11, 104
  %13 = or i16 %12, %5
  br label %18

14:                                               ; preds = %2
  %15 = shl i16 %5, 3
  %16 = and i16 %15, 240
  %17 = or i16 %16, %5
  br label %18

18:                                               ; preds = %8, %10, %14
  %.sroa.0.0 = phi i16 [ %13, %10 ], [ %17, %14 ], [ %5, %8 ]
  %19 = tail call i16 @llvm.fshl.i16(i16 %.sroa.0.0, i16 %.sroa.0.0, i16 15)
  store i16 %19, ptr %1, align 2, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i16 @llvm.fshl.i16(i16, i16, i16) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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,TailCallElimPass