; 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
  %6 = alloca i16, align 2
  %7 = alloca 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
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %7) #2
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i16, ptr %8, i64 0
  %10 = load i16, ptr %9, align 2, !tbaa !9
  %11 = zext i16 %10 to i32
  %12 = xor i32 %11, 7387
  %13 = trunc i32 %12 to i16
  %14 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %13, ptr %14, align 2, !tbaa !9
  store i16 0, ptr %7, align 2, !tbaa !9
  br label %15

15:                                               ; preds = %61, %2
  %16 = load i16, ptr %7, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %19, label %66

19:                                               ; preds = %15
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %20

20:                                               ; preds = %56, %19
  %21 = load i16, ptr %6, align 2, !tbaa !9
  %22 = zext i16 %21 to i32
  %23 = icmp slt i32 %22, 0
  br i1 %23, label %24, label %61

24:                                               ; preds = %20
  %25 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %26 = load i16, ptr %25, align 2, !tbaa !9
  %27 = zext i16 %26 to i32
  %28 = load i16, ptr %6, align 2, !tbaa !9
  %29 = zext i16 %28 to i32
  %30 = load i16, ptr %7, align 2, !tbaa !9
  %31 = zext i16 %30 to i32
  %32 = ashr i32 %31, 4
  %33 = and i32 %32, 7
  %34 = sext i32 %33 to i64
  %35 = or i64 %34, 1
  %36 = trunc i64 %35 to i32
  %37 = shl i32 %29, %36
  %38 = icmp eq i32 %27, %37
  br i1 %38, label %56, label %39

39:                                               ; preds = %24
  %40 = load i16, ptr %6, align 2, !tbaa !9
  %41 = zext i16 %40 to i64
  %42 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %41
  %43 = load i16, ptr %42, align 2, !tbaa !9
  %44 = zext i16 %43 to i32
  %45 = and i32 %44, 7
  %46 = sext i32 %45 to i64
  %47 = or i64 %46, 1
  %48 = load i16, ptr %6, align 2, !tbaa !9
  %49 = zext i16 %48 to i64
  %50 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %49
  %51 = load i16, ptr %50, align 2, !tbaa !9
  %52 = zext i16 %51 to i32
  %53 = trunc i64 %47 to i32
  %54 = shl i32 %52, %53
  %55 = trunc i32 %54 to i16
  store i16 %55, ptr %50, align 2, !tbaa !9
  br label %56

56:                                               ; preds = %39, %24
  %57 = load i16, ptr %6, align 2, !tbaa !9
  %58 = zext i16 %57 to i64
  %59 = add i64 %58, 2
  %60 = trunc i64 %59 to i16
  store i16 %60, ptr %6, align 2, !tbaa !9
  br label %20, !llvm.loop !11

61:                                               ; preds = %20
  %62 = load i16, ptr %7, align 2, !tbaa !9
  %63 = zext i16 %62 to i64
  %64 = add i64 %63, 2
  %65 = trunc i64 %64 to i16
  store i16 %65, ptr %7, align 2, !tbaa !9
  br label %15, !llvm.loop !13

66:                                               ; preds = %15
  %67 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %68 = load i16, ptr %67, align 2, !tbaa !9
  %69 = zext i16 %68 to i64
  %70 = or i64 %69, 293908934
  %71 = trunc i64 %70 to i16
  %72 = load ptr, ptr %4, align 8, !tbaa !5
  %73 = getelementptr inbounds i16, ptr %72, i64 0
  store i16 %71, ptr %73, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %6) #2
  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}
!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 {
  %3 = load i16, ptr %0, align 2, !tbaa !5
  %4 = and i16 %3, 20025
  %5 = xor i16 %4, -16929
  store i16 %5, 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