; 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
  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
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i16, ptr %7, i64 0
  %9 = load i16, ptr %8, align 2, !tbaa !9
  %10 = zext i16 %9 to i32
  %11 = add nsw i32 %10, 11483
  %12 = trunc i32 %11 to i16
  %13 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %12, ptr %13, align 2, !tbaa !9
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %14

14:                                               ; preds = %18, %2
  %15 = load i16, ptr %6, align 2, !tbaa !9
  %16 = zext i16 %15 to i64
  %17 = icmp ult i64 %16, 1
  br i1 %17, label %18, label %21

18:                                               ; preds = %14
  %19 = load i16, ptr %6, align 2, !tbaa !9
  %20 = add i16 %19, 1
  store i16 %20, ptr %6, align 2, !tbaa !9
  br label %14, !llvm.loop !11

21:                                               ; preds = %14
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %22

22:                                               ; preds = %26, %21
  %23 = load i16, ptr %6, align 2, !tbaa !9
  %24 = zext i16 %23 to i64
  %25 = icmp ult i64 %24, 1
  br i1 %25, label %26, label %49

26:                                               ; preds = %22
  %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 = load i16, ptr %6, align 2, !tbaa !9
  %31 = zext i16 %30 to i64
  %32 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %31
  %33 = load i16, ptr %32, align 2, !tbaa !9
  %34 = zext i16 %33 to i32
  %35 = sub nsw i32 %29, %34
  %36 = and i32 %35, 31
  %37 = shl i32 %36, 4
  %38 = load i16, ptr %6, align 2, !tbaa !9
  %39 = zext i16 %38 to i64
  %40 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %39
  %41 = load i16, ptr %40, align 2, !tbaa !9
  %42 = zext i16 %41 to i32
  %43 = or i32 %42, %37
  %44 = trunc i32 %43 to i16
  store i16 %44, ptr %40, align 2, !tbaa !9
  %45 = load i16, ptr %6, align 2, !tbaa !9
  %46 = zext i16 %45 to i64
  %47 = add i64 %46, 2
  %48 = trunc i64 %47 to i16
  store i16 %48, ptr %6, align 2, !tbaa !9
  br label %22, !llvm.loop !13

49:                                               ; preds = %22
  %50 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %51 = load i16, ptr %50, align 2, !tbaa !9
  %52 = zext i16 %51 to i64
  %53 = add i64 %52, 255873917
  %54 = shl i64 %53, 1
  %55 = trunc i64 %54 to i16
  %56 = load ptr, ptr %4, align 8, !tbaa !5
  %57 = getelementptr inbounds i16, ptr %56, i64 0
  store i16 %55, ptr %57, align 2, !tbaa !9
  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 {
.critedge:
  %2 = load i16, ptr %0, align 2, !tbaa !5
  %3 = shl i16 %2, 1
  %4 = add i16 %3, 176
  store i16 %4, 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,ReassociatePass,SROAPass,SimplifyCFGPass