; 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 i16], align 2
  %6 = alloca i8, align 1
  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 1, 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, 2885
  %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
  %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 = ashr i32 %16, 4
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %29

20:                                               ; preds = %2
  %21 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %22 = load i16, ptr %21, align 2, !tbaa !9
  %23 = zext i16 %22 to i32
  %24 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %25 = load i16, ptr %24, align 2, !tbaa !9
  %26 = zext i16 %25 to i32
  %27 = add nsw i32 %26, %23
  %28 = trunc i32 %27 to i16
  store i16 %28, ptr %24, align 2, !tbaa !9
  br label %41

29:                                               ; preds = %2
  %30 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %31 = getelementptr inbounds i8, ptr %30, i64 1
  %32 = load i8, ptr %31, align 1, !tbaa !11
  store i8 %32, ptr %6, align 1, !tbaa !11
  %33 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %34 = getelementptr inbounds i8, ptr %33, i64 0
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %36 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %37 = getelementptr inbounds i8, ptr %36, i64 1
  store i8 %35, ptr %37, align 1, !tbaa !11
  %38 = load i8, ptr %6, align 1, !tbaa !11
  %39 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %40 = getelementptr inbounds i8, ptr %39, i64 0
  store i8 %38, ptr %40, align 1, !tbaa !11
  br label %41

41:                                               ; preds = %29, %20
  %42 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %43 = load i16, ptr %42, align 2, !tbaa !9
  %44 = zext i16 %43 to i64
  %45 = mul i64 %44, 45871808
  %46 = trunc i64 %45 to i16
  %47 = load ptr, ptr %4, align 8, !tbaa !5
  %48 = getelementptr inbounds i16, ptr %47, i64 0
  store i16 %46, ptr %48, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, 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.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 = !{!"short", !7, i64 0}
!11 = !{!7, !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, 2885
  %5 = and i16 %4, 16
  %.not = icmp eq i16 %5, 0
  br i1 %.not, label %9, label %6

6:                                                ; preds = %2
  %7 = shl i16 %4, 1
  %.sroa.10.0.extract.shift25 = lshr i16 %7, 8
  %8 = and i16 %7, 254
  br label %11

9:                                                ; preds = %2
  %.sroa.10.0.extract.shift = lshr i16 %4, 8
  %10 = and i16 %4, 239
  br label %11

11:                                               ; preds = %9, %6
  %.sroa.0.0.in = phi i16 [ %8, %6 ], [ %.sroa.10.0.extract.shift, %9 ]
  %.sroa.10.0.in = phi i16 [ %.sroa.10.0.extract.shift25, %6 ], [ %10, %9 ]
  %.sroa.10.0.insert.shift29 = shl nuw i16 %.sroa.10.0.in, 8
  %.sroa.0.0.insert.insert14 = or disjoint i16 %.sroa.10.0.insert.shift29, %.sroa.0.0.in
  %12 = mul i16 %.sroa.0.0.insert.insert14, -3392
  store i16 %12, 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