; 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
  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 = xor i32 %9, 7387
  %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 = ashr i32 %15, 4
  %17 = and i32 %16, 1
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %41

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, 2
  %24 = and i32 %23, 1
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %40, label %26

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, 1
  %31 = and i32 %30, 7
  %32 = sext i32 %31 to i64
  %33 = or i64 %32, 1
  %34 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %35 = load i16, ptr %34, align 2, !tbaa !9
  %36 = zext i16 %35 to i32
  %37 = trunc i64 %33 to i32
  %38 = shl i32 %36, %37
  %39 = trunc i32 %38 to i16
  store i16 %39, ptr %34, align 2, !tbaa !9
  br label %40

40:                                               ; preds = %26, %19
  br label %55

41:                                               ; preds = %2
  %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 i32
  %45 = ashr i32 %44, 1
  %46 = and i32 %45, 7
  %47 = sext i32 %46 to i64
  %48 = or i64 %47, 1
  %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 i32
  %52 = trunc i64 %48 to i32
  %53 = ashr i32 %51, %52
  %54 = trunc i32 %53 to i16
  store i16 %54, ptr %49, align 2, !tbaa !9
  br label %55

55:                                               ; preds = %41, %40
  %56 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %57 = load i16, ptr %56, align 2, !tbaa !9
  %58 = zext i16 %57 to i64
  %59 = or i64 %58, 1039116836
  %60 = and i64 %59, 60139
  %61 = trunc i64 %60 to i16
  %62 = load ptr, ptr %4, align 8, !tbaa !5
  %63 = getelementptr inbounds i16, ptr %62, i64 0
  store i16 %61, ptr %63, 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.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}


; 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 = xor i16 %3, 7387
  %5 = zext i16 %4 to i32
  %6 = and i32 %5, 16
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %14, label %7

7:                                                ; preds = %2
  %8 = and i32 %5, 4
  %.not8 = icmp eq i32 %8, 0
  br i1 %.not8, label %9, label %19

9:                                                ; preds = %7
  %10 = lshr i16 %4, 1
  %11 = and i16 %10, 4
  %12 = or disjoint i16 %11, 1
  %13 = shl i16 %4, %12
  br label %19

14:                                               ; preds = %2
  %15 = lshr i16 %4, 1
  %16 = and i16 %15, 6
  %17 = or disjoint i16 %16, 1
  %18 = lshr i16 %4, %17
  br label %19

19:                                               ; preds = %7, %9, %14
  %.sroa.0.0 = phi i16 [ %4, %7 ], [ %13, %9 ], [ %18, %14 ]
  %20 = and i16 %.sroa.0.0, 16587
  %21 = or disjoint i16 %20, -21984
  store i16 %21, 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