; 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 i64
  %10 = sub i64 %9, 51238316
  %11 = sub i64 %10, 47038
  %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 = ashr i32 %16, 3
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %28

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 = and i32 %23, 1
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %27

26:                                               ; preds = %20
  br label %27

27:                                               ; preds = %26, %20
  br label %43

28:                                               ; preds = %2
  %29 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %30 = load i16, ptr %29, align 2, !tbaa !9
  %31 = zext i16 %30 to i32
  %32 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %33 = load i16, ptr %32, align 2, !tbaa !9
  %34 = zext i16 %33 to i32
  %35 = add nsw i32 %31, %34
  %36 = and i32 %35, 63
  %37 = shl i32 %36, 4
  %38 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %39 = load i16, ptr %38, align 2, !tbaa !9
  %40 = zext i16 %39 to i32
  %41 = or i32 %40, %37
  %42 = trunc i32 %41 to i16
  store i16 %42, ptr %38, align 2, !tbaa !9
  br label %43

43:                                               ; preds = %28, %27
  %44 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %45 = load i16, ptr %44, align 2, !tbaa !9
  %46 = zext i16 %45 to i32
  %47 = shl i32 %46, 9
  %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 = ashr i32 %50, 7
  %52 = or i32 %47, %51
  %53 = trunc i32 %52 to i16
  %54 = load ptr, ptr %4, align 8, !tbaa !5
  %55 = getelementptr inbounds i16, ptr %54, i64 0
  store i16 %53, ptr %55, 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 = add i16 %3, 29334
  %5 = and i16 %4, 8
  %.not = icmp eq i16 %5, 0
  %6 = shl i16 %4, 5
  %7 = and i16 %6, 736
  %8 = select i1 %.not, i16 %7, i16 0
  %.sroa.0.0 = or i16 %8, %4
  %9 = tail call i16 @llvm.fshl.i16(i16 %.sroa.0.0, i16 %.sroa.0.0, i16 9)
  store i16 %9, 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,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass