; 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 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 i64
  %11 = add i64 %10, 914778474
  %12 = sub i64 %11, 29623
  %13 = trunc i64 %12 to i16
  %14 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %13, ptr %14, align 2, !tbaa !9
  %15 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %16 = load i16, ptr %15, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %45

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 %35

26:                                               ; preds = %20
  %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 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %31 = load i16, ptr %30, align 2, !tbaa !9
  %32 = zext i16 %31 to i32
  %33 = add nsw i32 %32, %29
  %34 = trunc i32 %33 to i16
  store i16 %34, ptr %30, align 2, !tbaa !9
  br label %44

35:                                               ; preds = %20
  %36 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %37 = load i16, ptr %36, align 2, !tbaa !9
  %38 = zext i16 %37 to i32
  %39 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %40 = load i16, ptr %39, align 2, !tbaa !9
  %41 = zext i16 %40 to i32
  %42 = add nsw i32 %41, %38
  %43 = trunc i32 %42 to i16
  store i16 %43, ptr %39, align 2, !tbaa !9
  br label %44

44:                                               ; preds = %35, %26
  br label %57

45:                                               ; preds = %2
  %46 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %47 = getelementptr inbounds i8, ptr %46, i64 0
  %48 = load i8, ptr %47, align 1, !tbaa !11
  store i8 %48, ptr %6, align 1, !tbaa !11
  %49 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %50 = getelementptr inbounds i8, ptr %49, i64 1
  %51 = load i8, ptr %50, align 1, !tbaa !11
  %52 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %53 = getelementptr inbounds i8, ptr %52, i64 0
  store i8 %51, ptr %53, align 1, !tbaa !11
  %54 = load i8, ptr %6, align 1, !tbaa !11
  %55 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %56 = getelementptr inbounds i8, ptr %55, i64 1
  store i8 %54, ptr %56, align 1, !tbaa !11
  br label %57

57:                                               ; preds = %45, %44
  %58 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %59 = load i16, ptr %58, align 2, !tbaa !9
  %60 = zext i16 %59 to i64
  %61 = sub i64 %60, 690137161
  %62 = trunc i64 %61 to i16
  %63 = load ptr, ptr %4, align 8, !tbaa !5
  %64 = getelementptr inbounds i16, ptr %63, i64 0
  store i16 %62, ptr %64, 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.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 = !{!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, -2637
  %5 = and i16 %4, 1
  %.not = icmp eq i16 %5, 0
  br i1 %.not, label %9, label %6

6:                                                ; preds = %2
  %7 = shl i16 %4, 1
  %.sroa.14.0.extract.shift43 = lshr i16 %7, 8
  %8 = and i16 %7, 254
  br label %11

9:                                                ; preds = %2
  %.sroa.14.0.extract.shift = lshr i16 %4, 8
  %10 = and i16 %4, 254
  br label %11

11:                                               ; preds = %6, %9
  %.sroa.0.0.in = phi i16 [ %8, %6 ], [ %.sroa.14.0.extract.shift, %9 ]
  %.sroa.14.0.in = phi i16 [ %.sroa.14.0.extract.shift43, %6 ], [ %10, %9 ]
  %.sroa.14.0.insert.shift59 = shl nuw i16 %.sroa.14.0.in, 8
  %.sroa.0.0.insert.insert27 = add nuw nsw i16 %.sroa.0.0.in, 22455
  %12 = add i16 %.sroa.0.0.insert.insert27, %.sroa.14.0.insert.shift59
  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,SimplifyCFGPass