From 0a98a82c588882eb2905a5564792670c2cfaf858 Mon Sep 17 00:00:00 2001
From: Adam Izraelevitz
Date: Fri, 17 Jan 2020 15:52:57 -0800
Subject: Bugfix: Select.instances now works with blackboxes (#1303)

---
 src/test/scala/chiselTests/aop/SelectSpec.scala | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'src/test')

diff --git a/src/test/scala/chiselTests/aop/SelectSpec.scala b/src/test/scala/chiselTests/aop/SelectSpec.scala
index f3c756ab..80ab518f 100644
--- a/src/test/scala/chiselTests/aop/SelectSpec.scala
+++ b/src/test/scala/chiselTests/aop/SelectSpec.scala
@@ -7,7 +7,9 @@ import chiselTests.ChiselFlatSpec
 import chisel3._
 import chisel3.aop.Select.{PredicatedConnect, When, WhenNot}
 import chisel3.aop.{Aspect, Select}
-import firrtl.{AnnotationSeq}
+import chisel3.experimental.ExtModule
+import chisel3.stage.{ChiselGeneratorAnnotation, DesignAnnotation}
+import firrtl.AnnotationSeq
 
 import scala.reflect.runtime.universe.TypeTag
 
@@ -139,5 +141,17 @@ class SelectSpec extends ChiselFlatSpec {
     )
   }
 
+  "Blackboxes" should "be supported in Select.instances" in {
+    class BB extends ExtModule { }
+    class Top extends RawModule {
+      val bb = Module(new BB)
+    }
+    val top = ChiselGeneratorAnnotation(() => {
+      new Top()
+    }).elaborate(1).asInstanceOf[DesignAnnotation[Top]].design
+    val bbs = Select.collectDeep(top) { case b: BB => b }
+    assert(bbs.size == 1)
+  }
+
 }
 
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