3 files changed, 20 insertions, 15 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/core/BlackBox.scala b/chiselFrontend/src/main/scala/chisel3/core/BlackBox.scala
index f5e0d5ba..aa0f8064 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/BlackBox.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/BlackBox.scala
@@ -80,7 +80,7 @@ abstract class ExtModule(val params: Map[String, Param] = Map.empty[String, Para
     component
   }
 
-  private[core] def initializeInParent() {
+  private[core] def initializeInParent(parentCompileOptions: CompileOptions): Unit = {
     implicit val sourceInfo = UnlocatableSourceInfo
 
     for (x <- getModulePorts) {
@@ -165,7 +165,7 @@ abstract class BlackBox(val params: Map[String, Param] = Map.empty[String, Param
     component
   }
 
-  private[core] def initializeInParent() {
+  private[core] def initializeInParent(parentCompileOptions: CompileOptions): Unit = {
     for ((_, port) <- io.elements) {
       pushCommand(DefInvalid(UnlocatableSourceInfo, port.ref))
     }
diff --git a/chiselFrontend/src/main/scala/chisel3/core/Module.scala b/chiselFrontend/src/main/scala/chisel3/core/Module.scala
index 0e919d3c..fa9ab082 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Module.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Module.scala
@@ -23,7 +23,9 @@ object Module {
     */
   def apply[T <: BaseModule](bc: => T): T = macro InstTransform.apply[T]
 
-  def do_apply[T <: BaseModule](bc: => T)(implicit sourceInfo: SourceInfo): T = {
+  def do_apply[T <: BaseModule](bc: => T)
+                               (implicit sourceInfo: SourceInfo,
+                                         compileOptions: CompileOptions): T = {
     if (Builder.readyForModuleConstr) {
       throwException("Error: Called Module() twice without instantiating a Module." +
                      sourceInfo.makeMessage(" See " + _))
@@ -62,7 +64,7 @@ object Module {
     // Handle connections at enclosing scope
     if(!Builder.currentModule.isEmpty) {
       pushCommand(DefInstance(sourceInfo, module, component.ports))
-      module.initializeInParent()
+      module.initializeInParent(compileOptions)
     }
     module
   }
@@ -124,7 +126,7 @@ abstract class BaseModule extends HasId {
 
   /** Sets up this module in the parent context
     */
-  private[core] def initializeInParent()
+  private[core] def initializeInParent(parentCompileOptions: CompileOptions): Unit
 
   //
   // Chisel Internals
diff --git a/chiselFrontend/src/main/scala/chisel3/core/UserModule.scala b/chiselFrontend/src/main/scala/chisel3/core/UserModule.scala
index c99d53cf..9c923037 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/UserModule.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/UserModule.scala
@@ -81,8 +81,15 @@ abstract class UserModule(implicit moduleCompileOptions: CompileOptions)
     component
   }
 
-  // There is no initialization to be done by default.
-  private[core] def initializeInParent() {}
+  private[core] def initializeInParent(parentCompileOptions: CompileOptions): Unit = {
+    implicit val sourceInfo = UnlocatableSourceInfo
+
+    if (!parentCompileOptions.explicitInvalidate) {
+      for (port <- getModulePorts) {
+        pushCommand(DefInvalid(sourceInfo, port.ref))
+      }
+    }
+  }
 }
 
 /** Abstract base class for Modules, which behave much like Verilog modules.
@@ -100,14 +107,10 @@ abstract class ImplicitModule(implicit moduleCompileOptions: CompileOptions)
   // Setup ClockAndReset
   Builder.currentClockAndReset = Some(ClockAndReset(clock, reset))
 
-  private[core] override def initializeInParent() {
+  private[core] override def initializeInParent(parentCompileOptions: CompileOptions): Unit = {
     implicit val sourceInfo = UnlocatableSourceInfo
 
-    if (!compileOptions.explicitInvalidate) {
-      for (port <- getModulePorts) {
-        pushCommand(DefInvalid(sourceInfo, port.ref))
-      }
-    }
+    super.initializeInParent(parentCompileOptions)
     clock := Builder.forcedClock
     reset := Builder.forcedReset
   }
@@ -173,12 +176,12 @@ abstract class LegacyModule(implicit moduleCompileOptions: CompileOptions)
     super.generateComponent()
   }
 
-  private[core] override def initializeInParent() {
+  private[core] override def initializeInParent(parentCompileOptions: CompileOptions): Unit = {
     // Don't generate source info referencing parents inside a module, since this interferes with
     // module de-duplication in FIRRTL emission.
     implicit val sourceInfo = UnlocatableSourceInfo
 
-    if (!compileOptions.explicitInvalidate) {
+    if (!parentCompileOptions.explicitInvalidate) {
       pushCommand(DefInvalid(sourceInfo, io.ref))
     }