From 85fe90d5b7ed4e1101b0b3959a1d362eb93915ac Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Fri, 29 Nov 2019 14:55:01 -0800
Subject: Compat compile options macro (#1253)

* Use macro to materialize CompileOptions in Chisel._

This switches from using an implicit val that required awkward
suppression (as illustrated in CompileOptionsSpec) to allowing
overriding in the same way as done in "import chisel3._" via the
creation of an implicit val in lexical scope.

* Deprecate Chisel.defaultCompileOptions
---
 src/test/scala/chiselTests/CompatibilitySpec.scala | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/test')

diff --git a/src/test/scala/chiselTests/CompatibilitySpec.scala b/src/test/scala/chiselTests/CompatibilitySpec.scala
index d2b39c49..b0f22774 100644
--- a/src/test/scala/chiselTests/CompatibilitySpec.scala
+++ b/src/test/scala/chiselTests/CompatibilitySpec.scala
@@ -118,6 +118,19 @@ class CompatibiltySpec extends ChiselFlatSpec with GeneratorDrivenPropertyChecks
     }
     elaborate { new Dummy }
   }
+
+  it should "be able to provide custom CompileOptions" in {
+    implicit val CustomCompileOptions = chisel3.ExplicitCompileOptions.NotStrict.copy(inferModuleReset = true)
+    // Top-level Module always uses Bool so needs to be an inner Module
+    elaborate(new Module {
+      val io = IO(new Bundle {})
+      val inst = Module(new Module {
+        val io = IO(new Bundle {})
+        assert(reset.isInstanceOf[chisel3.ResetType])
+      })
+    })
+  }
+
   // Verify we can elaborate a design expressed in Chisel2
   class Chisel2CompatibleRisc extends Module {
     val io = new Bundle {
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