add tests

Author: tmckay-sifive

core/src/main/scala-2/chisel3/PrintfMacros.scala

@@ -8,6 +8,7 @@ import chisel3.experimental.SourceInfo
 import chisel3.{layer, layers}
 import scala.language.experimental.macros
 import scala.reflect.macros.blackbox
+import chisel3.VerifStmtMacrosCompat.resetToDisableMigrationChecks
 
 object PrintfMacrosCompat {
   def _applyMacroWithInterpolatorCheck(
@@ -77,6 +78,7 @@ object PrintfMacrosCompat {
     Printable.checkScope(pable)
 
     layer.block(layers.Verification, skipIfAlreadyInBlock = true, skipIfLayersEnabled = true) {
+      resetToDisableMigrationChecks("printf")
       pushCommand(
         chisel3.internal.firrtl.ir.Printf(printfId, sourceInfo, clock.ref, (!Module.disable.value).ref, pable)
       )

src/main/scala/circt/stage/Shell.scala

@@ -6,6 +6,7 @@ import chisel3.stage.{
   ChiselCircuitAnnotation,
   ChiselGeneratorAnnotation,
   CircuitSerializationAnnotation,
+  EmitVerifStatementDisableProperties,
   PrintFullStackTraceAnnotation,
   RemapLayer,
   SourceRootAnnotation,
@@ -44,7 +45,8 @@ trait CLI extends BareShell { this: BareShell =>
     WarningConfigurationFileAnnotation,
     SourceRootAnnotation,
     DumpFir,
-    RemapLayer
+    RemapLayer,
+    EmitVerifStatementDisableProperties
   ).foreach(_.addOptions(parser))
 
   parser.note("CIRCT (MLIR FIRRTL Compiler) options")

src/test/scala/chiselTests/VerificationSpec.scala

@@ -21,7 +21,7 @@ class SimpleTest extends Module {
   }
 }
 
-class VerificationSpec extends ChiselPropSpec with Matchers {
+class VerificationSpec extends ChiselPropSpec with FileCheck with Matchers {
 
   def assertContains(s: Seq[String], x: String): Unit = {
     val containsLine = s.map(_.contains(x)).reduce(_ || _)
@@ -74,4 +74,32 @@ class VerificationSpec extends ChiselPropSpec with Matchers {
     exactly(1, svLines) should include("assume(io_in != 8'h2)")
     exactly(1, svLines) should include("$error(\"Assumption failed")
   }
+
+  property("verification statements should check that Disable toggles") {
+    class DisableChecksTest extends Module {
+      val io = IO(new Bundle {
+        val in = Input(UInt(8.W))
+        val out = Output(UInt(8.W))
+      })
+      io.out := io.in
+      val assert = chisel3.assert(io.out === io.in)
+      printf(cf"io: ${io.in}")
+    }
+
+    val fir = ChiselStage.emitCHIRRTL(
+      new DisableChecksTest,
+      args = Array("--emit-verif-statement-disable-properties")
+    )
+    fileCheckString(fir)(
+      """
+      CHECK: node assert_disable =
+      CHECK: node [[NOT_DISABLE:[a-zA-Z0-9_]+]] = eq(assert_disable, UInt<1>(0h0))
+      CHECK: node assert_ltl_eventually = intrinsic(circt_ltl_eventually : UInt<1>, [[NOT_DISABLE]])
+
+      CHECK: node disable =
+      CHECK: node [[NOT_DISABLE_1:[a-zA-Z0-9_]+]] = eq(disable, UInt<1>(0h0))
+      CHECK: node ltl_eventually = intrinsic(circt_ltl_eventually : UInt<1>, [[NOT_DISABLE_1]])
+      """
+    )
+  }
 }