diff options
Diffstat (limited to 'src/main')
| -rw-r--r-- | src/main/scala/firrtl/transforms/ConstantPropagation.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/scala/firrtl/transforms/ConstantPropagation.scala b/src/main/scala/firrtl/transforms/ConstantPropagation.scala index b767ef65..d08a7e6b 100644 --- a/src/main/scala/firrtl/transforms/ConstantPropagation.scala +++ b/src/main/scala/firrtl/transforms/ConstantPropagation.scala @@ -367,7 +367,7 @@ class ConstantPropagation extends Transform { // Const prop registers that are fed only a constant or a mux between and constant and the // register itself // This requires that reset has been made explicit - case Connect(_, lref @ WRef(lname, ltpe, RegKind, _), expr) => expr match { + case Connect(_, lref @ WRef(lname, ltpe, RegKind, _), expr) if !dontTouches.contains(lname) => expr match { case lit: Literal => nodeMap(lname) = constPropExpression(pad(lit, ltpe)) case Mux(_, tval: WRef, fval: Literal, _) if weq(lref, tval) => |