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Fix constification removing continuous always blocks

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git-svn-id: file://localhost/svn/verilator/trunk/verilator@940 77ca24e4-aefa-0310-84f0-b9a241c72d87
This commit is contained in:
Wilson Snyder
2007-06-15 14:39:52 +00:00
parent 829d80d5b5
commit 84a778719a
5 changed files with 103 additions and 2 deletions
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src/V3Const.cpp
+6 -1
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@@ -802,7 +802,12 @@ private:
if (nodep->sensp()->castConst()
|| (nodep->varrefp() && nodep->varrefp()->varp()->isParam())) {
// Constants in sensitivity lists may be removed (we'll simplify later)
AstSenItem* newp = new AstSenItem(nodep->fileline(), AstSenItem::Never());
AstSenItem* newp;
if (nodep->isClocked()) { // A constant can never get a pos/negexge
newp = new AstSenItem(nodep->fileline(), AstSenItem::Never());
} else { // Otherwise it may compute a result that needs to settle out
newp = new AstSenItem(nodep->fileline(), AstSenItem::Combo());
}
nodep->replaceWith(newp);
nodep->deleteTree(); nodep=NULL;
} else if (nodep->sensp()->castNot()) {