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Internals: Add $past variable statistic

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This commit is contained in:
Wilson Snyder
2025-08-23 21:10:46 -04:00
parent b226be7f98
commit 7affb3e580
3 changed files with 23 additions and 14 deletions
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src/V3AssertPre.cpp
+12 -12
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@@ -461,9 +461,9 @@ private:
if (exprp->width() > 1) exprp = new AstSel{fl, exprp, 0, 1};
AstSenTree* sentreep = nodep->sentreep();
if (sentreep) sentreep->unlinkFrBack();
AstNodeExpr* const past = new AstPast{fl, exprp};
past->dtypeFrom(exprp);
exprp = new AstAnd{fl, past, new AstNot{fl, exprp->cloneTreePure(false)}};
AstNodeExpr* const pastp = new AstPast{fl, exprp};
pastp->dtypeFrom(exprp);
exprp = new AstAnd{fl, pastp, new AstNot{fl, exprp->cloneTreePure(false)}};
exprp->dtypeSetBit();
nodep->replaceWith(exprp);
nodep->sentreep(newSenTree(nodep, sentreep));
@@ -482,9 +482,9 @@ private:
if (exprp->width() > 1) exprp = new AstSel{fl, exprp, 0, 1};
AstSenTree* sentreep = nodep->sentreep();
if (sentreep) sentreep->unlinkFrBack();
AstNodeExpr* const past = new AstPast{fl, exprp};
past->dtypeFrom(exprp);
exprp = new AstAnd{fl, new AstNot{fl, past}, exprp->cloneTreePure(false)};
AstNodeExpr* const pastp = new AstPast{fl, exprp};
pastp->dtypeFrom(exprp);
exprp = new AstAnd{fl, new AstNot{fl, pastp}, exprp->cloneTreePure(false)};
exprp->dtypeSetBit();
nodep->replaceWith(exprp);
nodep->sentreep(newSenTree(nodep, sentreep));
@@ -497,9 +497,9 @@ private:
AstNodeExpr* exprp = nodep->exprp()->unlinkFrBack();
AstSenTree* sentreep = nodep->sentreep();
if (sentreep) sentreep->unlinkFrBack();
AstNodeExpr* const past = new AstPast{fl, exprp};
past->dtypeFrom(exprp);
exprp = new AstEq{fl, past, exprp->cloneTreePure(false)};
AstNodeExpr* const pastp = new AstPast{fl, exprp};
pastp->dtypeFrom(exprp);
exprp = new AstEq{fl, pastp, exprp->cloneTreePure(false)};
exprp->dtypeSetBit();
nodep->replaceWith(exprp);
nodep->sentreep(newSenTree(nodep, sentreep));
@@ -515,9 +515,9 @@ private:
if (m_disablep) lhsp = new AstAnd{fl, new AstNot{fl, m_disablep}, lhsp};
AstNodeExpr* const past = new AstPast{fl, lhsp};
past->dtypeFrom(lhsp);
AstNodeExpr* const exprp = new AstOr{fl, new AstNot{fl, past}, rhsp};
AstNodeExpr* const pastp = new AstPast{fl, lhsp};
pastp->dtypeFrom(lhsp);
AstNodeExpr* const exprp = new AstOr{fl, new AstNot{fl, pastp}, rhsp};
exprp->dtypeSetBit();
nodep->replaceWith(exprp);
nodep->sentreep(newSenTree(nodep));