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Support sequence intersect operator (#7374)

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This commit is contained in:
Yilou Wang
2026-04-08 09:31:54 +02:00
committed by GitHub
parent 2736262b98
commit 141fe8bdad
17 changed files with 306 additions and 12 deletions
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src/V3AssertPre.cpp
+2 -1
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@@ -745,7 +745,7 @@ private:
AstSenTree* const senTreep = newSenTree(nodep);
AstAlways* const alwaysp = new AstAlways{flp, VAlwaysKwd::ALWAYS, senTreep, ifp};
cntVarp->addNextHere(alwaysp);
// Match when N-1 previous cycles were true and current cycle is true
// Match: cnt >= N-1 (previous cycles via NBA) && expr (current cycle)
AstNodeExpr* const cntCheckp = new AstGte{flp, new AstVarRef{flp, cntVarp, VAccess::READ},
new AstConst{flp, static_cast<uint32_t>(n - 1)}};
cntCheckp->dtypeSetBit();
@@ -852,6 +852,7 @@ private:
AstVar* const cntVarp = new AstVar{flp, VVarType::BLOCKTEMP, name + "__counter",
exprp->findBasicDType(VBasicDTypeKwd::UINT32)};
cntVarp->lifetime(VLifetime::AUTOMATIC_EXPLICIT);
cntVarp->noSample(true);
AstBegin* const beginp = new AstBegin{flp, name + "__block", cntVarp, true};
beginp->addStmtsp(