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Internals: Add cloneTreePure to prepare for side effect check.

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Use cloneTreePure when what is being cloned must be side-effect free.
Use cloneTree when safe to contain side effects (e.g. cloning module).
This commit is contained in:
Wilson Snyder
2023-09-16 22:50:54 -04:00
parent cd1fe64e6c
commit 761adf1cf0
25 changed files with 193 additions and 180 deletions
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src/V3Assert.cpp
+8 -8
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@@ -243,7 +243,7 @@ private:
}
// Build a bitmask of the true predicates
AstNodeExpr* const predp = ifp->condp()->cloneTree(false);
AstNodeExpr* const predp = ifp->condp()->cloneTreePure(false);
if (propp) {
propp = new AstConcat{nodep->fileline(), predp, propp};
} else {
@@ -312,17 +312,17 @@ private:
icondp = VN_AS(icondp->nextp(), NodeExpr)) {
AstNodeExpr* onep;
if (AstInsideRange* const rcondp = VN_CAST(icondp, InsideRange)) {
onep = rcondp->newAndFromInside(nodep->exprp(),
rcondp->lhsp()->cloneTree(true),
rcondp->rhsp()->cloneTree(true));
onep = rcondp->newAndFromInside(
nodep->exprp(), rcondp->lhsp()->cloneTreePure(true),
rcondp->rhsp()->cloneTreePure(true));
} else if (nodep->casex() || nodep->casez() || nodep->caseInside()) {
onep = AstEqWild::newTyped(itemp->fileline(),
nodep->exprp()->cloneTree(false),
icondp->cloneTree(false));
nodep->exprp()->cloneTreePure(false),
icondp->cloneTreePure(false));
} else {
onep = AstEq::newTyped(icondp->fileline(),
nodep->exprp()->cloneTree(false),
icondp->cloneTree(false));
nodep->exprp()->cloneTreePure(false),
icondp->cloneTreePure(false));
}
if (propp) {
propp = new AstConcat{icondp->fileline(), onep, propp};