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Internals: Replace unnecessary AstSel::widthp() child node with const in node (#6117)

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This commit is contained in:
Geza Lore
2025-06-24 11:59:09 -04:00
committed by GitHub
parent a9e9ab50bd
commit 916d473eff
28 changed files with 276 additions and 354 deletions
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src/V3DfgAstToDfg.cpp
+2 -6
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@@ -172,7 +172,7 @@ class AstToDfgVisitor final : public VNVisitor {
if (AstSel* const selp = VN_CAST(nodep, Sel)) {
AstVarRef* const vrefp = VN_CAST(selp->fromp(), VarRef);
const AstConst* const lsbp = VN_CAST(selp->lsbp(), Const);
if (!vrefp || !lsbp || !VN_IS(selp->widthp(), Const)) {
if (!vrefp || !lsbp) {
++m_ctx.m_nonRepLhs;
return false;
}
@@ -555,11 +555,7 @@ class AstToDfgVisitor final : public VNVisitor {
void visit(AstSel* nodep) override {
UASSERT_OBJ(!nodep->user1p(), nodep, "Already has Dfg vertex");
if (unhandled(nodep)) return;
if (!VN_IS(nodep->widthp(), Const)) { // This should never be taken, but paranoia
m_foundUnhandled = true;
++m_ctx.m_nonRepNode;
return;
}
iterate(nodep->fromp());
if (m_foundUnhandled) return;