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Fix concatenation and type casting (#6012) (#6013)

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This commit is contained in:
Todd Strader
2025-05-21 08:41:29 -04:00
committed by GitHub
parent de08655c5b
commit d400584460
3 changed files with 65 additions and 0 deletions
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src/V3Width.cpp
+6
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@@ -2112,6 +2112,7 @@ class WidthVisitor final : public VNVisitor {
VFlagChildDType{}, refp};
nodep->replaceWith(newp);
VL_DO_DANGLING(pushDeletep(nodep), nodep);
userIterate(newp, m_vup);
} else {
nodep->v3warn(E_UNSUPPORTED,
"Unsupported: Cast to " << nodep->dtp()->prettyTypeName());
@@ -2126,6 +2127,11 @@ class WidthVisitor final : public VNVisitor {
if (m_vup->prelim()) {
if (debug() >= 9) nodep->dumpTree("- CastPre: ");
// if (debug()) nodep->backp()->dumpTree("- CastPreUpUp: ");
if (AstSigned* const fromp = VN_CAST(nodep->fromp(), Signed)) {
AstNode* const lhsp = fromp->lhsp()->unlinkFrBack();
fromp->replaceWith(lhsp);
VL_DO_DANGLING(fromp->deleteTree(), fromp);
}
userIterateAndNext(nodep->fromp(), WidthVP{SELF, PRELIM}.p());
if (debug() >= 9) nodep->dumpTree("- CastDit: ");
AstNodeDType* const toDtp = nodep->dtypep()->skipRefToEnump();