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Internals: Create VAccess class. No functional change intended.

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This commit is contained in:
Wilson Snyder
2020-09-07 17:09:25 -04:00
parent cc134b38ee
commit 1899a875a4
52 changed files with 470 additions and 384 deletions
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src/V3Inline.cpp
+13 -11
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@@ -313,9 +313,9 @@ private:
UASSERT_OBJ(exprconstp || exprvarrefp, nodep,
"Unknown interconnect type; pinReconnectSimple should have cleared up");
if (exprconstp) {
m_modp->addStmtp(new AstAssignW(nodep->fileline(),
new AstVarRef(nodep->fileline(), nodep, true),
exprconstp->cloneTree(true)));
m_modp->addStmtp(new AstAssignW(
nodep->fileline(), new AstVarRef(nodep->fileline(), nodep, VAccess::WRITE),
exprconstp->cloneTree(true)));
} else if (nodep->user3()) {
// Public variable at the lower module end - we need to make sure we propagate
// the logic changes up and down; if we aliased, we might
@@ -323,20 +323,22 @@ private:
UINFO(9, "public pin assign: " << exprvarrefp << endl);
UASSERT_OBJ(!nodep->isNonOutput(), nodep, "Outputs only - inputs use AssignAlias");
m_modp->addStmtp(new AstAssignW(
nodep->fileline(), new AstVarRef(nodep->fileline(), exprvarrefp->varp(), true),
new AstVarRef(nodep->fileline(), nodep, false)));
nodep->fileline(),
new AstVarRef(nodep->fileline(), exprvarrefp->varp(), VAccess::WRITE),
new AstVarRef(nodep->fileline(), nodep, VAccess::READ)));
} else if (nodep->isSigPublic() && VN_IS(nodep->dtypep(), UnpackArrayDType)) {
// Public variable at this end and it is an unpacked array. We need to assign
// instead of aliased, because otherwise it will pass V3Slice and invalid
// code will be emitted.
UINFO(9, "assign to public and unpacked: " << nodep << endl);
m_modp->addStmtp(new AstAssignW(
nodep->fileline(), new AstVarRef(nodep->fileline(), exprvarrefp->varp(), true),
new AstVarRef(nodep->fileline(), nodep, false)));
nodep->fileline(),
new AstVarRef(nodep->fileline(), exprvarrefp->varp(), VAccess::WRITE),
new AstVarRef(nodep->fileline(), nodep, VAccess::READ)));
} else if (nodep->isIfaceRef()) {
m_modp->addStmtp(new AstAssignVarScope(
nodep->fileline(), new AstVarRef(nodep->fileline(), nodep, true),
new AstVarRef(nodep->fileline(), exprvarrefp->varp(), false)));
nodep->fileline(), new AstVarRef(nodep->fileline(), nodep, VAccess::WRITE),
new AstVarRef(nodep->fileline(), exprvarrefp->varp(), VAccess::READ)));
AstNode* nodebp = exprvarrefp->varp();
nodep->fileline()->modifyStateInherit(nodebp->fileline());
nodebp->fileline()->modifyStateInherit(nodep->fileline());
@@ -344,8 +346,8 @@ private:
// Do to inlining child's variable now within the same
// module, so a AstVarRef not AstVarXRef below
m_modp->addStmtp(new AstAssignAlias(
nodep->fileline(), new AstVarRef(nodep->fileline(), nodep, true),
new AstVarRef(nodep->fileline(), exprvarrefp->varp(), false)));
nodep->fileline(), new AstVarRef(nodep->fileline(), nodep, VAccess::WRITE),
new AstVarRef(nodep->fileline(), exprvarrefp->varp(), VAccess::READ)));
AstNode* nodebp = exprvarrefp->varp();
nodep->fileline()->modifyStateInherit(nodebp->fileline());
nodebp->fileline()->modifyStateInherit(nodep->fileline());