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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/V3Premit.cpp
+4 -4
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@@ -58,7 +58,7 @@ private:
}
virtual void visit(AstVarRef* nodep) override {
// it's LHS var is used so need a deep temporary
if (nodep->lvalue()) {
if (nodep->access().isWrite()) {
nodep->varp()->user4(true);
} else {
if (nodep->varp()->user4()) {
@@ -173,11 +173,11 @@ private:
AstVar* varp = getBlockTemp(nodep);
if (noSubst) varp->noSubst(true); // Do not remove varrefs to this in V3Const
// Replace node tree with reference to var
AstVarRef* newp = new AstVarRef(nodep->fileline(), varp, false);
AstVarRef* newp = new AstVarRef(nodep->fileline(), varp, VAccess::READ);
linker.relink(newp);
// Put assignment before the referencing statement
AstAssign* assp = new AstAssign(nodep->fileline(),
new AstVarRef(nodep->fileline(), varp, true), nodep);
AstAssign* assp = new AstAssign(
nodep->fileline(), new AstVarRef(nodep->fileline(), varp, VAccess::WRITE), nodep);
insertBeforeStmt(assp);
if (debug() > 8) assp->dumpTree(cout, "deepou:");
nodep->user1(true); // Don't add another assignment