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Localize variables from other modules when possible

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V3Localize can now localize variable references that reference variables
located in scopes different from the referencing function. This also
means V3Descope has now moved after V3Localize.
This commit is contained in:
Geza Lore
2021-06-18 16:22:51 +01:00
parent d5bdd07c01
commit 3ec1e9eb07
6 changed files with 112 additions and 124 deletions
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src/V3DepthBlock.cpp
+8 -9
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@@ -48,25 +48,24 @@ private:
AstCFunc* createDeepFunc(AstNode* nodep) {
AstNRelinker relinkHandle;
nodep->unlinkFrBack(&relinkHandle);
// Create function
string name = m_cfuncp->name() + "__deep" + cvtToStr(++m_deepNum);
AstCFunc* funcp = new AstCFunc(nodep->fileline(), name, nullptr);
// Create sub function
AstScope* const scopep = m_cfuncp->scopep();
const string name = m_cfuncp->name() + "__deep" + cvtToStr(++m_deepNum);
AstCFunc* const funcp = new AstCFunc(nodep->fileline(), name, scopep);
funcp->slow(m_cfuncp->slow());
funcp->isStatic(m_cfuncp->isStatic());
funcp->isLoose(m_cfuncp->isLoose());
funcp->addStmtsp(nodep);
m_modp->addStmtp(funcp);
// Call it at the point where the body was removed from
AstCCall* callp = new AstCCall(nodep->fileline(), funcp);
scopep->addActivep(funcp);
// Call sub function at the point where the body was removed from
AstCCall* const callp = new AstCCall(nodep->fileline(), funcp);
if (VN_IS(m_modp, Class)) {
funcp->argTypes(EmitCBaseVisitor::symClassVar());
callp->argTypes("vlSymsp");
} else if (!funcp->isStatic()) {
callp->selfPointer("this");
}
UINFO(6, " New " << callp << endl);
//
relinkHandle.relink(callp);
// Done
return funcp;
}