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Fix internals to make null-pointer-check clean. Also add more const's. No functional change intended, but likely something will break.

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Wilson Snyder
2018-02-01 21:32:58 -05:00
parent 94e8cf1de9
commit 597d28b505
73 changed files with 1421 additions and 1373 deletions
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src/V3LifePost.cpp
+2 -2
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@@ -148,8 +148,8 @@ private:
}
}
virtual void visit(AstAssignPost* nodep) {
if (AstVarRef* lhsp = nodep->lhsp()->castVarRef()) {
if (AstVarRef* rhsp = nodep->rhsp()->castVarRef()) {
if (AstVarRef* lhsp = VN_CAST(nodep->lhsp(), VarRef)) {
if (AstVarRef* rhsp = VN_CAST(nodep->rhsp(), VarRef)) {
// Scrunch these:
// __Vdly__q = __PVT__clk_clocks;
// ... {no reads or writes of __PVT__q after the first write to __Vdly__q}