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Internals: Convert AstNUser to non-pointer to avoid NULL call. No functional change intended.

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This commit is contained in:
Wilson Snyder
2016-11-27 09:40:12 -05:00
parent 7efa40966a
commit 2d0084308d
24 changed files with 187 additions and 164 deletions
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src/V3Slice.cpp
+3 -3
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@@ -71,7 +71,7 @@ class SliceCloneVisitor : public AstNVisitor {
virtual void visit(AstArraySel* nodep) {
if (!nodep->backp()->castArraySel()) {
// This is the top of an ArraySel, setup for iteration
m_refp = nodep->user1p()->castNode()->castVarRef();
m_refp = nodep->user1p()->castVarRef();
m_vecIdx += 1;
if (m_vecIdx == (int)m_selBits.size()) {
m_selBits.push_back(vector<unsigned>());
@@ -259,7 +259,7 @@ class SliceVisitor : public AstNVisitor {
// Insert any implicit slices as explicit slices (ArraySel nodes).
// Return a new pointer to replace nodep() in the ArraySel.
UINFO(9," insertImplicit (startDim="<<startDim<<",c="<<numDimensions<<") "<<nodep<<endl);
AstVarRef* refp = nodep->user1p()->castNode()->castVarRef();
AstVarRef* refp = nodep->user1p()->castVarRef();
if (!refp) nodep->v3fatalSrc("No VarRef in user1 of node "<<nodep);
AstVar* varp = refp->varp();
AstNode* topp = nodep;
@@ -326,7 +326,7 @@ class SliceVisitor : public AstNVisitor {
if (!m_assignp) return;
if (nodep->user3()) return; // Prevent recursion on just created nodes
unsigned dim = explicitDimensions(nodep);
AstVarRef* refp = nodep->user1p()->castNode()->castVarRef();
AstVarRef* refp = nodep->user1p()->castVarRef();
pair<uint32_t,uint32_t> arrDim = refp->varp()->dtypep()->dimensions(false);
uint32_t implicit = (arrDim.second) - dim;
if (implicit > 0) {