Internals: More const. No functional change intended.

This commit is contained in:
Wilson Snyder
2021-11-26 17:55:36 -05:00
parent 010084201a
commit cd737065f2
110 changed files with 1917 additions and 1836 deletions
+21 -19
View File
@@ -322,7 +322,7 @@ protected:
vertexp = vertexp->verticesNextp()) {
if (!vertexp->outBeginp() && dynamic_cast<SplitVarStdVertex*>(vertexp)) {
if (debug() >= 9) {
SplitVarStdVertex* const stdp = static_cast<SplitVarStdVertex*>(vertexp);
const SplitVarStdVertex* const stdp = static_cast<SplitVarStdVertex*>(vertexp);
UINFO(0, "Will prune deps on var " << stdp->nodep() << endl);
stdp->nodep()->dumpTree(cout, "- ");
}
@@ -477,7 +477,8 @@ protected:
// vertexes not involved with this step as unimportant
for (V3GraphVertex* vertexp = m_graph.verticesBeginp(); vertexp;
vertexp = vertexp->verticesNextp()) {
if (SplitLogicVertex* const vvertexp = dynamic_cast<SplitLogicVertex*>(vertexp)) {
if (const SplitLogicVertex* const vvertexp
= dynamic_cast<SplitLogicVertex*>(vertexp)) {
if (!vvertexp->user()) {
for (V3GraphEdge* edgep = vertexp->inBeginp(); edgep;
edgep = edgep->inNextp()) {
@@ -502,7 +503,7 @@ protected:
for (AstNode* nextp = nodep; nextp; nextp = nextp->nextp()) {
SplitLogicVertex* const vvertexp
= reinterpret_cast<SplitLogicVertex*>(nextp->user3p());
uint32_t color = vvertexp->color();
const uint32_t color = vvertexp->color();
UASSERT_OBJ(color, nextp, "No node color assigned");
if (lastOfColor[color]) {
new SplitStrictEdge(&m_graph, lastOfColor[color], vvertexp);
@@ -526,7 +527,7 @@ protected:
std::multimap<uint32_t, AstNode*> rankMap;
int currOrder = 0; // Existing sequence number of assignment
for (AstNode* nextp = nodep; nextp; nextp = nextp->nextp()) {
SplitLogicVertex* const vvertexp
const SplitLogicVertex* const vvertexp
= reinterpret_cast<SplitLogicVertex*>(nextp->user3p());
rankMap.emplace(vvertexp->rank(), nextp);
nextp->user4(++currOrder); // Record current ordering
@@ -536,7 +537,7 @@ protected:
bool leaveAlone = true;
int newOrder = 0; // New sequence number of assignment
for (auto it = rankMap.cbegin(); it != rankMap.cend(); ++it) {
AstNode* const nextp = it->second;
const AstNode* const nextp = it->second;
if (++newOrder != nextp->user4()) leaveAlone = false;
}
if (leaveAlone) {
@@ -650,8 +651,9 @@ public:
private:
void trackNode(AstNode* nodep) {
if (nodep->user3p()) {
SplitLogicVertex* const vertexp = reinterpret_cast<SplitLogicVertex*>(nodep->user3p());
uint32_t color = vertexp->color();
const SplitLogicVertex* const vertexp
= reinterpret_cast<SplitLogicVertex*>(nodep->user3p());
const uint32_t color = vertexp->color();
m_colors.insert(color);
UINFO(8, " SVL " << vertexp << " has color " << color << "\n");
@@ -681,7 +683,7 @@ private:
class EmitSplitVisitor final : public AstNVisitor {
// MEMBERS
AstAlways* const m_origAlwaysp; // Block that *this will split
const AstAlways* const m_origAlwaysp; // Block that *this will split
const IfColorVisitor* const m_ifColorp; // Digest of results of prior coloring
// Map each color to our current place within the color's new always
@@ -747,8 +749,8 @@ protected:
UASSERT_OBJ(nodep->user3p(), nodep, "null user3p in V3Split leaf");
// Clone the leaf into its new always block
SplitLogicVertex* const vxp = reinterpret_cast<SplitLogicVertex*>(nodep->user3p());
uint32_t color = vxp->color();
const SplitLogicVertex* const vxp = reinterpret_cast<SplitLogicVertex*>(nodep->user3p());
const uint32_t color = vxp->color();
AstNode* const clonedp = nodep->cloneTree(false);
m_addAfter[color]->addNextHere(clonedp);
m_addAfter[color] = clonedp;
@@ -765,7 +767,7 @@ protected:
AstSplitPlaceholder* const else_placeholderp = makePlaceholderp();
AstIf* const clonep = new AstIf(nodep->fileline(), nodep->condp()->cloneTree(true),
if_placeholderp, else_placeholderp);
AstIf* const origp = VN_CAST(nodep, If);
const AstIf* const origp = VN_CAST(nodep, If);
if (origp) {
// Preserve pragmas from unique if's
// so assertions work properly
@@ -817,7 +819,7 @@ private:
std::unordered_map<AstAlways*, AlwaysVec> m_replaceBlocks;
// AstNodeIf* whose condition we're currently visiting
AstNode* m_curIfConditional = nullptr;
const AstNode* m_curIfConditional = nullptr;
// CONSTRUCTORS
public:
@@ -832,7 +834,7 @@ public:
for (AlwaysVec::iterator addme = it->second.begin(); addme != it->second.end();
++addme) {
origp->addNextHere(*addme);
RemovePlaceholdersVisitor removePlaceholders(*addme);
RemovePlaceholdersVisitor{*addme};
}
origp->unlinkFrBack(); // Without next
VL_DO_DANGLING(origp->deleteTree(), origp);
@@ -847,7 +849,7 @@ protected:
// Each 'if' depends on rvalues in its own conditional ONLY,
// not rvalues in the if/else bodies.
for (auto it = m_stmtStackps.cbegin(); it != m_stmtStackps.cend(); ++it) {
AstNodeIf* const ifNodep = VN_CAST((*it)->nodep(), NodeIf);
const AstNodeIf* const ifNodep = VN_CAST((*it)->nodep(), NodeIf);
if (ifNodep && (m_curIfConditional != ifNodep)) continue;
new SplitRVEdge(&m_graph, *it, vstdp);
}
@@ -871,15 +873,15 @@ protected:
// inputs) prune all edges that depend on the 'if'.
for (V3GraphVertex* vertexp = m_graph.verticesBeginp(); vertexp;
vertexp = vertexp->verticesNextp()) {
SplitLogicVertex* const logicp = dynamic_cast<SplitLogicVertex*>(vertexp);
const SplitLogicVertex* const logicp = dynamic_cast<SplitLogicVertex*>(vertexp);
if (!logicp) continue;
AstNodeIf* const ifNodep = VN_CAST(logicp->nodep(), NodeIf);
const AstNodeIf* const ifNodep = VN_CAST(logicp->nodep(), NodeIf);
if (!ifNodep) continue;
bool pruneMe = true;
for (V3GraphEdge* edgep = logicp->outBeginp(); edgep; edgep = edgep->outNextp()) {
SplitEdge* const oedgep = dynamic_cast<SplitEdge*>(edgep);
const SplitEdge* const oedgep = dynamic_cast<SplitEdge*>(edgep);
if (!oedgep->ignoreThisStep()) {
// This if conditional depends on something we can't
// prune -- a variable generated in the current block.
@@ -889,7 +891,7 @@ protected:
// give a hint about why...
if (debug() >= 9) {
V3GraphVertex* vxp = oedgep->top();
SplitNodeVertex* const nvxp = dynamic_cast<SplitNodeVertex*>(vxp);
const SplitNodeVertex* const nvxp = dynamic_cast<SplitNodeVertex*>(vxp);
UINFO(0, "Cannot prune if-node due to edge "
<< oedgep << " pointing to node " << nvxp->nodep() << endl);
nvxp->nodep()->dumpTree(cout, "- ");
@@ -936,7 +938,7 @@ protected:
// Map each AstNodeIf to the set of colors (split always blocks)
// it must participate in. Also find the whole set of colors.
IfColorVisitor ifColor{nodep};
const IfColorVisitor ifColor{nodep};
if (ifColor.colors().size() > 1) {
// Counting original always blocks rather than newly-split