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Internals: Use and enforce class final for ~5% performance boost.

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This commit is contained in:
Wilson Snyder
2020-11-18 21:32:16 -05:00
parent c0888c1b0f
commit b6ded59c2b
224 changed files with 976 additions and 949 deletions
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src/V3Split.cpp
+15 -15
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@@ -95,7 +95,7 @@
//######################################################################
// Support classes
class SplitNodeVertex : public V3GraphVertex {
class SplitNodeVertex VL_NOT_FINAL : public V3GraphVertex {
AstNode* m_nodep;
protected:
@@ -115,7 +115,7 @@ public:
virtual AstNode* nodep() const { return m_nodep; }
};
class SplitPliVertex : public SplitNodeVertex {
class SplitPliVertex final : public SplitNodeVertex {
public:
explicit SplitPliVertex(V3Graph* graphp, AstNode* nodep)
: SplitNodeVertex{graphp, nodep} {}
@@ -124,7 +124,7 @@ public:
virtual string dotColor() const override { return "green"; }
};
class SplitLogicVertex : public SplitNodeVertex {
class SplitLogicVertex final : public SplitNodeVertex {
public:
SplitLogicVertex(V3Graph* graphp, AstNode* nodep)
: SplitNodeVertex{graphp, nodep} {}
@@ -132,7 +132,7 @@ public:
virtual string dotColor() const override { return "yellow"; }
};
class SplitVarStdVertex : public SplitNodeVertex {
class SplitVarStdVertex final : public SplitNodeVertex {
public:
SplitVarStdVertex(V3Graph* graphp, AstNode* nodep)
: SplitNodeVertex{graphp, nodep} {}
@@ -140,7 +140,7 @@ public:
virtual string dotColor() const override { return "skyblue"; }
};
class SplitVarPostVertex : public SplitNodeVertex {
class SplitVarPostVertex final : public SplitNodeVertex {
public:
SplitVarPostVertex(V3Graph* graphp, AstNode* nodep)
: SplitNodeVertex{graphp, nodep} {}
@@ -152,7 +152,7 @@ public:
//######################################################################
// Edge types
class SplitEdge : public V3GraphEdge {
class SplitEdge VL_NOT_FINAL : public V3GraphEdge {
uint32_t m_ignoreInStep = 0; // Step number that if set to, causes this edge to be ignored
static uint32_t s_stepNum; // Global step number
protected:
@@ -185,7 +185,7 @@ public:
};
uint32_t SplitEdge::s_stepNum = 0;
class SplitPostEdge : public SplitEdge {
class SplitPostEdge final : public SplitEdge {
public:
SplitPostEdge(V3Graph* graphp, V3GraphVertex* fromp, V3GraphVertex* top)
: SplitEdge{graphp, fromp, top, WEIGHT_NORMAL} {}
@@ -194,7 +194,7 @@ public:
virtual string dotColor() const override { return "khaki"; }
};
class SplitLVEdge : public SplitEdge {
class SplitLVEdge final : public SplitEdge {
public:
SplitLVEdge(V3Graph* graphp, V3GraphVertex* fromp, V3GraphVertex* top)
: SplitEdge{graphp, fromp, top, WEIGHT_NORMAL} {}
@@ -203,7 +203,7 @@ public:
virtual string dotColor() const override { return "yellowGreen"; }
};
class SplitRVEdge : public SplitEdge {
class SplitRVEdge final : public SplitEdge {
public:
SplitRVEdge(V3Graph* graphp, V3GraphVertex* fromp, V3GraphVertex* top)
: SplitEdge{graphp, fromp, top, WEIGHT_NORMAL} {}
@@ -235,7 +235,7 @@ public:
//######################################################################
// Split class functions
class SplitReorderBaseVisitor : public AstNVisitor {
class SplitReorderBaseVisitor VL_NOT_FINAL : public AstNVisitor {
private:
// NODE STATE
// AstVarScope::user1p -> Var SplitNodeVertex* for usage var, 0=not set yet
@@ -439,7 +439,7 @@ private:
VL_UNCOPYABLE(SplitReorderBaseVisitor);
};
class ReorderVisitor : public SplitReorderBaseVisitor {
class ReorderVisitor final : public SplitReorderBaseVisitor {
// CONSTRUCTORS
public:
explicit ReorderVisitor(AstNetlist* nodep) { iterate(nodep); }
@@ -622,7 +622,7 @@ private:
typedef std::unordered_set<uint32_t> ColorSet;
typedef std::vector<AstAlways*> AlwaysVec;
class IfColorVisitor : public AstNVisitor {
class IfColorVisitor final : public AstNVisitor {
// MEMBERS
ColorSet m_colors; // All colors in the original always block
@@ -680,7 +680,7 @@ private:
VL_UNCOPYABLE(IfColorVisitor);
};
class EmitSplitVisitor : public AstNVisitor {
class EmitSplitVisitor final : public AstNVisitor {
// MEMBERS
AstAlways* m_origAlwaysp; // Block that *this will split
const IfColorVisitor* m_ifColorp; // Digest of results of prior coloring
@@ -793,7 +793,7 @@ private:
VL_UNCOPYABLE(EmitSplitVisitor);
};
class RemovePlaceholdersVisitor : public AstNVisitor {
class RemovePlaceholdersVisitor final : public AstNVisitor {
typedef std::unordered_set<AstNode*> NodeSet;
NodeSet m_removeSet; // placeholders to be removed
public:
@@ -812,7 +812,7 @@ private:
VL_UNCOPYABLE(RemovePlaceholdersVisitor);
};
class SplitVisitor : public SplitReorderBaseVisitor {
class SplitVisitor final : public SplitReorderBaseVisitor {
private:
// Keys are original always blocks pending delete,
// values are newly split always blocks pending insertion