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Internals: Spacing change in prep for LifePost rewrite from branch. No functional change.

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This commit is contained in:
Wilson Snyder 2018-06-20 20:24:11 -04:00
parent 1fad055286
commit 2a5123f318
1 changed files with 66 additions and 72 deletions
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28
src/V3LifePost.cpp
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@ -39,18 +39,10 @@
#include "V3Stats.h" #include "V3Stats.h"
#include "V3Ast.h" #include "V3Ast.h"
//######################################################################
// LifePost state, as a visitor of each AstNode
class LifePostBaseVisitor : public AstNVisitor {
protected:
VL_DEBUG_FUNC; // Declare debug()
};
//###################################################################### //######################################################################
// LifePost class functions // LifePost class functions
class LifePostElimVisitor : public LifePostBaseVisitor { class LifePostElimVisitor : public AstNVisitor {
private: private:
bool m_tracingCall; // Iterating into a CCall to a CFunc bool m_tracingCall; // Iterating into a CCall to a CFunc
@ -58,6 +50,9 @@ private:
// INPUT: // INPUT:
// AstVarScope::user4p() -> AstVarScope*, If set, replace this varscope with specified new one // AstVarScope::user4p() -> AstVarScope*, If set, replace this varscope with specified new one
// STATE // STATE
// METHODS
VL_DEBUG_FUNC; // Declare debug()
// VISITORS // VISITORS
virtual void visit(AstVarRef* nodep) { virtual void visit(AstVarRef* nodep) {
AstVarScope* vscp = nodep->varScopep(); AstVarScope* vscp = nodep->varScopep();
@ -102,7 +97,7 @@ public:
//###################################################################### //######################################################################
// LifePost delay elimination // LifePost delay elimination
class LifePostDlyVisitor : public LifePostBaseVisitor { class LifePostDlyVisitor : public AstNVisitor {
private: private:
// NODE STATE // NODE STATE
// Cleared on entire tree // Cleared on entire tree
@ -114,9 +109,12 @@ private:
AstUser4InUse m_inuser4; AstUser4InUse m_inuser4;
// STATE // STATE
uint32_t m_sequence; // Sequence number of assignments/varrefs uint32_t m_sequence; // Sequence number of assigns/varrefs,
V3Double0 m_statAssnDel; // Statistic tracking V3Double0 m_statAssnDel; // Statistic tracking
bool m_tracingCall; // Tracing a CCall to a CFunc bool m_tracingCall; // Currently tracing a CCall to a CFunc
// METHODS
VL_DEBUG_FUNC; // Declare debug()
// VISITORS // VISITORS
virtual void visit(AstTopScope* nodep) { virtual void visit(AstTopScope* nodep) {
@ -129,7 +127,6 @@ private:
// Replace any node4p varscopes with the new scope // Replace any node4p varscopes with the new scope
LifePostElimVisitor visitor (nodep); LifePostElimVisitor visitor (nodep);
} }
virtual void visit(AstVarRef* nodep) { virtual void visit(AstVarRef* nodep) {
// Consumption/generation of a variable, // Consumption/generation of a variable,
AstVarScope* vscp = nodep->varScopep(); AstVarScope* vscp = nodep->varScopep();
@ -143,7 +140,6 @@ private:
vscp->user2(m_sequence); vscp->user2(m_sequence);
} }
} }
virtual void visit(AstAssignPre* nodep) { virtual void visit(AstAssignPre* nodep) {
// Do not record varrefs within assign pre. // Do not record varrefs within assign pre.
// //
@ -151,7 +147,6 @@ private:
// first write; we only want to consider reads and writes that // first write; we only want to consider reads and writes that
// would still happen if the dly var were eliminated. // would still happen if the dly var were eliminated.
} }
virtual void visit(AstAssignPost* nodep) { virtual void visit(AstAssignPost* nodep) {
if (AstVarRef* lhsp = VN_CAST(nodep->lhsp(), VarRef)) { if (AstVarRef* lhsp = VN_CAST(nodep->lhsp(), VarRef)) {
if (AstVarRef* rhsp = VN_CAST(nodep->rhsp(), VarRef)) { if (AstVarRef* rhsp = VN_CAST(nodep->rhsp(), VarRef)) {
@ -201,7 +196,6 @@ private:
m_tracingCall = false; m_tracingCall = false;
iterateChildren(nodep); iterateChildren(nodep);
} }
//----- //-----
virtual void visit(AstVar*) {} // Don't want varrefs under it virtual void visit(AstVar*) {} // Don't want varrefs under it
virtual void visit(AstNode* nodep) { virtual void visit(AstNode* nodep) {
@ -226,7 +220,7 @@ void V3LifePost::lifepostAll(AstNetlist* nodep) {
UINFO(2,__FUNCTION__<<": "<<endl); UINFO(2,__FUNCTION__<<": "<<endl);
// Mark redundant AssignPost // Mark redundant AssignPost
{ {
LifePostDlyVisitor visitor (nodep); LifePostDlyVisitor visitor(nodep);
} // Destruct before checking } // Destruct before checking
V3Global::dumpCheckGlobalTree("life_post", 0, v3Global.opt.dumpTreeLevel(__FILE__) >= 3); V3Global::dumpCheckGlobalTree("life_post", 0, v3Global.opt.dumpTreeLevel(__FILE__) >= 3);
} }