6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-14 16:33:28 +00:00
Code Issues Projects Releases Wiki Activity

Remove capability for polymorphic destruction from LexicalScope

Browse Source 
and LexicalScopes, we're not using it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195182 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-11-20 00:54:28 +00:00
parent 1f12b50b83
commit b88a94faaa
3 changed files with 10 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/llvm/CodeGen/LexicalScopes.h
View File

@ -45,13 +45,14 @@ typedef std::pair<const MachineInstr *, const MachineInstr *> InsnRange;
class LexicalScopes { class LexicalScopes {
public: public:
LexicalScopes() : MF(NULL), CurrentFnLexicalScope(NULL) {} LexicalScopes() : MF(NULL), CurrentFnLexicalScope(NULL) {}
virtual ~LexicalScopes(); ~LexicalScopes();
/// initialize - Scan machine function and constuct lexical scope nest. /// initialize - Scan machine function and constuct lexical scope nest, resets
virtual void initialize(const MachineFunction &); /// the instance if necessary.
void initialize(const MachineFunction &);
/// releaseMemory - release memory. /// releaseMemory - release memory.
virtual void releaseMemory(); void reset();
/// empty - Return true if there is any lexical scope information available. /// empty - Return true if there is any lexical scope information available.
bool empty() { return CurrentFnLexicalScope == NULL; } bool empty() { return CurrentFnLexicalScope == NULL; }
@ -156,7 +157,6 @@ private:
/// LexicalScope - This class is used to track scope information. /// LexicalScope - This class is used to track scope information.
/// ///
class LexicalScope { class LexicalScope {
virtual void anchor();
public: public:
LexicalScope(LexicalScope *P, const MDNode *D, const MDNode *I, bool A) LexicalScope(LexicalScope *P, const MDNode *D, const MDNode *I, bool A)
@ -166,8 +166,6 @@ public:
Parent->addChild(this); Parent->addChild(this);
} }
virtual ~LexicalScope() {}
// Accessors. // Accessors.
LexicalScope *getParent() const { return Parent; } LexicalScope *getParent() const { return Parent; }
const MDNode *getDesc() const { return Desc; } const MDNode *getDesc() const { return Desc; }

11
lib/CodeGen/LexicalScopes.cpp
View File

@ -25,10 +25,11 @@
#include "llvm/Support/FormattedStream.h" #include "llvm/Support/FormattedStream.h"
using namespace llvm; using namespace llvm;
LexicalScopes::~LexicalScopes() { releaseMemory(); } /// ~LexicalScopes - final cleanup after ourselves.
LexicalScopes::~LexicalScopes() { reset(); }
/// releaseMemory - release memory. /// reset - Reset the instance so that it's prepared for another function.
void LexicalScopes::releaseMemory() { void LexicalScopes::reset() {
MF = NULL; MF = NULL;
CurrentFnLexicalScope = NULL; CurrentFnLexicalScope = NULL;
DeleteContainerSeconds(LexicalScopeMap); DeleteContainerSeconds(LexicalScopeMap);
@ -39,7 +40,7 @@ void LexicalScopes::releaseMemory() {
/// initialize - Scan machine function and constuct lexical scope nest. /// initialize - Scan machine function and constuct lexical scope nest.
void LexicalScopes::initialize(const MachineFunction &Fn) { void LexicalScopes::initialize(const MachineFunction &Fn) {
releaseMemory(); reset();
MF = &Fn; MF = &Fn;
SmallVector<InsnRange, 4> MIRanges; SmallVector<InsnRange, 4> MIRanges;
DenseMap<const MachineInstr *, LexicalScope *> MI2ScopeMap; DenseMap<const MachineInstr *, LexicalScope *> MI2ScopeMap;
@ -311,8 +312,6 @@ bool LexicalScopes::dominates(DebugLoc DL, MachineBasicBlock *MBB) {
return Result; return Result;
} }
void LexicalScope::anchor() {}
/// dump - Print data structures. /// dump - Print data structures.
void LexicalScope::dump(unsigned Indent) const { void LexicalScope::dump(unsigned Indent) const {
#ifndef NDEBUG #ifndef NDEBUG

1
lib/CodeGen/LiveDebugVariables.cpp
View File

@ -704,7 +704,6 @@ bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
bool Changed = collectDebugValues(mf); bool Changed = collectDebugValues(mf);
computeIntervals(); computeIntervals();
DEBUG(print(dbgs())); DEBUG(print(dbgs()));
LS.releaseMemory();
ModifiedMF = Changed; ModifiedMF = Changed;
return Changed; return Changed;
} }