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Use unique_ptr to handle ownership of TreePatterns in CodeGenDAGPatterns::PatternFragments

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We might be able to use unique_ptr to handle ownership of the
TreePatternNodes too - looking into that next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221928 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-11-13 21:40:02 +00:00
parent 365df40768
commit bea87dad5e
3 changed files with 16 additions and 23 deletions
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14
utils/TableGen/CodeGenDAGPatterns.h
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@@ -702,7 +702,8 @@ class CodeGenDAGPatterns {
std::map<Record*, SDNodeInfo, LessRecordByID> SDNodes;
std::map<Record*, std::pair<Record*, std::string>, LessRecordByID> SDNodeXForms;
std::map<Record*, ComplexPattern, LessRecordByID> ComplexPatterns;
std::map<Record*, TreePattern*, LessRecordByID> PatternFragments;
std::map<Record *, std::unique_ptr<TreePattern>, LessRecordByID>
PatternFragments;
std::map<Record*, DAGDefaultOperand, LessRecordByID> DefaultOperands;
std::map<Record*, DAGInstruction, LessRecordByID> Instructions;
@@ -716,7 +717,6 @@ class CodeGenDAGPatterns {
std::vector<PatternToMatch> PatternsToMatch;
public:
CodeGenDAGPatterns(RecordKeeper &R);
~CodeGenDAGPatterns();
CodeGenTarget &getTargetInfo() { return Target; }
const CodeGenTarget &getTargetInfo() const { return Target; }
@@ -778,15 +778,15 @@ public:
// Pattern Fragment information.
TreePattern *getPatternFragment(Record *R) const {
assert(PatternFragments.count(R) && "Invalid pattern fragment request!");
return PatternFragments.find(R)->second;
return PatternFragments.find(R)->second.get();
}
TreePattern *getPatternFragmentIfRead(Record *R) const {
if (!PatternFragments.count(R)) return nullptr;
return PatternFragments.find(R)->second;
if (!PatternFragments.count(R))
return nullptr;
return PatternFragments.find(R)->second.get();
}
typedef std::map<Record*, TreePattern*, LessRecordByID>::const_iterator
pf_iterator;
typedef decltype(PatternFragments)::const_iterator pf_iterator;
pf_iterator pf_begin() const { return PatternFragments.begin(); }
pf_iterator pf_end() const { return PatternFragments.end(); }