[TableGen] Make DAGInstruction own Pattern to avoid leaking it.
Reviewers: dsanders, craig.topper, stoklund, nhaehnle
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D47525
llvm-svn: 334275
diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
index 9fcd541..f029b21 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -907,21 +907,21 @@
};
class DAGInstruction {
- TreePattern *Pattern;
+ std::unique_ptr<TreePattern> Pattern;
std::vector<Record*> Results;
std::vector<Record*> Operands;
std::vector<Record*> ImpResults;
TreePatternNodePtr ResultPattern;
public:
- DAGInstruction(TreePattern *TP,
+ DAGInstruction(std::unique_ptr<TreePattern> &&TP,
const std::vector<Record*> &results,
const std::vector<Record*> &operands,
const std::vector<Record*> &impresults)
- : Pattern(TP), Results(results), Operands(operands),
+ : Pattern(std::move(TP)), Results(results), Operands(operands),
ImpResults(impresults), ResultPattern(nullptr) {}
- TreePattern *getPattern() const { return Pattern; }
+ TreePattern *getPattern() const { return Pattern.get(); }
unsigned getNumResults() const { return Results.size(); }
unsigned getNumOperands() const { return Operands.size(); }
unsigned getNumImpResults() const { return ImpResults.size(); }