improve const correctness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45646 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.h b/utils/TableGen/CodeGenDAGPatterns.h
index 4097079..c40f46f 100644
--- a/utils/TableGen/CodeGenDAGPatterns.h
+++ b/utils/TableGen/CodeGenDAGPatterns.h
@@ -374,7 +374,7 @@
ImpResults(impresults), ImpOperands(impoperands),
ResultPattern(0) {}
- TreePattern *getPattern() const { return Pattern; }
+ const TreePattern *getPattern() const { return Pattern; }
unsigned getNumResults() const { return Results.size(); }
unsigned getNumOperands() const { return Operands.size(); }
unsigned getNumImpResults() const { return ImpResults.size(); }