change OperandsSignature to use SmallVector<char> instead of std::vector<string>
since the strings are always exactly one character, and there are usually only 2-3 operands.
llvm-svn: 129678
diff --git a/llvm/utils/TableGen/CodeGenInstruction.h b/llvm/utils/TableGen/CodeGenInstruction.h
index 6d2d8fb..5f1e0bea 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.h
+++ b/llvm/utils/TableGen/CodeGenInstruction.h
@@ -137,6 +137,7 @@
bool isVariadic;
// Provide transparent accessors to the operand list.
+ bool empty() const { return OperandList.empty(); }
unsigned size() const { return OperandList.size(); }
const OperandInfo &operator[](unsigned i) const { return OperandList[i]; }
OperandInfo &operator[](unsigned i) { return OperandList[i]; }