avoid needless throw/catch/rethrow, stringref'ize some simple stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117892 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index 41a27ce..259e7c3 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -237,17 +237,17 @@
/// non-empty name. If the instruction does not have an operand with the
/// specified name, throw an exception.
///
-unsigned CodeGenInstruction::getOperandNamed(const std::string &Name) const {
+unsigned CodeGenInstruction::getOperandNamed(StringRef Name) const {
unsigned OpIdx;
if (hasOperandNamed(Name, OpIdx)) return OpIdx;
throw "Instruction '" + TheDef->getName() +
- "' does not have an operand named '$" + Name + "'!";
+ "' does not have an operand named '$" + Name.str() + "'!";
}
/// hasOperandNamed - Query whether the instruction has an operand of the
/// given name. If so, return true and set OpIdx to the index of the
/// operand. Otherwise, return false.
-bool CodeGenInstruction::hasOperandNamed(const std::string &Name,
+bool CodeGenInstruction::hasOperandNamed(StringRef Name,
unsigned &OpIdx) const {
assert(!Name.empty() && "Cannot search for operand with no name!");
for (unsigned i = 0, e = OperandList.size(); i != e; ++i)