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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
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@ -945,7 +945,7 @@ void AsmMatcherInfo::BuildInfo() {
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Instructions.push_back(II.take());
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Instructions.push_back(II.take());
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}
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}
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// Build info for the register classes.
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// Build info for the register classes.
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BuildRegisterClasses(SingletonRegisters);
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BuildRegisterClasses(SingletonRegisters);
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@ -998,12 +998,9 @@ void AsmMatcherInfo::BuildInfo() {
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// Map this token to an operand. FIXME: Move elsewhere.
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// Map this token to an operand. FIXME: Move elsewhere.
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unsigned Idx;
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unsigned Idx;
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try {
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if (!II->Instr->hasOperandNamed(OperandName, Idx))
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Idx = II->Instr->getOperandNamed(OperandName);
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} catch(...) {
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throw std::string("error: unable to find operand: '" +
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throw std::string("error: unable to find operand: '" +
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OperandName.str() + "'");
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OperandName.str() + "'");
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}
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// FIXME: This is annoying, the named operand may be tied (e.g.,
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// FIXME: This is annoying, the named operand may be tied (e.g.,
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// XCHG8rm). What we want is the untied operand, which we now have to
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// XCHG8rm). What we want is the untied operand, which we now have to
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@ -237,17 +237,17 @@ CodeGenInstruction::CodeGenInstruction(Record *R) : TheDef(R) {
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/// non-empty name. If the instruction does not have an operand with the
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/// non-empty name. If the instruction does not have an operand with the
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/// specified name, throw an exception.
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/// specified name, throw an exception.
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///
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///
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unsigned CodeGenInstruction::getOperandNamed(const std::string &Name) const {
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unsigned CodeGenInstruction::getOperandNamed(StringRef Name) const {
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unsigned OpIdx;
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unsigned OpIdx;
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if (hasOperandNamed(Name, OpIdx)) return OpIdx;
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if (hasOperandNamed(Name, OpIdx)) return OpIdx;
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throw "Instruction '" + TheDef->getName() +
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throw "Instruction '" + TheDef->getName() +
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"' does not have an operand named '$" + Name + "'!";
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"' does not have an operand named '$" + Name.str() + "'!";
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}
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}
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/// hasOperandNamed - Query whether the instruction has an operand of the
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/// hasOperandNamed - Query whether the instruction has an operand of the
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/// given name. If so, return true and set OpIdx to the index of the
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/// given name. If so, return true and set OpIdx to the index of the
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/// operand. Otherwise, return false.
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/// operand. Otherwise, return false.
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bool CodeGenInstruction::hasOperandNamed(const std::string &Name,
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bool CodeGenInstruction::hasOperandNamed(StringRef Name,
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unsigned &OpIdx) const {
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unsigned &OpIdx) const {
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assert(!Name.empty() && "Cannot search for operand with no name!");
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assert(!Name.empty() && "Cannot search for operand with no name!");
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for (unsigned i = 0, e = OperandList.size(); i != e; ++i)
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for (unsigned i = 0, e = OperandList.size(); i != e; ++i)
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@ -190,12 +190,12 @@ namespace llvm {
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/// getOperandNamed - Return the index of the operand with the specified
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/// getOperandNamed - Return the index of the operand with the specified
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/// non-empty name. If the instruction does not have an operand with the
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/// non-empty name. If the instruction does not have an operand with the
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/// specified name, throw an exception.
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/// specified name, throw an exception.
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unsigned getOperandNamed(const std::string &Name) const;
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unsigned getOperandNamed(StringRef Name) const;
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/// hasOperandNamed - Query whether the instruction has an operand of the
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/// hasOperandNamed - Query whether the instruction has an operand of the
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/// given name. If so, return true and set OpIdx to the index of the
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/// given name. If so, return true and set OpIdx to the index of the
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/// operand. Otherwise, return false.
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/// operand. Otherwise, return false.
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bool hasOperandNamed(const std::string &Name, unsigned &OpIdx) const;
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bool hasOperandNamed(StringRef Name, unsigned &OpIdx) const;
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/// HasOneImplicitDefWithKnownVT - If the instruction has at least one
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/// HasOneImplicitDefWithKnownVT - If the instruction has at least one
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/// implicit def and it has a known VT, return the VT, otherwise return
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/// implicit def and it has a known VT, return the VT, otherwise return
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