Add, and start using, the CodeGenInstruction class. This class represents
an instance of the Instruction tablegen class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index eef94db..026119d 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -97,3 +97,39 @@
return TargetRec->getValueAsDef("InstructionSet");
}
+void CodeGenTarget::ReadInstructions() const {
+ std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
+
+ if (Insts.size() == 0)
+ throw std::string("No 'Instruction' subclasses defined!");
+
+ for (unsigned i = 0, e = Insts.size(); i != e; ++i)
+ Instructions.insert(std::make_pair(Insts[i]->getName(), Insts[i]));
+}
+
+/// getPHIInstruction - Return the designated PHI instruction.
+const CodeGenInstruction &CodeGenTarget::getPHIInstruction() const {
+ Record *PHI = getInstructionSet()->getValueAsDef("PHIInst");
+ std::map<std::string, CodeGenInstruction>::const_iterator I =
+ getInstructions().find(PHI->getName());
+ if (I == Instructions.end())
+ throw "Could not find PHI instruction named '" + PHI->getName() + "'!";
+ return I->second;
+}
+
+CodeGenInstruction::CodeGenInstruction(Record *R) : TheDef(R) {
+ Name = R->getValueAsString("Name");
+ Namespace = R->getValueAsString("Namespace");
+ AsmString = R->getValueAsString("AsmString");
+
+ //TODO: Parse OperandList
+
+ isReturn = R->getValueAsBit("isReturn");
+ isBranch = R->getValueAsBit("isBranch");
+ isBarrier = R->getValueAsBit("isBarrier");
+ isCall = R->getValueAsBit("isCall");
+ isTwoAddress = R->getValueAsBit("isTwoAddress");
+ isTerminator = R->getValueAsBit("isTerminator");
+}
+
+