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Make the AsmWriter a first-class tblgen object. Allow targets to specify

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name of the generated asmwriter class, and the name of the format string.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15747 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-08-14 22:50:53 +00:00
parent ca068e861b
commit 175580c0f3
5 changed files with 70 additions and 23 deletions
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21
utils/TableGen/CodeGenTarget.cpp
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@@ -97,14 +97,27 @@ Record *CodeGenTarget::getInstructionSet() const {
return TargetRec->getValueAsDef("InstructionSet");
}
/// getAsmWriter - Return the AssemblyWriter definition for this target.
///
Record *CodeGenTarget::getAsmWriter() const {
return TargetRec->getValueAsDef("AssemblyWriter");
}
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]));
std::string InstFormatName =
getAsmWriter()->getValueAsString("InstFormatName");
for (unsigned i = 0, e = Insts.size(); i != e; ++i) {
std::string AsmStr = Insts[i]->getValueAsString(InstFormatName);
Instructions.insert(std::make_pair(Insts[i]->getName(),
CodeGenInstruction(Insts[i], AsmStr)));
}
}
/// getPHIInstruction - Return the designated PHI instruction.
@@ -117,10 +130,10 @@ const CodeGenInstruction &CodeGenTarget::getPHIInstruction() const {
return I->second;
}
CodeGenInstruction::CodeGenInstruction(Record *R) : TheDef(R) {
CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
: TheDef(R), AsmString(AsmStr) {
Name = R->getValueAsString("Name");
Namespace = R->getValueAsString("Namespace");
AsmString = R->getValueAsString("AsmString");
isReturn = R->getValueAsBit("isReturn");
isBranch = R->getValueAsBit("isBranch");