mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
//===- CodeGenWrappers.cpp - Code Generation Class Wrappers -----*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// These classes wrap target description classes used by the various code
|
|
// generation TableGen backends. This makes it easier to access the data and
|
|
// provides a single place that needs to check it for validity. All of these
|
|
// classes throw exceptions on error conditions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "CodeGenWrappers.h"
|
|
#include "Record.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// getValueType - Return the MCV::ValueType that the specified TableGen record
|
|
/// corresponds to.
|
|
MVT::ValueType getValueType(Record *Rec) {
|
|
return (MVT::ValueType)Rec->getValueAsInt("Value");
|
|
}
|
|
|
|
std::string getName(MVT::ValueType T) {
|
|
switch (T) {
|
|
case MVT::Other: return "UNKNOWN";
|
|
case MVT::i1: return "i1";
|
|
case MVT::i8: return "i8";
|
|
case MVT::i16: return "i16";
|
|
case MVT::i32: return "i32";
|
|
case MVT::i64: return "i64";
|
|
case MVT::i128: return "i128";
|
|
case MVT::f32: return "f32";
|
|
case MVT::f64: return "f64";
|
|
case MVT::f80: return "f80";
|
|
case MVT::f128: return "f128";
|
|
case MVT::isVoid:return "void";
|
|
default: assert(0 && "ILLEGAL VALUE TYPE!"); return "";
|
|
}
|
|
}
|
|
|
|
std::string getEnumName(MVT::ValueType T) {
|
|
switch (T) {
|
|
case MVT::Other: return "Other";
|
|
case MVT::i1: return "i1";
|
|
case MVT::i8: return "i8";
|
|
case MVT::i16: return "i16";
|
|
case MVT::i32: return "i32";
|
|
case MVT::i64: return "i64";
|
|
case MVT::i128: return "i128";
|
|
case MVT::f32: return "f32";
|
|
case MVT::f64: return "f64";
|
|
case MVT::f80: return "f80";
|
|
case MVT::f128: return "f128";
|
|
case MVT::isVoid:return "isVoid";
|
|
default: assert(0 && "ILLEGAL VALUE TYPE!"); return "";
|
|
}
|
|
}
|
|
|
|
|
|
std::ostream &operator<<(std::ostream &OS, MVT::ValueType T) {
|
|
return OS << getName(T);
|
|
}
|
|
|
|
|
|
|
|
/// getTarget - Return the current instance of the Target class.
|
|
///
|
|
CodeGenTarget::CodeGenTarget() : PointerType(MVT::Other) {
|
|
std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target");
|
|
if (Targets.size() == 0)
|
|
throw std::string("ERROR: No 'Target' subclasses defined!");
|
|
if (Targets.size() != 1)
|
|
throw std::string("ERROR: Multiple subclasses of Target defined!");
|
|
TargetRec = Targets[0];
|
|
|
|
// Read in all of the CalleeSavedRegisters...
|
|
ListInit *LI = TargetRec->getValueAsListInit("CalleeSavedRegisters");
|
|
for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
|
|
if (DefInit *DI = dynamic_cast<DefInit*>(LI->getElement(i)))
|
|
CalleeSavedRegisters.push_back(DI->getDef());
|
|
else
|
|
throw "Target: " + TargetRec->getName() +
|
|
" expected register definition in CalleeSavedRegisters list!";
|
|
|
|
PointerType = getValueType(TargetRec->getValueAsDef("PointerType"));
|
|
}
|
|
|
|
|
|
const std::string &CodeGenTarget::getName() const {
|
|
return TargetRec->getName();
|
|
}
|
|
|
|
Record *CodeGenTarget::getInstructionSet() const {
|
|
return TargetRec->getValueAsDef("InstructionSet");
|
|
}
|
|
|
|
} // End llvm namespace
|