#define LLVM_TARGET_TARGETMACHINE_H
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetInstrItineraries.h"
#include <cassert>
namespace llvm {
+class TargetSubtarget;
class TargetInstrInfo;
class TargetInstrDescriptor;
class TargetJITInfo;
///
TargetMachine(const std::string &name, IntrinsicLowering *IL,
const Module &M);
+
+ /// getSubtargetImpl - virtual method implemented by subclasses that returns
+ /// a reference to that target's TargetSubtarget-derived member variable.
+ virtual const TargetSubtarget *getSubtargetImpl() const { return 0; }
public:
virtual ~TargetMachine();
virtual const TargetFrameInfo *getFrameInfo() const { return 0; }
const TargetData &getTargetData() const { return DataLayout; }
+ /// getSubtarget - This method returns a pointer to the specified type of
+ /// TargetSubtarget. In debug builds, it verifies that the object being
+ /// returned is of the correct type.
+ template<typename STC> const STC &getSubtarget() const {
+ const TargetSubtarget *TST = getSubtargetImpl();
+ assert(TST && dynamic_cast<const STC*>(TST) &&
+ "Not the right kind of subtarget!");
+ return *static_cast<const STC*>(TST);
+ }
+
/// getRegisterInfo - If register information is available, return it. If
/// not, return null. This is kept separate from RegInfo until RegInfo has
/// details of graph coloring register allocation removed from it.
/// otherwise return null.
///
virtual TargetJITInfo *getJITInfo() { return 0; }
+
+ /// getInstrItineraryData - Returns instruction itinerary data for the target
+ /// or specific subtarget.
+ ///
+ virtual const InstrItineraryData getInstrItineraryData() const {
+ return InstrItineraryData();
+ }
// These are deprecated interfaces.
virtual const TargetSchedInfo *getSchedInfo() const { return 0; }
virtual const SparcV9RegInfo *getRegInfo() const { return 0; }
- /// addPassesToEmitAssembly - Add passes to the specified pass manager to get
- /// assembly langage code emitted. Typically this will involve several steps
- /// of code generation. This method should return true if assembly emission
- /// is not supported.
+ /// CodeGenFileType - These enums are meant to be passed into
+ /// addPassesToEmitFile to indicate what type of file to emit.
+ enum CodeGenFileType {
+ AssemblyFile, ObjectFile, DynamicLibrary
+ };
+
+ /// addPassesToEmitFile - Add passes to the specified pass manager to get
+ /// the specified file emitted. Typically this will involve several steps of
+ /// code generation. This method should return true if emission of this file
+ /// type is not supported.
///
- virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out) {
+ virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
+ CodeGenFileType FileType) {
return true;
}