#include "llvm/DerivedTypes.h"
using namespace llvm;
-namespace llvm {
- // External object describing the machine instructions Initialized only when
- // the TargetMachine class is created and reset when that class is destroyed.
- //
- // FIXME: UGLY SPARCV9 HACK!
- const TargetInstrDescriptor* TargetInstrDescriptors = 0;
-}
-
TargetInstrInfo::TargetInstrInfo(const TargetInstrDescriptor* Desc,
unsigned numOpcodes)
: desc(Desc), NumOpcodes(numOpcodes) {
- // FIXME: TargetInstrDescriptors should not be global
- assert(TargetInstrDescriptors == NULL && desc != NULL
- && "TargetMachine data structure corrupt; maybe you tried to create another TargetMachine? (only one may exist in a program)");
- TargetInstrDescriptors = desc; // initialize global variable
}
TargetInstrInfo::~TargetInstrInfo() {
- TargetInstrDescriptors = NULL; // reset global variable
}
/// findTiedToSrcOperand - Returns the operand that is tied to the specified