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* Rename const_regclass_begin/end to just regclass_begin/end

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* Regclass iterators need an extra level of pointerness to work right
* Pull inverse mapping code out of target description files


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5046 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-15 18:40:01 +00:00
parent dd444f9242
commit aa8dad5561
1 changed files with 3 additions and 23 deletions
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26
include/llvm/Target/MRegisterInfo.h
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@ -10,7 +10,6 @@
#define LLVM_TARGET_MREGISTERINFO_H
#include "llvm/CodeGen/MachineBasicBlock.h"
#include <map>
#include <assert.h>
class Type;
@ -61,15 +60,6 @@ public:
virtual unsigned getDataSize() const { return 0; }
void
buildReg2RegClassMap(std::map<unsigned,const TargetRegisterClass*>&
Reg2RegClassMap) const
{
for (unsigned i=0; i < getNumRegs(); ++i) {
Reg2RegClassMap[getRegister(i)] = this;
}
}
//const std::vector<unsigned> &getRegsInClass(void) { return Regs; }
//void getAliases(void);
};
@ -156,23 +146,13 @@ public:
virtual unsigned getStackPointer() const = 0;
/// Register class iterators
typedef const TargetRegisterClass* const_iterator;
typedef const TargetRegisterClass** const_iterator;
virtual const_iterator const_regclass_begin() const = 0;
virtual const_iterator const_regclass_end() const = 0;
virtual const_iterator regclass_begin() const = 0;
virtual const_iterator regclass_end() const = 0;
virtual unsigned getNumRegClasses() const = 0;
virtual const TargetRegisterClass* getRegClassForType(const Type* Ty) const=0;
virtual void
buildReg2RegClassMap(std::map<unsigned,const TargetRegisterClass*>&
Reg2RegClassMap) const {
for (MRegisterInfo::const_iterator I = const_regclass_begin(),
E = const_regclass_end(); I != E; ++I) {
I->buildReg2RegClassMap(Reg2RegClassMap);
}
}
};
#endif