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//===-- TargetMachine.cpp - General Target Information ---------------------==//
//
// This file describes the general parts of a Target machine.
// This file also implements TargetCacheInfo.
//
//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetCacheInfo.h"
#include "llvm/Type.h"
//---------------------------------------------------------------------------
// class TargetMachine
//
// Purpose:
// Machine description.
//
//---------------------------------------------------------------------------
// function TargetMachine::findOptimalStorageSize
//
unsigned TargetMachine::findOptimalStorageSize(const Type *Ty) const {
// All integer types smaller than ints promote to 4 byte integers.
if (Ty->isIntegral() && Ty->getPrimitiveSize() < 4)
return 4;
return DataLayout.getTypeSize(Ty);
}
//---------------------------------------------------------------------------
// class TargetCacheInfo
//
// Purpose:
// Describes properties of the target cache architecture.
//---------------------------------------------------------------------------
void TargetCacheInfo::Initialize() {
numLevels = 2;
cacheLineSizes.push_back(16); cacheLineSizes.push_back(32);
cacheSizes.push_back(1 << 15); cacheSizes.push_back(1 << 20);
cacheAssoc.push_back(1); cacheAssoc.push_back(4);
}
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