mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-20 11:29:24 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===-- TargetMachine.cpp - General Target Information ---------------------==//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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"
|
|
|
|
namespace llvm {
|
|
|
|
//---------------------------------------------------------------------------
|
|
// 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);
|
|
}
|
|
|
|
} // End llvm namespace
|