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Remove target specific code, move to TargetData.cpp file 

llvm-svn: 377
This commit is contained in:
Chris Lattner 2001-08-27 15:49:16 +00:00
parent f93e63a189
commit ab759f00c3
1 changed files with 1 additions and 50 deletions
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51
llvm/include/llvm/DerivedTypes.h
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@ -12,12 +12,10 @@
#define LLVM_DERIVED_TYPES_H
#include "llvm/Type.h"
#include "llvm/CodeGen/TargetMachine.h"
#include <vector>
// Future derived types: SIMD packed format
class MethodType : public Type {
public:
typedef vector<const Type*> ParamTypes;
@ -87,13 +85,7 @@ public:
private:
ElementTypes ETypes;
struct StructSizeAndOffsetInfo {
int storageSize; // -1 until the value is computd
vector<int> memberOffsets; // -1 until values are computed
const TargetMachine* targetInfo;
} *layoutCache;
private:
StructType(const StructType &); // Do not implement
const StructType &operator=(const StructType &); // Do not implement
@ -105,53 +97,12 @@ protected:
// Private ctor - Only can be created by a static member...
StructType(const vector<const Type*> &Types, const string &Name);
// Reset cached info so it will be computed when first requested
void ResetCachedInfo() const {
layoutCache->storageSize = -1;
layoutCache->memberOffsets.insert(layoutCache->memberOffsets.begin(),
ETypes.size(), -1);
layoutCache->targetInfo = 0;
}
public:
inline const ElementTypes &getElementTypes() const { return ETypes; }
static const StructType *getStructType(const ElementTypes &Params);
static const StructType *get(const ElementTypes &Params) {
return getStructType(Params);
}
unsigned int getStorageSize(const TargetMachine& tmi) const {
if (layoutCache->targetInfo && layoutCache->targetInfo != &tmi) {
// target machine has changed (hey it could happen). discard cached info.
ResetCachedInfo();
layoutCache->targetInfo = &tmi;
}
if (layoutCache->storageSize < 0) {
layoutCache->storageSize = tmi.findOptimalStorageSize(this);
assert(layoutCache->storageSize >= 0);
}
return layoutCache->storageSize;
}
unsigned int getElementOffset(int i, const TargetMachine& tmi) const {
// target machine has changed (hey it could happen). discard cached info.
if (layoutCache->targetInfo && layoutCache->targetInfo != &tmi)
ResetCachedInfo();
if (layoutCache->memberOffsets[i] < 0) {
layoutCache->targetInfo = &tmi; // remember which target was used
unsigned int *offsetVec = tmi.findOptimalMemberOffsets(this);
for (unsigned i=0, N=layoutCache->memberOffsets.size(); i < N; ++i) {
layoutCache->memberOffsets[i] = offsetVec[i];
assert(layoutCache->memberOffsets[i] >= 0);
}
delete[] offsetVec;
}
return layoutCache->memberOffsets[i];
}
};