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//===--------------- AMDILModuleInfo.h -------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//==-----------------------------------------------------------------------===//
//
// This is an MMI implementation for AMDIL targets.
//
//===----------------------------------------------------------------------===//
#ifndef _AMDIL_MACHINE_MODULE_INFO_H_
#define _AMDIL_MACHINE_MODULE_INFO_H_
#include "AMDIL.h"
#include "AMDILKernel.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/Module.h"
#include "llvm/Support/raw_ostream.h"
#include <set>
#include <string>
namespace llvm {
class AMDILKernel;
class Argument;
class TypeSymbolTable;
class GlobalValue;
class MachineFunction;
class GlobalValue;
class AMDILModuleInfo : public MachineModuleInfoImpl {
protected:
const MachineModuleInfo *mMMI;
public:
AMDILModuleInfo(const MachineModuleInfo &);
virtual ~AMDILModuleInfo();
void processModule(const Module *MF, const AMDILTargetMachine* mTM);
/// Process the given module and parse out the global variable metadata passed
/// down from the frontend-compiler
/// Returns true if the image ID corresponds to a read only image.
bool isReadOnlyImage(const llvm::StringRef &name, uint32_t iID) const;
/// Returns true if the image ID corresponds to a write only image.
bool isWriteOnlyImage(const llvm::StringRef &name, uint32_t iID) const;
/// Gets the group size of the kernel for the given dimension.
uint32_t getRegion(const llvm::StringRef &name, uint32_t dim) const;
/// Get the offset of the array for the kernel.
int32_t getArrayOffset(const llvm::StringRef &name) const;
/// Get the offset of the const memory for the kernel.
int32_t getConstOffset(const llvm::StringRef &name) const;
/// Get the boolean value if this particular constant uses HW or not.
bool getConstHWBit(const llvm::StringRef &name) const;
/// Get a reference to the kernel metadata information for the given function
/// name.
AMDILKernel *getKernel(const llvm::StringRef &name);
bool isKernel(const llvm::StringRef &name) const;
/// Dump the data section to the output stream for the given kernel.
//void dumpDataSection(llvm::raw_ostream &O, AMDILKernelManager *km);
/// Iterate through the constants that are global to the compilation unit.
StringMap<AMDILConstPtr>::iterator consts_begin();
StringMap<AMDILConstPtr>::iterator consts_end();
/// Query if the kernel has a byte store.
bool byteStoreExists(llvm::StringRef S) const;
/// Query if the constant pointer is an argument.
bool isConstPtrArgument(const AMDILKernel *krnl, const llvm::StringRef &arg);
/// Query if the constant pointer is an array that is globally scoped.
bool isConstPtrArray(const AMDILKernel *krnl, const llvm::StringRef &arg);
/// Query the size of the constant pointer.
uint32_t getConstPtrSize(const AMDILKernel *krnl, const llvm::StringRef &arg);
/// Query the offset of the constant pointer.
uint32_t getConstPtrOff(const AMDILKernel *krnl, const llvm::StringRef &arg);
/// Query the constant buffer number for a constant pointer.
uint32_t getConstPtrCB(const AMDILKernel *krnl, const llvm::StringRef &arg);
/// Query the Value* that the constant pointer originates from.
const Value *getConstPtrValue(const AMDILKernel *krnl, const llvm::StringRef &arg);
/// Get the ID of the argument.
int32_t getArgID(const Argument *arg);
/// Get the unique function ID for the specific function name and create a new
/// unique ID if it is not found.
uint32_t getOrCreateFunctionID(const GlobalValue* func);
uint32_t getOrCreateFunctionID(const std::string& func);
/// Calculate the offsets of the constant pool for the given kernel and
/// machine function.
void calculateCPOffsets(const MachineFunction *MF, AMDILKernel *krnl);
void add_printf_offset(uint32_t offset) { mPrintfOffset += offset; }
uint32_t get_printf_offset() { return mPrintfOffset; }
private:
/// Various functions that parse global value information and store them in
/// the global manager. This approach is used instead of dynamic parsing as it
/// might require more space, but should allow caching of data that gets
/// requested multiple times.
AMDILKernelAttr parseSGV(const GlobalValue *GV);
AMDILLocalArg parseLVGV(const GlobalValue *GV);
void parseGlobalAnnotate(const GlobalValue *G);
void parseImageAnnotate(const GlobalValue *G);
void parseConstantPtrAnnotate(const GlobalValue *G);
void printConstantValue(const Constant *CAval,
llvm::raw_ostream& O,
bool asByte);
void parseKernelInformation(const Value *V);
void parseAutoArray(const GlobalValue *G, bool isRegion);
void parseConstantPtr(const GlobalValue *G);
void allocateGlobalCB();
bool checkConstPtrsUseHW(Module::const_iterator *F);
llvm::StringMap<AMDILKernel*> mKernels;
llvm::StringMap<AMDILKernelAttr> mKernelArgs;
llvm::StringMap<AMDILArrayMem> mArrayMems;
llvm::StringMap<AMDILConstPtr> mConstMems;
llvm::StringMap<AMDILLocalArg> mLocalArgs;
llvm::StringMap<uint32_t> mFuncNames;
llvm::DenseMap<const GlobalValue*, uint32_t> mFuncPtrNames;
llvm::DenseMap<uint32_t, llvm::StringRef> mImageNameMap;
std::set<llvm::StringRef> mByteStore;
std::set<llvm::StringRef> mIgnoreStr;
llvm::DenseMap<const Argument *, int32_t> mArgIDMap;
const TypeSymbolTable *symTab;
const AMDILSubtarget *mSTM;
size_t mOffset;
uint32_t mReservedBuffs;
uint32_t mCurrentCPOffset;
uint32_t mPrintfOffset;
};
} // end namespace llvm
#endif // _AMDIL_COFF_MACHINE_MODULE_INFO_H_
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