llvm-6502/lib/Target/NVPTX/NVPTX.h
Eli Bendersky 25540a7f39 Optimize away unnecessary address casts.
Removes unnecessary casts from non-generic address spaces to the generic address
space for certain code patterns.

Patch by Jingyue Wu.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205571 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-03 21:18:25 +00:00

193 lines
3.5 KiB
C++

//===-- NVPTX.h - Top-level interface for NVPTX representation --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in
// the LLVM NVPTX back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_NVPTX_H
#define LLVM_TARGET_NVPTX_H
#include "MCTargetDesc/NVPTXBaseInfo.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetMachine.h"
#include <cassert>
#include <iosfwd>
namespace llvm {
class NVPTXTargetMachine;
class FunctionPass;
class MachineFunctionPass;
class formatted_raw_ostream;
namespace NVPTXCC {
enum CondCodes {
EQ,
NE,
LT,
LE,
GT,
GE
};
}
inline static const char *NVPTXCondCodeToString(NVPTXCC::CondCodes CC) {
switch (CC) {
case NVPTXCC::NE:
return "ne";
case NVPTXCC::EQ:
return "eq";
case NVPTXCC::LT:
return "lt";
case NVPTXCC::LE:
return "le";
case NVPTXCC::GT:
return "gt";
case NVPTXCC::GE:
return "ge";
}
llvm_unreachable("Unknown condition code");
}
FunctionPass *
createNVPTXISelDag(NVPTXTargetMachine &TM, llvm::CodeGenOpt::Level OptLevel);
ModulePass *createNVPTXAssignValidGlobalNamesPass();
ModulePass *createGenericToNVVMPass();
FunctionPass *createNVPTXFavorNonGenericAddrSpacesPass();
ModulePass *createNVVMReflectPass();
ModulePass *createNVVMReflectPass(const StringMap<int>& Mapping);
MachineFunctionPass *createNVPTXPrologEpilogPass();
bool isImageOrSamplerVal(const Value *, const Module *);
extern Target TheNVPTXTarget32;
extern Target TheNVPTXTarget64;
namespace NVPTX {
enum DrvInterface {
NVCL,
CUDA
};
// A field inside TSFlags needs a shift and a mask. The usage is
// always as follows :
// ((TSFlags & fieldMask) >> fieldShift)
// The enum keeps the mask, the shift, and all valid values of the
// field in one place.
enum VecInstType {
VecInstTypeShift = 0,
VecInstTypeMask = 0xF,
VecNOP = 0,
VecLoad = 1,
VecStore = 2,
VecBuild = 3,
VecShuffle = 4,
VecExtract = 5,
VecInsert = 6,
VecDest = 7,
VecOther = 15
};
enum SimpleMove {
SimpleMoveMask = 0x10,
SimpleMoveShift = 4
};
enum LoadStore {
isLoadMask = 0x20,
isLoadShift = 5,
isStoreMask = 0x40,
isStoreShift = 6
};
namespace PTXLdStInstCode {
enum AddressSpace {
GENERIC = 0,
GLOBAL = 1,
CONSTANT = 2,
SHARED = 3,
PARAM = 4,
LOCAL = 5
};
enum FromType {
Unsigned = 0,
Signed,
Float
};
enum VecType {
Scalar = 1,
V2 = 2,
V4 = 4
};
}
/// PTXCvtMode - Conversion code enumeration
namespace PTXCvtMode {
enum CvtMode {
NONE = 0,
RNI,
RZI,
RMI,
RPI,
RN,
RZ,
RM,
RP,
BASE_MASK = 0x0F,
FTZ_FLAG = 0x10,
SAT_FLAG = 0x20
};
}
/// PTXCmpMode - Comparison mode enumeration
namespace PTXCmpMode {
enum CmpMode {
EQ = 0,
NE,
LT,
LE,
GT,
GE,
LO,
LS,
HI,
HS,
EQU,
NEU,
LTU,
LEU,
GTU,
GEU,
NUM,
// NAN is a MACRO
NotANumber,
BASE_MASK = 0xFF,
FTZ_FLAG = 0x100
};
}
}
} // end namespace llvm;
// Defines symbolic names for NVPTX registers. This defines a mapping from
// register name to register number.
#define GET_REGINFO_ENUM
#include "NVPTXGenRegisterInfo.inc"
// Defines symbolic names for the NVPTX instructions.
#define GET_INSTRINFO_ENUM
#include "NVPTXGenInstrInfo.inc"
#endif