1//===-- NVPTXUtilities - Utilities -----------------------------*- C++ -*-====//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the declaration of the NVVM specific utility functions.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef NVPTXUTILITIES_H
15#define NVPTXUTILITIES_H
16
17#include "llvm/Value.h"
18#include "llvm/GlobalVariable.h"
19#include "llvm/Function.h"
20#include "llvm/IntrinsicInst.h"
21#include <cstdarg>
22#include <set>
23#include <string>
24#include <vector>
25
26namespace llvm
27{
28
29#define NVCL_IMAGE2D_READONLY_FUNCNAME "__is_image2D_readonly"
30#define NVCL_IMAGE3D_READONLY_FUNCNAME "__is_image3D_readonly"
31
32bool findOneNVVMAnnotation(const llvm::GlobalValue *, std::string, unsigned &);
33bool findAllNVVMAnnotation(const llvm::GlobalValue *, std::string,
34                           std::vector<unsigned> &);
35
36bool isTexture(const llvm::Value &);
37bool isSurface(const llvm::Value &);
38bool isSampler(const llvm::Value &);
39bool isImage(const llvm::Value &);
40bool isImageReadOnly(const llvm::Value &);
41bool isImageWriteOnly(const llvm::Value &);
42
43std::string getTextureName(const llvm::Value &);
44std::string getSurfaceName(const llvm::Value &);
45std::string getSamplerName(const llvm::Value &);
46
47bool getMaxNTIDx(const llvm::Function &, unsigned &);
48bool getMaxNTIDy(const llvm::Function &, unsigned &);
49bool getMaxNTIDz(const llvm::Function &, unsigned &);
50
51bool getReqNTIDx(const llvm::Function &, unsigned &);
52bool getReqNTIDy(const llvm::Function &, unsigned &);
53bool getReqNTIDz(const llvm::Function &, unsigned &);
54
55bool getMinCTASm(const llvm::Function &, unsigned &);
56bool isKernelFunction(const llvm::Function &);
57
58bool getAlign(const llvm::Function &, unsigned index, unsigned &);
59bool getAlign(const llvm::CallInst &, unsigned index, unsigned &);
60
61bool isBarrierIntrinsic(llvm::Intrinsic::ID);
62
63/// make_vector - Helper function which is useful for building temporary vectors
64/// to pass into type construction of CallInst ctors.  This turns a null
65/// terminated list of pointers (or other value types) into a real live vector.
66///
67template<typename T>
68inline std::vector<T> make_vector(T A, ...) {
69  va_list Args;
70  va_start(Args, A);
71  std::vector<T> Result;
72  Result.push_back(A);
73  while (T Val = va_arg(Args, T))
74    Result.push_back(Val);
75  va_end(Args);
76  return Result;
77}
78
79bool isMemorySpaceTransferIntrinsic(Intrinsic::ID id);
80const Value *skipPointerTransfer(const Value *V, bool ignore_GEP_indices);
81const Value *skipPointerTransfer(const Value *V,
82                                 std::set<const Value *> &processed);
83BasicBlock *getParentBlock(Value *v);
84Function *getParentFunction(Value *v);
85void dumpBlock(Value *v, char *blockName);
86Instruction *getInst(Value *base, char *instName);
87void dumpInst(Value *base, char *instName);
88void dumpInstRec(Value *v, std::set<Instruction *> *visited);
89void dumpInstRec(Value *v);
90void dumpParent(Value *v);
91
92}
93
94#endif
95