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