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 26 namespace llvm { 27 28 #define NVCL_IMAGE2D_READONLY_FUNCNAME "__is_image2D_readonly" 29 #define NVCL_IMAGE3D_READONLY_FUNCNAME "__is_image3D_readonly" 30 31 bool findOneNVVMAnnotation(const llvm::GlobalValue *, std::string, unsigned &); 32 bool findAllNVVMAnnotation(const llvm::GlobalValue *, std::string, 33 std::vector<unsigned> &); 34 35 bool isTexture(const llvm::Value &); 36 bool isSurface(const llvm::Value &); 37 bool isSampler(const llvm::Value &); 38 bool isImage(const llvm::Value &); 39 bool isImageReadOnly(const llvm::Value &); 40 bool isImageWriteOnly(const llvm::Value &); 41 42 std::string getTextureName(const llvm::Value &); 43 std::string getSurfaceName(const llvm::Value &); 44 std::string getSamplerName(const llvm::Value &); 45 46 bool getMaxNTIDx(const llvm::Function &, unsigned &); 47 bool getMaxNTIDy(const llvm::Function &, unsigned &); 48 bool getMaxNTIDz(const llvm::Function &, unsigned &); 49 50 bool getReqNTIDx(const llvm::Function &, unsigned &); 51 bool getReqNTIDy(const llvm::Function &, unsigned &); 52 bool getReqNTIDz(const llvm::Function &, unsigned &); 53 54 bool getMinCTASm(const llvm::Function &, unsigned &); 55 bool isKernelFunction(const llvm::Function &); 56 57 bool getAlign(const llvm::Function &, unsigned index, unsigned &); 58 bool getAlign(const llvm::CallInst &, unsigned index, unsigned &); 59 60 bool 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 /// 66 template <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 77 bool isMemorySpaceTransferIntrinsic(Intrinsic::ID id); 78 const Value *skipPointerTransfer(const Value *V, bool ignore_GEP_indices); 79 const Value * 80 skipPointerTransfer(const Value *V, std::set<const Value *> &processed); 81 BasicBlock *getParentBlock(Value *v); 82 Function *getParentFunction(Value *v); 83 void dumpBlock(Value *v, char *blockName); 84 Instruction *getInst(Value *base, char *instName); 85 void dumpInst(Value *base, char *instName); 86 void dumpInstRec(Value *v, std::set<Instruction *> *visited); 87 void dumpInstRec(Value *v); 88 void dumpParent(Value *v); 89 90 } 91 92 #endif 93