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 void clearAnnotationCache(const llvm::Module *); 32 33 bool findOneNVVMAnnotation(const llvm::GlobalValue *, std::string, unsigned &); 34 bool findAllNVVMAnnotation(const llvm::GlobalValue *, std::string, 35 std::vector<unsigned> &); 36 37 bool isTexture(const llvm::Value &); 38 bool isSurface(const llvm::Value &); 39 bool isSampler(const llvm::Value &); 40 bool isImage(const llvm::Value &); 41 bool isImageReadOnly(const llvm::Value &); 42 bool isImageWriteOnly(const llvm::Value &); 43 bool isImageReadWrite(const llvm::Value &); 44 bool isManaged(const llvm::Value &); 45 46 std::string getTextureName(const llvm::Value &); 47 std::string getSurfaceName(const llvm::Value &); 48 std::string getSamplerName(const llvm::Value &); 49 50 bool getMaxNTIDx(const llvm::Function &, unsigned &); 51 bool getMaxNTIDy(const llvm::Function &, unsigned &); 52 bool getMaxNTIDz(const llvm::Function &, unsigned &); 53 54 bool getReqNTIDx(const llvm::Function &, unsigned &); 55 bool getReqNTIDy(const llvm::Function &, unsigned &); 56 bool getReqNTIDz(const llvm::Function &, unsigned &); 57 58 bool getMinCTASm(const llvm::Function &, unsigned &); 59 bool isKernelFunction(const llvm::Function &); 60 61 bool getAlign(const llvm::Function &, unsigned index, unsigned &); 62 bool getAlign(const llvm::CallInst &, unsigned index, unsigned &); 63 64 bool isBarrierIntrinsic(llvm::Intrinsic::ID); 65 66 /// make_vector - Helper function which is useful for building temporary vectors 67 /// to pass into type construction of CallInst ctors. This turns a null 68 /// terminated list of pointers (or other value types) into a real live vector. 69 /// 70 template <typename T> inline std::vector<T> make_vector(T A, ...) { 71 va_list Args; 72 va_start(Args, A); 73 std::vector<T> Result; 74 Result.push_back(A); 75 while (T Val = va_arg(Args, T)) 76 Result.push_back(Val); 77 va_end(Args); 78 return Result; 79 } 80 81 bool isMemorySpaceTransferIntrinsic(Intrinsic::ID id); 82 const Value *skipPointerTransfer(const Value *V, bool ignore_GEP_indices); 83 const Value * 84 skipPointerTransfer(const Value *V, std::set<const Value *> &processed); 85 BasicBlock *getParentBlock(Value *v); 86 Function *getParentFunction(Value *v); 87 void dumpBlock(Value *v, char *blockName); 88 Instruction *getInst(Value *base, char *instName); 89 void dumpInst(Value *base, char *instName); 90 void dumpInstRec(Value *v, std::set<Instruction *> *visited); 91 void dumpInstRec(Value *v); 92 void dumpParent(Value *v); 93 94 } 95 96 #endif 97