src/mesa/pipe/llvm/storagesoa.h

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   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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  27
  28 #ifndef STORAGESOA_H
  29 #define STORAGESOA_H
  30
  31 #include <vector>
  32 #include <map>
  33
  34 namespace llvm {
  35    class BasicBlock;
  36    class Constant;
  37    class ConstantInt;
  38    class LoadInst;
  39    class Value;
  40    class VectorType;
  41 }
  42
  43 class StorageSoa
  44 {
  45 public:
  46    StorageSoa(llvm::BasicBlock *block,
  47               llvm::Value *input,
  48               llvm::Value *output,
  49               llvm::Value *consts,
  50               llvm::Value *temps);
  51
  52    void addImmediate(float *vec);
  53
  54    llvm::Value  * addrElement(int idx) const;
  55
  56    std::vector<llvm::Value*> inputElement(int idx, int swizzle, llvm::Value *indIdx =0);
  57    std::vector<llvm::Value*> constElement(int idx, int swizzle, llvm::Value *indIdx =0);
  58    std::vector<llvm::Value*> outputElement(int idx, int swizzle, llvm::Value *indIdx =0);
  59    std::vector<llvm::Value*> tempElement(int idx, int swizzle, llvm::Value *indIdx =0);
  60    std::vector<llvm::Value*> immediateElement(int idx, int swizzle);
  61
  62    llvm::Value *extractIndex(llvm::Value *vec);
  63
  64    void storeOutput(int dstIdx, const std::vector<llvm::Value*> &val,
  65                          int mask);
  66    void storeTemp(int idx, const std::vector<llvm::Value*> &val,
  67                   int mask);
  68    void storeAddress(int idx, const std::vector<llvm::Value*> &val,
  69                      int mask);
  70 private:
  71    llvm::Value *elementPointer(llvm::Value *ptr, int index,
  72                                int channel) const;
  73    llvm::Value *element(llvm::Value *ptr, int index,
  74                         int channel) const;
  75    const char *name(const char *prefix) const;
  76    llvm::ConstantInt *constantInt(int) const;
  77 private:
  78    llvm::BasicBlock *m_block;
  79
  80    llvm::Value *m_input;
  81    llvm::Value *m_output;
  82    llvm::Value *m_consts;
  83    llvm::Value *m_temps;
  84
  85    mutable std::map<int, llvm::ConstantInt*> m_constInts;
  86    mutable char        m_name[32];
  87    mutable int         m_idx;
  88 };
  89
  90 #endif