redgpu/ispc: Intel® Implicit SPMD Program Compiler

src/func.h
69 строк2 KB
Dmitry Babokin
Introducing ispc namespace
27 апр 2021, 08:46
27 апр 2021, 08:46021885b
/*
  Copyright (c) 2011-2021, Intel Corporation
  All rights reserved.

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  modification, are permitted provided that the following conditions are
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    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

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      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

    * Neither the name of Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.


   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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*/

/** @file func.h
    @brief Representation of a function in a source file.
*/

#pragma once

#include "ispc.h"

#include <vector>

namespace ispc {

class Function {
  public:
    Function(Symbol *sym, Stmt *code);

    const Type *GetReturnType() const;
    const FunctionType *GetType() const;

    /** Generate LLVM IR for the function into the current module. */
    void GenerateIR();

  private:
    void emitCode(FunctionEmitContext *ctx, llvm::Function *function, SourcePos firstStmtPos);

    Symbol *sym;
    std::vector<Symbol *> args;
    Stmt *code;
    Symbol *maskSymbol;
    Symbol *threadIndexSym, *threadCountSym;
    Symbol *taskIndexSym, *taskCountSym;
    Symbol *taskIndexSym0, *taskCountSym0;
    Symbol *taskIndexSym1, *taskCountSym1;
    Symbol *taskIndexSym2, *taskCountSym2;
};
} // namespace ispc