gcc-8.3/gcc/addr_expr_of_non_mem_decl_p_1()

参照元†

gcc-8.3/gcc/mem_ref_refers_to_non_mem_p()

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説明†

パス: gcc-8.3/gcc/expr.c

FIXME: これは何？
- 説明

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引数†

tree addr
- gcc-8.3/gcc/tree
bool nortl

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返り値†

bool

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参考†

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実装†

/* Returns true if ADDR is an ADDR_EXPR of a DECL that does not reside
   in memory and has non-BLKmode.  DECL_RTL must not be a MEM; if
   DECL_RTL was not set yet, return NORTL.  */

static inline bool
addr_expr_of_non_mem_decl_p_1 (tree addr, bool nortl)
{
  if (TREE_CODE (addr) != ADDR_EXPR)
    return false;

  tree base = TREE_OPERAND (addr, 0);

  if (!DECL_P (base)
      || TREE_ADDRESSABLE (base)
      || DECL_MODE (base) == BLKmode)
    return false;

  if (!DECL_RTL_SET_P (base))
    return nortl;

  return (!MEM_P (DECL_RTL (base)));
}