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mem2reg to preserve user attributes and src

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This commit is contained in:
Eddie Hung 2019-08-21 13:36:01 -07:00
parent 7d8db1c053
commit a6776ee35e
2 changed files with 17 additions and 0 deletions
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4
frontends/ast/simplify.cc
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@ -150,6 +150,10 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
reg->str = stringf("%s[%d]", node->str.c_str(), i);
reg->is_reg = true;
reg->is_signed = node->is_signed;
for (auto &it : node->attributes)
reg->attributes.emplace(it.first, it.second->clone());
reg->filename = node->filename;
reg->linenum = node->linenum;
children.push_back(reg);
while (reg->simplify(true, false, false, 1, -1, false, false)) { }
}