expr.c (get_def_for_expr): New function.
* expr.c (get_def_for_expr): New function. (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with SSA rather than trees. <MULT_EXPR>: Likewise. Use subexp0 and subexp1 instead of TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1). Co-Authored-By: Richard Guenther <rguenther@suse.de> From-SVN: r147078
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