7b1737d07a
2007-03-16 Richard Guenther <rguenther@suse.de> PR tree-optimization/31146 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure to allow recursion of forward_propagate_addr_expr. (forward_propagate_addr_into_variable_array_index): Likewise. (forward_propagate_addr_expr): Likewise. (tree_ssa_forward_propagate_single_use_vars): Likewise. (forward_propagate_addr_expr_1): Recurse on simple copies instead of propagating into them. Do so for useless conversions as well. (forward_propagate_addr_expr): Clean up unused statements after recursion. * g++.dg/tree-ssa/pr31146.C: New testcase. From-SVN: r122985 |
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