graphite-scop-detection.c (scop_detection::stmt_has_simple_data_ref): Simplify.
2017-09-18 Richard Biener <rguenther@suse.de> * graphite-scop-detection.c (scop_detection::stmt_has_simple_data_ref): Simplify. (build_alias_set): Reject aliases with no access function. From-SVN: r252906
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@ -1,3 +1,9 @@
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2017-09-18 Richard Biener <rguenther@suse.de>
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* graphite-scop-detection.c (scop_detection::stmt_has_simple_data_ref):
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Simplify.
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(build_alias_set): Reject aliases with no access function.
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2017-09-18 Richard Biener <rguenther@suse.de>
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PR tree-optimization/79622
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@ -1338,40 +1338,23 @@ scop_detection::stmt_has_simple_data_refs_p (sese_l scop, gimple *stmt)
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{
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loop_p nest = outermost_loop_in_sese (scop, gimple_bb (stmt));
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loop_p loop = loop_containing_stmt (stmt);
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vec<data_reference_p> drs = vNULL;
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if (!loop_in_sese_p (loop, scop))
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loop = nest;
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graphite_find_data_references_in_stmt (nest, loop, stmt, &drs);
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auto_vec<data_reference_p> drs;
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if (! graphite_find_data_references_in_stmt (nest, loop, stmt, &drs))
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return false;
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int j;
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data_reference_p dr;
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FOR_EACH_VEC_ELT (drs, j, dr)
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{
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int nb_subscripts = DR_NUM_DIMENSIONS (dr);
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if (nb_subscripts < 1)
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{
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free_data_refs (drs);
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for (unsigned i = 0; i < DR_NUM_DIMENSIONS (dr); ++i)
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if (! graphite_can_represent_scev (DR_ACCESS_FN (dr, i)))
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return false;
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}
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tree ref = DR_REF (dr);
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for (int i = nb_subscripts - 1; i >= 0; i--)
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{
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if (!graphite_can_represent_scev (DR_ACCESS_FN (dr, i))
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|| (TREE_CODE (ref) != ARRAY_REF && TREE_CODE (ref) != MEM_REF
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&& TREE_CODE (ref) != COMPONENT_REF))
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{
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free_data_refs (drs);
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return false;
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}
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ref = TREE_OPERAND (ref, 0);
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}
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}
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free_data_refs (drs);
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return true;
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return true;
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}
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/* GIMPLE_ASM and GIMPLE_CALL may embed arbitrary side effects.
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@ -1875,7 +1858,8 @@ build_alias_set (scop_p scop)
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{
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/* Dependences in the same alias set need to be handled
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by just looking at DR_ACCESS_FNs. */
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if (DR_NUM_DIMENSIONS (dr1->dr) != DR_NUM_DIMENSIONS (dr2->dr)
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if (DR_NUM_DIMENSIONS (dr1->dr) == 0
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|| DR_NUM_DIMENSIONS (dr1->dr) != DR_NUM_DIMENSIONS (dr2->dr)
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|| ! operand_equal_p (DR_BASE_OBJECT (dr1->dr),
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DR_BASE_OBJECT (dr2->dr),
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OEP_ADDRESS_OF)
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