From c838119946c9f75f1e42f4320275355822cc86fc Mon Sep 17 00:00:00 2001 From: Andrew MacLeod Date: Mon, 7 Nov 2022 15:07:35 -0500 Subject: Add transitive inferred range processing. Rewalk statements at the end of a block to see if any inferred ranges affect earlier calculations and register those as inferred ranges. gcc/ PR tree-optimization/104530 * gimple-range-cache.cc (ranger_cache::register_inferred_value): New. Split from: (ranger_cache::apply_inferred_ranges): Move setting cache to separate function. * gimple-range-cache.h (register_inferred_value): New prototype. * gimple-range-infer.cc (infer_range_manager::has_range_p): New. * gimple-range-infer.h (has_range_p): New prototype. * gimple-range.cc (register_transitive_inferred_ranges): New. * gimple-range.h (register_transitive_inferred_ranges): New proto. * tree-vrp.cc (rvrp_folder::fold_stmt): Check for transitive inferred ranges at the end of the block before folding final stmt. gcc/testsuite/ * gcc.dg/pr104530.c: New. --- gcc/gimple-range-infer.h | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/gimple-range-infer.h') diff --git a/gcc/gimple-range-infer.h b/gcc/gimple-range-infer.h index adfe1fd8c69..10705e046d3 100644 --- a/gcc/gimple-range-infer.h +++ b/gcc/gimple-range-infer.h @@ -62,6 +62,7 @@ public: void add_range (tree name, basic_block bb, const vrange &r); void add_nonzero (tree name, basic_block bb); bool has_range_p (tree name, basic_block bb); + bool has_range_p (basic_block bb); bool maybe_adjust_range (vrange &r, tree name, basic_block bb); private: class exit_range_head -- cgit v1.2.1