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.h | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/gimple-range.h') diff --git a/gcc/gimple-range.h b/gcc/gimple-range.h index 22e05f645f8..dfe8199b8b0 100644 --- a/gcc/gimple-range.h +++ b/gcc/gimple-range.h @@ -62,6 +62,7 @@ public: auto_edge_flag non_executable_edge_flag; bool fold_stmt (gimple_stmt_iterator *gsi, tree (*) (tree)); void register_inferred_ranges (gimple *s); + void register_transitive_inferred_ranges (basic_block bb); protected: bool fold_range_internal (vrange &r, gimple *s, tree name); void prefill_name (vrange &r, tree name); -- cgit v1.2.1