diff options
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index 0bda94ab325..81f70f193d9 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -304,21 +304,6 @@ struct GTY((for_user)) scev_info_str { static unsigned nb_set_scev = 0; static unsigned nb_get_scev = 0; -/* The following trees are unique elements. Thus the comparison of - another element to these elements should be done on the pointer to - these trees, and not on their value. */ - -/* The SSA_NAMEs that are not yet analyzed are qualified with NULL_TREE. */ -tree chrec_not_analyzed_yet; - -/* Reserved to the cases where the analyzer has detected an - undecidable property at compile time. */ -tree chrec_dont_know; - -/* When the analyzer has detected that a property will never - happen, then it qualifies it with chrec_known. */ -tree chrec_known; - struct scev_info_hasher : ggc_ptr_hash<scev_info_str> { static hashval_t hash (scev_info_str *i); @@ -3056,23 +3041,6 @@ gather_stats_on_scev_database (void) } - -/* Initializer. */ - -static void -initialize_scalar_evolutions_analyzer (void) -{ - /* The elements below are unique. */ - if (chrec_dont_know == NULL_TREE) - { - chrec_not_analyzed_yet = NULL_TREE; - chrec_dont_know = make_node (SCEV_NOT_KNOWN); - chrec_known = make_node (SCEV_KNOWN); - TREE_TYPE (chrec_dont_know) = void_type_node; - TREE_TYPE (chrec_known) = void_type_node; - } -} - /* Initialize the analysis of scalar evolutions for LOOPS. */ void @@ -3084,8 +3052,6 @@ scev_initialize (void) scalar_evolution_info = hash_table<scev_info_hasher>::create_ggc (100); - initialize_scalar_evolutions_analyzer (); - FOR_EACH_LOOP (loop, 0) { loop->nb_iterations = NULL_TREE; |