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Diffstat (limited to 'gcc/tree-ssanames.c')
| -rw-r--r-- | gcc/tree-ssanames.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/tree-ssanames.c b/gcc/tree-ssanames.c index 4dd881a..910cb19 100644 --- a/gcc/tree-ssanames.c +++ b/gcc/tree-ssanames.c @@ -528,6 +528,23 @@ duplicate_ssa_name_fn (struct function *fn, tree name, gimple stmt) } +/* Reset all flow sensitive data on NAME such as range-info, nonzero + bits and alignment. */ + +void +reset_flow_sensitive_info (tree name) +{ + if (POINTER_TYPE_P (TREE_TYPE (name))) + { + /* points-to info is not flow-sensitive. */ + if (SSA_NAME_PTR_INFO (name)) + mark_ptr_info_alignment_unknown (SSA_NAME_PTR_INFO (name)); + } + else + SSA_NAME_RANGE_INFO (name) = NULL; +} + + /* Release all the SSA_NAMEs created by STMT. */ void |