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| author | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-22 00:42:28 +0000 |
|---|---|---|
| committer | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-22 00:42:28 +0000 |
| commit | d0186307062d00b77b83f0fb907604943f3493cc (patch) | |
| tree | 4b807050400db7408a16243b129aa442be14c1d6 /gcc/tree-flow-inline.h | |
| parent | c0790887e53a275fa58f4fbf438d81dc73a6130c (diff) | |
| download | gcc-d0186307062d00b77b83f0fb907604943f3493cc.tar.gz | |
2005-09-20 Daniel Berlin <dberlin@dberlin.org>
* tree-data-ref.c (analyze_array_indexes): Only estimate when
estimate_only is true.
* tree-flow.h (ref_contains_indirect_ref): New prototype.
* tree-flow-inline.h (ref_contains_indirect_ref): Moved from
tree-ssa-structalias.c
* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
ref_contains_indirect_ref.
* tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104518 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-flow-inline.h')
| -rw-r--r-- | gcc/tree-flow-inline.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h index b0f5e888551..b317c8ccc9a 100644 --- a/gcc/tree-flow-inline.h +++ b/gcc/tree-flow-inline.h @@ -1414,6 +1414,21 @@ unmodifiable_var_p (tree var) return TREE_READONLY (var) && (TREE_STATIC (var) || DECL_EXTERNAL (var)); } +/* Return true if REF, an ARRAY_REF, has an INDIRECT_REF somewhere in + it. */ + +static inline bool +ref_contains_indirect_ref (tree ref) +{ + while (handled_component_p (ref)) + { + if (TREE_CODE (ref) == INDIRECT_REF) + return true; + ref = TREE_OPERAND (ref, 0); + } + return false; +} + /* Return true if REF, a COMPONENT_REF, has an ARRAY_REF somewhere in it. */ static inline bool |