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| author | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-12 19:31:16 +0000 |
|---|---|---|
| committer | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-12 19:31:16 +0000 |
| commit | c2c3fd2498db32a99024a8de72f2d8e01b630b56 (patch) | |
| tree | 3c802a37a69533f1e5eac9a5138ce105450e9411 /gcc/cfgloop.h | |
| parent | 207355adb285abe9ff09b7b0467db35a73d58eb9 (diff) | |
| download | gcc-c2c3fd2498db32a99024a8de72f2d8e01b630b56.tar.gz | |
* cfgloop.h (struct loop): Add nb_iterations field.
(current_loops): Declare.
* tree-chrec.c (chrec_not_analyzed_yet,
chrec_dont_know, chrec_known, count_ev_in_wider_type,
chrec_contains_symbols_defined_in_loop): Remove the temporary
hooks.
* tree-flow-inline.h (loop_containing_stmt): New function.
* tree-scalar-evolution.c: Add implementation.
* tree-scalar-evolution.h: Add declarations.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84573 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgloop.h')
| -rw-r--r-- | gcc/cfgloop.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h index 01b8d64e5f4..8ccffd3e84b 100644 --- a/gcc/cfgloop.h +++ b/gcc/cfgloop.h @@ -176,6 +176,13 @@ struct loop loops nested inside it. */ int exit_count; + /* The probable number of times the loop is executed at runtime. + This is an INTEGER_CST or an expression containing symbolic + names. Don't access this field directly: + number_of_iterations_in_loop computes and caches the computed + information in this field. */ + tree nb_iterations; + /* Upper bound on number of iterations of a loop. */ struct nb_iter_bound *bounds; }; @@ -227,6 +234,10 @@ struct loops int state; }; +/* The loop tree currently optimized. */ + +extern struct loops *current_loops; + /* Flags for loop discovery. */ #define LOOP_TREE 1 /* Build loop hierarchy tree. */ |