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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-11-07 22:05:37 +0000 |
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| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-11-07 22:05:37 +0000 |
| commit | 8c09e55ed3b53099afaff01c5d1f336ddb32cc80 (patch) | |
| tree | 3b09819b82398b3577c387dc732255b7f014c8d4 /gcc/tree-ssa-threadupdate.c | |
| parent | eeb0ae2330c278624a09d903512153cef5cab34d (diff) | |
| download | gcc-8c09e55ed3b53099afaff01c5d1f336ddb32cc80.tar.gz | |
PR rtl-optimization/33737
* cfgcleanup.c (try_crossjump_to_edge): Add count and frequency of
target block after computing the probabilities of outgoing edges.
Cap the frequency to BB_FREQ_MAX.
* tree-ssa-threadupdate.c (redirect_edges): Also adjust count and
frequency of the basic block if it has been reused.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129973 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-threadupdate.c')
| -rw-r--r-- | gcc/tree-ssa-threadupdate.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa-threadupdate.c b/gcc/tree-ssa-threadupdate.c index 1d5500fe018..fe3876ec332 100644 --- a/gcc/tree-ssa-threadupdate.c +++ b/gcc/tree-ssa-threadupdate.c @@ -442,10 +442,14 @@ redirect_edges (void **slot, void *data) remove_ctrl_stmt_and_useless_edges (local_info->bb, rd->outgoing_edge->dest); - /* And fixup the flags on the single remaining edge. */ + /* Fixup the flags on the single remaining edge. */ single_succ_edge (local_info->bb)->flags &= ~(EDGE_TRUE_VALUE | EDGE_FALSE_VALUE | EDGE_ABNORMAL); single_succ_edge (local_info->bb)->flags |= EDGE_FALLTHRU; + + /* And adjust count and frequency on BB. */ + local_info->bb->count = e->count; + local_info->bb->frequency = EDGE_FREQUENCY (e); } } |