Hi All,
Find_Freq_LMV_Predecessors's code has a obvious problem for do loop at line
freq.cxx:1588.
do {
// get BB's predecessor count
if(predecessor count is 2) {
// then branch
on some condition break;
match_pattern = TRUE.
}
} while(match_pattern);
the match_pattern is not reset FALSE for each iteration. Once it's set TRUE,
it will always true in do while loop. Cause inifite loop.
FIx is initialized match_pattern FALSE for each iteration.
Can gatekeeper help check this fix?
Index: osprey/be/cg/freq.cxx
===================================================================
--- osprey/be/cg/freq.cxx (revision 3395)
+++ osprey/be/cg/freq.cxx (working copy)
@@ -1587,6 +1587,7 @@
BB *pred2 = NULL;
do {
n_preds = 0;
+ match_pattern = FALSE;
FOR_ALL_PRED_EDGES(merge,edge) {
n_preds++;
}
Thanks
Shi, Hui
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