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Don't mask out the dummy defines from temp kills.

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This commit is contained in:
Bill Currie 2012-12-11 12:58:16 +09:00
parent 6b4efaa3e4
commit 5083679fcc
1 changed files with 2 additions and 2 deletions
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4
tools/qfcc/source/flow.c
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@ -434,9 +434,9 @@ flow_kill_aliases (set_t *kill, flowvar_t *var, const set_t *uninit)
if (var)
set_union (tmp, var->define);
}
// don't allow aliases to kill definitions in the entry dummy block
set_difference (tmp, uninit);
}
// don't allow aliases to kill definitions in the entry dummy block
set_difference (tmp, uninit);
// merge the alias kills with the current def's kills
set_union (kill, tmp);
}