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| author | Sven Verdoolaege <skimo@kotnet.org> | 2010-06-25 19:40:02 +0200 |
|---|---|---|
| committer | Sven Verdoolaege <skimo@kotnet.org> | 2010-06-26 17:37:39 +0200 |
| commit | c3bbf920555f83634940f3e3993c649f6e3cc699 (patch) | |
| tree | 9dc9ddd48c321340c08bcc25c373dc73f3a37421 /isl_tab.c | |
| parent | 46161823d9abff47985dceb9b9007f5e62678c6b (diff) | |
| download | isl-c3bbf920555f83634940f3e3993c649f6e3cc699.tar.gz isl-c3bbf920555f83634940f3e3993c649f6e3cc699.tar.bz2 isl-c3bbf920555f83634940f3e3993c649f6e3cc699.zip | |
isl_tab.c: close_row: fix error handling
Diffstat (limited to 'isl_tab.c')
| -rw-r--r-- | isl_tab.c | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -1534,11 +1534,15 @@ static int close_row(struct isl_tab *tab, struct isl_tab_var *var) if (isl_tab_push_var(tab, isl_tab_undo_zero, var) < 0) return -1; for (j = tab->n_dead; j < tab->n_col; ++j) { + int recheck; if (isl_int_is_zero(mat->row[var->index][off + j])) continue; isl_assert(tab->mat->ctx, isl_int_is_neg(mat->row[var->index][off + j]), return -1); - if (isl_tab_kill_col(tab, j)) + recheck = isl_tab_kill_col(tab, j); + if (recheck < 0) + return -1; + if (recheck) --j; } if (isl_tab_mark_redundant(tab, var->index) < 0) |