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i965/cfg: Assert that cur_do/while/if pointers are non-NULL.

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Coverity sees that the functions immediately below the new assertions
dereference these pointers, but is unaware that an ENDIF always follows
an IF, etc.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Matt Turner 2015-06-22 11:09:49 -07:00
parent 04758d25b4
commit 4d93a07c45
1 changed files with 2 additions and 0 deletions
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2
src/mesa/drivers/dri/i965/brw_cfg.cpp
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@ -231,6 +231,7 @@ cfg_t::cfg_t(exec_list *instructions)
if (cur_else) {
cur_else->add_successor(mem_ctx, cur_endif);
} else {
assert(cur_if != NULL);
cur_if->add_successor(mem_ctx, cur_endif);
}
@ -299,6 +300,7 @@ cfg_t::cfg_t(exec_list *instructions)
inst->exec_node::remove();
cur->instructions.push_tail(inst);
assert(cur_do != NULL && cur_while != NULL);
cur->add_successor(mem_ctx, cur_do);
set_next_block(&cur, cur_while, ip);