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Inhibit DSE for implicit loads via calls.

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Mike Pall 2013-04-09 11:50:33 +02:00
parent b5bbacdc17
commit f17b038828
1 changed files with 1 additions and 1 deletions
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src/lj_opt_mem.c
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@ -347,7 +347,7 @@ TRef LJ_FASTCALL lj_opt_dse_ahstore(jit_State *J)
IRIns *ir; IRIns *ir;
/* Check for any intervening guards (includes conflicting loads). */ /* Check for any intervening guards (includes conflicting loads). */
for (ir = IR(J->cur.nins-1); ir > store; ir--) for (ir = IR(J->cur.nins-1); ir > store; ir--)
if (irt_isguard(ir->t)) if (irt_isguard(ir->t) || ir->o == IR_CALLL)
goto doemit; /* No elimination possible. */ goto doemit; /* No elimination possible. */
/* Remove redundant store from chain and replace with NOP. */ /* Remove redundant store from chain and replace with NOP. */
*refp = store->prev; *refp = store->prev;