discover type of getrusage in spesh

this allows devirtualization of atpos_i accesses to getrusage's result. Probably barely worth anything cpu-time wise.
MoarVM · Mar 26, 2018 · 621ca3c · 621ca3c
1 parent e7fee68
commit 621ca3c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/spesh/facts.c b/src/spesh/facts.c
@@ -625,6 +625,11 @@ static void add_bb_facts(MVMThreadContext *tc, MVMSpeshGraph *g, MVMSpeshBB *bb,
                 ins->operands[0].reg.orig, ins->operands[0].reg.i,
                 ins->operands[4].reg.orig, ins->operands[4].reg.i);
             break;
+        case MVM_OP_getrusage:
+            create_facts_with_type(tc, g,
+                ins->operands[0].reg.orig, ins->operands[0].reg.i,
+                tc->instance->boot_types.BOOTIntArray);
+            break;
         case MVM_OP_cas_o:
         case MVM_OP_atomicload_o: {
             MVMSpeshOperand result = ins->operands[0];