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Fix support for "long" PHIs

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This commit is contained in:
Dmitry Stogov 2022-10-12 11:59:49 +03:00
parent 3ef58e5c2e
commit c74cac2556
1 changed files with 11 additions and 1 deletions
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12
ir_gcm.c
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@ -78,7 +78,17 @@ static void ir_gcm_schedule_late(ir_ctx *ctx, uint32_t *_blocks, ir_bitset visit
} else if (insn->op3 == ref) {
b = _blocks[ctx->ir_base[insn->op1].op2];
} else {
IR_ASSERT(0);
ir_ref j, n, *p;
b = 0;
n = ir_input_edges_count(ctx, insn);
for (j = 4, p = insn->ops + 4; j <= n; j++, p++) {
if (*p == ref) {
b = _blocks[ctx->ir_base[insn->op1].ops[j]];
break;
}
}
IR_ASSERT(b != 0);
}
}
lca = !lca ? b : ir_gcm_find_lca(ctx, lca, b);