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RLOAD and VAR don't have inputs

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This commit is contained in:
Dmitry Stogov 2022-11-16 19:21:52 +03:00
parent 3471060709
commit baa9f44ca2
1 changed files with 6 additions and 2 deletions
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8
ir_ra.c
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@ -490,6 +490,9 @@ int ir_compute_live_ranges(ir_ctx *ctx)
IR_START_LIVE_POS_FROM_REF(bb->start), IR_DEF_LIVE_POS_FROM_REF(ref));
ctx->live_intervals[ctx->vregs[ref]]->flags = IR_LIVE_INTERVAL_REG_LOAD;
ctx->live_intervals[ctx->vregs[ref]]->reg = insn->op2;
/* live.remove(opd) */
ir_bitset_excl(live, ctx->vregs[ref]);
continue;
} else if (insn->op != IR_PHI) {
ir_live_pos def_pos;
ir_ref hint_ref = 0;
@ -533,6 +536,8 @@ int ir_compute_live_ranges(ir_ctx *ctx)
ir_fix_live_range(ctx, ctx->vregs[ref],
IR_START_LIVE_POS_FROM_REF(bb->start), def_pos);
ir_add_use(ctx, ctx->vregs[ref], 0, def_pos, reg, def_flags, hint_ref);
/* live.remove(opd) */
ir_bitset_excl(live, ctx->vregs[ref]);
} else {
ir_add_use(ctx, ctx->vregs[ref], 0, IR_DEF_LIVE_POS_FROM_REF(ref), IR_REG_NONE, IR_USE_SHOULD_BE_IN_REG, 0);
/* live.remove(opd) */
@ -540,12 +545,11 @@ int ir_compute_live_ranges(ir_ctx *ctx)
/* PHIs inputs must not be processed */
continue;
}
/* live.remove(opd) */
ir_bitset_excl(live, ctx->vregs[ref]);
} else {
IR_ASSERT(insn->op == IR_VAR);
IR_ASSERT(ctx->use_lists[ref].count > 0);
ir_add_local_var(ctx, ctx->vregs[ref], insn->type);
continue;
}
}