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nir: Add a shallow clone function for nir_alu_instr

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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Suggested-by: Jason Ekstrand <jason@jlekstrand.net>
Suggested-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Ian Romanick
2019-05-29 16:48:17 -07:00
parent 0e1c5cc78f
commit 336eab0630
2 changed files with 23 additions and 0 deletions
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src/compiler/nir/nir_clone.c
+20
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@@ -265,6 +265,26 @@ __clone_dst(clone_state *state, nir_instr *ninstr,
}
}
nir_alu_instr *
nir_alu_instr_clone(nir_shader *shader, const nir_alu_instr *orig)
{
nir_alu_instr *clone = nir_alu_instr_create(shader, orig->op);
clone->exact = orig->exact;
for (unsigned i = 0; i < nir_op_infos[orig->op].num_inputs; i++)
nir_alu_src_copy(&clone->src[i], &orig->src[i], clone);
nir_ssa_dest_init(&clone->instr,
&clone->dest.dest,
orig->dest.dest.ssa.num_components,
orig->dest.dest.ssa.bit_size,
orig->dest.dest.ssa.name);
clone->dest.write_mask = orig->dest.write_mask;
return clone;
}
static nir_alu_instr *
clone_alu(clone_state *state, const nir_alu_instr *alu)
{