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nir/lower_system_values: Handle SSA destinations 

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Jason Ekstrand 2014-12-15 17:37:07 -08:00
parent 821e75a160
commit 5c16be1c52
1 changed files with 14 additions and 1 deletions
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15
src/glsl/nir/nir_lower_system_values.c
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@ -69,7 +69,20 @@ convert_instr(nir_intrinsic_instr *instr)
}
nir_intrinsic_instr *new_instr = nir_intrinsic_instr_create(mem_ctx, op);
new_instr->dest = nir_dest_copy(instr->dest, mem_ctx);
if (instr->dest.is_ssa) {
new_instr->dest.is_ssa = true;
nir_ssa_def_init(&new_instr->instr, &new_instr->dest.ssa,
instr->dest.ssa.num_components, NULL);
nir_src new_dest_src = {
.is_ssa = true,
.ssa = &new_instr->dest.ssa,
};
nir_ssa_def_rewrite_uses(&instr->dest.ssa, new_dest_src, mem_ctx);
} else {
new_instr->dest = nir_dest_copy(instr->dest, mem_ctx);
}
nir_instr_insert_before(&instr->instr, &new_instr->instr);
nir_instr_remove(&instr->instr);
}