nir: Return progress from nir_lower_64bit_pack().
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
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@ -2568,7 +2568,7 @@ typedef enum {
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} nir_lower_doubles_options;
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bool nir_lower_doubles(nir_shader *shader, nir_lower_doubles_options options);
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void nir_lower_64bit_pack(nir_shader *shader);
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bool nir_lower_64bit_pack(nir_shader *shader);
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bool nir_normalize_cubemap_coords(nir_shader *shader);
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@ -48,11 +48,12 @@ lower_unpack_64(nir_builder *b, nir_ssa_def *src)
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nir_unpack_64_2x32_split_y(b, src));
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}
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static void
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static bool
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lower_64bit_pack_impl(nir_function_impl *impl)
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{
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nir_builder b;
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nir_builder_init(&b, impl);
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bool progress = false;
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nir_foreach_block(block, impl) {
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nir_foreach_instr_safe(instr, block) {
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@ -83,15 +84,24 @@ lower_64bit_pack_impl(nir_function_impl *impl)
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nir_ssa_def_rewrite_uses(&alu_instr->dest.dest.ssa, nir_src_for_ssa(dest));
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nir_instr_remove(&alu_instr->instr);
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nir_metadata_preserve(impl, nir_metadata_block_index |
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nir_metadata_dominance);
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progress = true;
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}
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}
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return progress;
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}
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void
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bool
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nir_lower_64bit_pack(nir_shader *shader)
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{
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bool progress = false;
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nir_foreach_function(function, shader) {
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if (function->impl)
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lower_64bit_pack_impl(function->impl);
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progress |= lower_64bit_pack_impl(function->impl);
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}
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return false;
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}
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