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Viewing changes to src/compiler/nir/nir_deref.c

  • Committer: mmach
  • Date: 2021-03-12 20:48:59 UTC
  • Revision ID: netbit73@gmail.com-20210312204859-i194ujlcu82pq61p
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Lines of Context:
src/compiler/nir/nir_deref.c
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   nir_ssa_def *offset = nir_imm_intN_t(b, 0, deref->dest.ssa.bit_size);
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   for (nir_deref_instr **p = &path.path[1]; *p; p++) {
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      switch ((*p)->deref_type) {
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      case nir_deref_type_array: {
 
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      case nir_deref_type_array:
 
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      case nir_deref_type_ptr_as_array: {
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         nir_ssa_def *index = nir_ssa_for_src(b, (*p)->arr.index, 1);
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         int stride = type_get_array_stride((*p)->type, size_align);
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         offset = nir_iadd(b, offset, nir_amul_imm(b, index, stride));
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   return result;
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}
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nir_deref_path *nir_get_deref_path(void *mem_ctx, nir_deref_and_path *deref)
 
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{
 
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   if (!deref->_path) {
 
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      deref->_path = ralloc(mem_ctx, nir_deref_path);
 
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      nir_deref_path_init(deref->_path, deref->instr, mem_ctx);
 
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   }
 
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   return deref->_path;
 
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}
 
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nir_deref_compare_result nir_compare_derefs_and_paths(void *mem_ctx,
 
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                                                      nir_deref_and_path *a,
 
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                                                      nir_deref_and_path *b)
 
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{
 
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   if (a->instr == b->instr) /* nir_compare_derefs has a fast path if a == b */
 
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      return nir_compare_derefs(a->instr, b->instr);
 
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   return nir_compare_deref_paths(nir_get_deref_path(mem_ctx, a),
 
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                                  nir_get_deref_path(mem_ctx, b));
 
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}
 
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struct rematerialize_deref_state {
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   bool progress;
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   nir_builder builder;