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nir/builder: Add helpers for easily inserting copy_var intrinsics 

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jason Ekstrand 2015-12-26 10:48:14 -08:00
parent 79dec93ead
commit debf23ec68
1 changed files with 23 additions and 0 deletions
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23
src/compiler/nir/nir_builder.h
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@ -381,6 +381,29 @@ nir_store_var(nir_builder *build, nir_variable *var, nir_ssa_def *value,
nir_builder_instr_insert(build, &store->instr);
}
static inline void
nir_copy_deref_var(nir_builder *build, nir_deref_var *dest, nir_deref_var *src)
{
assert(nir_deref_tail(&dest->deref)->type ==
nir_deref_tail(&src->deref)->type);
nir_intrinsic_instr *copy =
nir_intrinsic_instr_create(build->shader, nir_intrinsic_copy_var);
copy->variables[0] = nir_deref_as_var(nir_copy_deref(copy, &dest->deref));
copy->variables[1] = nir_deref_as_var(nir_copy_deref(copy, &src->deref));
nir_builder_instr_insert(build, &copy->instr);
}
static inline void
nir_copy_var(nir_builder *build, nir_variable *dest, nir_variable *src)
{
nir_intrinsic_instr *copy =
nir_intrinsic_instr_create(build->shader, nir_intrinsic_copy_var);
copy->variables[0] = nir_deref_var_create(copy, dest);
copy->variables[1] = nir_deref_var_create(copy, src);
nir_builder_instr_insert(build, &copy->instr);
}
static inline nir_ssa_def *
nir_load_system_value(nir_builder *build, nir_intrinsic_op op, int index)
{