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nir: Add a helper for creating a "bare" nir_function_impl

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Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jason Ekstrand
2015-10-27 21:34:56 -07:00
parent 2ef4754a20
commit 066d3c115e
2 changed files with 20 additions and 10 deletions
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28
src/compiler/nir/nir.c
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@@ -258,16 +258,11 @@ cf_init(nir_cf_node *node, nir_cf_node_type type)
} }
nir_function_impl * nir_function_impl *
nir_function_impl_create(nir_function *function) nir_function_impl_create_bare(nir_shader *shader)
{ {
assert(function->impl == NULL); nir_function_impl *impl = ralloc(shader, nir_function_impl);
void *mem_ctx = ralloc_parent(function); impl->function = NULL;
nir_function_impl *impl = ralloc(mem_ctx, nir_function_impl);
function->impl = impl;
impl->function = function;
cf_init(&impl->cf_node, nir_cf_node_function); cf_init(&impl->cf_node, nir_cf_node_function);
@@ -282,8 +277,8 @@ nir_function_impl_create(nir_function *function)
impl->valid_metadata = nir_metadata_none; impl->valid_metadata = nir_metadata_none;
/* create start & end blocks */ /* create start & end blocks */
nir_block *start_block = nir_block_create(mem_ctx); nir_block *start_block = nir_block_create(shader);
nir_block *end_block = nir_block_create(mem_ctx); nir_block *end_block = nir_block_create(shader);
start_block->cf_node.parent = &impl->cf_node; start_block->cf_node.parent = &impl->cf_node;
end_block->cf_node.parent = &impl->cf_node; end_block->cf_node.parent = &impl->cf_node;
impl->end_block = end_block; impl->end_block = end_block;
@@ -295,6 +290,19 @@ nir_function_impl_create(nir_function *function)
return impl; return impl;
} }
nir_function_impl *
nir_function_impl_create(nir_function *function)
{
assert(function->impl == NULL);
nir_function_impl *impl = nir_function_impl_create_bare(function->shader);
function->impl = impl;
impl->function = function;
return impl;
}
nir_block * nir_block *
nir_block_create(nir_shader *shader) nir_block_create(nir_shader *shader)
{ {

2
src/compiler/nir/nir.h
View File

@@ -1732,6 +1732,8 @@ nir_variable *nir_local_variable_create(nir_function_impl *impl,
nir_function *nir_function_create(nir_shader *shader, const char *name); nir_function *nir_function_create(nir_shader *shader, const char *name);
nir_function_impl *nir_function_impl_create(nir_function *func); nir_function_impl *nir_function_impl_create(nir_function *func);
/** creates a function_impl that isn't tied to any particular function */
nir_function_impl *nir_function_impl_create_bare(nir_shader *shader);
nir_block *nir_block_create(nir_shader *shader); nir_block *nir_block_create(nir_shader *shader);
nir_if *nir_if_create(nir_shader *shader); nir_if *nir_if_create(nir_shader *shader);