This patch needs to get renamed, probably something like "nir: set
reg_alloc and ssa_alloc when indexing registers and SSA values"
On Tue, Dec 16, 2014 at 1:05 AM, Jason Ekstrand <ja...@jlekstrand.net> wrote:
> ---
> src/glsl/nir/nir.c | 3 +++
> src/glsl/nir/nir.h | 4 ++--
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/src/glsl/nir/nir.c b/src/glsl/nir/nir.c
> index e90eeda..2c06d7e 100644
> --- a/src/glsl/nir/nir.c
> +++ b/src/glsl/nir/nir.c
> @@ -1334,6 +1334,7 @@ nir_index_local_regs(nir_function_impl *impl)
> foreach_list_typed(nir_register, reg, node, &impl->registers) {
> reg->index = index++;
> }
> + impl->reg_alloc = index;
> }
>
> void
> @@ -1343,6 +1344,7 @@ nir_index_global_regs(nir_shader *shader)
> foreach_list_typed(nir_register, reg, node, &shader->registers) {
> reg->index = index++;
> }
> + shader->reg_alloc = index;
> }
>
> static bool
> @@ -1765,4 +1767,5 @@ nir_index_ssa_defs(nir_function_impl *impl)
> {
> unsigned index = 0;
> nir_foreach_block(impl, index_ssa_block, &index);
> + impl->ssa_alloc = index;
> }
> diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
> index f405694..f744736 100644
> --- a/src/glsl/nir/nir.h
> +++ b/src/glsl/nir/nir.h
> @@ -357,7 +357,7 @@ typedef struct {
> unsigned num_components; /** < number of vector components */
> unsigned num_array_elems; /** < size of array (0 for no array) */
>
> - /** for liveness analysis, the index in the bit-array of live variables */
> + /** generic register index. */
> unsigned index;
>
> /** only for debug purposes, can be NULL */
> @@ -417,7 +417,7 @@ typedef struct {
> /** for debugging only, can be NULL */
> const char* name;
>
> - /** index into the bit-array for liveness analysis */
> + /** generic SSA definition index. */
> unsigned index;
>
> nir_instr *parent_instr;
> --
> 2.2.0
>
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