Connor Abbott <cwabbo...@gmail.com> writes: > Unfortunately, we can't support unstructured COME FROM yet, since we > can't structurize arbitrary control flow graphs. Also TODO is adding > support for threading by having multiple come_from's point to the same > unconditional branch, as well as various other INTERCAL features. >
I believe what we are really badly missing is a
call-with-current-continuation opcode, COME FROM or any other obscure
control flow construct of your choice will become a straightforward
special case. Please fix!
> Signed-off-by: Connor Abbott <cwabbo...@gmail.com>
> ---
> src/glsl/nir/nir_print.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/src/glsl/nir/nir_print.c b/src/glsl/nir/nir_print.c
> index fa11a31..2086e21 100644
> --- a/src/glsl/nir/nir_print.c
> +++ b/src/glsl/nir/nir_print.c
> @@ -655,12 +655,10 @@ print_block(nir_block *block, print_var_state *state,
> unsigned tabs, FILE *fp)
> qsort(preds, block->predecessors->entries, sizeof(nir_block *),
> compare_block_index);
>
> - print_tabs(tabs, fp);
> - fprintf(fp, "/* preds: ");
> for (unsigned i = 0; i < block->predecessors->entries; i++) {
> - fprintf(fp, "block_%u ", preds[i]->index);
> + print_tabs(tabs, fp);
> + fprintf(fp, "come_from %u\n", preds[i]->index);
> }
> - fprintf(fp, "*/\n");
>
> free(preds);
>
> --
> 2.1.0
>
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