On 04/27/2016 05:41 AM, Jason Ekstrand wrote:
> This matches the "foreach x in container" pattern found in many other
> programming languages. Generated by the following regular expression:
>
> s/nir_foreach_phi_src(\([^,]*\),\s*\([^,]*\))/nir_foreach_phi_src(\2, \1)/
>
> and a similar expression for nir_foreach_phi_src_safe.
> ---
> src/compiler/nir/nir.c | 2 +-
> src/compiler/nir/nir.h | 8 ++++----
> src/compiler/nir/nir_control_flow.c | 4 ++--
> src/compiler/nir/nir_from_ssa.c | 4 ++--
> src/compiler/nir/nir_instr_set.c | 6 +++---
> src/compiler/nir/nir_liveness.c | 2 +-
> src/compiler/nir/nir_lower_phis_to_scalar.c | 4 ++--
> src/compiler/nir/nir_opt_dead_cf.c | 2 +-
> src/compiler/nir/nir_opt_gcm.c | 2 +-
> src/compiler/nir/nir_opt_peephole_select.c | 2 +-
> src/compiler/nir/nir_opt_remove_phis.c | 2 +-
> src/compiler/nir/nir_print.c | 2 +-
> src/compiler/nir/nir_to_ssa.c | 2 +-
> src/compiler/nir/nir_validate.c | 2 +-
> src/gallium/drivers/freedreno/ir3/ir3_nir_lower_if_else.c | 2 +-
> 15 files changed, 23 insertions(+), 23 deletions(-)
>
> diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
> index 6c1b129..4c283ef 100644
> --- a/src/compiler/nir/nir.c
> +++ b/src/compiler/nir/nir.c
> @@ -1162,7 +1162,7 @@ visit_load_const_src(nir_load_const_instr *instr,
> nir_foreach_src_cb cb,
> static bool
> visit_phi_src(nir_phi_instr *instr, nir_foreach_src_cb cb, void *state)
> {
> - nir_foreach_phi_src(instr, src) {
> + nir_foreach_phi_src(src, instr) {
> if (!visit_src(&src->src, cb, state))
> return false;
> }
> diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
> index 113073f..ee6abdd 100644
> --- a/src/compiler/nir/nir.h
> +++ b/src/compiler/nir/nir.h
> @@ -1304,10 +1304,10 @@ typedef struct {
> nir_src src;
> } nir_phi_src;
>
> -#define nir_foreach_phi_src(phi, entry) \
> - foreach_list_typed(nir_phi_src, entry, node, &(phi)->srcs)
> -#define nir_foreach_phi_src_safe(phi, entry) \
> - foreach_list_typed_safe(nir_phi_src, entry, node, &(phi)->srcs)
Should the macro be renamed nir_foreach_src_phi? That way the words in
the name match the order of the parameters. That also makes the name
(almost) short for "for each source in phi". Maybe
nir_foreach_src_in_phi? I think Matt previously nixed having "in" in
these macro names, so I don't want to reopen a previously closed can of
worms.
> +#define nir_foreach_phi_src(src, phi) \
> + foreach_list_typed(nir_phi_src, src, node, &(phi)->srcs)
> +#define nir_foreach_phi_src_safe(src, phi) \
> + foreach_list_typed_safe(nir_phi_src, src, node, &(phi)->srcs)
>
> typedef struct {
> nir_instr instr;
> diff --git a/src/compiler/nir/nir_control_flow.c
> b/src/compiler/nir/nir_control_flow.c
> index 64d9a86..a485e71 100644
> --- a/src/compiler/nir/nir_control_flow.c
> +++ b/src/compiler/nir/nir_control_flow.c
> @@ -261,7 +261,7 @@ rewrite_phi_preds(nir_block *block, nir_block *old_pred,
> nir_block *new_pred)
> break;
>
> nir_phi_instr *phi = nir_instr_as_phi(instr);
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> if (src->pred == old_pred) {
> src->pred = new_pred;
> break;
> @@ -542,7 +542,7 @@ remove_phi_src(nir_block *block, nir_block *pred)
> break;
>
> nir_phi_instr *phi = nir_instr_as_phi(instr);
> - nir_foreach_phi_src_safe(phi, src) {
> + nir_foreach_phi_src_safe(src, phi) {
> if (src->pred == pred) {
> list_del(&src->src.use_link);
> exec_node_remove(&src->node);
> diff --git a/src/compiler/nir/nir_from_ssa.c b/src/compiler/nir/nir_from_ssa.c
> index 947ebe1..d333752 100644
> --- a/src/compiler/nir/nir_from_ssa.c
> +++ b/src/compiler/nir/nir_from_ssa.c
> @@ -331,7 +331,7 @@ isolate_phi_nodes_block(nir_block *block, void *dead_ctx)
>
> nir_phi_instr *phi = nir_instr_as_phi(instr);
> assert(phi->dest.is_ssa);
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> nir_parallel_copy_instr *pcopy =
> get_parallel_copy_at_end_of_block(src->pred);
> assert(pcopy);
> @@ -380,7 +380,7 @@ coalesce_phi_nodes_block(nir_block *block, struct
> from_ssa_state *state)
> assert(phi->dest.is_ssa);
> merge_node *dest_node = get_merge_node(&phi->dest.ssa, state);
>
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> assert(src->src.is_ssa);
> merge_node *src_node = get_merge_node(src->src.ssa, state);
> if (src_node->set != dest_node->set)
> diff --git a/src/compiler/nir/nir_instr_set.c
> b/src/compiler/nir/nir_instr_set.c
> index c616143..fe312a0 100644
> --- a/src/compiler/nir/nir_instr_set.c
> +++ b/src/compiler/nir/nir_instr_set.c
> @@ -106,7 +106,7 @@ hash_phi(uint32_t hash, const nir_phi_instr *instr)
> unsigned num_preds = instr->instr.block->predecessors->entries;
> NIR_VLA(nir_phi_src *, srcs, num_preds);
> unsigned i = 0;
> - nir_foreach_phi_src(instr, src) {
> + nir_foreach_phi_src(src, instr) {
> srcs[i++] = src;
> }
>
> @@ -343,8 +343,8 @@ nir_instrs_equal(const nir_instr *instr1, const nir_instr
> *instr2)
> if (phi1->instr.block != phi2->instr.block)
> return false;
>
> - nir_foreach_phi_src(phi1, src1) {
> - nir_foreach_phi_src(phi2, src2) {
> + nir_foreach_phi_src(src1, phi1) {
> + nir_foreach_phi_src(src2, phi2) {
> if (src1->pred == src2->pred) {
> if (!nir_srcs_equal(src1->src, src2->src))
> return false;
> diff --git a/src/compiler/nir/nir_liveness.c b/src/compiler/nir/nir_liveness.c
> index 69c6fd9..1fcb01d 100644
> --- a/src/compiler/nir/nir_liveness.c
> +++ b/src/compiler/nir/nir_liveness.c
> @@ -138,7 +138,7 @@ propagate_across_edge(nir_block *pred, nir_block *succ,
> break;
> nir_phi_instr *phi = nir_instr_as_phi(instr);
>
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> if (src->pred == pred) {
> set_src_live(&src->src, live);
> break;
> diff --git a/src/compiler/nir/nir_lower_phis_to_scalar.c
> b/src/compiler/nir/nir_lower_phis_to_scalar.c
> index a1a679b..0e27e6d 100644
> --- a/src/compiler/nir/nir_lower_phis_to_scalar.c
> +++ b/src/compiler/nir/nir_lower_phis_to_scalar.c
> @@ -146,7 +146,7 @@ should_lower_phi(nir_phi_instr *phi, struct
> lower_phis_to_scalar_state *state)
>
> bool scalarizable = true;
>
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> scalarizable = is_phi_src_scalarizable(src, state);
> if (!scalarizable)
> break;
> @@ -214,7 +214,7 @@ lower_phis_to_scalar_block(nir_block *block,
>
> vec->src[i].src = nir_src_for_ssa(&new_phi->dest.ssa);
>
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> /* We need to insert a mov to grab the i'th component of src */
> nir_alu_instr *mov = nir_alu_instr_create(state->mem_ctx,
> nir_op_imov);
> diff --git a/src/compiler/nir/nir_opt_dead_cf.c
> b/src/compiler/nir/nir_opt_dead_cf.c
> index ca73e50..4b62e55 100644
> --- a/src/compiler/nir/nir_opt_dead_cf.c
> +++ b/src/compiler/nir/nir_opt_dead_cf.c
> @@ -97,7 +97,7 @@ opt_constant_if(nir_if *if_stmt, bool condition)
>
> nir_phi_instr *phi = nir_instr_as_phi(instr);
> nir_ssa_def *def = NULL;
> - nir_foreach_phi_src(phi, phi_src) {
> + nir_foreach_phi_src(phi_src, phi) {
> if (phi_src->pred != last_block)
> continue;
>
> diff --git a/src/compiler/nir/nir_opt_gcm.c b/src/compiler/nir/nir_opt_gcm.c
> index d79235d..a87a006 100644
> --- a/src/compiler/nir/nir_opt_gcm.c
> +++ b/src/compiler/nir/nir_opt_gcm.c
> @@ -292,7 +292,7 @@ gcm_schedule_late_def(nir_ssa_def *def, void *void_state)
> if (use_instr->type == nir_instr_type_phi) {
> nir_phi_instr *phi = nir_instr_as_phi(use_instr);
>
> - nir_foreach_phi_src(phi, phi_src) {
> + nir_foreach_phi_src(phi_src, phi) {
> if (phi_src->src.ssa == def)
> lca = nir_dominance_lca(lca, phi_src->pred);
> }
> diff --git a/src/compiler/nir/nir_opt_peephole_select.c
> b/src/compiler/nir/nir_opt_peephole_select.c
> index b31cc35..4d2b74d 100644
> --- a/src/compiler/nir/nir_opt_peephole_select.c
> +++ b/src/compiler/nir/nir_opt_peephole_select.c
> @@ -194,7 +194,7 @@ nir_opt_peephole_select_block(nir_block *block, void
> *mem_ctx)
> memset(sel->src[0].swizzle, 0, sizeof sel->src[0].swizzle);
>
> assert(exec_list_length(&phi->srcs) == 2);
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> assert(src->pred == then_block || src->pred == else_block);
> assert(src->src.is_ssa);
>
> diff --git a/src/compiler/nir/nir_opt_remove_phis.c
> b/src/compiler/nir/nir_opt_remove_phis.c
> index 5234c0f..5d015c2 100644
> --- a/src/compiler/nir/nir_opt_remove_phis.c
> +++ b/src/compiler/nir/nir_opt_remove_phis.c
> @@ -56,7 +56,7 @@ remove_phis_block(nir_block *block)
> nir_ssa_def *def = NULL;
> bool srcs_same = true;
>
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> assert(src->src.is_ssa);
>
> /* For phi nodes at the beginning of loops, we may encounter some
> diff --git a/src/compiler/nir/nir_print.c b/src/compiler/nir/nir_print.c
> index 76effa9..e504d88 100644
> --- a/src/compiler/nir/nir_print.c
> +++ b/src/compiler/nir/nir_print.c
> @@ -793,7 +793,7 @@ print_phi_instr(nir_phi_instr *instr, print_state *state)
> FILE *fp = state->fp;
> print_dest(&instr->dest, state);
> fprintf(fp, " = phi ");
> - nir_foreach_phi_src(instr, src) {
> + nir_foreach_phi_src(src, instr) {
> if (&src->node != exec_list_get_head(&instr->srcs))
> fprintf(fp, ", ");
>
> diff --git a/src/compiler/nir/nir_to_ssa.c b/src/compiler/nir/nir_to_ssa.c
> index 7668491..7dc283d 100644
> --- a/src/compiler/nir/nir_to_ssa.c
> +++ b/src/compiler/nir/nir_to_ssa.c
> @@ -389,7 +389,7 @@ rewrite_phi_sources(nir_block *block, nir_block *pred,
> rewrite_state *state)
>
> state->parent_instr = instr;
>
> - nir_foreach_phi_src(phi_instr, src) {
> + nir_foreach_phi_src(src, phi_instr) {
> if (src->pred == pred) {
> rewrite_use(&src->src, state);
> break;
> diff --git a/src/compiler/nir/nir_validate.c b/src/compiler/nir/nir_validate.c
> index 10a7832..e928c41 100644
> --- a/src/compiler/nir/nir_validate.c
> +++ b/src/compiler/nir/nir_validate.c
> @@ -588,7 +588,7 @@ validate_phi_src(nir_phi_instr *instr, nir_block *pred,
> validate_state *state)
> assert(instr->dest.is_ssa);
>
> exec_list_validate(&instr->srcs);
> - nir_foreach_phi_src(instr, src) {
> + nir_foreach_phi_src(src, instr) {
> if (src->pred == pred) {
> assert(src->src.is_ssa);
> assert(src->src.ssa->num_components ==
> diff --git a/src/gallium/drivers/freedreno/ir3/ir3_nir_lower_if_else.c
> b/src/gallium/drivers/freedreno/ir3/ir3_nir_lower_if_else.c
> index 09c93da..8bd70e2 100644
> --- a/src/gallium/drivers/freedreno/ir3/ir3_nir_lower_if_else.c
> +++ b/src/gallium/drivers/freedreno/ir3/ir3_nir_lower_if_else.c
> @@ -273,7 +273,7 @@ lower_if_else_block(nir_block *block, nir_builder *b,
> void *mem_ctx)
> memset(sel->src[0].swizzle, 0, sizeof sel->src[0].swizzle);
>
> assert(exec_list_length(&phi->srcs) == 2);
> - nir_foreach_phi_src(phi, src) {
> + nir_foreach_phi_src(src, phi) {
> assert(src->pred == then_block || src->pred ==
> else_block);
> assert(src->src.is_ssa);
>
>
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