nir/lower_vec_to_movs: Pass the shader around directly

Previously, we were passing the shader around, we were just calling it
"mem_ctx".  However, the nir_shader is (and must be for the purposes of
mark-and-sweep) the mem_ctx so we might as well pass it around explicitly.

Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
(cherry picked from commit b7eeced3c724bf5de05290551ced8621ce2c7c52)

diff --git a/src/glsl/nir/nir_lower_vec_to_movs.c b/src/glsl/nir/nir_lower_vec_to_movs.c
index b7f096d..25a6f7d 100644 (file)
--- a/src/glsl/nir/nir_lower_vec_to_movs.c
+++ b/src/glsl/nir/nir_lower_vec_to_movs.c
@@ -54,12 +54,12 @@ src_matches_dest_reg(nir_dest *dest, nir_src *src)
  */
 static unsigned
 insert_mov(nir_alu_instr *vec, unsigned start_channel,
-            unsigned start_src_idx, void *mem_ctx)
+           unsigned start_src_idx, nir_shader *shader)
 {
    unsigned src_idx = start_src_idx;
    assert(src_idx < nir_op_infos[vec->op].num_inputs);
 
-   nir_alu_instr *mov = nir_alu_instr_create(mem_ctx, nir_op_imov);
+   nir_alu_instr *mov = nir_alu_instr_create(shader, nir_op_imov);
    nir_alu_src_copy(&mov->src[0], &vec->src[src_idx], mov);
    nir_alu_dest_copy(&mov->dest, &vec->dest, mov);
 
@@ -84,7 +84,7 @@ insert_mov(nir_alu_instr *vec, unsigned start_channel,
 }
 
 static bool
-lower_vec_to_movs_block(nir_block *block, void *mem_ctx)
+lower_vec_to_movs_block(nir_block *block, void *shader)
 {
    nir_foreach_instr_safe(block, instr) {
       if (instr->type != nir_instr_type_alu)
@@ -115,7 +115,7 @@ lower_vec_to_movs_block(nir_block *block, void *mem_ctx)
             continue;
 
          if (src_matches_dest_reg(&vec->dest.dest, &vec->src[src_idx].src)) {
-            finished_write_mask |= insert_mov(vec, i, src_idx, mem_ctx);
+            finished_write_mask |= insert_mov(vec, i, src_idx, shader);
             break;
          }
          src_idx++;
@@ -127,7 +127,7 @@ lower_vec_to_movs_block(nir_block *block, void *mem_ctx)
             continue;
 
          if (!(finished_write_mask & (1 << i)))
-            finished_write_mask |= insert_mov(vec, i, src_idx, mem_ctx);
+            finished_write_mask |= insert_mov(vec, i, src_idx, shader);
 
          src_idx++;
       }
@@ -142,7 +142,9 @@ lower_vec_to_movs_block(nir_block *block, void *mem_ctx)
 static void
 nir_lower_vec_to_movs_impl(nir_function_impl *impl)
 {
-   nir_foreach_block(impl, lower_vec_to_movs_block, ralloc_parent(impl));
+   nir_shader *shader = impl->overload->function->shader;
+
+   nir_foreach_block(impl, lower_vec_to_movs_block, shader);
 }
 
 void