nir: minor fixes for io_to_scalar

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24613>

diff --git a/src/compiler/nir/nir_lower_io_to_scalar.c b/src/compiler/nir/nir_lower_io_to_scalar.c
index d9d1d758b4e951221c4e45016a48cfcddc1470ba..a777e73e1934bdee0eae4097a90aca2a6a2e18e7 100644 (file)
--- a/src/compiler/nir/nir_lower_io_to_scalar.c
+++ b/src/compiler/nir/nir_lower_io_to_scalar.c
@@ -65,10 +65,9 @@ lower_load_input_to_scalar(nir_builder *b, nir_intrinsic_instr *intr)
       for (unsigned j = 0; j < nir_intrinsic_infos[intr->intrinsic].num_srcs; ++j)
          nir_src_copy(&chan_intr->src[j], &intr->src[j], &chan_intr->instr);
       if (newc + newi > 3) {
-         nir_ssa_def *offset = nir_imm_int(b, (newc + newi) / 4);
          nir_src *src = nir_get_io_offset_src(chan_intr);
+         nir_ssa_def *offset = nir_iadd_imm(b, src->ssa, (newc + newi) / 4);
          nir_src new_src = nir_src_for_ssa(offset);
-         offset = nir_iadd_imm(b, src->ssa, (newc + newi) / 4);
          nir_src_copy(src, &new_src, &chan_intr->instr);
       }
 
@@ -181,9 +180,8 @@ lower_store_output_to_scalar(nir_builder *b, nir_intrinsic_instr *intr)
       for (unsigned j = 1; j < nir_intrinsic_infos[intr->intrinsic].num_srcs; ++j)
          nir_src_copy(&chan_intr->src[j], &intr->src[j], &chan_intr->instr);
       if (newc + newi > 3) {
-         nir_ssa_def *offset = nir_imm_int(b, (newc + newi) / 4);
          nir_src *src = nir_get_io_offset_src(chan_intr);
-         offset = nir_iadd_imm(b, src->ssa, (newc + newi) / 4);
+         nir_ssa_def *offset = nir_iadd_imm(b, src->ssa, (newc + newi) / 4);
          nir_src new_src = nir_src_for_ssa(offset);
          nir_src_copy(src, &new_src, &chan_intr->instr);
       }