nir: Properly invalidate metadata in nir_opt_copy_prop().

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Eduardo Lima Mitev <[email protected]>
Cc: [email protected]

1 files changed, 6 insertions, 0 deletions

diff --git a/src/glsl/nir/nir_opt_copy_propagate.c b/src/glsl/nir/nir_opt_copy_propagate.c
index 96520f8a361..7d8bdd7f2ca 100644
--- a/src/glsl/nir/nir_opt_copy_propagate.c
+++ b/src/glsl/nir/nir_opt_copy_propagate.c
@@ -262,6 +262,12 @@ nir_copy_prop_impl(nir_function_impl *impl)
    bool progress = false;
 
    nir_foreach_block(impl, copy_prop_block, &progress);
+
+   if (progress) {
+      nir_metadata_preserve(impl, nir_metadata_block_index |
+                                  nir_metadata_dominance);
+   }
+
    return progress;
 }