diff options
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_opt_if.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/compiler/nir/nir_opt_if.c b/src/compiler/nir/nir_opt_if.c index 5780ae3794b..0c94aa170b5 100644 --- a/src/compiler/nir/nir_opt_if.c +++ b/src/compiler/nir/nir_opt_if.c @@ -181,6 +181,13 @@ opt_peel_loop_initial_if(nir_loop *loop) } } + /* We're about to re-arrange a bunch of blocks so make sure that we don't + * have deref uses which cross block boundaries. We don't want a deref + * accidentally ending up in a phi. + */ + nir_rematerialize_derefs_in_use_blocks_impl( + nir_cf_node_get_function(&loop->cf_node)); + /* Before we do anything, convert the loop to LCSSA. We're about to * replace a bunch of SSA defs with registers and this will prevent any of * it from leaking outside the loop. @@ -659,12 +666,6 @@ nir_opt_if(nir_shader *shader) */ nir_lower_regs_to_ssa_impl(function->impl); - /* Calling nir_convert_loop_to_lcssa() in opt_peel_loop_initial_if() - * adds extra phi nodes which may not be valid if they're used for - * something such as a deref. Remove any unneeded phis. - */ - nir_opt_remove_phis_impl(function->impl); - progress = true; } } |