diff options
Diffstat (limited to 'src/compiler/nir')
| -rw-r--r-- | src/compiler/nir/nir_opt_rematerialize_compares.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_rematerialize_compares.c b/src/compiler/nir/nir_opt_rematerialize_compares.c index 806dbd2f29a..8af33ab436e 100644 --- a/src/compiler/nir/nir_opt_rematerialize_compares.c +++ b/src/compiler/nir/nir_opt_rematerialize_compares.c @@ -58,6 +58,18 @@ is_two_src_comparison(const nir_alu_instr *instr) } static bool +all_srcs_are_ssa(const nir_alu_instr *instr) +{ + for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) { + if (!instr->src[i].src.is_ssa) + return false; + } + + return true; +} + + +static bool all_uses_are_bcsel(const nir_alu_instr *instr) { if (!instr->dest.dest.is_ssa) @@ -96,6 +108,9 @@ nir_opt_rematerialize_compares_impl(nir_shader *shader, nir_function_impl *impl) if (!is_two_src_comparison(alu)) continue; + if (!all_srcs_are_ssa(alu)) + continue; + if (!all_uses_are_bcsel(alu)) continue; |