[Mesa-dev] [PATCH 2/9] nir/algebraic: Add a seperate section for "late" optimizations

[Jason Ekstrand]

---
 src/glsl/nir/nir.h                | 1 +
 src/glsl/nir/nir_opt_algebraic.py | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 29fe942..d5ecfa8 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1612,6 +1612,7 @@ void nir_convert_to_ssa(nir_shader *shader);
 void nir_convert_from_ssa(nir_shader *shader);
 
 bool nir_opt_algebraic(nir_shader *shader);
+bool nir_opt_algebraic_late(nir_shader *shader);
 bool nir_opt_constant_folding(nir_shader *shader);
 
 bool nir_opt_global_to_local(nir_shader *shader);
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py
index ef855aa..84d4c72 100644
--- a/src/glsl/nir/nir_opt_algebraic.py
+++ b/src/glsl/nir/nir_opt_algebraic.py
@@ -189,4 +189,13 @@ for op in ['flt', 'fge', 'feq', 'fne',
        ('bcsel', 'a', (op, 'd', 'b'), (op, 'd', 'c'))),
    ]
 
+# This section contains "late" optimizations that should be run after the
+# regular optimizations have finished.  Optimizations should go here if
+# they help code generation but do not necessarily produce code that is
+# more easily optimizable.
+late_optimizations = [
+]
+
 print nir_algebraic.AlgebraicPass("nir_opt_algebraic", optimizations).render()
+print nir_algebraic.AlgebraicPass("nir_opt_algebraic_late",
+                                  late_optimizations).render()
-- 
2.3.3