v2: add constant_folding
v6: print non final NIR only for verbose debugging
v8: add passes we will need for OpenCL compute shaders
v9: move type_size into anonymous namespace
convert to C++ style comments
lower bools to int32
Signed-off-by: Karol Herbst <[email protected]>
Acked-by: Pierre Moreau <[email protected]>
---
.../nouveau/codegen/nv50_ir_from_nir.cpp | 42 +++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
index b22c62fd434..9d2d16b97f5 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -35,6 +35,12 @@ namespace {
using namespace nv50_ir;
+int
+type_size(const struct glsl_type *type)
+{
+ return glsl_count_attribute_slots(type, false);
+}
+
class Converter : public ConverterCommon
{
public:
@@ -52,6 +58,42 @@ Converter::Converter(Program *prog, nir_shader *nir,
nv50_ir_prog_info *info)
bool
Converter::run()
{
+ bool progress;
+
+ if (prog->dbgFlags & NV50_IR_DEBUG_VERBOSE)
+ nir_print_shader(nir, stderr);
+
+ NIR_PASS_V(nir, nir_lower_io, nir_var_all, type_size,
(nir_lower_io_options)0);
+ NIR_PASS_V(nir, nir_lower_regs_to_ssa);
+ NIR_PASS_V(nir, nir_lower_load_const_to_scalar);
+ NIR_PASS_V(nir, nir_lower_vars_to_ssa);
+ NIR_PASS_V(nir, nir_lower_alu_to_scalar);
+ NIR_PASS_V(nir, nir_lower_phis_to_scalar);
+
+ do {
+ progress = false;
+ NIR_PASS(progress, nir, nir_copy_prop);
+ NIR_PASS(progress, nir, nir_opt_remove_phis);
+ NIR_PASS(progress, nir, nir_opt_trivial_continues);
+ NIR_PASS(progress, nir, nir_opt_cse);
+ NIR_PASS(progress, nir, nir_opt_algebraic);
+ NIR_PASS(progress, nir, nir_opt_constant_folding);
+ NIR_PASS(progress, nir, nir_copy_prop);
+ NIR_PASS(progress, nir, nir_opt_dce);
+ NIR_PASS(progress, nir, nir_opt_dead_cf);
+ } while (progress);
+
+ NIR_PASS_V(nir, nir_lower_bool_to_int32);
+ NIR_PASS_V(nir, nir_lower_locals_to_regs);
+ NIR_PASS_V(nir, nir_remove_dead_variables, nir_var_function_temp);
+ NIR_PASS_V(nir, nir_convert_from_ssa, true);
+
+ // Garbage collect dead instructions
+ nir_sweep(nir);
+
+ if (prog->dbgFlags & NV50_IR_DEBUG_BASIC)
+ nir_print_shader(nir, stderr);
+
return false;
}
--
2.20.1
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