[Mesa-dev] [PATCH v7 24/35] nvir/nir: implement nir_ssa_undef_instr
Karol Herbst
kherbst at redhat.com
Mon Apr 16 13:26:04 UTC 2018
v2: use mkOp
Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp | 13 +++++++++++++
1 file changed, 13 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 4606ffb792e..badb2398abb 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -143,6 +143,7 @@ private:
bool visit(nir_jump_instr *);
bool visit(nir_load_const_instr*);
bool visit(nir_loop *);
+ bool visit(nir_ssa_undef_instr *);
nir_shader *nir;
@@ -1463,6 +1464,8 @@ Converter::visit(nir_instr *insn)
return visit(nir_instr_as_jump(insn));
case nir_instr_type_load_const:
return visit(nir_instr_as_load_const(insn));
+ case nir_instr_type_ssa_undef:
+ return visit(nir_instr_as_ssa_undef(insn));
default:
ERROR("unknown nir_instr type %u\n", insn->type);
return false;
@@ -2160,6 +2163,16 @@ Converter::visit(nir_alu_instr *insn)
}
#undef DEFAULT_CHECKS
+bool
+Converter::visit(nir_ssa_undef_instr *insn)
+{
+ LValues &newDefs = convert(&insn->def);
+ for (auto i = 0u; i < insn->def.num_components; ++i) {
+ mkOp(OP_NOP, TYPE_NONE, newDefs[i]);
+ }
+ return true;
+}
+
bool
Converter::run()
{
--
2.14.3
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