r600: clean up not used fields detected by clang

../src/gallium/drivers/r600/sfn/sfn_shader_gs.h:54:9: warning: private field 'm_first_vertex_emitted' is not used [-Wunused-private-field]
   54 |    bool m_first_vertex_emitted{false};
      |         ^
...

Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34153>

src/gallium/drivers/r600/sfn/sfn_instr.cpp

@@ -23,7 +23,6 @@ using std::string;
 using std::vector;
 
 Instr::Instr():
-    m_use_count(0),
     m_block_id(std::numeric_limits<int>::max()),
     m_index(std::numeric_limits<int>::max())
 {

src/gallium/drivers/r600/sfn/sfn_instr.h

@@ -142,7 +142,6 @@ private:
    InstrList m_required_instr;
    InstrList m_dependend_instr;
 
-   int m_use_count;
    int m_block_id;
    int m_index;
    std::bitset<nflags> m_instr_flags{0};

src/gallium/drivers/r600/sfn/sfn_scheduler.cpp

@@ -210,7 +210,6 @@ private:
    int m_lds_addr_count{0};
    int m_alu_groups_scheduled{0};
    r600_chip_class m_chip_class;
-   radeon_family m_chip_family;
    bool m_idx0_loading{false};
    bool m_idx1_loading{false};
    bool m_idx0_pending{false};
@@ -265,8 +264,7 @@ BlockScheduler::BlockScheduler(r600_chip_class chip_class,
     m_last_pixel(nullptr),
     m_last_param(nullptr),
     m_current_block(nullptr),
-    m_chip_class(chip_class),
-    m_chip_family(chip_family)
+    m_chip_class(chip_class)
 {
    m_nop_after_rel_dest = chip_family == CHIP_RV770;
 

src/gallium/drivers/r600/sfn/sfn_shader_gs.h

@@ -51,13 +51,9 @@ private:
    unsigned m_ring_item_sizes[4]{0};
 
    bool m_tri_strip_adj_fix{false};
-   bool m_first_vertex_emitted{false};
-   int m_offset{0};
    int m_next_input_ring_offset{0};
    int m_cc_dist_mask{0};
    int m_clip_dist_write{0};
-   int m_cur_ring_output{0};
-   bool m_gs_tri_strip_adj_fix{false};
    uint64_t m_input_mask{0};
    unsigned m_noutputs{0};
    bool m_out_viewport{false};

src/gallium/drivers/r600/sfn/sfn_shader_tess.cpp

@@ -138,8 +138,7 @@ TESShader::TESShader(const pipe_stream_output_info *so_info,
                      const r600_shader *gs_shader,
                      const r600_shader_key& key):
     VertexStageShader("TES", key.tes.first_atomic_counter),
-    m_vs_as_gs_a(key.vs.as_gs_a),
-    m_tes_as_es(key.tes.as_es)
+    m_vs_as_gs_a(key.vs.as_gs_a)
 {
    if (key.tes.as_es)
       m_export_processor = new VertexExportForGS(this, gs_shader);

src/gallium/drivers/r600/sfn/sfn_shader_tess.h

@@ -78,9 +78,7 @@ private:
 
    VertexExportStage *m_export_processor{nullptr};
 
-   int m_tcs_vertices_out{0};
    bool m_vs_as_gs_a{false};
-   bool m_tes_as_es{false};
 };
 
 } // namespace r600

src/gallium/drivers/r600/sfn/sfn_shader_vs.h

@@ -83,7 +83,6 @@ private:
    ExportInstr *m_last_pos_export{nullptr};
 
    int m_num_clip_dist{0};
-   int m_next_param{0};
    uint8_t m_cc_dist_mask{0};
    uint8_t m_clip_dist_write{0};
    int m_cur_clip_pos{1};

src/gallium/drivers/r600/sfn/sfn_split_address_loads.cpp

@@ -61,7 +61,6 @@ private:
    std::list<Instr *> m_last_ar_use;
    AluInstr *m_last_ar_load{nullptr};
 
-   unsigned m_linear_index{0};
    unsigned m_last_idx_load_index[2] {0,0};
    AluInstr *m_last_idx_load[2] {nullptr, nullptr};
    std::list<Instr *> m_last_idx_use[2];

src/gallium/drivers/r600/sfn/sfn_valuefactory.h

@@ -282,7 +282,6 @@ private:
    PVirtualValue ssa_src(const nir_def& dest, int chan);
 
    int m_next_register_index;
-   int m_next_temp_channel{0};
 
    template <typename Key, typename T>
    using unordered_map_alloc = std::unordered_map<Key,

src/gallium/drivers/r600/sfn/sfn_virtualvalues.cpp

@@ -510,13 +510,11 @@ operator==(const RegisterVec4& lhs, const RegisterVec4& rhs)
 }
 
 RegisterVec4::Element::Element(const RegisterVec4& parent, int chan):
-    m_parent(parent),
     m_value(new Register(parent.m_sel, chan, pin_none))
 {
 }
 
 RegisterVec4::Element::Element(const RegisterVec4& parent, PRegister value):
-    m_parent(parent),
     m_value(value)
 {
 }

src/gallium/drivers/r600/sfn/sfn_virtualvalues.h

@@ -287,7 +287,6 @@ public:
       void set_value(PRegister reg) { m_value = reg; }
 
    private:
-      const RegisterVec4& m_parent;
       PRegister m_value;
    };