nak: cleanup derelict allow(dead_code) annotations

As well as one `allow(non_camel_case_types)`.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38807>

src/nouveau/compiler/nak/builder.rs

@@ -948,7 +948,6 @@ impl SSAInstrBuilder<'_> {
         self.b.into_vec()
     }
 
-    #[allow(dead_code)]
     pub fn into_mapped_instrs(self) -> MappedInstrs {
         self.b.into_mapped_instrs()
     }

src/nouveau/compiler/nak/ir.rs

@@ -554,11 +554,7 @@ impl fmt::Display for Dst {
 #[derive(Clone, Eq, Hash, PartialEq)]
 pub enum CBuf {
     Binding(u8),
-
-    #[allow(dead_code)]
     BindlessSSA([SSAValue; 2]),
-
-    #[allow(dead_code)]
     BindlessUGPR(RegRef),
 }
 
@@ -605,7 +601,6 @@ pub enum SrcRef {
 }
 
 impl SrcRef {
-    #[allow(dead_code)]
     pub fn is_alu(&self) -> bool {
         match self {
             SrcRef::Zero | SrcRef::Imm32(_) | SrcRef::CBuf(_) => true,
@@ -641,7 +636,6 @@ impl SrcRef {
         }
     }
 
-    #[allow(dead_code)]
     pub fn is_barrier(&self) -> bool {
         match self {
             SrcRef::SSA(ssa) => ssa.file() == RegFile::Bar,
@@ -897,7 +891,6 @@ impl SrcMod {
 }
 
 #[derive(Clone, Copy, PartialEq)]
-#[allow(dead_code)]
 pub enum SrcSwizzle {
     None,
     Xx,
@@ -1733,7 +1726,6 @@ pub enum IntCmpType {
 }
 
 impl IntCmpType {
-    #[allow(dead_code)]
     pub fn is_signed(&self) -> bool {
         match self {
             IntCmpType::U32 => false,
@@ -1936,7 +1928,6 @@ pub struct TexCBufRef {
     pub offset: u16,
 }
 
-#[allow(dead_code)]
 #[derive(Clone, Copy, Eq, PartialEq)]
 pub enum TexRef {
     Bound(u16),
@@ -2113,7 +2104,6 @@ impl fmt::Display for TexOffsetMode {
     }
 }
 
-#[allow(dead_code)]
 #[derive(Clone, Copy, Eq, PartialEq)]
 pub enum TexQuery {
     Dimension,
@@ -2322,7 +2312,6 @@ impl fmt::Display for MemType {
     }
 }
 
-#[allow(dead_code)]
 #[derive(Clone, Copy, Eq, Hash, PartialEq)]
 pub enum MemOrder {
     Constant,
@@ -3482,7 +3471,6 @@ impl DisplayOp for OpImma {
 impl_display_for_op!(OpImma);
 
 #[derive(Clone, Copy, Eq, PartialEq)]
-#[allow(dead_code)]
 pub enum HmmaSize {
     M16N8K16,
     M16N8K8,
@@ -6473,7 +6461,6 @@ impl DisplayOp for OpLdc {
 impl_display_for_op!(OpLdc);
 
 #[derive(Clone, Copy, Eq, PartialEq)]
-#[allow(dead_code)]
 pub enum LdsmSize {
     M8N8,
     MT8N8,
@@ -9320,18 +9307,15 @@ pub trait ShaderModel {
         self.sm() >= 20 && self.sm() < 30
     }
 
-    #[allow(dead_code)]
     fn is_kepler_a(&self) -> bool {
         self.sm() >= 30 && self.sm() < 32
     }
 
-    #[allow(dead_code)]
     fn is_kepler_b(&self) -> bool {
         // TK1 is SM 3.2 and desktop Kepler B is SM 3.3+
         self.sm() >= 32 && self.sm() < 40
     }
 
-    #[allow(dead_code)]
     fn is_kepler(&self) -> bool {
         self.is_kepler_a() || self.is_kepler_b()
     }
@@ -9349,22 +9333,18 @@ pub trait ShaderModel {
         self.sm() >= 60 && self.sm() < 70
     }
 
-    #[allow(dead_code)]
     fn is_volta(&self) -> bool {
         self.sm() >= 70 && self.sm() < 73
     }
 
-    #[allow(dead_code)]
     fn is_turing(&self) -> bool {
         self.sm() >= 73 && self.sm() < 80
     }
 
-    #[allow(dead_code)]
     fn is_ampere(&self) -> bool {
         self.sm() >= 80 && self.sm() < 89
     }
 
-    #[allow(dead_code)]
     fn is_ada(&self) -> bool {
         self.sm() == 89
     }
@@ -9374,17 +9354,14 @@ pub trait ShaderModel {
         self.sm() >= 90 && self.sm() < 100
     }
 
-    #[allow(dead_code)]
     fn is_blackwell_a(&self) -> bool {
         self.sm() >= 100 && self.sm() < 110
     }
 
-    #[allow(dead_code)]
     fn is_blackwell_b(&self) -> bool {
         self.sm() >= 120 && self.sm() < 130
     }
 
-    #[allow(dead_code)]
     fn is_blackwell(&self) -> bool {
         self.is_blackwell_a() || self.is_blackwell_b()
     }

src/nouveau/compiler/nak/sm32.rs

@@ -129,7 +129,6 @@ impl ShaderModel for ShaderModel32 {
 
 trait SM32Op {
     fn legalize(&mut self, b: &mut LegalizeBuilder);
-    #[allow(dead_code)]
     fn encode(&self, e: &mut SM32Encoder<'_>);
 }
 
@@ -141,7 +140,6 @@ fn true_reg() -> RegRef {
     RegRef::new(RegFile::Pred, 7, 1)
 }
 
-#[allow(dead_code)]
 struct SM32Encoder<'a> {
     sm: &'a ShaderModel32,
     ip: usize,

src/nouveau/compiler/nak/sm75_instr_latencies.rs

@@ -869,8 +869,6 @@ impl RegLatencySM75 {
     }
 }
 
-#[allow(non_camel_case_types)]
-#[allow(dead_code)]
 #[derive(Debug)]
 enum URegLatencySM75 {
     Udp,

src/nouveau/compiler/nak/sm80_instr_latencies.rs

@@ -70,7 +70,6 @@ enum URegLatencySM80 {
     VoteU,
 }
 
-#[allow(dead_code)]
 #[derive(Debug)]
 enum UPredLatencySM80 {
     Coupled,

src/nouveau/compiler/nak/sph.rs

@@ -303,7 +303,6 @@ impl ShaderProgramHeader {
     }
 
     #[inline]
-    #[allow(dead_code)]
     pub fn set_shader_local_memory_crs_size(
         &mut self,
         shader_local_memory_crs_size: u32,
@@ -442,7 +441,6 @@ impl ShaderProgramHeader {
     }
 
     #[inline]
-    #[allow(dead_code)]
     pub fn set_uses_underestimate(&mut self, uses_underestimate: bool) {
         assert!(self.shader_type == ShaderType::Fragment);
         self.set_bit(611, uses_underestimate);