Remove unused code in machinst

cranelift/codegen/src/machinst/vcode.rs

@@ -41,8 +41,6 @@ use std::string::String;
 pub type InsnIndex = u32;
 /// Index referring to a basic block in VCode.
 pub type BlockIndex = u32;
-/// Range of an instructions in VCode.
-pub type InsnRange = core::ops::Range<InsnIndex>;
 
 /// VCodeInst wraps all requirements for a MachInst to be in VCode: it must be
 /// a `MachInst` and it must be able to emit itself at least to a `SizeCodeSink`.
@@ -207,11 +205,6 @@ impl<I: VCodeInst> VCodeBuilder<I> {
         }
     }
 
-    /// Are there any reference-typed values at all among the vregs?
-    pub fn have_ref_values(&self) -> bool {
-        self.vcode.have_ref_values()
-    }
-
     /// Set the current block as the entry block.
     pub fn set_entry(&mut self, block: BlockIndex) {
         self.vcode.entry = block;
@@ -264,11 +257,6 @@ impl<I: VCodeInst> VCodeBuilder<I> {
         }
     }
 
-    /// Get the current source location.
-    pub fn get_srcloc(&self) -> SourceLoc {
-        self.cur_srcloc
-    }
-
     /// Set the current source location.
     pub fn set_srcloc(&mut self, srcloc: SourceLoc) {
         self.cur_srcloc = srcloc;
@@ -344,16 +332,6 @@ impl<I: VCodeInst> VCode<I> {
         self.vreg_types[vreg.get_index()]
     }
 
-    /// Are there any reference-typed values at all among the vregs?
-    pub fn have_ref_values(&self) -> bool {
-        self.have_ref_values
-    }
-
-    /// Get the entry block.
-    pub fn entry(&self) -> BlockIndex {
-        self.entry
-    }
-
     /// Get the number of blocks. Block indices will be in the range `0 ..
     /// (self.num_blocks() - 1)`.
     pub fn num_blocks(&self) -> usize {
@@ -365,11 +343,6 @@ impl<I: VCodeInst> VCode<I> {
         self.abi.frame_size()
     }
 
-    /// Inbound stack-args size.
-    pub fn stack_args_size(&self) -> u32 {
-        self.abi.stack_args_size()
-    }
-
     /// Get the successors for a block.
     pub fn succs(&self, block: BlockIndex) -> &[BlockIx] {
         let (start, end) = self.block_succ_range[block as usize];
@@ -886,11 +859,6 @@ impl VCodeConstants {
         }
     }
 
-    /// Retrieve a byte slice for the given [VCodeConstant], if available.
-    pub fn get(&self, constant: VCodeConstant) -> Option<&[u8]> {
-        self.constants.get(constant).map(|d| d.as_slice())
-    }
-
     /// Return the number of constants inserted.
     pub fn len(&self) -> usize {
         self.constants.len()