1 files changed, 0 insertions, 89 deletions
diff --git a/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs b/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs
deleted file mode 100644
index 1791ce4b3..000000000
--- a/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs
+++ /dev/null
@@ -1,89 +0,0 @@
-use rustc_middle::mir::coverage::{CounterValueReference, MappedExpressionIndex};
-
-/// Must match the layout of `LLVMRustCounterKind`.
-#[derive(Copy, Clone, Debug)]
-#[repr(C)]
-pub enum CounterKind {
-    Zero = 0,
-    CounterValueReference = 1,
-    Expression = 2,
-}
-
-/// A reference to an instance of an abstract "counter" that will yield a value in a coverage
-/// report. Note that `id` has different interpretations, depending on the `kind`:
-///   * For `CounterKind::Zero`, `id` is assumed to be `0`
-///   * For `CounterKind::CounterValueReference`,  `id` matches the `counter_id` of the injected
-///     instrumentation counter (the `index` argument to the LLVM intrinsic
-///     `instrprof.increment()`)
-///   * For `CounterKind::Expression`, `id` is the index into the coverage map's array of
-///     counter expressions.
-///
-/// Corresponds to struct `llvm::coverage::Counter`.
-///
-/// Must match the layout of `LLVMRustCounter`.
-#[derive(Copy, Clone, Debug)]
-#[repr(C)]
-pub struct Counter {
-    // Important: The layout (order and types of fields) must match its C++ counterpart.
-    pub kind: CounterKind,
-    id: u32,
-}
-
-impl Counter {
-    /// Constructs a new `Counter` of kind `Zero`. For this `CounterKind`, the
-    /// `id` is not used.
-    pub fn zero() -> Self {
-        Self { kind: CounterKind::Zero, id: 0 }
-    }
-
-    /// Constructs a new `Counter` of kind `CounterValueReference`, and converts
-    /// the given 1-based counter_id to the required 0-based equivalent for
-    /// the `Counter` encoding.
-    pub fn counter_value_reference(counter_id: CounterValueReference) -> Self {
-        Self { kind: CounterKind::CounterValueReference, id: counter_id.zero_based_index() }
-    }
-
-    /// Constructs a new `Counter` of kind `Expression`.
-    pub fn expression(mapped_expression_index: MappedExpressionIndex) -> Self {
-        Self { kind: CounterKind::Expression, id: mapped_expression_index.into() }
-    }
-
-    /// Returns true if the `Counter` kind is `Zero`.
-    pub fn is_zero(&self) -> bool {
-        matches!(self.kind, CounterKind::Zero)
-    }
-
-    /// An explicitly-named function to get the ID value, making it more obvious
-    /// that the stored value is now 0-based.
-    pub fn zero_based_id(&self) -> u32 {
-        debug_assert!(!self.is_zero(), "`id` is undefined for CounterKind::Zero");
-        self.id
-    }
-}
-
-/// Corresponds to enum `llvm::coverage::CounterExpression::ExprKind`.
-///
-/// Must match the layout of `LLVMRustCounterExprKind`.
-#[derive(Copy, Clone, Debug)]
-#[repr(C)]
-pub enum ExprKind {
-    Subtract = 0,
-    Add = 1,
-}
-
-/// Corresponds to struct `llvm::coverage::CounterExpression`.
-///
-/// Must match the layout of `LLVMRustCounterExpression`.
-#[derive(Copy, Clone, Debug)]
-#[repr(C)]
-pub struct CounterExpression {
-    pub kind: ExprKind,
-    pub lhs: Counter,
-    pub rhs: Counter,
-}
-
-impl CounterExpression {
-    pub fn new(lhs: Counter, kind: ExprKind, rhs: Counter) -> Self {
-        Self { kind, lhs, rhs }
-    }
-}