coverage: Give the instrumentor its own counter type, separate from MIR

This splits off `BcbCounter` from MIR's `CoverageKind`, allowing the two types
to evolve in different directions as necessary.

1 files changed, 0 insertions, 15 deletions

diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs
index d7d6e3a0086..1efb54bdb08 100644
--- a/compiler/rustc_middle/src/mir/coverage.rs
+++ b/compiler/rustc_middle/src/mir/coverage.rs
@@ -96,21 +96,6 @@ pub enum CoverageKind {
     Unreachable,
 }
 
-impl CoverageKind {
-    pub fn as_operand(&self) -> Operand {
-        use CoverageKind::*;
-        match *self {
-            Counter { id, .. } => Operand::Counter(id),
-            Expression { id, .. } => Operand::Expression(id),
-            Unreachable => bug!("Unreachable coverage cannot be part of an expression"),
-        }
-    }
-
-    pub fn is_expression(&self) -> bool {
-        matches!(self, Self::Expression { .. })
-    }
-}
-
 impl Debug for CoverageKind {
     fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
         use CoverageKind::*;