Rename decode to data_untracked.

Author: cjgillot

compiler/rustc_query_impl/src/on_disk_cache.rs

@@ -840,7 +840,8 @@ impl<'a, 'tcx> Decodable<CacheDecoder<'a, 'tcx>> for Span {
             let dlo = u32::decode(decoder)?;
             let dto = u32::decode(decoder)?;
 
-            let enclosing = decoder.tcx.definitions_untracked().def_span(parent.unwrap()).decode();
+            let enclosing =
+                decoder.tcx.definitions_untracked().def_span(parent.unwrap()).data_untracked();
             let span = Span::new(
                 enclosing.lo + BytePos::from_u32(dlo),
                 enclosing.lo + BytePos::from_u32(dto),
@@ -1022,7 +1023,7 @@ where
     E: 'a + OpaqueEncoder,
 {
     fn encode(&self, s: &mut CacheEncoder<'a, 'tcx, E>) -> Result<(), E::Error> {
-        let span_data = self.decode();
+        let span_data = self.data_untracked();
         span_data.ctxt.encode(s)?;
         span_data.parent.encode(s)?;
 
@@ -1031,7 +1032,7 @@ where
         }
 
         if let Some(parent) = span_data.parent {
-            let enclosing = s.tcx.definitions_untracked().def_span(parent).decode();
+            let enclosing = s.tcx.definitions_untracked().def_span(parent).data_untracked();
             if enclosing.contains(span_data) {
                 TAG_RELATIVE_SPAN.encode(s)?;
                 (span_data.lo - enclosing.lo).to_u32().encode(s)?;

compiler/rustc_span/src/lib.rs

@@ -2032,7 +2032,7 @@ where
             return;
         }
 
-        let span = self.decode();
+        let span = self.data_untracked();
         span.ctxt.hash_stable(ctx, hasher);
         span.parent.hash_stable(ctx, hasher);
 
@@ -2042,7 +2042,7 @@ where
         }
 
         if let Some(parent) = span.parent {
-            let def_span = ctx.def_span(parent).decode();
+            let def_span = ctx.def_span(parent).data_untracked();
             if def_span.contains(span) {
                 // This span is enclosed in a definition: only hash the relative position.
                 Hash::hash(&TAG_RELATIVE_SPAN, hasher);

compiler/rustc_span/src/span_encoding.rs

@@ -101,7 +101,7 @@ impl Span {
 
     #[inline]
     pub fn data(self) -> SpanData {
-        let data = self.decode();
+        let data = self.data_untracked();
         if let Some(parent) = data.parent {
             (*SPAN_TRACK)(parent);
         }
@@ -111,7 +111,7 @@ impl Span {
     /// Internal function to translate between an encoded span and the expanded representation.
     /// This function must not be used outside the incremental engine.
     #[inline]
-    pub fn decode(self) -> SpanData {
+    pub fn data_untracked(self) -> SpanData {
         if self.len_or_tag != LEN_TAG {
             // Inline format.
             debug_assert!(self.len_or_tag as u32 <= MAX_LEN);