bjoernager/rust
bjoernager/rust
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Hans Kratz 2021-07-21 12:41:27 +02:00
parent e89908231b
commit 50be80b22d
2 changed files with 3 additions and 2 deletions
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3
compiler/rustc_codegen_llvm/src/context.rs
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@ -80,8 +80,7 @@ pub struct CodegenCx<'ll, 'tcx> {
pub isize_ty: &'ll Type, pub isize_ty: &'ll Type,
/// Cache for the mapping from source index to llvm index for struct fields, /// Cache for the mapping from source index to llvm index for struct fields,
/// necessary because the mapping depends on padding and thus depens on /// only present if synthetic fields are inserted for padding.
/// TyAndLayout.
pub field_projection_cache: RefCell<FxHashMap<TyAndLayout<'tcx>, Vec<u32>>>, pub field_projection_cache: RefCell<FxHashMap<TyAndLayout<'tcx>, Vec<u32>>>,
pub coverage_cx: Option<coverageinfo::CrateCoverageContext<'ll, 'tcx>>, pub coverage_cx: Option<coverageinfo::CrateCoverageContext<'ll, 'tcx>>,

2
compiler/rustc_codegen_llvm/src/type_of.rs
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@ -363,6 +363,8 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> {
FieldsShape::Array { .. } => index as u64, FieldsShape::Array { .. } => index as u64,
// Look up llvm field index in projection cache if present. If no projection cache
// is present no padding is used and the llvm field index matches the memory index.
FieldsShape::Arbitrary { .. } => match cx.field_projection_cache.borrow().get(self) { FieldsShape::Arbitrary { .. } => match cx.field_projection_cache.borrow().get(self) {
Some(projection) => projection[index] as u64, Some(projection) => projection[index] as u64,
None => self.fields.memory_index(index) as u64, None => self.fields.memory_index(index) as u64,