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coverage: Pass a LocalFileId to CoverageSpan::from_source_region

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This commit is contained in:
Zalathar 2024-11-10 11:53:04 +11:00
parent 3c30fe3423
commit 925dfc8608
2 changed files with 9 additions and 3 deletions
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8
compiler/rustc_codegen_llvm/src/coverageinfo/ffi.rs
View File

@ -1,5 +1,7 @@
use rustc_middle::mir::coverage::{CounterId, CovTerm, ExpressionId, SourceRegion};
use crate::coverageinfo::mapgen::LocalFileId;
/// Must match the layout of `LLVMRustCounterKind`.
#[derive(Copy, Clone, Debug)]
#[repr(C)]
@ -137,7 +139,11 @@ pub(crate) struct CoverageSpan {
}
impl CoverageSpan {
pub(crate) fn from_source_region(file_id: u32, code_region: &SourceRegion) -> Self {
pub(crate) fn from_source_region(
local_file_id: LocalFileId,
code_region: &SourceRegion,
) -> Self {
let file_id = local_file_id.as_u32();
let &SourceRegion { start_line, start_col, end_line, end_col } = code_region;
// Internally, LLVM uses the high bit of `end_col` to distinguish between
// code regions and gap regions, so it can't be used by the column number.

4
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
View File

@ -210,7 +210,7 @@ rustc_index::newtype_index! {
/// An index into a function's list of global file IDs. That underlying list
/// of local-to-global mappings will be embedded in the function's record in
/// the `__llvm_covfun` linker section.
struct LocalFileId {}
pub(crate) struct LocalFileId {}
}
/// Holds a mapping from "local" (per-function) file IDs to "global" (per-CGU)
@ -280,7 +280,7 @@ fn encode_mappings_for_function(
// form suitable for FFI.
for (mapping_kind, region) in counter_regions {
debug!("Adding counter {mapping_kind:?} to map for {region:?}");
let span = ffi::CoverageSpan::from_source_region(local_file_id.as_u32(), region);
let span = ffi::CoverageSpan::from_source_region(local_file_id, region);
match mapping_kind {
MappingKind::Code(term) => {
code_regions.push(ffi::CodeRegion { span, counter: ffi::Counter::from_term(term) });