nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-22 06:44:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

coverage: Replace max_decision_depth with num_condition_bitmaps

Browse Source 
This clearly distinguishes individual decision-depth indices from the total
number of condition bitmaps to allocate.
This commit is contained in:
Zalathar 2024-04-30 17:54:06 +10:00
parent 0b3a47900e
commit de972b7321
3 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs
View File

@ -110,7 +110,7 @@ impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> {
// Create pointers named `mcdc.addr.{i}` to stack-allocated condition bitmaps.
let mut cond_bitmaps = vec![];
for i in 0..=function_coverage_info.mcdc_max_decision_depth {
for i in 0..function_coverage_info.mcdc_num_condition_bitmaps {
// MC/DC intrinsics will perform loads/stores that use the ABI default
// alignment for i32, so our variable declaration should match.
let align = self.tcx.data_layout.i32_align.abi;

2
compiler/rustc_middle/src/mir/coverage.rs
View File

@ -277,7 +277,7 @@ pub struct FunctionCoverageInfo {
pub mappings: Vec<Mapping>,
/// The depth of the deepest decision is used to know how many
/// temp condbitmaps should be allocated for the function.
pub mcdc_max_decision_depth: u16,
pub mcdc_num_condition_bitmaps: usize,
}
/// Branch information recorded during THIR-to-MIR lowering, and stored in MIR.

6
compiler/rustc_mir_transform/src/coverage/mod.rs
View File

@ -102,7 +102,7 @@ fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir:
inject_mcdc_statements(mir_body, &basic_coverage_blocks, &coverage_spans);
let mcdc_max_decision_depth = coverage_spans
let mcdc_num_condition_bitmaps = coverage_spans
.mappings
.iter()
.filter_map(|bcb_mapping| match bcb_mapping.kind {
@ -110,7 +110,7 @@ fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir:
_ => None,
})
.max()
.unwrap_or(0);
.map_or(0, |max| usize::from(max) + 1);
mir_body.function_coverage_info = Some(Box::new(FunctionCoverageInfo {
function_source_hash: hir_info.function_source_hash,
@ -118,7 +118,7 @@ fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir:
mcdc_bitmap_bytes: coverage_spans.test_vector_bitmap_bytes(),
expressions: coverage_counters.into_expressions(),
mappings,
mcdc_max_decision_depth,
mcdc_num_condition_bitmaps,
}));
}