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coverage: Push down the call to get_expressions_and_counter_regions

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These expressions and counter regions are only needed by the function that
encodes a function's coverage mappings payload.
This commit is contained in:
Zalathar 2023-09-04 11:40:13 +10:00
parent 99da8a83c2
commit 1f56fa9657
1 changed files with 7 additions and 7 deletions
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14
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
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@ -1,6 +1,7 @@
use crate::common::CodegenCx;
use crate::coverageinfo;
use crate::coverageinfo::ffi::{Counter, CounterExpression, CounterMappingRegion};
use crate::coverageinfo::ffi::CounterMappingRegion;
use crate::coverageinfo::map_data::FunctionCoverage;
use crate::llvm;
use rustc_codegen_ssa::traits::ConstMethods;
@ -63,11 +64,9 @@ pub fn finalize(cx: &CodegenCx<'_, '_>) {
let mangled_function_name = tcx.symbol_name(instance).name;
let source_hash = function_coverage.source_hash();
let is_used = function_coverage.is_used();
let (expressions, counter_regions) =
function_coverage.get_expressions_and_counter_regions();
let coverage_mapping_buffer =
encode_mappings_for_function(&mut global_file_table, expressions, counter_regions);
encode_mappings_for_function(&mut global_file_table, &function_coverage);
if coverage_mapping_buffer.is_empty() {
if function_coverage.is_used() {
@ -153,11 +152,12 @@ impl GlobalFileTable {
/// entry. The payload is returned as a vector of bytes.
///
/// Newly-encountered filenames will be added to the global file table.
fn encode_mappings_for_function<'a>(
fn encode_mappings_for_function(
global_file_table: &mut GlobalFileTable,
expressions: Vec<CounterExpression>,
counter_regions: impl Iterator<Item = (Counter, &'a CodeRegion)>,
function_coverage: &FunctionCoverage<'_>,
) -> Vec<u8> {
let (expressions, counter_regions) = function_coverage.get_expressions_and_counter_regions();
let mut counter_regions = counter_regions.collect::<Vec<_>>();
if counter_regions.is_empty() {
return Vec::new();