bjoernager/rust
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Rust coverage before splitting instrument_coverage.rs

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This commit is contained in:
Rich Kadel 2020-10-05 16:36:10 -07:00
parent 9d78d1d027
commit c7747cc772
214 changed files with 9845 additions and 1267 deletions
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19
compiler/rustc_codegen_ssa/src/mir/coverageinfo.rs
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@ -10,7 +10,15 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
let Coverage { kind, code_region } = coverage;
match kind {
CoverageKind::Counter { function_source_hash, id } => {
if bx.add_counter_region(self.instance, function_source_hash, id, code_region) {
let covmap_updated = if let Some(code_region) = code_region {
// Note: Some counters do not have code regions, but may still be referenced from
// expressions.
bx.add_coverage_counter(self.instance, function_source_hash, id, code_region)
} else {
bx.set_function_source_hash(self.instance, function_source_hash)
};
if covmap_updated {
let coverageinfo = bx.tcx().coverageinfo(self.instance.def_id());
let fn_name = bx.create_pgo_func_name_var(self.instance);
@ -21,14 +29,17 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
"codegen intrinsic instrprof.increment(fn_name={:?}, hash={:?}, num_counters={:?}, index={:?})",
fn_name, hash, num_counters, id,
);
bx.instrprof_increment(fn_name, hash, num_counters, id);
bx.instrprof_increment(fn_name, hash, num_counters, index);
}
}
CoverageKind::Expression { id, lhs, op, rhs } => {
bx.add_counter_expression_region(self.instance, id, lhs, op, rhs, code_region);
bx.add_coverage_counter_expression(self.instance, id, lhs, op, rhs, code_region);
}
CoverageKind::Unreachable => {
bx.add_unreachable_region(self.instance, code_region);
bx.add_coverage_unreachable(
self.instance,
code_region.expect("unreachable regions always have code regions"),
);
}
}
}