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use crate::traits::*;
use rustc_middle::mir::coverage::*;
use rustc_middle::mir::Coverage;
use super::FunctionCx;
impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
pub fn codegen_coverage(&self, bx: &mut Bx, coverage: Coverage) {
let Coverage { kind, code_region } = coverage;
match kind {
CoverageKind::Counter { function_source_hash, id } => {
bx.add_counter_region(self.instance, function_source_hash, id, code_region);
let coverageinfo = bx.tcx().coverageinfo(self.instance.def_id());
let fn_name = bx.create_pgo_func_name_var(self.instance);
let hash = bx.const_u64(function_source_hash);
let num_counters = bx.const_u32(coverageinfo.num_counters);
let id = bx.const_u32(u32::from(id));
debug!(
"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);
}
CoverageKind::Expression { id, lhs, op, rhs } => {
bx.add_counter_expression_region(self.instance, id, lhs, op, rhs, code_region);
}
CoverageKind::Unreachable => {
bx.add_unreachable_region(self.instance, code_region);
}
}
}
}
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