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rustc_metadata: Load the profiler runtime if we're generating PGO profile data.

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This contains all the actual profiling code.

Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez 2018-02-19 01:55:50 +01:00
parent 804f959507
commit 50a38725e1
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1 changed files with 3 additions and 1 deletions
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4
src/librustc_metadata/creader.rs
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@ -784,7 +784,9 @@ impl<'a> CrateLoader<'a> {
}
fn inject_profiler_runtime(&mut self) {
if self.sess.opts.debugging_opts.profile {
if self.sess.opts.debugging_opts.profile ||
self.sess.opts.cg.pgo_gen.is_some()
{
info!("loading profiler");
let symbol = Symbol::intern("profiler_builtins");