tests/codegen/pgo-instrumentation.rs

   1 // Test that `-Cprofile-generate` creates expected instrumentation artifacts in LLVM IR.
   2
   3 // needs-profiler-support
   4 // compile-flags: -Cprofile-generate -Ccodegen-units=1
   5
   6 // CHECK: @__llvm_profile_raw_version =
   7 // CHECK-DAG: @__profc_{{.*}}pgo_instrumentation{{.*}}some_function{{.*}} = {{.*}}global
   8 // CHECK-DAG: @__profd_{{.*}}pgo_instrumentation{{.*}}some_function{{.*}} = {{.*}}global
   9 // CHECK-DAG: @__profc_{{.*}}pgo_instrumentation{{.*}}some_other_function{{.*}} = {{.*}}global
  10 // CHECK-DAG: @__profd_{{.*}}pgo_instrumentation{{.*}}some_other_function{{.*}} = {{.*}}global
  11 // CHECK: @__llvm_profile_filename = {{.*}}"default_%m.profraw\00"{{.*}}
  12
  13 #![crate_type="lib"]
  14
  15 #[inline(never)]
  16 fn some_function() {
  17
  18 }
  19
  20 pub fn some_other_function() {
  21     some_function();
  22 }