clang/test/Profile/def-ctors.cpp

   1 // RUN: %clang_cc1 -x c++ -std=c++11 %s -triple x86_64-unknown-linux-gnu  -main-file-name def-ctors.cpp -o - -emit-llvm -fprofile-instrument=clang |  FileCheck --check-prefix=PGOGEN %s
   2
   3 // RUN: %clang_cc1 -x c++ -std=c++11 %s -triple x86_64-unknown-linux-gnu -main-file-name def-ctors.cpp -o - -emit-llvm -fprofile-instrument=clang -fcoverage-mapping | FileCheck --check-prefix=COVMAP %s
   4
   5 struct Base {
   6   int B;
   7   Base() : B(2) {}
   8   Base(const struct Base &b2) {}
   9 };
  10
  11 struct Derived : public Base {
  12   Derived(const Derived &) = default;
  13   // PGOGEN-DAG: define {{.*}}@_ZN7DerivedC2ERKS_
  14   // PGOGEN-DAG: %pgocount = load {{.*}} @__profc__ZN7DerivedC2ERKS_
  15   // PGOGEN-DAG: {{.*}}add{{.*}}%pgocount, 1
  16   // PGOGEN-DAG: store{{.*}}@__profc__ZN7DerivedC2ERKS_
  17   Derived() = default;
  18   // PGOGEN-DAG: define {{.*}}@_ZN7DerivedC2Ev
  19   // PGOGEN-DAG: %pgocount = load {{.*}} @__profc__ZN7DerivedC2Ev
  20   // PGOGEN-DAG: {{.*}}add{{.*}}%pgocount, 1
  21   // PGOGEN-DAG: store{{.*}}@__profc__ZN7DerivedC2Ev
  22
  23   // Check that coverage mapping has 5 function records including
  24   // the defaulted Derived::Derived(const Derived), and Derived::Derived()
  25   // methds.
  26   // COVMAP: section "__llvm_covfun", comdat
  27   // COVMAP: section "__llvm_covfun", comdat
  28   // COVMAP: section "__llvm_covfun", comdat
  29   // COVMAP: section "__llvm_covfun", comdat
  30   // COVMAP: section "__llvm_covfun", comdat
  31   // COVMAP: @__llvm_coverage_mapping = {{.*}} { { i32, i32, i32, i32 }
  32 };
  33
  34 Derived dd;
  35 int g;
  36 int main() {
  37   Derived dd2(dd);
  38   g = dd2.B;
  39   return 0;
  40 }