clang/test/Profile/def-assignop.cpp

   1 // RUN: %clang_cc1 -x c++ -std=c++11 %s -triple x86_64-unknown-linux-gnu -main-file-name def-assignop.cpp -o - -emit-llvm -fprofile-instrument=clang | FileCheck --check-prefix=PGOGEN %s
   2 // RUN: %clang_cc1 -x c++ -std=c++11 %s -triple x86_64-unknown-linux-gnu -main-file-name def-assignop.cpp -o - -emit-llvm -fprofile-instrument=clang -fcoverage-mapping | FileCheck --check-prefix=COVMAP %s
   3
   4 struct B {
   5   B& operator=(const B &b);
   6   B& operator=(const B &&b);
   7 };
   8
   9 struct A {
  10   A &operator=(const A &) = default;
  11   // PGOGEN: define {{.*}}@_ZN1AaSERKS_(
  12   // PGOGEN: %pgocount = load {{.*}} @__profc__ZN1AaSERKS_
  13   // PGOGEN: {{.*}}add{{.*}}%pgocount, 1
  14   // PGOGEN: store{{.*}}@__profc__ZN1AaSERKS_
  15   A &operator=(A &&) = default;
  16   // PGOGEN: define {{.*}}@_ZN1AaSEOS_
  17   // PGOGEN: %pgocount = load {{.*}} @__profc__ZN1AaSEOS_
  18   // PGOGEN: {{.*}}add{{.*}}%pgocount, 1
  19   // PGOGEN: store{{.*}}@__profc__ZN1AaSEOS_
  20
  21   // Check that coverage mapping includes 3 function records including the
  22   // defaulted copy and move operators: A::operator=
  23   // COVMAP: section "__llvm_covfun", comdat
  24   // COVMAP: section "__llvm_covfun", comdat
  25   // COVMAP: section "__llvm_covfun", comdat
  26   // COVMAP: @__llvm_coverage_mapping = {{.*}} { { i32, i32, i32, i32 }
  27   B b;
  28 };
  29
  30 A a1, a2;
  31 void foo() {
  32   a1 = a2;
  33   a2 = static_cast<A &&>(a1);
  34 }