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      1 // Tests for instrumentation of C++ methods, constructors, and destructors.
      2 
      3 // RUN: %clang_cc1 %s -o - -emit-llvm -fprofile-instrument=clang -triple %itanium_abi_triple > %tgen
      4 // RUN: FileCheck --input-file=%tgen -check-prefix=CTRGEN %s
      5 // RUN: FileCheck --input-file=%tgen -check-prefix=DTRGEN %s
      6 // RUN: FileCheck --input-file=%tgen -check-prefix=MTHGEN %s
      7 // RUN: FileCheck --input-file=%tgen -check-prefix=WRPGEN %s
      8 
      9 // RUN: llvm-profdata merge %S/Inputs/cxx-class.proftext -o %t.profdata
     10 // RUN: %clang_cc1 %s -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata -triple %itanium_abi_triple > %tuse
     11 // RUN: FileCheck --input-file=%tuse -check-prefix=CTRUSE %s
     12 // RUN: FileCheck --input-file=%tuse -check-prefix=DTRUSE %s
     13 // RUN: FileCheck --input-file=%tuse -check-prefix=MTHUSE %s
     14 // RUN: FileCheck --input-file=%tuse -check-prefix=WRPUSE %s
     15 
     16 class Simple {
     17   int Member;
     18 public:
     19   // CTRGEN-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
     20   // CTRUSE-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
     21   // CTRGEN: store {{.*}} @[[SCC:__profc__ZN6SimpleC2Ei]], i64 0, i64 0
     22   explicit Simple(int Member) : Member(Member) {
     23     // CTRGEN: store {{.*}} @[[SCC]], i64 0, i64 1
     24     // CTRUSE: br {{.*}} !prof ![[SC1:[0-9]+]]
     25     if (Member) {}
     26     // CTRGEN-NOT: store {{.*}} @[[SCC]],
     27     // CTRUSE-NOT: br {{.*}} !prof ![0-9]+
     28     // CTRUSE: ret
     29   }
     30   // CTRUSE: ![[SC1]] = !{!"branch_weights", i32 100, i32 2}
     31 
     32   // DTRGEN-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
     33   // DTRUSE-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
     34   // DTRGEN: store {{.*}} @[[SDC:__profc__ZN6SimpleD2Ev]], i64 0, i64 0
     35   ~Simple() {
     36     // DTRGEN: store {{.*}} @[[SDC]], i64 0, i64 1
     37     // DTRUSE: br {{.*}} !prof ![[SD1:[0-9]+]]
     38     if (Member) {}
     39     // DTRGEN-NOT: store {{.*}} @[[SDC]],
     40     // DTRUSE-NOT: br {{.*}} !prof ![0-9]+
     41     // DTRUSE: ret
     42   }
     43   // DTRUSE: ![[SD1]] = !{!"branch_weights", i32 100, i32 2}
     44 
     45   // MTHGEN-LABEL: define {{.*}} @_ZN6Simple6methodEv(
     46   // MTHUSE-LABEL: define {{.*}} @_ZN6Simple6methodEv(
     47   // MTHGEN: store {{.*}} @[[SMC:__profc__ZN6Simple6methodEv]], i64 0, i64 0
     48   void method() {
     49     // MTHGEN: store {{.*}} @[[SMC]], i64 0, i64 1
     50     // MTHUSE: br {{.*}} !prof ![[SM1:[0-9]+]]
     51     if (Member) {}
     52     // MTHGEN-NOT: store {{.*}} @[[SMC]],
     53     // MTHUSE-NOT: br {{.*}} !prof ![0-9]+
     54     // MTHUSE: ret
     55   }
     56   // MTHUSE: ![[SM1]] = !{!"branch_weights", i32 100, i32 2}
     57 };
     58 
     59 // WRPGEN-LABEL: define {{.*}} @_Z14simple_wrapperv(
     60 // WRPUSE-LABEL: define {{.*}} @_Z14simple_wrapperv(
     61 // WRPGEN: store {{.*}} @[[SWC:__profc__Z14simple_wrapperv]], i64 0, i64 0
     62 void simple_wrapper() {
     63   // WRPGEN: store {{.*}} @[[SWC]], i64 0, i64 1
     64   // WRPUSE: br {{.*}} !prof ![[SW1:[0-9]+]]
     65   for (int I = 0; I < 100; ++I) {
     66     Simple S(I);
     67     S.method();
     68   }
     69   // WRPGEN-NOT: store {{.*}} @[[SWC]],
     70   // WRPUSE-NOT: br {{.*}} !prof ![0-9]+
     71   // WRPUSE: ret
     72 }
     73 // WRPUSE: ![[SW1]] = !{!"branch_weights", i32 101, i32 2}
     74 
     75 int main(int argc, const char *argv[]) {
     76   simple_wrapper();
     77   return 0;
     78 }
     79