1 // Tests for instrumentation of templated code. Each instantiation of a template 2 // should be instrumented separately. 3 4 // RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-templates.cpp -std=c++11 -o - -emit-llvm -fprofile-instrument=clang > %tgen 5 // RUN: FileCheck --input-file=%tgen -check-prefix=T0GEN -check-prefix=ALL %s 6 // RUN: FileCheck --input-file=%tgen -check-prefix=T100GEN -check-prefix=ALL %s 7 8 // RUN: llvm-profdata merge %S/Inputs/cxx-templates.proftext -o %t.profdata 9 // RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-templates.cpp -std=c++11 -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata > %tuse 10 // RUN: FileCheck --input-file=%tuse -check-prefix=T0USE -check-prefix=ALL %s 11 // RUN: FileCheck --input-file=%tuse -check-prefix=T100USE -check-prefix=ALL %s 12 13 // T0GEN: @[[T0C:__profc__Z4loopILj0EEvv]] = linkonce_odr hidden global [2 x i64] zeroinitializer 14 // T100GEN: @[[T100C:__profc__Z4loopILj100EEvv]] = linkonce_odr hidden global [2 x i64] zeroinitializer 15 16 // T0GEN-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj0EEvv() 17 // T0USE-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj0EEvv() 18 // T100GEN-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj100EEvv() 19 // T100USE-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj100EEvv() 20 template <unsigned N> void loop() { 21 // ALL-NOT: ret 22 // T0GEN: store {{.*}} @[[T0C]], i64 0, i64 0 23 // T100GEN: store {{.*}} @[[T100C]], i64 0, i64 0 24 25 // ALL-NOT: ret 26 // T0GEN: store {{.*}} @[[T0C]], i64 0, i64 1 27 // T0USE: br {{.*}} !prof ![[T01:[0-9]+]] 28 // T100GEN: store {{.*}} @[[T100C]], i64 0, i64 1 29 // T100USE: br {{.*}} !prof ![[T1001:[0-9]+]] 30 for (unsigned I = 0; I < N; ++I) {} 31 32 // ALL: ret 33 } 34 35 // T0USE-DAG: ![[T01]] = !{!"branch_weights", i32 1, i32 2} 36 // T100USE-DAG: ![[T1001]] = !{!"branch_weights", i32 101, i32 2} 37 38 int main(int argc, const char *argv[]) { 39 loop<0>(); 40 loop<100>(); 41 return 0; 42 } 43