| // Tests for instrumentation of templated code. Each instantiation of a template |
| // should be instrumented separately. |
| |
| // 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 |
| // RUN: FileCheck --input-file=%tgen -check-prefix=T0GEN -check-prefix=ALL %s |
| // RUN: FileCheck --input-file=%tgen -check-prefix=T100GEN -check-prefix=ALL %s |
| |
| // RUN: llvm-profdata merge %S/Inputs/cxx-templates.proftext -o %t.profdata |
| // 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 |
| // RUN: FileCheck --input-file=%tuse -check-prefix=T0USE -check-prefix=ALL %s |
| // RUN: FileCheck --input-file=%tuse -check-prefix=T100USE -check-prefix=ALL %s |
| |
| // T0GEN: @[[T0C:__profc__Z4loopILj0EEvv]] = linkonce_odr hidden global [2 x i64] zeroinitializer |
| // T100GEN: @[[T100C:__profc__Z4loopILj100EEvv]] = linkonce_odr hidden global [2 x i64] zeroinitializer |
| |
| // T0GEN-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj0EEvv() |
| // T0USE-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj0EEvv() |
| // T100GEN-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj100EEvv() |
| // T100USE-LABEL: define linkonce_odr {{.*}}void @_Z4loopILj100EEvv() |
| template <unsigned N> void loop() { |
| // ALL-NOT: ret |
| // T0GEN: store {{.*}} @[[T0C]], i64 0, i64 0 |
| // T100GEN: store {{.*}} @[[T100C]], i64 0, i64 0 |
| |
| // ALL-NOT: ret |
| // T0GEN: store {{.*}} @[[T0C]], i64 0, i64 1 |
| // T0USE: br {{.*}} !prof ![[T01:[0-9]+]] |
| // T100GEN: store {{.*}} @[[T100C]], i64 0, i64 1 |
| // T100USE: br {{.*}} !prof ![[T1001:[0-9]+]] |
| for (unsigned I = 0; I < N; ++I) {} |
| |
| // ALL: ret |
| } |
| |
| // T0USE-DAG: ![[T01]] = !{!"branch_weights", i32 1, i32 2} |
| // T100USE-DAG: ![[T1001]] = !{!"branch_weights", i32 101, i32 2} |
| |
| int main(int argc, const char *argv[]) { |
| loop<0>(); |
| loop<100>(); |
| return 0; |
| } |
