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|dso_local)}} global [2 x i64] zeroinitializer |
14 | // T100GEN: @[[T100C:__profc__Z4loopILj100EEvv]] = linkonce_odr {{(hidden|dso_local)}} 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 | |