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author | Justin Bogner <mail@justinbogner.com> | 2014-04-12 00:54:06 +0000 |
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committer | Justin Bogner <mail@justinbogner.com> | 2014-04-12 00:54:06 +0000 |
commit | b1966291de338ceb577205a0dc73df41ea2bd753 (patch) | |
tree | 77c6318a4e572c9ce5aaef8443ada7b084250bc4 /clang/test/Profile/cxx-templates.cpp | |
parent | 4f7efb7a8fc3590d641d6ee1cd6e88286af79b37 (diff) | |
download | bcm5719-llvm-b1966291de338ceb577205a0dc73df41ea2bd753.tar.gz bcm5719-llvm-b1966291de338ceb577205a0dc73df41ea2bd753.zip |
CodeGen: Test instrumentation based profiling of templates
Make sure that templates are handled correctly by profile
instrumentation.
llvm-svn: 206091
Diffstat (limited to 'clang/test/Profile/cxx-templates.cpp')
-rw-r--r-- | clang/test/Profile/cxx-templates.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/clang/test/Profile/cxx-templates.cpp b/clang/test/Profile/cxx-templates.cpp new file mode 100644 index 00000000000..d59f7b97c6b --- /dev/null +++ b/clang/test/Profile/cxx-templates.cpp @@ -0,0 +1,41 @@ +// 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-instr-generate > %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: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-templates.cpp -std=c++11 -o - -emit-llvm -fprofile-instr-use=%S/Inputs/cxx-templates.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:__llvm_profile_counters__Z4loopILj0EEvv]] = linkonce_odr global [2 x i64] zeroinitializer +// T100GEN: @[[T100C:__llvm_profile_counters__Z4loopILj100EEvv]] = linkonce_odr 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]] = metadata !{metadata !"branch_weights", i32 1, i32 2} +// T100USE-DAG: ![[T1001]] = metadata !{metadata !"branch_weights", i32 101, i32 2} + +int main(int argc, const char *argv[]) { + loop<0>(); + loop<100>(); + return 0; +} |