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[cxx-interop] Add support for benchmarks with C++ interop.

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* Adds support for benchmarks that use C++ modules.
* Adds "CreateObjects" benchmark that creates C++ objects.
This commit is contained in:
zoecarver
2020-07-01 16:17:28 -07:00
parent 2d09bc3fb0
commit 01b12cfe6e
7 changed files with 74 additions and 1 deletions
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10
benchmark/cmake/modules/AddSwiftBenchmarkSuite.cmake
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@@ -478,6 +478,12 @@ function (swift_benchmark_compile_archopts)
list(APPEND SWIFT_BENCH_OBJFILES "${objfile}")
list(APPEND bench_library_swiftmodules "${swiftmodule}")
# Only set "enable-cxx-interop" for tests in the "cxx-source" directory.
set(cxx_options "")
if ("${module_name_path}" MATCHES ".*cxx-source/.*")
list(APPEND cxx_options "-Xfrontend" "-enable-cxx-interop" "-I" "${srcdir}/utils/CxxTests/")
endif()
if ("${bench_flags}" MATCHES "-whole-module.*")
set(output_option "-o" "${objfile}")
else()
@@ -501,6 +507,7 @@ function (swift_benchmark_compile_archopts)
"-module-name" "${module_name}"
"-emit-module-path" "${swiftmodule}"
"-I" "${objdir}"
${cxx_options}
${output_option}
"${source}")
if (SWIFT_BENCHMARK_EMIT_SIB)
@@ -518,6 +525,7 @@ function (swift_benchmark_compile_archopts)
${SWIFT_BENCHMARK_EXTRA_FLAGS}
"-module-name" "${module_name}"
"-I" "${objdir}"
${cxx_options}
"-emit-sib"
"-o" "${sibfile}"
"${source}")
@@ -582,6 +590,8 @@ function (swift_benchmark_compile_archopts)
"-whole-module-optimization"
"-emit-module" "-module-name" "${module_name}"
"-I" "${objdir}"
"-Xfrontend" "-enable-cxx-interop"
"-I" "${srcdir}/utils/CxxTests/"
"-o" "${objdir}/${module_name}.o"
"${source}")
list(APPEND SWIFT_BENCH_OBJFILES "${objdir}/${module_name}.o")