[runtimes] Use add_lit_testsuite to register lit testsuites

The runtimes build uses variables set by add_lit_testsuite to collect
testsuites from all the runtimes.

Differential Revision: https://reviews.llvm.org/D97913

compiler-rt/test/CMakeLists.txt

@@ -87,7 +87,7 @@ if(COMPILER_RT_STANDALONE_BUILD)
   # introduce a rule to run to run all of them.
   get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
   get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
-  add_lit_target(check-compiler-rt
+  add_lit_testsuite(check-compiler-rt
     "Running all regression tests"
     ${LLVM_LIT_TESTSUITES}
     DEPENDS ${LLVM_LIT_DEPENDS})

libcxx/test/CMakeLists.txt

@@ -103,7 +103,7 @@ if (LIBCXX_INCLUDE_TESTS)
     DEPENDS cxx ${LIBCXX_TEST_DEPS}
     COMMENT "Builds dependencies required to run the test suite.")
 
-  add_lit_target(check-cxx
+  add_lit_testsuite(check-cxx
     "Running libcxx tests"
     ${CMAKE_CURRENT_BINARY_DIR}
     DEPENDS cxx-test-depends

libcxxabi/test/CMakeLists.txt

@@ -76,7 +76,7 @@ configure_lit_site_cfg(
   ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
   MAIN_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py")
 
-add_lit_target(check-cxxabi "Running libcxxabi tests"
+add_lit_testsuite(check-cxxabi "Running libcxxabi tests"
   ${CMAKE_CURRENT_BINARY_DIR}
   DEPENDS ${LIBCXXABI_TEST_DEPS}
   PARAMS "${LIBCXXABI_TEST_PARAMS}")