================
@@ -126,6 +145,25 @@ if ("flang-rt" IN_LIST LLVM_ENABLE_RUNTIMES AND NOT
FLANG_STANDALONE_BUILD)
list(APPEND FLANG_TEST_DEPENDS flang-rt-test-deps)
endif ()
+set(FLANG_BOLT_ALLOWLIST INSTRUMENT PERF LBR)
+set(FLANG_BOLT OFF CACHE STRING "Apply BOLT optimization to flang. \
+May be specified as one of ${FLANG_BOLT_ALLOWLIST} to use a particular
profiling \
+ mechanism.")
+string(TOUPPER "${FLANG_BOLT}" FLANG_BOLT)
+if (FLANG_BOLT AND NOT FLANG_BOLT IN_LIST FLANG_BOLT_ALLOWLIST)
+ message(FATAL_ERROR "Specified FLANG_BOLT value '${FLANG_BOLT}' is not one
of ${FLANG_BOLT_ALLOWLIST}.")
+endif()
+
+if (FLANG_BOLT AND NOT LLVM_BUILD_INSTRUMENTED)
+ list(APPEND FLANG_TEST_DEPENDS
+ clear-flang-bolt-fdata
+ llvm-bolt
+ clang-bolt)
+ if (NOT FLANG_BOLT STREQUAL "INSTRUMENT")
+ list(APPEND FLANG_BOLT_DEPS clear-flang-perf-data)
----------------
Meinersbur wrote:
`FLANG_BOLT_DEPS` used anywhere?
https://github.com/llvm/llvm-project/pull/198863
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