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[clang][cmake] Sanitize CLANG_BOLT values #126768

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Merged
merged 1 commit into from
Feb 14, 2025
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[clang][cmake] Sanitize CLANG_BOLT values #126768

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6 changes: 5 additions & 1 deletion clang/tools/driver/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,14 @@ if(CLANG_PLUGIN_SUPPORT)
set(support_plugins SUPPORT_PLUGINS)
endif()

set(CLANG_BOLT_ALLOWLIST INSTRUMENT PERF LBR)
set(CLANG_BOLT OFF CACHE STRING "Apply BOLT optimization to Clang. \
May be specified as Instrument or Perf or LBR to use a particular profiling \
May be specified as one of ${CLANG_BOLT_ALLOWLIST} to use a particular profiling \
mechanism.")
string(TOUPPER "${CLANG_BOLT}" CLANG_BOLT)
if (CLANG_BOLT AND NOT CLANG_BOLT IN_LIST CLANG_BOLT_ALLOWLIST)
message(FATAL_ERROR "Specified CLANG_BOLT value '${CLANG_BOLT}' is not one of ${CLANG_BOLT_ALLOWLIST}.")
endif()

if (CLANG_BOLT AND NOT LLVM_BUILD_INSTRUMENTED)
set(CLANG_BOLT_DEPS clear-bolt-fdata llvm-bolt llvm-readobj)
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