From f6aeea168a04bf0dcc648c4f081af4d55e9ad419 Mon Sep 17 00:00:00 2001 From: Chris Bieneman Date: Thu, 10 Dec 2015 21:19:07 +0000 Subject: [PATCH] [CMake] Add LLVM_BUILD_INSTRUMENTED option to enable building with -fprofile-instr-generate This is the first step in supporting PGO data generation via CMake. I've marked the option as advanced and experimental until it is fleshed out further. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255298 91177308-0d34-0410-b5e6-96231b3b80d8 --- cmake/modules/HandleLLVMOptions.cmake | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake index 6c3109c4de7..f4ac6d7a73f 100644 --- a/cmake/modules/HandleLLVMOptions.cmake +++ b/cmake/modules/HandleLLVMOptions.cmake @@ -587,6 +587,14 @@ if(LLVM_ENABLE_EH AND NOT LLVM_ENABLE_RTTI) message(FATAL_ERROR "Exception handling requires RTTI. You must set LLVM_ENABLE_RTTI to ON") endif() +option(LLVM_BUILD_INSTRUMENTED "Build LLVM and tools with PGO instrumentation (experimental)" Off) +mark_as_advanced(LLVM_BUILD_INSTRUMENTED) +append_if(LLVM_BUILD_INSTRUMENTED "-fprofile-instr-generate" + CMAKE_CXX_FLAGS + CMAKE_C_FLAGS + CMAKE_EXE_LINKER_FLAGS + CMAKE_SHARED_LINKER_FLAGS) + # Plugin support # FIXME: Make this configurable. if(WIN32 OR CYGWIN) -- 2.34.1