[Cmake] Add an option to build LLVM using the experimental new pass manager
Add LLVM_USE_NEWPM to build LLVM using the experimental new pass manager.
Differential Revision: http://reviews.llvm.org/D57068
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353550 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index 49db308..ca53f7f 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -784,6 +784,16 @@
message(FATAL_ERROR "Exception handling requires RTTI. You must set LLVM_ENABLE_RTTI to ON")
endif()
+option(LLVM_USE_NEWPM "Build LLVM using the experimental new pass manager" Off)
+mark_as_advanced(LLVM_USE_NEWPM)
+if (LLVM_USE_NEWPM)
+ append("-fexperimental-new-pass-manager"
+ CMAKE_CXX_FLAGS
+ CMAKE_C_FLAGS
+ CMAKE_EXE_LINKER_FLAGS
+ CMAKE_SHARED_LINKER_FLAGS)
+endif()
+
option(LLVM_ENABLE_IR_PGO "Build LLVM and tools with IR PGO instrumentation (deprecated)" Off)
mark_as_advanced(LLVM_ENABLE_IR_PGO)
diff --git a/docs/CMake.rst b/docs/CMake.rst
index eb219c5..30fa5bc 100644
--- a/docs/CMake.rst
+++ b/docs/CMake.rst
@@ -582,6 +582,9 @@
If enabled, the compiler version check will only warn when using a toolchain
which is about to be deprecated, instead of emitting an error.
+**LLVM_USE_NEWPM**:BOOL
+ If enabled, use the experimental new pass manager.
+
CMake Caches
============
