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# This file sets up a CMakeCache for the simple VE build.
#
# VE is a CPU with vector engine. But it is a connected to a host CPU as
# an accelerator. So, we compile programs for VE on a host using clang/llvm
# as a cross compiler. Therefore, the purpose of this cache file is to
# compile clang/llvm supporting both targets.
#
# Configure:
# cmake -G Ninja -DCMAKE_BUILD_TYPE=Release
# -C <llvm_src_root>/clang/cmake/caches/VectorEngine.cmake
# <llvm_src_root>/llvm-project/llvm
# Build:
# ninja
#
# Disable ZLIB, and ZSTD for VE since there is no pre-compiled libraries.
set(LLVM_ENABLE_ZLIB OFF CACHE BOOL "")
set(LLVM_ENABLE_ZSTD OFF CACHE BOOL "")
# Enable per-target runtimes directory
set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR On CACHE BOOL "")
# The lld is not supported for VE yet.
set(LLVM_ENABLE_PROJECTS "clang;clang-tools-extra" CACHE STRING "")
set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind;openmp" CACHE STRING "")
# Compile for X86 and VE
set(LLVM_TARGETS_TO_BUILD "X86;VE" CACHE STRING "")
# Not use default here to use RUNTIMES_x86_64-unknown-linux-gnu_* variables.
set(LLVM_BUILTIN_TARGETS "x86_64-unknown-linux-gnu;ve-unknown-linux-gnu" CACHE STRING "")
set(LLVM_RUNTIME_TARGETS "x86_64-unknown-linux-gnu;ve-unknown-linux-gnu" CACHE STRING "")
# For the case of X86, we don't want to test compiler-rt for x86,
# so disable them as much as possible.
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_BUILTINS ON CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_CRT OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_CTX_PROFILE OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_PROFILE OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_MEMPROF OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_ORC OFF CACHE BOOL "")
set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_GWP_ASAN OFF CACHE BOOL "")
# VE supports builtins, crt, and profile only.
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_BUILTINS ON CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_CRT ON CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_PROFILE ON CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_CTX_PROFILE OFF CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_MEMPROF OFF CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_ORC OFF CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_GWP_ASAN OFF CACHE BOOL "")
# VE uses builtins from Compiler-RT.
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_USE_BUILTINS_LIBRARY TRUE CACHE BOOL "")
# VE uses libunwind and Compiler-RT from libcxxabi.
set(RUNTIMES_ve-unknown-linux-gnu_LIBCXXABI_USE_LLVM_UNWINDER TRUE CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_LIBCXXABI_USE_COMPILER_RT TRUE CACHE BOOL "")
# VE uses Compiler-RT from libcxx.
set(RUNTIMES_ve-unknown-linux-gnu_LIBCXX_USE_COMPILER_RT TRUE CACHE BOOL "")
# Pretended standalone build for OpenMP since OpenMP doesn't support
# LLVM_ENABLE_PER_TARGET_RUNTIME_DIR yet.
# - Use OPENMP_STANDALONE_BUILD
# - Define OPENMP_LIBDIR_SUFFIX to pretend per-target openmp directory
# - Define OPENMP_LLVM_TOOLS_DIR for test
set(RUNTIMES_x86_64-unknown-linux-gnu_OPENMP_STANDALONE_BUILD ON CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_OPENMP_STANDALONE_BUILD ON CACHE BOOL "")
# Specify LIBDIR_SUFFIX for OpenMP to install them at following directories.
# install/lib/clang/${VERSION}/lib/x86_64-unknown-linux-gnu
# install/lib/clang/${VERSION}/lib/ve-unknown-linux-gnu
set(RUNTIMES_x86_64-unknown-linux-gnu_OPENMP_LIBDIR_SUFFIX "/x86_64-unknown-linux-gnu" CACHE STRING "")
set(RUNTIMES_ve-unknown-linux-gnu_OPENMP_LIBDIR_SUFFIX "/ve-unknown-linux-gnu" CACHE STRING "")
# Specify OPENMP_LLVM_TOOLS_DIR for test
set(RUNTIMES_x86_64-unknown-linux-gnu_OPENMP_LLVM_TOOLS_DIR "${CMAKE_BINARY_DIR}/bin" CACHE STRING "")
set(RUNTIMES_ve-unknown-linux-gnu_OPENMP_LLVM_TOOLS_DIR "${CMAKE_BINARY_DIR}/bin" CACHE STRING "")
# VE doesn't support libomptarget. Disable it for x86_64 also.
set(RUNTIMES_x86_64-unknown-linux-gnu_OPENMP_ENABLE_LIBOMPTARGET FALSE CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_OPENMP_ENABLE_LIBOMPTARGET FALSE CACHE BOOL "")
# VE requires -lrt flag for shm_open.
set(RUNTIMES_ve-unknown-linux-gnu_LIBOMP_HAVE_SHM_OPEN_WITH_LRT TRUE CACHE BOOL "")
# Compiler flags for testing
set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_TEST_COMPILER_CFLAGS "--target=ve-unknown-linux-gnu" CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_LIBCXXABI_TEST_COMPILER_CFLAGS "--target=ve-unknown-linux-gnu" CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_LIBCXX_TEST_COMPILER_CFLAGS "--target=ve-unknown-linux-gnu" CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_LIBUNWIND_TEST_COMPILER_CFLAGS "--target=ve-unknown-linux-gnu" CACHE BOOL "")
set(RUNTIMES_ve-unknown-linux-gnu_OPENMP_TEST_OPENMP_FLAGS "--target=ve-unknown-linux-gnu -fopenmp -pthread -lrt -ldl -Wl,-rpath,${CMAKE_BINARY_DIR}/lib/ve-unknown-linux-gnu" CACHE BOOL "")
# setup toolchain
set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "")
set(LLVM_TOOLCHAIN_TOOLS
dsymutil
llc
llvm-ar
llvm-cxxfilt
llvm-cov
llvm-dwarfdump
llvm-link
llvm-nm
llvm-objdump
llvm-profdata
llvm-ranlib
llvm-readelf
llvm-readobj
llvm-size
llvm-symbolizer
opt
CACHE STRING "")
set(LLVM_DISTRIBUTION_COMPONENTS
clang
clang-format
clang-resource-headers
builtins
runtimes
${LLVM_TOOLCHAIN_TOOLS}
CACHE STRING "")
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