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# Copyright (c) 2022-2023, PostgreSQL Global Development Group
if not llvm.found()
subdir_done()
endif
# Build LLVM JIT backend module
llvmjit_sources = []
# Infrastructure
llvmjit_sources += files(
'llvmjit.c',
'llvmjit_error.cpp',
'llvmjit_inline.cpp',
'llvmjit_wrap.cpp',
)
# Code generation
llvmjit_sources += files(
'llvmjit_deform.c',
'llvmjit_expr.c',
)
if host_system == 'windows'
llvmjit_sources += rc_lib_gen.process(win32ver_rc, extra_args: [
'--NAME', 'llvmjit',
'--FILEDESC', 'llvmjit - JIT using LLVM',])
endif
llvmjit = shared_module('llvmjit',
llvmjit_sources,
kwargs: pg_mod_args + {
'dependencies': pg_mod_args['dependencies'] + [llvm],
'cpp_args': pg_mod_args['cpp_args'] + llvm.get_variable(configtool: 'cxxflags').split(),
}
)
backend_targets += llvmjit
# Define a few bits and pieces used here and elsewhere to generate bitcode
llvm_irgen_args = [
'-c', '-o', '@OUTPUT@', '@INPUT@',
'-flto=thin', '-emit-llvm',
'-MD', '-MQ', '@OUTPUT@', '-MF', '@DEPFILE@',
'-O2',
'-Wno-ignored-attributes',
'-Wno-empty-body',
]
if ccache.found()
llvm_irgen_command = ccache
llvm_irgen_args = [clang.path()] + llvm_irgen_args
else
llvm_irgen_command = clang
endif
# XXX: Need to determine proper version of the function cflags for clang
bitcode_cflags = ['-fno-strict-aliasing', '-fwrapv']
if llvm.version().version_compare('>=15.0')
bitcode_cflags += ['-Xclang', '-no-opaque-pointers']
endif
bitcode_cflags += cppflags
# XXX: Worth improving on the logic to find directories here
bitcode_cflags += '-I@BUILD_ROOT@/src/include'
bitcode_cflags += '-I@BUILD_ROOT@/src/backend/utils/misc'
bitcode_cflags += '-I@SOURCE_ROOT@/src/include'
# Note this is intentionally not installed to bitcodedir, as it's not for
# inlining
llvmjit_types = custom_target('llvmjit_types.bc',
command: [llvm_irgen_command] + llvm_irgen_args + bitcode_cflags,
input: 'llvmjit_types.c',
output: 'llvmjit_types.bc',
depends: [postgres],
install: true,
install_dir: dir_lib_pkg,
depfile: '@BASENAME@.c.bc.d',
)
backend_targets += llvmjit_types
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