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//===- PIC16.td - PIC16 toolchain driver -------------------*- tablegen -*-===//
//
// A basic driver for the PIC16 toolchain.
//
//===----------------------------------------------------------------------===//
include "llvm/CompilerDriver/Common.td"
// Options
def OptionList : OptionList<[
(switch_option "g",
(help "Enable Debugging")),
(switch_option "E",
(help "Stop after preprocessing, do not compile")),
(switch_option "S",
(help "Stop after compilation, do not assemble")),
(switch_option "bc",
(help "Stop after b-code generation, do not compile")),
(switch_option "c",
(help "Stop after assemble, do not link")),
(prefix_option "p",
(help "Specify part name")),
(prefix_list_option "I",
(help "Add a directory to include path")),
(prefix_list_option "L",
(help "Add a directory to library path")),
(prefix_list_option "K",
(help "Add a directory to linker script search path")),
(parameter_option "l",
(help "Specify a library to link")),
(parameter_option "k",
(help "Specify a linker script")),
(parameter_option "m",
(help "Generate linker map file with the given name")),
(prefix_list_option "D",
(help "Define a macro")),
(switch_option "X",
(help "Do not invoke mp2hex to create an output hex file.")),
(switch_option "O0",
(help "Do not optimize")),
(switch_option "O1",
(help "Optimization Level 1.")),
(switch_option "O2",
(help "Optimization Level 2.")),
(switch_option "O3",
(help "Optimization Level 3.")),
(switch_option "Od",
(help "Perform Debug-safe Optimizations only.")),
(switch_option "w",
(help "Disable all warnings.")),
// (switch_option "O1",
// (help "Optimization level 1")),
// (switch_option "O2",
// (help "Optimization level 2. (Default)")),
// (parameter_option "pre-RA-sched",
// (help "Example of an option that is passed to llc")),
(parameter_option "regalloc",
(help "Register allocator to use (possible values: simple, linearscan, pbqp, local; default=linearscan)")),
(prefix_list_option "Wa,", (comma_separated),
(help "Pass options to assembler (Run 'gpasm -help' for assembler options)")),
(prefix_list_option "Wl,", (comma_separated),
(help "Pass options to linker (Run 'mplink -help' for linker options)"))
// (prefix_list_option "Wllc,",
// (help "Pass options to llc")),
// (prefix_list_option "Wo,",
// (help "Pass options to llvm-ld"))
]>;
// Tools
class clang_based<string language, string cmd, string ext_E> : Tool<
[(in_language language),
(out_language "llvm-bitcode"),
(output_suffix "bc"),
(command cmd),
(actions (case
(and (multiple_input_files),
(or (switch_on "S"), (switch_on "c"))),
(error "cannot specify -o with -c or -S with multiple files"),
(switch_on "E"), [(forward "E"),
(stop_compilation), (output_suffix ext_E)],
(and (switch_on "E"), (empty "o")), (no_out_file),
(switch_on "bc"),[(stop_compilation), (output_suffix "bc")],
(switch_on "g"), (append_cmd "-g"),
(switch_on "w"), (append_cmd "-w"),
(switch_on "O1"), (append_cmd ""),
(switch_on "O2"), (append_cmd ""),
(switch_on "O3"), (append_cmd ""),
(switch_on "Od"), (append_cmd ""),
(not_empty "D"), (forward "D"),
(not_empty "I"), (forward "I"),
(switch_on "O0"), (append_cmd "-O0"),
(default), (append_cmd "-O1")))
// (sink)
]>;
def clang_cc : clang_based<"c", "$CALL(GetBinDir)clang -cc1 -I $CALL(GetStdHeadersDir) -D $CALL(GetLowerCasePartDefine) -D $CALL(GetUpperCasePartDefine) -triple=pic16- -emit-llvm-bc ", "i">;
//def clang_cc : Tool<[
// (in_language "c"),
// (out_language "llvm-bitcode"),
// (output_suffix "bc"),
// (cmd_line "$CALL(GetBinDir)clang-cc -I $CALL(GetStdHeadersDir) -triple=pic16- -emit-llvm-bc "),
// (cmd_line kkkkk
// (actions (case
// (switch_on "g"), (append_cmd "g"),
// (not_empty "I"), (forward "I"))),
// (sink)
//]>;
// pre-link-and-lto step.
def llvm_ld : Tool<[
(in_language "llvm-bitcode"),
(out_language "llvm-bitcode"),
(output_suffix "bc"),
(command "$CALL(GetBinDir)llvm-ld -L $CALL(GetStdLibsDir) -disable-licm-promotion -l std"),
(out_file_option "-b"),
(actions (case
(switch_on "O0"), (append_cmd "-disable-opt"),
(switch_on "O1"), (append_cmd "-disable-opt"),
// Whenever O3 is not specified on the command line, default i.e. disable-inlining will always be added.
(switch_on "O2"), (append_cmd ""),
(switch_on "O3"), (append_cmd ""),
(default), (append_cmd "-disable-inlining"))),
(join)
]>;
// optimize single file
def llvm_ld_optimizer : Tool<[
(in_language "llvm-bitcode"),
(out_language "llvm-bitcode"),
(output_suffix "bc"),
// FIXME: we are still not disabling licm-promotion.
// -disable-licm-promotion and building stdn library causes c16-71 to fail.
(command "$CALL(GetBinDir)llvm-ld "),
(out_file_option "-b"),
(actions (case
(switch_on "O0"), (append_cmd "-disable-opt"),
(switch_on "O1"), (append_cmd "-disable-opt"),
// Whenever O3 is not specified on the command line, default i.e. disable-inlining will always be added.
(switch_on "O2"), (append_cmd ""),
(switch_on "O3"), (append_cmd ""),
(default), (append_cmd "-disable-inlining")))
]>;
// optimizer step.
def pic16passes : Tool<[
(in_language "llvm-bitcode"),
(out_language "llvm-bitcode"),
(output_suffix "obc"),
(command "$CALL(GetBinDir)opt -pic16cloner -pic16overlay -f"),
(actions (case
(switch_on "O0"), (append_cmd "-disable-opt")))
]>;
def llc : Tool<[
(in_language "llvm-bitcode"),
(out_language "assembler"),
(output_suffix "s"),
(command "$CALL(GetBinDir)llc -march=pic16 -disable-jump-tables -pre-RA-sched=list-burr -f"),
(actions (case
(switch_on "S"), (stop_compilation),
// (not_empty "Wllc,"), (unpack_values "Wllc,"),
// (not_empty "pre-RA-sched"), (forward "pre-RA-sched")))
(not_empty "regalloc"), (forward "regalloc"),
(empty "regalloc"), (append_cmd "-regalloc=linearscan")))
]>;
def gpasm : Tool<[
(in_language "assembler"),
(out_language "object-code"),
(output_suffix "o"),
(command "$CALL(GetBinDir)gpasm -z -r decimal -I $CALL(GetStdAsmHeadersDir) -C -c -w 2"),
(actions (case
(switch_on "c"), (stop_compilation),
(switch_on "g"), (append_cmd "-g"),
(not_empty "p"), (forward "p"),
(empty "p"), (append_cmd "-p 16f1xxx"),
(not_empty "Wa,"), (forward_value "Wa,")))
]>;
def mplink : Tool<[
(in_language "object-code"),
(out_language "executable"),
(output_suffix "cof"),
(command "$CALL(GetBinDir)mplink -e -k $CALL(GetStdLinkerScriptsDir) -l $CALL(GetStdLibsDir) intrinsics.lib stdn.lib"),
(actions (case
(not_empty "Wl,"), (forward_value "Wl,"),
(switch_on "X"), (append_cmd "-x"),
(not_empty "L"), (forward_as "L", "-l"),
(not_empty "K"), (forward_as "K", "-k"),
(not_empty "m"), (forward "m"),
(not_empty "p"), [(forward "p"), (append_cmd "-c")],
(empty "p"), (append_cmd "-p 16f1xxx -c"),
// (not_empty "l"), [(unpack_values "l"),(append_cmd ".lib")])),
(not_empty "k"), (forward "k"),
(not_empty "l"), (forward "l"))),
(join)
]>;
// Language map
def LanguageMap : LanguageMap<[
(lang_to_suffixes "c", "c"),
(lang_to_suffixes "c-cpp-output", "i"),
(lang_to_suffixes "assembler", "s"),
(lang_to_suffixes "assembler-with-cpp", "S"),
(lang_to_suffixes "llvm-assembler", "ll"),
(lang_to_suffixes "llvm-bitcode", "bc"),
(lang_to_suffixes "object-code", "o"),
(lang_to_suffixes "executable", "cof")
]>;
// Compilation graph
def CompilationGraph : CompilationGraph<[
(edge "root", "clang_cc"),
(edge "root", "llvm_ld"),
(optional_edge "root", "llvm_ld_optimizer",
(case (switch_on "S"), (inc_weight),
(switch_on "c"), (inc_weight))),
(edge "root", "gpasm"),
(edge "root", "mplink"),
(edge "clang_cc", "llvm_ld"),
(optional_edge "clang_cc", "llvm_ld_optimizer",
(case (switch_on "S"), (inc_weight),
(switch_on "c"), (inc_weight))),
(edge "llvm_ld", "pic16passes"),
(edge "llvm_ld_optimizer", "pic16passes"),
(edge "pic16passes", "llc"),
(edge "llc", "gpasm"),
(edge "gpasm", "mplink")
]>;
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