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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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