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//===- PIC16Base.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 "r",
(help "Use resource file for part info"),
(really_hidden)),
(parameter_option "regalloc",
(help "Register allocator to use.(possible values: simple, linearscan, pbqp, local. default = pbqp)")),
(prefix_list_option "Wa,",
(help "Pass options to assembler (Run 'gpasm -help' for assembler options)")),
(prefix_list_option "Wl,",
(help "Pass options to linker (Run 'mplink -help' for linker options)"))
]>;
// Tools
class clang_based<string language, string cmd, string ext_E> : Tool<
[(in_language language),
(out_language "llvm-bitcode"),
(output_suffix "bc"),
(cmd_line (case
(switch_on "E"),
(case
(not_empty "o"), !strconcat(cmd, " -E $INFILE -o $OUTFILE"),
(default), !strconcat(cmd, " -E $INFILE")),
(default), !strconcat(cmd, " $INFILE -o $OUTFILE"))),
(actions (case
(and (multiple_input_files), (or (switch_on "S"), (switch_on "c"))),
(error "cannot specify -o with -c or -S with multiple files"),
(switch_on "E"), [(stop_compilation), (output_suffix ext_E)],
(switch_on "bc"),[(stop_compilation), (output_suffix "bc")],
(switch_on "g"), (append_cmd "-g"),
(switch_on "O1"), (append_cmd ""),
(switch_on "O2"), (append_cmd ""),
(switch_on "O3"), (append_cmd ""),
(switch_on "Od"), (append_cmd ""),
(not_empty "D"), (forward "D"),
(not_empty "I"), (forward "I"),
(switch_on "O0"), (append_cmd "-O0"),
(default), (append_cmd "-O1")))
]>;
def clang_cc : clang_based<"c", "$CALL(GetBinDir)clang -cc1 -I $CALL(GetStdHeadersDir) -triple=pic16- -emit-llvm-bc ", "i">;
// pre-link-and-lto step.
def llvm_ld : Tool<[
(in_language "llvm-bitcode"),
(out_language "llvm-bitcode"),
(output_suffix "bc"),
(cmd_line "$CALL(GetBinDir)llvm-ld -L $CALL(GetStdLibsDir) -instcombine -disable-licm-promotion $INFILE -b $OUTFILE -l std"),
(actions (case
(switch_on "O0"), (append_cmd "-disable-opt"),
(switch_on "O1"), (append_cmd "-disable-opt"),
(switch_on "O2"), (append_cmd ""),
// Whenever O3 is not specified on the command line, default i.e. disable-inlining will always be added.
(switch_on "O3"), (append_cmd ""),
(default), (append_cmd "-disable-inlining"))),
(join)
]>;
// optimize single file
def llvm_ld_optimizer : Tool<[
(in_language "llvm-bitcode"),
(out_language "llvm-bitcode"),
(output_suffix "bc"),
(cmd_line "$CALL(GetBinDir)llvm-ld -instcombine -disable-inlining $INFILE -b $OUTFILE"),
(actions (case
(switch_on "O0"), (append_cmd "-disable-opt")))
]>;
// optimizer step.
def pic16passes : Tool<[
(in_language "llvm-bitcode"),
(out_language "llvm-bitcode"),
(output_suffix "obc"),
(cmd_line "$CALL(GetBinDir)opt -pic16overlay $INFILE -f -o $OUTFILE"),
(actions (case
(switch_on "O0"), (append_cmd "-disable-opt")))
]>;
def llc : Tool<[
(in_language "llvm-bitcode"),
(out_language "assembler"),
(output_suffix "s"),
(cmd_line "$CALL(GetBinDir)llc -march=pic16 -disable-jump-tables -pre-RA-sched=list-burr -f $INFILE -o $OUTFILE"),
(actions (case
(switch_on "S"), (stop_compilation),
(not_empty "regalloc"), (forward "regalloc"),
(empty "regalloc"), (append_cmd "-regalloc=pbqp")))
]>;
def gpasm : Tool<[
(in_language "assembler"),
(out_language "object-code"),
(output_suffix "o"),
(cmd_line "$CALL(GetBinDir)gpasm -r decimal -I $CALL(GetStdAsmHeadersDir) -C -c -w 2 $INFILE -o $OUTFILE"),
(actions (case
(switch_on "c"), (stop_compilation),
(switch_on "g"), (append_cmd "-g"),
(switch_on "r"), (append_cmd "-z"),
(not_empty "p"), (forward "p"),
(empty "p"), (append_cmd "-p 16f1xxx"),
(not_empty "Wa,"), (forward_value "Wa,")))
]>;
def mplink : Tool<[
(in_language "object-code"),
(out_language "executable"),
(output_suffix "cof"),
(cmd_line "$CALL(GetBinDir)mplink -k $CALL(GetStdLinkerScriptsDir) -l $CALL(GetStdLibsDir) intrinsics.lib stdn.lib $INFILE -o $OUTFILE"),
(actions (case
(not_empty "Wl,"), (forward_value "Wl,"),
(switch_on "r"), (append_cmd "-e"),
(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 "k"), (forward_value "k"),
(not_empty "l"), (forward_value "l"))),
(join)
]>;
// Language map
def LanguageMap : LanguageMap<[
LangToSuffixes<"c", ["c"]>,
LangToSuffixes<"c-cpp-output", ["i"]>,
LangToSuffixes<"assembler", ["s"]>,
LangToSuffixes<"assembler-with-cpp", ["S"]>,
LangToSuffixes<"llvm-assembler", ["ll"]>,
LangToSuffixes<"llvm-bitcode", ["bc"]>,
LangToSuffixes<"object-code", ["o"]>,
LangToSuffixes<"executable", ["cof"]>
]>;
// Compilation graph
def CompilationGraph : CompilationGraph<[
Edge<"root", "clang_cc">,
Edge<"root", "llvm_ld">,
OptionalEdge<"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">,
OptionalEdge<"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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