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https://github.com/c64scene-ar/llvm-6502.git
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3ab68895b4
llc can compile .ll files directly these days. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83618 91177308-0d34-0410-b5e6-96231b3b80d8
219 lines
7.9 KiB
TableGen
219 lines
7.9 KiB
TableGen
//===- Base.td - LLVMC toolchain descriptions --------------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains compilation graph description used by llvmc.
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//
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//===----------------------------------------------------------------------===//
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include "llvm/CompilerDriver/Common.td"
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// Options
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def OptList : OptionList<[
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(switch_option "emit-llvm",
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(help "Emit LLVM .ll files instead of native object files")),
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(switch_option "E",
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(help "Stop after the preprocessing stage, do not run the compiler")),
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(switch_option "fsyntax-only",
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(help "Stop after checking the input for syntax errors")),
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(switch_option "opt",
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(help "Enable opt")),
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(switch_option "S",
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(help "Stop after compilation, do not assemble")),
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(switch_option "c",
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(help "Compile and assemble, but do not link")),
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(switch_option "pthread",
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(help "Enable threads")),
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(parameter_option "linker",
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(help "Choose linker (possible values: gcc, g++)")),
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(parameter_option "MF",
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(help "Specify a file to write dependencies to"), (hidden)),
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(parameter_option "MT",
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(help "Change the name of the rule emitted by dependency generation"),
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(hidden)),
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(parameter_list_option "include",
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(help "Include the named file prior to preprocessing")),
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(prefix_list_option "I",
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(help "Add a directory to include path")),
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(prefix_list_option "D",
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(help "Define a macro")),
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(prefix_list_option "Wa,",
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(help "Pass options to assembler")),
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(prefix_list_option "Wllc,",
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(help "Pass options to llc")),
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(prefix_list_option "L",
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(help "Add a directory to link path")),
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(prefix_list_option "l",
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(help "Search a library when linking")),
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(prefix_list_option "Wl,",
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(help "Pass options to linker")),
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(prefix_list_option "Wo,",
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(help "Pass options to opt"))
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]>;
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// Tools
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class llvm_gcc_based <string cmd_prefix, string in_lang, string E_ext> : Tool<
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[(in_language in_lang),
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(out_language "llvm-bitcode"),
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(output_suffix "bc"),
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(cmd_line (case
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(switch_on "E"),
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(case (not_empty "o"),
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!strconcat(cmd_prefix, " -E $INFILE -o $OUTFILE"),
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(default),
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!strconcat(cmd_prefix, " -E $INFILE")),
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(switch_on "fsyntax-only"),
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!strconcat(cmd_prefix, " -fsyntax-only $INFILE"),
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(and (switch_on "S"), (switch_on "emit-llvm")),
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!strconcat(cmd_prefix, " -S $INFILE -o $OUTFILE -emit-llvm"),
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(default),
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!strconcat(cmd_prefix, " -c $INFILE -o $OUTFILE -emit-llvm"))),
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(actions
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(case
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(and (multiple_input_files), (or (switch_on "S"), (switch_on "c"))),
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(error "cannot specify -o with -c or -S with multiple files"),
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(switch_on "E"), [(stop_compilation), (output_suffix E_ext)],
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(and (switch_on "emit-llvm"), (switch_on "S")),
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[(output_suffix "ll"), (stop_compilation)],
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(and (switch_on "emit-llvm"), (switch_on "c")), (stop_compilation),
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(switch_on "fsyntax-only"), (stop_compilation),
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(not_empty "include"), (forward "include"),
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(not_empty "I"), (forward "I"),
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(not_empty "D"), (forward "D"),
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(not_empty "MF"), (forward "MF"),
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(not_empty "MT"), (forward "MT"))),
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(sink)
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]>;
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def llvm_gcc_c : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x c", "c", "i">;
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def llvm_gcc_cpp : llvm_gcc_based<"@LLVMGXXCOMMAND@ -x c++", "c++", "i">;
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def llvm_gcc_m : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x objective-c",
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"objective-c", "mi">;
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def llvm_gcc_mxx : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x objective-c++",
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"objective-c++", "mi">;
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def opt : Tool<
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[(in_language "llvm-bitcode"),
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(out_language "llvm-bitcode"),
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(output_suffix "bc"),
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(actions (case (not_empty "Wo,"), (unpack_values "Wo,"))),
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(cmd_line "opt -f $INFILE -o $OUTFILE")
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]>;
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def llvm_as : Tool<
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[(in_language "llvm-assembler"),
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(out_language "llvm-bitcode"),
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(output_suffix "bc"),
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(cmd_line "llvm-as $INFILE -o $OUTFILE"),
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(actions (case (switch_on "emit-llvm"), (stop_compilation)))
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]>;
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def llvm_gcc_assembler : Tool<
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[(in_language "assembler"),
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(out_language "object-code"),
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(output_suffix "o"),
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(cmd_line "@LLVMGCCCOMMAND@ -c -x assembler $INFILE -o $OUTFILE"),
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(actions (case
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(switch_on "c"), (stop_compilation),
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(not_empty "Wa,"), (unpack_values "Wa,")))
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]>;
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def llc : Tool<
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[(in_language ["llvm-bitcode", "llvm-assembler"]),
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(out_language "assembler"),
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(output_suffix "s"),
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(cmd_line "llc -f $INFILE -o $OUTFILE"),
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(actions (case
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(switch_on "S"), (stop_compilation),
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(not_empty "Wllc,"), (unpack_values "Wllc,")))
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]>;
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// Base class for linkers
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class llvm_gcc_based_linker <string cmd_prefix> : Tool<
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[(in_language "object-code"),
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(out_language "executable"),
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(output_suffix "out"),
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(cmd_line !strconcat(cmd_prefix, " $INFILE -o $OUTFILE")),
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(join),
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(actions (case
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(switch_on "pthread"), (append_cmd "-lpthread"),
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(not_empty "L"), (forward "L"),
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(not_empty "l"), (forward "l"),
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(not_empty "Wl,"), (forward "Wl,")))
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]>;
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// Default linker
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def llvm_gcc_linker : llvm_gcc_based_linker<"@LLVMGCCCOMMAND@">;
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// Alternative linker for C++
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def llvm_gcc_cpp_linker : llvm_gcc_based_linker<"@LLVMGXXCOMMAND@">;
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// Language map
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def LanguageMap : LanguageMap<
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[LangToSuffixes<"c++", ["cc", "cp", "cxx", "cpp", "CPP", "c++", "C"]>,
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LangToSuffixes<"c", ["c"]>,
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LangToSuffixes<"c-cpp-output", ["i"]>,
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LangToSuffixes<"objective-c-cpp-output", ["mi"]>,
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LangToSuffixes<"objective-c++", ["mm"]>,
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LangToSuffixes<"objective-c", ["m"]>,
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LangToSuffixes<"assembler", ["s"]>,
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LangToSuffixes<"assembler-with-cpp", ["S"]>,
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LangToSuffixes<"llvm-assembler", ["ll"]>,
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LangToSuffixes<"llvm-bitcode", ["bc"]>,
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LangToSuffixes<"object-code", ["o"]>,
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LangToSuffixes<"executable", ["out"]>
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]>;
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// Compilation graph
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def CompilationGraph : CompilationGraph<[
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Edge<"root", "llvm_gcc_c">,
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Edge<"root", "llvm_gcc_assembler">,
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Edge<"root", "llvm_gcc_cpp">,
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Edge<"root", "llvm_gcc_m">,
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Edge<"root", "llvm_gcc_mxx">,
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Edge<"root", "llc">,
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Edge<"llvm_gcc_c", "llc">,
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Edge<"llvm_gcc_cpp", "llc">,
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Edge<"llvm_gcc_m", "llc">,
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Edge<"llvm_gcc_mxx", "llc">,
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Edge<"llvm_as", "llc">,
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OptionalEdge<"root", "llvm_as",
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(case (switch_on "emit-llvm"), (inc_weight))>,
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OptionalEdge<"llvm_gcc_c", "opt", (case (switch_on "opt"), (inc_weight))>,
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OptionalEdge<"llvm_gcc_cpp", "opt", (case (switch_on "opt"), (inc_weight))>,
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OptionalEdge<"llvm_gcc_m", "opt", (case (switch_on "opt"), (inc_weight))>,
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OptionalEdge<"llvm_gcc_mxx", "opt", (case (switch_on "opt"), (inc_weight))>,
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OptionalEdge<"llvm_as", "opt", (case (switch_on "opt"), (inc_weight))>,
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Edge<"opt", "llc">,
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Edge<"llc", "llvm_gcc_assembler">,
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Edge<"llvm_gcc_assembler", "llvm_gcc_linker">,
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OptionalEdge<"llvm_gcc_assembler", "llvm_gcc_cpp_linker",
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(case
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(or (input_languages_contain "c++"),
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(input_languages_contain "objective-c++")),
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(inc_weight),
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(or (parameter_equals "linker", "g++"),
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(parameter_equals "linker", "c++")), (inc_weight))>,
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Edge<"root", "llvm_gcc_linker">,
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OptionalEdge<"root", "llvm_gcc_cpp_linker",
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(case
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(or (input_languages_contain "c++"),
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(input_languages_contain "objective-c++")),
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(inc_weight),
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(or (parameter_equals "linker", "g++"),
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(parameter_equals "linker", "c++")), (inc_weight))>
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]>;
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