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//===- Clang.td - LLVMC toolchain descriptions -------------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains compilation graph description used by llvmc.
//
//===----------------------------------------------------------------------===//
def Options : OptionList<[
(switch_option "clang", (help "Use Clang instead of llvm-gcc"))
]>;
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 (switch_on "E"),
[(forward "E"), (stop_compilation), (output_suffix ext_E)],
(and (switch_on "E"), (empty "o")), (no_out_file),
(switch_on "fsyntax-only"), (stop_compilation),
(switch_on ["S", "emit-llvm"]),
[(append_cmd "-emit-llvm"),
(stop_compilation), (output_suffix "ll")],
(not (switch_on ["S", "emit-llvm"])),
(append_cmd "-emit-llvm-bc"),
(switch_on ["c", "emit-llvm"]),
(stop_compilation),
(not_empty "include"), (forward "include"),
(not_empty "I"), (forward "I"))),
(sink)
]>;
def clang_c : clang_based<"c", "clang -x c", "i">;
def clang_cpp : clang_based<"c++", "clang -x c++", "i">;
def clang_objective_c : clang_based<"objective-c",
"clang -x objective-c", "mi">;
def clang_objective_cpp : clang_based<"objective-c++",
"clang -x objective-c++", "mi">;
def as : Tool<
[(in_language "assembler"),
(out_language "object-code"),
(output_suffix "o"),
(command "as"),
(actions (case (not_empty "Wa,"), (forward_value "Wa,"),
(switch_on "c"), (stop_compilation)))
]>;
// Default linker
def llvm_ld : Tool<
[(in_language "object-code"),
(out_language "executable"),
(output_suffix "out"),
(command "llvm-ld -native -disable-internalize"),
(actions (case
(switch_on "pthread"), (append_cmd "-lpthread"),
(not_empty "L"), (forward "L"),
(not_empty "l"), (forward "l"),
(not_empty "Wl,"), (forward_value "Wl,"))),
(join)
]>;
// Compilation graph
def ClangCompilationGraph : CompilationGraph<[
(optional_edge "root", "clang_c",
(case (switch_on "clang"), (inc_weight))),
(optional_edge "root", "clang_cpp",
(case (switch_on "clang"), (inc_weight))),
(optional_edge "root", "clang_objective_c",
(case (switch_on "clang"), (inc_weight))),
(optional_edge "root", "clang_objective_cpp",
(case (switch_on "clang"), (inc_weight))),
(edge "clang_c", "llc"),
(edge "clang_cpp", "llc"),
(edge "clang_objective_c", "llc"),
(edge "clang_objective_cpp", "llc"),
(optional_edge "llc", "as", (case (switch_on "clang"), (inc_weight))),
(edge "as", "llvm_ld")
]>;
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