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资源说明：graph based intermediate representation and backend for optimising compilers
libFirm -- A graph based SSA intermediate representation ======================================================== Introduction ------------ The Firm library implements the Firm intermediate representation (ir). You can find an old description of Firm in [TLB:99]. libFirm contains algorithms for construction of the SSA form directly from the attributed syntax tree. A set of analyses and optimization phases is provided. This version includes a complete backend for the IA32 and SPARC architecture, as well as unfinished backends for MIPS, ARM, and AMD64. Building and Installation ------------------------- Prerequisites for the build: * Python (2.7.x or >=3.3 are supported) * Perl * an ANSI C99 compiler (gcc, clang, icc are known to work) * Git ### Building with make Just type 'make' in the source directory. The results are put into a directory called "build". You can override the existing preprocessor, compiler and linker flags by creating a 'config.mak' file. ### Building with cmake libFirm has an additional cmake build system. CMake is a more complex build system than the make based one and most libFirm developers do not use it. However it can adapt the compiler and linker flags to build shared libraries for a wider range of systems, provides an installation target and is often more familiar for people preparing packages for distribution. Repository Structure -------------------- ``` include/libfirm/ # public API ir/ # nearly all the code ir/adt/ # containers and other generic data types ir/ana/ # analysis (for optimizations) ir/be/ # backends (x86, sparc, amd64, etc) ir/common/ # utility stuff ir/ident/ # identifier data structure ir/ir/ # core data types of intermediate representation ir/kaps/ # PBQP solver ir/libcore/ # utility stuff ir/lower/ # lowering phases from high-level to low-level mechanisms ir/lpp/ # interface for external ILP solvers ir/obstack/ # arena memory allocator ir/opt/ # optimization phases ir/stat/ # statistics ir/tr/ # type representation ir/tv/ # target values (architecture-independent arithmetic) scripts/ # generator scripts, firm node specification unittests/ # unittests build/ # build system generates stuff here ``` Further Information and Contact ------------------------------- Official website: http://libfirm.org/ Contact E-Mail: firm@ipd.info.uni-karlsruhe.de Mailing list: https://lists.ira.uni-karlsruhe.de/mailman/listinfo/firm Bugtracker: http://pp.ipd.kit.edu/~firm/bugs Internet relay chat: irc://chat.freenode.net/#firm
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