Author: pcc Date: Thu Sep 7 17:50:50 2017 New Revision: 312770 URL: http://llvm.org/viewvc/llvm-project?rev=312770&view=rev Log: COFF: Implement ThinLTO cache and cache pruning support.
Differential Revision: https://reviews.llvm.org/D37607 Modified: cfe/trunk/docs/ThinLTO.rst Modified: cfe/trunk/docs/ThinLTO.rst URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ThinLTO.rst?rev=312770&r1=312769&r2=312770&view=diff ============================================================================== --- cfe/trunk/docs/ThinLTO.rst (original) +++ cfe/trunk/docs/ThinLTO.rst Thu Sep 7 17:50:50 2017 @@ -119,23 +119,27 @@ Incremental ThinLTO supports fast incremental builds through the use of a cache, which currently must be enabled through a linker option. -- gold (as of LLVM r279883): +- gold (as of LLVM 4.0): ``-Wl,-plugin-opt,cache-dir=/path/to/cache`` - ld64 (support in clang 3.9 and Xcode 8): ``-Wl,-cache_path_lto,/path/to/cache`` -- lld (as of LLVM r296702): +- ELF lld (as of LLVM 5.0): ``-Wl,--thinlto-cache-dir=/path/to/cache`` +- COFF lld (as of LLVM 6.0): + ``/lldltocache:/path/to/cache`` Cache Pruning ------------- To help keep the size of the cache under control, ThinLTO supports cache -pruning. Cache pruning is supported with ld64 and ELF lld, but currently only -ELF lld allows you to control the policy with a policy string. The cache -policy must be specified with a linker option. +pruning. Cache pruning is supported with ld64 and ELF and COFF lld, but +currently only ELF and COFF lld allow you to control the policy with a +policy string. The cache policy must be specified with a linker option. -- ELF lld (as of LLVM r298036): +- ELF lld (as of LLVM 5.0): ``-Wl,--thinlto-cache-policy,POLICY`` +- COFF lld (as of LLVM 6.0): + ``/lldltocachepolicy:POLICY`` A policy string is a series of key-value pairs separated by ``:`` characters. Possible key-value pairs are: _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
