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955228a2c6
llvm/cmake
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Bob Haarman 955228a2c6 enable building with LTO on Windows using clang-cl and lld 
Summary: With clang-cl gaining support for link-time optimization, we can now enable builds using LTO when using clang-cl and lld on Windows. To do this, we must not pass the -flto flag to the linker; lld-link does not understand it, but will perform LTO automatically when it encounters bitcode files. We also don't pass /Brepro when using LTO - the compiler doesn't generate object files for LTO, so passing the flag would only result in a warning about it being unused.

Reviewers: rnk, ruiu, hans

Reviewed By: hans

Subscribers: mgorny, mehdi_amini, llvm-commits

Differential Revision: https://reviews.llvm.org/D30240


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296658 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-01 19:22:18 +00:00
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modules enable building with LTO on Windows using clang-cl and lld 2017-03-01 19:22:18 +00:00
platforms [CMake] Add variable IOS to iOS toolchain 2017-02-17 01:11:41 +00:00
config-ix.cmake [Support] Provide linux/magic.h fallback for older kernels 2017-02-22 18:09:15 +00:00
config.guess [CMAKE] Update build on recent Haiku 2016-02-26 17:01:45 +00:00
dummy.cpp [CMake] Fix Xcode build with LLVM_ENABLE_OBJLIB. 2015-09-10 17:18:51 +00:00
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README

README 

See docs/CMake.html for instructions on how to build LLVM with CMake.