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Author SHA1 Message Date
Peter Collingbourne 20a00933fb ThinLTOBitcodeWriter: Clear comdats on filtered globals. 
Differential Revision: https://reviews.llvm.org/D28839

llvm-svn: 292431
 2017-01-18 20:03:02 +00:00
Benjamin Kramer 061f4a5fe6 Apply clang-tidy's performance-unnecessary-value-param to LLVM. 
With some minor manual fixes for using function_ref instead of
std::function. No functional change intended.

llvm-svn: 291904
 2017-01-13 14:39:03 +00:00
Peter Collingbourne 1398a32e28 IPO: Introduce ThinLTOBitcodeWriter pass. 
This pass prepares a module containing type metadata for ThinLTO by splitting
it into regular and thin LTO parts if possible, and writing both parts to
a multi-module bitcode file. Modules that do not contain type metadata are
written unmodified as a single module.

All globals with type metadata are added to the regular LTO module, and
the rest are added to the thin LTO module.

Differential Revision: https://reviews.llvm.org/D27324

llvm-svn: 289899
 2016-12-16 00:26:30 +00:00