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628b987c11
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Teresa Johnson 628b987c11 [LTO] Remove values from non-prevailing comdats 
Summary:
When linking a regular LTO module, if it has any non-prevailing values
(dropped to available_externally) in comdats, we need to do more than
just remove those values from their comdat. We also remove all values
from that comdat, so as to avoid leaving an incomplete comdat.

This is necessary in case we are compiling in mixed regular and ThinLTO
mode, since the resulting regularLTO native object is always linked into
the final binary first. We need to prevent the linker from selecting an
incomplete comdat that was not the prevailing copy.

Fixes PR32980.

Reviewers: pcc, rafael

Subscribers: mehdi_amini, david2050, llvm-commits, inglorion

Differential Revision: https://reviews.llvm.org/D34803

llvm-svn: 306826
2017-06-30 14:03:24 +00:00
bindings [NFC] Remove multiple semicolons 2017-06-28 23:15:16 +00:00
cmake TableGen.cmake: Use DEPFILE for Ninja Generator with CMake>=3.7. 2017-06-21 22:04:07 +00:00
docs Fixed misplaced table border in the docs. 2017-06-30 09:47:17 +00:00
examples [ORC] Re-apply r306166 and r306168 with fix for regression test. 2017-06-23 23:25:28 +00:00
include Remove unnecessary commented out argument. NFCI. 2017-06-30 13:26:17 +00:00
lib [LTO] Remove values from non-prevailing comdats 2017-06-30 14:03:24 +00:00
projects Add temporary workaround to allow in-tree libc++ builds on Windows 2017-05-11 01:44:30 +00:00
resources
runtimes [CMake][runtimes] Add install target for runtimes builtins 2017-06-02 19:38:11 +00:00
test [LTO] Remove values from non-prevailing comdats 2017-06-30 14:03:24 +00:00
tools [llvm-readobj] Improve printouts for COFF ARM64 binaries 2017-06-30 07:02:13 +00:00
unittests [DWARF] - Simplify HandleExpectedError implementation in DWARFDebugInfoTest 2017-06-30 10:09:01 +00:00
utils Added Dockerfiles to build clang from sources. 2017-06-30 09:46:45 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [Solaris] replace Solaris.h hack with a set of better hacks 2017-06-22 13:18:46 +00:00
CODE_OWNERS.TXT Remove the BBVectorize pass. 2017-06-30 07:09:08 +00:00
configure
CREDITS.TXT CREDITS.TXT: Update myself. 2017-06-30 11:59:53 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. Added a blank line. 2017-03-06 20:45:33 +00:00
RELEASE_TESTERS.TXT Update the release tester for MIPS. NFC. 2017-01-17 11:00:28 +00:00

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