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Mirror of https://github.com/RPCS3/llvm-mirror
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Teresa Johnson 9cd7a891ec Move metadata linking after lazy global materialization/linking. 
Summary:
Currently, named metadata is linked before the LazilyLinkGlobalValues
list is walked and materialized/linked. As a result, references
from DISubprogram and DIGlobalVariable metadata to yet unmaterialized
functions and variables cause them to be added to the lazy linking
list and their definitions are materialized and linked.

This makes the llvm-link -only-needed option not have the intended
effect when debug information is present, as the otherwise unneeded
functions/variables are still linked in.

Additionally, for ThinLTO I have implemented a mechanism to only link
in debug metadata needed by imported functions. Moving named metadata
linking after lazy GV linking will facilitate applying this mechanism
to the LTO and "llvm-link -only-needed" cases as well.

Reviewers: dexonsmith, tra, dblaikie

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D14195

llvm-svn: 251926
2015-11-03 15:11:27 +00:00
autoconf Don't use bashism/kshism of test ==. From Kamil Rytarowski. 2015-09-12 16:30:32 +00:00
bindings [OCaml] Expose Llvm.{set_,}unnamed_addr. 2015-10-21 17:43:02 +00:00
cmake Revert parts accidentally included in r251823 2015-11-02 20:05:54 +00:00
docs docs: document x mangling in LangRef 2015-10-25 20:39:35 +00:00
examples [JIT/Examples] Fix Fibonacci so that it runs again. 2015-10-17 06:36:46 +00:00
include [X86] Generate .cfi_adjust_cfa_offset correctly when pushing arguments 2015-11-03 08:17:25 +00:00
lib Move metadata linking after lazy global materialization/linking. 2015-11-03 15:11:27 +00:00
projects [CMake] Disable adding the test suite as a projects subdirectory 2015-10-28 18:36:56 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
test Move metadata linking after lazy global materialization/linking. 2015-11-03 15:11:27 +00:00
tools Pass enum instead of bool to new linkInModule call in llvm-link 2015-11-03 15:10:50 +00:00
unittests [Support] Extend sys::path with user_cache_directory function. 2015-11-02 09:49:17 +00:00
utils lit: Add '-a' option to display commands+output of all tests 2015-11-02 16:13:46 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Minor updates to gitignore so that symlinks are ignored in the projects dir. 2015-07-07 20:24:58 +00:00
CMakeLists.txt [CMake] Get rid of LLVM_DYLIB_EXPORT_ALL, and make it the default, add libLLVM-C on darwin to cover the C API needs. 2015-10-27 16:02:04 +00:00
CODE_OWNERS.TXT Add myself as the the code owner for the AVR backend 2015-10-28 00:24:54 +00:00
configure Don't use bashism/kshism of test ==. From Kamil Rytarowski. 2015-09-12 16:30:32 +00:00
CREDITS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
Makefile.rules We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.