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Rafael Espindola 3d47402f2e Error if we see an alias to a declaration. 
In ELF and COFF an alias is just another offset in a section. There is no way
to represent an alias to something in another file.

In MachO, the spec has the N_INDR type which should allow for exactly that, but
is not currently implemented. Given that it is specified but not implemented,
we error in codegen to avoid miscompiling but don't reject aliases to
declarations in the verifier to leave the option open of implementing it.

In the past we have used alias to declarations as a way of implementing
weakref, which is why it exists in some old tests which this patch updates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-14 13:58:06 +00:00
autoconf [autoconf] Prune "runtime" stuff in configure, corresponding to r191835. 2013-11-11 13:53:52 +00:00
bindings [OCaml] Build stub OCaml libraries for all configured targets 2013-11-14 06:34:21 +00:00
cmake Revert my CMake patches concerning building with /MT (r194589, r194596) 2013-11-13 20:29:10 +00:00
docs Add external project LDC to release notes. 2013-11-14 05:57:40 +00:00
examples Add missing #include's to cctype when using isdigit/alpha/etc. 2013-10-12 00:55:57 +00:00
include Fix the header comment of the new pass manager stuff to not claim to be 2013-11-14 10:55:14 +00:00
lib Error if we see an alias to a declaration. 2013-11-14 13:58:06 +00:00
projects Revert "Revert "Windows: Add support for unicode command lines"" 2013-10-07 01:00:07 +00:00
test Error if we see an alias to a declaration. 2013-11-14 13:58:06 +00:00
tools llvm-cov requires IR and Support as libraries. Instrumentation would be overkill. 2013-11-14 11:45:16 +00:00
unittests remove extra semicolon 2013-11-14 03:03:05 +00:00
utils Update emacs llvm mode. 2013-11-14 02:03:02 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.clang-format
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:34 +00:00
CMakeLists.txt Revert my CMake patches concerning building with /MT (r194589, r194596) 2013-11-13 20:29:10 +00:00
CODE_OWNERS.TXT Add myself to CODE_OWNERS for the OCaml bindings 2013-11-13 04:24:13 +00:00
configure [autoconf] Prune "runtime" stuff in configure, corresponding to r191835. 2013-11-11 13:53:52 +00:00
CREDITS.TXT Fix typo + add URL 2013-11-13 10:07:16 +00:00
LICENSE.TXT Be more specific and capitalize filenames. 2013-05-21 21:22:34 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add an autoconf option for turning on -gsplit-dwarf by default 2013-06-25 01:12:25 +00:00
Makefile.rules Rules adjustments in order to build on DragonFly BSD. 2013-10-31 14:35:00 +00:00
README.txt Revert "Test commit to check e-mail address. Please discard this." 2013-10-04 10:59:13 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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.