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Fork of llvm with experimental commits and workarounds for RPCS3
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Duncan P. N. Exon Smith 77f50da5c2 IR: Don't track nullptr on metadata RAUW 
The RAUW support in `Metadata` supports going to `nullptr` specifically
to handle values being deleted, causing `ValueAsMetadata` to be deleted.

Fix the case where the reference is from a `TrackingMDRef` (as opposed
to an `MDOperand` or a `MetadataAsValue`).

This is surprisingly rare -- metadata tracked by `TrackingMDRef` going
to null -- but it came up in an openSUSE bootstrap during inlining.  The
tracking ref was held by the `ValueMap` because it was referencing a
local, the basic block containing the local became dead after it had
been merged in, and when the local was deleted, the tracking ref
asserted in an `isa`.

llvm-svn: 224146
2014-12-12 19:24:33 +00:00
autoconf Require python 2.7. 2014-12-12 15:29:31 +00:00
bindings IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
cmake Disable --icf=safe to avoid a bug. 2014-12-12 14:28:19 +00:00
docs Require python 2.7. 2014-12-12 15:29:31 +00:00
examples Once more on the cmake build. nativecodegen->native on the dependencies. 2014-12-08 18:24:06 +00:00
include Pass a FD to resise_file and add a testcase. 2014-12-12 17:55:12 +00:00
lib IR: Don't track nullptr on metadata RAUW 2014-12-12 19:24:33 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test Relax debug-map-parsing.test error message check for Windows 2014-12-12 18:52:07 +00:00
tools Initial dsymutil tool commit. 2014-12-12 17:31:24 +00:00
unittests IR: Don't track nullptr on metadata RAUW 2014-12-12 19:24:33 +00:00
utils Now that we require a newer python, use the new exception syntax. 2014-12-12 15:32:23 +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 Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
CMakeLists.txt Adding a new option to CMake to disable C++ atexit on llvm-shlib. 2014-12-09 18:49:55 +00:00
CODE_OWNERS.TXT Tom Stellard is now the code owner for libclc. 2014-12-12 01:11:48 +00:00
configure Require python 2.7. 2014-12-12 15:29:31 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
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 Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
README.txt [TEST-COMMIT] As per Developer Policy, Added a blank line. 2014-12-06 00:38:39 +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.