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Duncan P. N. Exon Smith b9ca3aea29 CodeGen: Turn on sentinel tracking for MachineInstr iterators 
This is a prep commit before fixing MachineBasicBlock::reverse_iterator
invalidation semantics, ala r281167 for ilist::reverse_iterator.  This
changes MachineBasicBlock::Instructions to track which node is the
sentinel regardless of LLVM_ENABLE_ABI_BREAKING_CHECKS.

There's almost no functionality change (aside from ABI).  However, in
the rare configuration:

    #if !defined(NDEBUG) && !defined(LLVM_ENABLE_ABI_BREAKING_CHECKS)

the isKnownSentinel() assertions in ilist_iterator<>::operator* suddenly
have teeth for MachineInstr.  If these assertions start firing for your
out-of-tree backend, have a look at the suggestions in the commit
message for r279314, and at some of the commits leading up to it that
avoid dereferencing the end() iterator.

llvm-svn: 281168
2016-09-11 16:38:18 +00:00
bindings Formatting with clang-format patch r280700 2016-09-06 17:03:02 +00:00
cmake [cmake] Fix a stale comment from an earlier version of r281085. NFC. 2016-09-09 19:48:22 +00:00
docs It should also be legal to pass a swifterror parameter to a call as a swifterror 2016-09-10 19:42:53 +00:00
examples Fix singlton -> singleton typo. 2016-08-26 02:00:21 +00:00
include CodeGen: Turn on sentinel tracking for MachineInstr iterators 2016-09-11 16:38:18 +00:00
lib CodeGen: Turn on sentinel tracking for MachineInstr iterators 2016-09-11 16:38:18 +00:00
projects Enable in-tree builds of parallel-libs. 2016-09-09 21:34:12 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Connecting check-all and test-depends targets correctly 2016-09-01 18:26:01 +00:00
test Fixup failing debuginfo test for change in SimplifyCFG. 2016-09-11 09:13:32 +00:00
tools [llvm-cov] Move the 'jump to first unexecuted line' link 2016-09-10 19:37:26 +00:00
unittests CodeGen: Turn on sentinel tracking for MachineInstr iterators 2016-09-11 16:38:18 +00:00
utils [cmake] Export gtest/gtest_main and its dependencies via a special build tree only cmake exports file. 2016-09-09 19:45:34 +00:00
.arcconfig Upgrade all the .arcconfigs to https. 2016-07-14 13:15:37 +00:00
.clang-format
.clang-tidy .clang-tidy: parameters and members should be CamelCased. 2016-09-08 23:29:37 +00:00
.gitignore gitignore: ignore VS Code editor files 2016-09-02 22:54:26 +00:00
CMakeLists.txt Try to fix a circular dependency in the modules build. 2016-09-06 20:16:19 +00:00
CODE_OWNERS.TXT CODE_OWNERS: bring my entry up to date 2016-09-05 17:42:46 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Shamelessly add myself to CREDITS.TXT 2016-08-04 16:28:22 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +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
README.txt Revert rL277454 2016-08-02 13:26:07 +00:00
RELEASE_TESTERS.TXT Adding RELEASE_TESTERS.TXT 2016-07-21 16:46:44 +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 are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.