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David Majnemer 47bc554474 [SimplifyCFG] Use a more elegant solution than r261731 
The cleanupret instruction has an invariant that it's 'from' operand be
a cleanuppad.  This invariant was violated when we removed a dead block
which removed a cleanuppad leaving behind a cleanupret with an undef
'from' operand.

This was solved in r261731 by staving off the removal of the dead block
to a later pass.

However, it occured to me that we do not need to do this.
Instead, we can simply avoid processing the cleanupret if it has an
undef 'from' operand because we know that it will be removed soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261754 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-24 17:30:48 +00:00
bindings Kill LLVMAddTargetData 2016-02-16 00:22:02 +00:00
cmake cmake: Simplify the iOS.cmake toolchain 2016-02-12 23:36:05 +00:00
docs [doc] Obtaining help on LLVM's CUDA support. 2016-02-23 23:34:49 +00:00
examples Remove autoconf support 2016-01-26 21:29:08 +00:00
include NFC. Move isDereferenceable to Loads.h/cpp 2016-02-24 12:49:04 +00:00
lib [SimplifyCFG] Use a more elegant solution than r261731 2016-02-24 17:30:48 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +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 [X86][SSSE3] Added target shuffle combine tests for SSE3/SSSE3 specific shuffles. 2016-02-24 17:08:59 +00:00
tools Fix some abuse of auto flagged by clang's -Wrange-loop-analysis. 2016-02-22 13:11:58 +00:00
unittests [PM] Remove an overly aggressive assert now that I can actually test the 2016-02-23 10:47:57 +00:00
utils Fix comment 2016-02-23 19:18:21 +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 adding readability-identifier-naming to llvm clang-tidy configuration. 2015-12-08 17:44:51 +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] Create an install-distribution target driven by LLVM_DISTRIBUTION_COMPONENTS 2016-02-23 20:33:53 +00:00
CODE_OWNERS.TXT [docs] Remove references to autotools build. 2016-01-30 01:10:15 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +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 Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Revert previous test commit. 2016-01-04 19:13:29 +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.