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David Majnemer 891ec6d69f InstSimplify: shl nsw/nuw undef, %V -> undef
We can always choose an value for undef which might cause %V to shift
out an important bit except for one case, when %V is zero.

However, shl behaves like an identity function when the right hand side
is zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224405 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-17 01:54:33 +00:00
autoconf
bindings Go bindings: introduce Value.ConstantAsMetadata. 2014-12-13 02:25:57 +00:00
cmake
docs IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
examples
include [CodeGenPrepare] Reapply r224351 with a fix for the assertion failure: 2014-12-17 01:36:17 +00:00
lib InstSimplify: shl nsw/nuw undef, %V -> undef 2014-12-17 01:54:33 +00:00
projects
test InstSimplify: shl nsw/nuw undef, %V -> undef 2014-12-17 01:54:33 +00:00
tools Add printing the LC_ENCRYPTION_INFO_64 load command with llvm-objdump’s -private-headers 2014-12-17 01:01:30 +00:00
unittests Remove 'metadata' from comments 2014-12-16 07:45:05 +00:00
utils On behalf of Matthew Wahab: 2014-12-16 18:16:17 +00:00
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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.