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5b64093791
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Sanjoy Das 5b64093791 [IndVars] Ignore (s|z)exts that don't extend the induction variable 
`IVVisitor::visitCast` used to have the invariant that if the
instruction it was passed was a sext or zext instruction, the result of
the instruction would be wider than the induction variable.  This is no
longer true after rL275037, so this change teaches `IndVarSimplify` s
implementation of `IVVisitor::visitCast` to work with the relaxed
invariant.

A corresponding change to SimplifyIndVar to preserve the said invariant
after rL275037 would also work, but given how `IVVisitor::visitCast` is
spelled (no indication of said invariant), I figured the current fix is
cleaner.

Fixes PR28935.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278584 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-13 00:58:31 +00:00
bindings [OCaml] Add functions for accessing metadata nodes. 2016-06-22 03:30:24 +00:00
cmake Remove LLVM_ENABLE_LIBCXXABI 2016-08-04 10:24:48 +00:00
docs [libFuzzer] mention one more trophie in LLVM 2016-08-13 00:12:32 +00:00
examples Use the range variant of find instead of unpacking begin/end 2016-08-11 22:21:41 +00:00
include Fix some Clang-tidy modernize-use-using and Include What You Use warnings. 2016-08-13 00:50:41 +00:00
lib [IndVars] Ignore (s|z)exts that don't extend the induction variable 2016-08-13 00:58:31 +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
runtimes [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
test [IndVars] Ignore (s|z)exts that don't extend the induction variable 2016-08-13 00:58:31 +00:00
tools gold: add a cast to appease std::max NFC 2016-08-12 21:56:12 +00:00
unittests Add support to paternmatch for simple const Value cases. 2016-08-12 22:16:05 +00:00
utils Use the range variant of remove_if instead of unpacking begin/end 2016-08-12 04:32:37 +00:00
.arcconfig Upgrade all the .arcconfigs to https. 2016-07-14 13:15:37 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Don't use misc-unused-parameters check on LLVM. 2016-04-13 08:58:52 +00:00
.gitignore [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
CMakeLists.txt Remove LLVM_ENABLE_LIBCXXABI 2016-08-04 10:24:48 +00:00
CODE_OWNERS.TXT test commit 2016-08-02 19:25:17 +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 Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
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.