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Fiona Glaser a4b0d0e4db Loop Unroll: add options and tweak to make Partial unrolling more useful 
1. Add FullUnrollMaxCount option that works like MaxCount, but also limits
   the unroll count for fully unrolled loops. So if a loop has an iteration
   count over this, it won't fully unroll.
2. Add CLI options for MaxCount and the new option, so they can be tested
   (plus a test).
3. Make partial unrolling obey MaxCount.

An example use-case (the out of tree one this is originally designed for) is
a target’s TTI can analyze a loop and decide on a max unroll count separate
from the size threshold, e.g. based on register pressure, then constrain
LoopUnroll to not exceed that, regardless of the size of the unrolled loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265562 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-06 16:57:25 +00:00
bindings [OCaml] Use LLVMCreateMessage with constant strings when calling llvm_raise 2016-04-01 07:56:17 +00:00
cmake [CMake] Provide the ability to skip stripping when generating dSYMs 2016-03-31 20:03:19 +00:00
docs AMDGPU: Document address space mapping 2016-04-06 01:29:19 +00:00
examples [Kaleidoscope] Rename Error -> LogError in Chapters 2-5. 2016-03-25 17:41:26 +00:00
include Loop Unroll: add options and tweak to make Partial unrolling more useful 2016-04-06 16:57:25 +00:00
lib Loop Unroll: add options and tweak to make Partial unrolling more useful 2016-04-06 16:57:25 +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 Revert r265450 "[X86] Reuse EFLAGS and form LOCKed ops when only user is SETCC." 2016-04-06 16:44:38 +00:00
tools Revert "[AMDGPU] llvm-objdump: Minimal HSA Code Object disassembler support." 2016-04-06 16:30:21 +00:00
unittests IRMover: Steal arguments when moving functions, NFC 2016-04-06 06:38:15 +00:00
utils fixed to discard earlier advertising 2016-04-05 19:50:21 +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 dos2unix CMakeLists.txt 2016-03-28 18:19:32 +00:00
CODE_OWNERS.TXT Update owners to reflect recent changes 2016-04-01 20:40:49 +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 copyright year to 2016. 2016-03-30 22:41:06 +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 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.