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Matthias Braun 7adbf112c7 ScheduleDAGInstrs: Rework schedule graph builder. 
Re-comitting with a change that avoids undefined uses getting put into
the VRegUses list.

The new algorithm remembers the uses encountered while walking backwards
until a matching def is found. Contrary to the previous version this:
- Works without LiveIntervals being available
- Allows to increase the precision to subregisters/lanemasks
  (not used for now)

The changes in the AMDGPU tests are necessary because the R600 scheduler
is not stable with respect to the order of nodes in the ready queues.

Differential Revision: http://reviews.llvm.org/D9068

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254683 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-04 01:51:19 +00:00
autoconf [autoconf] Fix MinGW build 2015-11-28 00:54:12 +00:00
bindings Fix llvm-config to adapt to the install environment. 2015-11-09 23:15:38 +00:00
cmake [CMake] Fixing bots 2015-12-03 22:55:36 +00:00
docs [llvm-profdata] Add support for weighted merge of profile data 2015-12-04 00:00:20 +00:00
examples examples: Remove implicit ilist iterator conversions, NFC 2015-11-07 00:55:46 +00:00
include ScheduleDAGInstrs: Rework schedule graph builder. 2015-12-04 01:51:19 +00:00
lib ScheduleDAGInstrs: Rework schedule graph builder. 2015-12-04 01:51:19 +00:00
projects [CMake] Disable adding the test suite as a projects subdirectory 2015-10-28 18:36:56 +00:00
resources
test ScheduleDAGInstrs: Rework schedule graph builder. 2015-12-04 01:51:19 +00:00
tools Simplify the error handling in llvm-lto a bit. 2015-12-04 00:45:57 +00:00
unittests [llvm-profdata] Add support for weighted merge of profile data 2015-12-04 00:00:20 +00:00
utils [TableGen] Remove an assumption about the order of encodings in the MVT::SimpleValueType enum. Instead of assuming the types are sorted by size, scan the typeset arrays to find the smallest/largest type. NFC 2015-12-03 05:57:37 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt [CMake] Add option LLVM_EXTERNALIZE_DEBUGINFO 2015-12-03 18:45:39 +00:00
CODE_OWNERS.TXT Friendly takeover of the Hexagon backend 2015-12-03 17:07:12 +00:00
configure [autoconf] Fix MinGW build 2015-11-28 00:54:12 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules Create Makefile variables for 'share' and 'libexec' 2015-11-09 16:10:00 +00:00
README.txt Test commit after password reset 2015-11-11 19:24:08 +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.