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Fork of llvm with experimental commits and workarounds for RPCS3
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Andrew Trick 865d5c0a6d misched: Added 3-level regpressure back-off. 
Introduce the basic strategy for register pressure scheduling.

1) Respect target limits at all times.

2) Indentify critical register classes (pressure sets).
   Track pressure within the scheduled region.
   Avoid increasing scheduled pressure for critical registers.

3) Avoid exceeding the max pressure of the region prior to scheduling.

Added logic for picking between the top and bottom ready Q's based on
regpressure heuristics.

Status: functional but needs to be asjusted to achieve good results.
llvm-svn: 157006
2012-05-17 18:35:10 +00:00
autoconf Revert r156393, "[tests] Remove some remaining DejaGNU related cruft.", this 2012-05-08 18:26:07 +00:00
bindings [python] Add negative MemoryBuffer testcase 2012-03-22 11:23:52 +00:00
cmake Adding -fcolor-diagnostics is causing problem to users that parse the build 2012-05-08 18:11:06 +00:00
docs Fixed grammar for the llvm.trap intrinsic description. 2012-05-16 00:26:51 +00:00
examples Remove llvm-ld and llvm-stub (which is only used by llvm-ld). 2012-04-19 19:27:54 +00:00
include [Hexagon] Clean up Hexagon ELF definition. 2012-05-17 16:46:46 +00:00
lib misched: Added 3-level regpressure back-off. 2012-05-17 18:35:10 +00:00
projects Update all outdated autoconf files in the sample project. 2012-05-05 15:02:39 +00:00
runtime Switch to c-style comments in a C file. 2012-04-27 19:30:29 +00:00
test Remove incorrect pattern for ARM SMML instruction. 2012-05-17 13:12:13 +00:00
tools Added LLIMCJITMemoryManager to the lli. This manager will be used for MCJIT instead of DefaultJIMMemoryManager. 2012-05-16 18:50:11 +00:00
unittests Disable JITTest.FunctionIsRecompiledAndRelinked and JITTest.NoStubs 2012-05-16 19:07:55 +00:00
utils enhance the intrinsic info stuff to emit encodings that don't fit in 32-bits into a 2012-05-17 15:55:41 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt Make it possible to switch off solution folders. VS Express does not support 2012-05-09 15:10:54 +00:00
configure Revert r156393, "[tests] Remove some remaining DejaGNU related cruft.", this 2012-05-08 18:26:07 +00:00
CREDITS.TXT Update the documentation of CellSPU, in case it gets removed in 3.1. 2012-04-29 20:00:55 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Do not install llvm-config-host for cross-builds of clang. rdar://11317847 2012-05-09 00:07:02 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in Make IntelJITEvents and OProfileJIT as optional libraries and add 2012-05-07 19:38:40 +00:00
Makefile.rules Make IntelJITEvents and OProfileJIT as optional libraries and add 2012-05-07 19:38:40 +00:00
README.txt test commit 2012-03-20 13:12:38 +00:00

README.txt 

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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.