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Jakob Stoklund Olesen d5ad17c42b Add SplitEditor::overlapIntv() to create small ranges where both registers are live. 
If a live range is used by a terminator instruction, and that live range needs
to leave the block on the stack or in a different register, it can be necessary
to have both sides of the split live at the terminator instruction.

Example:

  %vreg2 = COPY %vreg1
  JMP %vreg1

Becomes after spilling %vreg2:

  SPILL %vreg1
  JMP %vreg1

The spill doesn't kill the register as is normally the case.

llvm-svn: 125102
2011-02-08 18:50:21 +00:00
autoconf Windows/DynamicLibrary.inc: Split explicit symbols into explicit_symbols.inc. 2011-02-05 15:11:53 +00:00
bindings Fix OCaml bindings crash, PR8847. 2010-12-23 15:49:26 +00:00
cmake Install only *.cmake files. Don't install .svn directory. 2011-02-07 02:22:23 +00:00
docs implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr. 2011-02-07 16:40:21 +00:00
examples Do not re-test for the existence of pthread.h. 2010-12-23 21:27:22 +00:00
include Add LiveIntervals::shrinkToUses(). 2011-02-08 00:03:05 +00:00
lib Add SplitEditor::overlapIntv() to create small ranges where both registers are live. 2011-02-08 18:50:21 +00:00
projects Regen configure 2010-12-12 21:42:01 +00:00
runtime Implementation of path profiling. 2011-01-29 01:09:53 +00:00
test PostRA antidependence breaker unit test for PR8986. 2011-02-08 17:42:05 +00:00
tools Added bugpoint options: -compile-custom and -compile-command=... 2011-02-08 18:20:48 +00:00
unittests build: Add MAKEFILE_UNITTEST_NO_INCLUDE_COMMON build variable, to be leveraged 2011-02-04 17:12:18 +00:00
utils Implement support for custom target specific asm parsing of operands. 2011-02-07 19:38:32 +00:00
website
.gitignore Cleanup and document .gitignore. 2010-12-17 17:22:50 +00:00
build-for-llvm-top.sh
CMakeLists.txt Moved more stuff to HandleLLVMOptions.cmake 2011-02-05 19:08:42 +00:00
configure Windows/DynamicLibrary.inc: Split explicit symbols into explicit_symbols.inc. 2011-02-05 15:11:53 +00:00
CREDITS.TXT Another git svn dcommit test. This time let's hope it doesn't kill my repo. 2010-12-10 14:45:10 +00:00
LICENSE.TXT 2010 is upon us. 2010-01-09 18:40:31 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Merge System into Support. 2010-11-29 18:16:10 +00:00
Makefile.common
Makefile.config.in autoconf: Add --disable-embed-stdcxx to suppress linking libstdc++.a into llvm.dll with --enable-shared on Cygming. 2010-12-29 03:59:14 +00:00
Makefile.rules Factor the computation of the basename of libraries. This avoids renaming 2011-02-03 22:01:15 +00:00
ModuleInfo.txt Remove trailing space. This is just an excuse to poke the 2010-10-05 20:32:15 +00:00
README.txt Undoing test commit blank space. 2010-09-29 17:39:29 +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.