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LLVM backend for 6502
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Jakob Stoklund Olesen 7e899cbb91 Correctly terminate a physreg redefined by an early clobber. 
I don't have a test that fails because of this, but a test case like
CodeGen/X86/2009-12-01-EarlyClobberBug.ll exposes the problem.  EAX is
redefined by a tied early clobber operand on inline asm, and the live
range should look like this:

  %EAX,inf = [48r,64e:0)[64e,80r:1)  0@48r 1@64e

Previously, the two values got merged:

  %EAX,inf = [48r,80r:0)  0@48r

With this bug fixed, the REDEF_BY_EC VNInfo flag is no longer needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149768 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-04 05:41:20 +00:00
autoconf autoconf: put generated clang files in build dir 2012-02-04 03:00:50 +00:00
bindings Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
cmake CMake: Add the folder "Tablegenning" on llvm-tblgen targets. 2012-01-30 03:01:03 +00:00
docs Add a basic-block autovectorization pass. 2012-02-01 03:51:43 +00:00
examples Update to the new EH system...remove OLD EH code. 2012-02-04 00:29:12 +00:00
include Don't store COPY pointers in VNInfo. 2012-02-04 05:20:49 +00:00
lib Correctly terminate a physreg redefined by an early clobber. 2012-02-04 05:41:20 +00:00
projects Replace the old --with-cxx-* configure options with a single --with-gcc-toolchain 2012-02-03 00:59:30 +00:00
runtime LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
test Boost the effective chain depth of loads and stores. 2012-02-04 04:14:04 +00:00
tools Allow command-line overrides of the target triple with the Mach-O 2012-02-03 06:35:22 +00:00
unittests RefCountedBaseVPTR needs the IntrusiveRefCntPtrInfo as friend, 2012-01-31 19:58:34 +00:00
utils Increment DFAStateEntryTable index for sentinel entry. 2012-02-03 21:08:25 +00:00
.gitignore git: Add tools/lldb to the ignore list. 2011-11-10 22:55:50 +00:00
CMakeLists.txt cmake: update outdated CPack version info 2012-02-04 02:52:48 +00:00
configure autoconf: put generated clang files in build dir 2012-02-04 03:00:50 +00:00
CREDITS.TXT CREDITS.TXT: Add a line. (test commit) 2011-10-29 23:42:14 +00:00
LICENSE.TXT Happy new year 2012! 2012-01-01 08:16:56 +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 Makefile: add missing files to FilesToConfig 2012-01-17 02:56:49 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in capitalize project name, reference bugzilla 2011-12-18 18:50:16 +00:00
Makefile.rules build/make: Ensure make clean removes the LLVMBuild makefile fragment. 2012-02-02 23:27:34 +00:00
README.txt Revert test commit 2012-01-31 23:18:33 +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.