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Jakob Stoklund Olesen 0f855e4263 Implement PPCInstrInfo::isCoalescableExtInstr(). 
The PPC::EXTSW instruction preserves the low 32 bits of its input, just
like some of the x86 instructions. Use it to reduce register pressure
when the low 32 bits have multiple uses.

This requires a small change to PeepholeOptimizer since EXTSW takes a
64-bit input register.

This is related to PR5997.

llvm-svn: 158743
 		2012-06-19 21:14:34 +00:00
..
autoconf Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
bindings [python] Add negative MemoryBuffer testcase 2012-03-22 11:23:52 +00:00
cmake TableGen.cmake: Fix to work without LLVM_COMMON_DEPENDS. 2012-06-17 15:41:56 +00:00
docs Indent coding examples. 2012-06-19 17:48:06 +00:00
examples Fix typos found by http://github.com/lyda/misspell-check 2012-06-02 10:20:22 +00:00
include Move the support for using .init_array from ARM to the generic 2012-06-19 00:48:28 +00:00
lib Implement PPCInstrInfo::isCoalescableExtInstr(). 2012-06-19 21:14:34 +00:00
projects Add mipsel-* to the list of targets recognized by configure script. 2012-06-18 19:06:25 +00:00
runtime Free the allocated filename. Found by clang static analyzer. 2012-06-15 09:11:47 +00:00
test Implement PPCInstrInfo::isCoalescableExtInstr(). 2012-06-19 21:14:34 +00:00
tools Move the support for using .init_array from ARM to the generic 2012-06-19 00:48:28 +00:00
unittests Fix PR13148, an inf-loop in StringMap. 2012-06-19 17:40:35 +00:00
utils New test tool: obj2yaml 2012-06-19 18:02:35 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt New test tool: obj2yaml 2012-06-19 18:02:35 +00:00
CREDITS.TXT Updating the credits after r158717 2012-06-19 13:52:33 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +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 - Added ExecutionEngine/MCJIT tests 2012-05-17 21:07:47 +00:00
Makefile.rules llvm-ld does not exist anymore, use llvm-link instead. 2012-05-23 20:34:19 +00:00
README.txt Testing commit access 2012-05-24 14:20:13 +00:00
configure Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +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.