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LLVM backend for 6502
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31b1bdbd95
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Matt Arsenault 31b1bdbd95 Add DAG combine for shl + add of constants. 
Do
 (shl (add x, c1), c2) -> (add (shl x, c2), c1 << c2)

This is already done for multiplies, but since multiplies
by powers of two are turned into shifts, we also need
to handle it here.

This might want checks for isLegalAddImmediate to avoid
transforming an add of a legal immediate with one that isn't.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217610 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-11 17:34:19 +00:00
autoconf Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
bindings Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
cmake Don't attempt to run llvm-config in cmake/modules/Makefile when doing 2014-09-10 11:09:23 +00:00
docs [docs] Mention character array constants in docs/LangRef.rst 2014-09-11 12:02:59 +00:00
examples Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
include Use CostPool::PoolRef typedef some more 2014-09-11 00:08:54 +00:00
lib Add DAG combine for shl + add of constants. 2014-09-11 17:34:19 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test Add DAG combine for shl + add of constants. 2014-09-11 17:34:19 +00:00
tools Added missing LLVM_NOEXCEPT to the definition of _obj2yaml_error_category::name 2014-09-11 17:19:54 +00:00
unittests Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
utils utils: Teach lldbDataFormatters how to format ArrayRefs 2014-09-11 01:47:38 +00:00
.arcconfig
.clang-format
.clang-tidy Add .clang-tidy configuration file to provide LLVM-optimized defaults for 2014-09-08 13:30:00 +00:00
.gitignore
CMakeLists.txt Enabling LLVM & Clang to be cross-compiled using CMake from a single configuration command line 2014-09-03 23:21:18 +00:00
CODE_OWNERS.TXT Add a sentence that all entries should include an email address. 2014-08-04 19:33:25 +00:00
configure Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
README.txt

README.txt 

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