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LLVM backend for 6502
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Adam Nemet a65ca9dcf0 [X86] Add peephole for masked rotate amount 
Extend what's currently done for shift because the HW performs this masking
implicitly:

   (rotl:i32 x, (and y, 31)) -> (rotl:i32 x, y)

I use the newly factored out multiclass that was only supporting shifts so
far.

For testing I extended my testcase for the new rotation idiom.

<rdar://problem/15295856>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203718 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-12 21:20:55 +00:00
autoconf Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
bindings
cmake Use -std=gnu++11 on cygwin and mingw. 2014-03-12 20:01:15 +00:00
docs Reject alias to undefined symbols in the verifier. 2014-03-12 20:15:49 +00:00
examples Fix warnings about an variable only used in asserts. 2014-03-06 06:35:46 +00:00
include Profile: Avoid an unnecessary __attribute__((packed)) 2014-03-12 20:40:14 +00:00
lib [X86] Add peephole for masked rotate amount 2014-03-12 21:20:55 +00:00
projects "Mac OS/X" -> "Mac OS X" spelling fixes for llvm. 2014-03-07 18:08:54 +00:00
test [X86] Add peephole for masked rotate amount 2014-03-12 21:20:55 +00:00
tools Profile: Remove an inefficient and unnecessary API function 2014-03-12 20:26:37 +00:00
unittests unittests: Fix -Werror build 2014-03-12 17:00:52 +00:00
utils [lit] Fix non-function style print statement. 2014-03-11 14:05:49 +00:00
.arcconfig
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.gitignore
CMakeLists.txt move WITH_POLLY option before add_subdirectory(tools) 2014-03-11 22:42:07 +00:00
CODE_OWNERS.TXT Add myself as owner for libc++ 2014-02-18 14:03:17 +00:00
configure Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
CREDITS.TXT Fix documentation typos 2013-12-20 00:33:39 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules Use -std=gnu++11 on cygwin and mingw. 2014-03-12 20:01:15 +00:00
README.txt

README.txt 

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