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LLVM backend for 6502
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79b37835f9
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Kay Tiong Khoo 79b37835f9 Improved fix for PR17827 (instcombine of shift/and/compare). 
This change fixes the case of arithmetic shift right - do not attempt to fold that case.
This change also relaxes the conditions when attempting to fold the logical shift right and shift left cases.

No additional IR-level test cases included at this time. See http://llvm.org/bugs/show_bug.cgi?id=17827 for proofs that these are correct transformations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-19 18:07:17 +00:00
autoconf Update to reflect the next release. 2013-11-20 10:10:50 +00:00
bindings [OCaml] Add a slash accidentally omitted from Makefile 2013-11-28 09:03:28 +00:00
cmake Revert r197682, "[CMake] Introduce LIT in add_lit_target." 2013-12-19 17:11:08 +00:00
docs Begin adding docs and IR-level support for the inalloca attribute 2013-12-19 02:14:12 +00:00
examples [CMake] Update LLVM_LINK_COMPONENTS for each CMakeLists.txt. 2013-12-10 11:13:32 +00:00
include Add support for positionally-encoded operands to FixedLenDecoderEmitter 2013-12-19 16:12:53 +00:00
lib Improved fix for PR17827 (instcombine of shift/and/compare). 2013-12-19 18:07:17 +00:00
projects
test Move testcase to the appropriate X86 subdirectory. 2013-12-19 17:09:05 +00:00
tools llvm-config: Don't show build tree with --obj-root for installed llvm-config. Show $(prefix) instead. 2013-12-19 16:02:28 +00:00
unittests Introduce clean-ups in llvm/unittests/Makefile.unittest, to sweep stray *Tests. 2013-12-19 07:09:28 +00:00
utils Add support for positionally-encoded operands to FixedLenDecoderEmitter 2013-12-19 16:12:53 +00:00
.arcconfig
.clang-format
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CMakeLists.txt [CMake] Introduce LLVM_RUNTIME_OUTPUT_INTDIR and LLVM_LIBRARY_OUTPUT_INTDIR to reduce references to CMAKE_CFG_INTDIR. 2013-12-16 16:03:08 +00:00
CODE_OWNERS.TXT Update email address. 2013-12-04 09:42:49 +00:00
configure Update to reflect the next release. 2013-11-20 10:10:50 +00:00
CREDITS.TXT Update CREDITS 2013-11-17 11:44:36 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile llvm-config: Fixup r197380, tweak for cross compilation. SYSTEM_LIBS should be --host's in BuildTools/llvm-config. 2013-12-16 13:09:06 +00:00
Makefile.common
Makefile.config.in
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README.txt

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