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LLVM backend for 6502
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Chandler Carruth 9b187c9b9b [SDAG] Build up a more rich set of APIs for querying build-vector SDAG 
nodes about whether they are splats. This is factored out and improved
from r212324 which got reverted as it was far too aggressive. The new
API should help more conservatively handle buildvectors that are
a mixture of splatted and undef values.

No functionality change at this point. The hope is to slowly
re-introduce the undef-tolerant optimization of splats, but each time
being forced to make a concious decision about how to handle the undefs
in a way that doesn't lead to contradicting assumptions about the
collapsed value.

Hal has pointed out in discussions that this may not end up being the
desired API and instead it may be more convenient to get a mask of the
undef elements or something similar. I'm starting simple and will expand
the API as I adapt actual callers and see exactly what they need.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212514 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-08 07:19:55 +00:00
autoconf
bindings [OCaml] Documentation improvements. 2014-07-02 22:17:20 +00:00
cmake [CMake] Introduce LLVM_ENABLE_PLUGINS as an internal option. BUILD_SHARED_LIBS may not control enable/disable plugins. 2014-07-04 04:45:40 +00:00
docs fixed typos 2014-07-04 19:40:43 +00:00
examples
include [SDAG] Build up a more rich set of APIs for querying build-vector SDAG 2014-07-08 07:19:55 +00:00
lib [SDAG] Build up a more rich set of APIs for querying build-vector SDAG 2014-07-08 07:19:55 +00:00
projects
test [X86] AVX512: Only allow k1-k7 as predicates to vpcmp* 2014-07-08 00:22:32 +00:00
tools Use raw_fd_ostream instead of std::ofstream. 2014-07-07 20:34:51 +00:00
unittests These should be EXPECT_TRUE, not EXPECT_FALSE. Amends r212415. 2014-07-06 20:20:02 +00:00
utils [testing]: lld generally lives in tools/, so fix llvm-lit. 2014-07-07 15:26:53 +00:00
.arcconfig
.clang-format
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt [CMake] Introduce LLVM_SHLIB_OUTPUT_INTDIR. 2014-07-04 04:23:26 +00:00
CODE_OWNERS.TXT
configure Touch configure to force clang's config.h.in reconfiguration on the build servers 2014-06-06 10:36:38 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules [Make] Fix dependencies for td.expanded 2014-06-20 19:00:41 +00:00
README.txt

README.txt 

Low Level Virtual Machine (LLVM)
================================

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