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LLVM backend for 6502
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0afd0bc5fa
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Chandler Carruth 0afd0bc5fa [vectorizer] Clean up the handling of unvectorized loop unrolling in the 
LoopVectorize pass.

The logic here doesn't make much sense. We *only* unrolled if the
unvectorized loop was a reduction loop with a single basic block *and*
small loop body. The reduction part in particular doesn't make much
sense. Instead, if we just fall through to the vectorized unroll logic
it makes more sense of unrolling if there is a vectorized reduction that
could be hacked on by the SLP vectorizer *or* if the loop is small.

This is mostly a cleanup and nothing in the test suite really exercises
this, but I did run benchmarks across this change and saw no really
significant changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200198 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-27 08:17:58 +00:00
autoconf
bindings
cmake [CMake] tablegen(): Use -I <dir> according to the list by include_directories(). 2014-01-26 12:41:38 +00:00
docs Updating the getting started guide for Visual Studio a smidge. 2014-01-23 20:46:44 +00:00
examples
include Roll back the ConstStringRef change for now 2014-01-27 05:24:39 +00:00
lib [vectorizer] Clean up the handling of unvectorized loop unrolling in the 2014-01-27 08:17:58 +00:00
projects llvm/projects/CMakeLists.txt: Add dragonegg. 2014-01-24 12:53:08 +00:00
test R600/SI: Add intrinsic for BUFFER_LOAD_DWORD* instructions 2014-01-27 07:20:51 +00:00
tools Rename IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA. 2014-01-27 04:22:24 +00:00
unittests Roll back the ConstStringRef change for now 2014-01-27 05:24:39 +00:00
utils Don't use EnforceSmallerThan for EnforceVectorSubVectorTypeIs. EnforceSmallerThan doesn't handle vectors quite right and should really enforce that vectors have the same number of elements. Add explicit checks for vector element count differing in EnforceVectorSubVectorTypeIs instead. This removes some unnecessary type checks in X86GenDAGISel.inc. 2014-01-25 17:40:33 +00:00
.arcconfig
.clang-format
.gitignore Added .DS_Store entry in .gitignore for ignoring .DS_Store files in the source 2014-01-25 15:15:16 +00:00
CMakeLists.txt [CMake] Introduce new scheme of LLVM_TOOLS_BINARY_DIR and LLVM_LIBRARY_DIR 2014-01-19 12:52:10 +00:00
CODE_OWNERS.TXT
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile Fix bad variable syntax in r199413 2014-01-17 00:40:39 +00:00
Makefile.common
Makefile.config.in
Makefile.rules
README.txt

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