e503319874f57ab4a0354521b03a71cf8e07b866 - platform_external_llvm

commit	e503319874f57ab4a0354521b03a71cf8e07b866	[log] [tgz]
author	Nadav Rotem <nrotem@apple.com>	Fri Jan 04 17:48:25 2013 +0000
committer	Nadav Rotem <nrotem@apple.com>	Fri Jan 04 17:48:25 2013 +0000
tree	6d6b818c02185f5523b3cde95373bb1beb36432a
parent	e12bf1875481b02d07b6ce9c153ec3410068e234 [diff]

LoopVectorizer:

1. Add code to estimate register pressure.
2. Add code to select the unroll factor based on register pressure.
3. Add bits to TargetTransformInfo to provide the number of registers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171469 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/TargetTransformImpl.h[diff]
include/llvm/TargetTransformInfo.h[diff]
lib/Target/TargetTransformImpl.cpp[diff]
lib/Target/X86/X86ISelLowering.cpp[diff]
lib/Target/X86/X86ISelLowering.h[diff]
lib/Transforms/Vectorize/LoopVectorize.cpp[diff]
lib/Transforms/Vectorize/LoopVectorize.h[diff]
test/Transforms/LoopVectorize/X86/gcc-examples.ll[diff]
test/Transforms/LoopVectorize/gcc-examples.ll[diff]

9 files changed

tree: 6d6b818c02185f5523b3cde95373bb1beb36432a