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(parent: abb3335) | patch
[Reassociate] Canonicalize negative constants out of expressions.
authorChad Rosier <mcrosier@codeaurora.org>
Tue, 11 Nov 2014 22:58:35 +0000 (22:58 +0000)
committerChad Rosier <mcrosier@codeaurora.org>
Tue, 11 Nov 2014 22:58:35 +0000 (22:58 +0000)
commit2244d9a5d25dbb9290250935eec6a319c0026c49
tree82fb98251123e8a56c34c90b86e8ded8119054edtree | snapshot
parentabb3335f6dc853af80185282e8ca37b8bd5e5b75commit | diff
[Reassociate] Canonicalize negative constants out of expressions.

This is a reapplication of r221171, but we only perform the transformation
on expressions which include a multiplication.  We do not transform rem/div
operations as this doesn't appear to be safe in all cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221721 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/Reassociate.cpp diff | blob | history
test/Transforms/Reassociate/basictest.ll diff | blob | history
test/Transforms/Reassociate/canonicalize-neg-const.ll [new file with mode: 0644] blob
test/Transforms/Reassociate/liftsign.ll [deleted file] blob | history
test/Transforms/Reassociate/wrap-flags.ll diff | blob | history
external/llvm
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