3 Commits

Author SHA1 Message Date
Chad Rosier
503ec9826c Revert "[Reassociate] As the expression tree is rewritten make sure the operands are"
This reverts commit r222142.  This is causing/exposing an execution-time regression
in spec2006/gcc and coremark on AArch64/A57/Ofast.

Conflicts:

	test/Transforms/Reassociate/optional-flags.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222398 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-19 23:21:20 +00:00
Chad Rosier
14915fe523 [Reassociate] As the expression tree is rewritten make sure the operands are
emitted in canonical form.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222142 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-17 16:33:50 +00:00
Chad Rosier
3b41039163 [Reassociation] Add support for reassociation with unsafe algebra.
Vector instructions are (still) not supported for either integer or floating
point.  Hopefully, that work will be landed shortly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215647 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-14 15:23:01 +00:00