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	Commit message (Collapse)	Author	Age	Files	Lines
*	Rename -disable-iv-rewrite to -enable-iv-rewrite=false in preparation for ↵	Andrew Trick	2011-09-12	1	-1/+1
\| \| \| \| \| \|	default change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139517 91177308-0d34-0410-b5e6-96231b3b80d8
*	indvars -disable-iv-rewrite: bug fix involving weird geps and related cleanup.	Andrew Trick	2011-07-02	1	-4/+6
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134306 91177308-0d34-0410-b5e6-96231b3b80d8
*	Change tests from "opt %s" to "opt < %s" so that opt doesn't see the	Dan Gohman	2009-09-11	1	-1/+1
\| \| \| \| \| \| \| \| \|	input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
*	Use opt -S instead of piping bitcode output through llvm-dis.	Dan Gohman	2009-09-08	1	-1/+1
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81257 91177308-0d34-0410-b5e6-96231b3b80d8
*	Change these tests to feed the assembly files to opt directly, instead	Dan Gohman	2009-09-08	1	-1/+1
\| \| \| \| \| \| \|	of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
*	Back out the change in 64918 that used sign-extensions when promoting	Dan Gohman	2009-02-23	1	-2/+1
\| \| \| \| \| \| \| \| \| \|	trip counts that use signed comparisons. It's not obviously the best approach for preserving trip count information, and at any rate there isn't anything in the tree right now that makes use of that, so for now always using zero-extensions is preferable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65347 91177308-0d34-0410-b5e6-96231b3b80d8
*	Use a sign-extend instead of a zero-extend when promoting a	Dan Gohman	2009-02-18	1	-1/+2
\| \| \| \| \| \| \| \| \| \| \| \| \|	trip count value when the original loop iteration condition is signed and the canonical induction variable won't undergo signed overflow. This isn't required for correctness; it just preserves more information about original loop iteration values. Add a getTruncateOrSignExtend method to ScalarEvolution, following getTruncateOrZeroExtend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64918 91177308-0d34-0410-b5e6-96231b3b80d8
*	Fix a corner case in the new indvars promotion logic: if there	Dan Gohman	2009-02-18	1	-0/+38
	are multiple IV's in a loop, some of them may under go signed or unsigned wrapping even if the IV that's used in the loop exit condition doesn't. Restrict sign-extension-elimination and zero-extension-elimination to only those that operate on the original loop-controlling IV. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64866 91177308-0d34-0410-b5e6-96231b3b80d8