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Commit Graph

Author	SHA1	Message	Date
Dan Gohman	c2695eba57	Revert 72493 and replace it with a more conservative fix, for now: don't rewrite the comparison if there is any implicit extension or truncation on the induction variable. I'm planning for IVUsers to eventually take over some of the work of this code, and for it to be generalized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72496 91177308-0d34-0410-b5e6-96231b3b80d8	2009-05-27 21:10:47 +00:00
Dan Gohman	ead28bd04b	In ChangeCompareStride, when the stride to be reused is truncated to a smaller type, promoted its offset back up to the type of the new comparison. This fixes PR4222. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72493 91177308-0d34-0410-b5e6-96231b3b80d8	2009-05-27 20:00:18 +00:00

Author

SHA1

Message

Date

Dan Gohman

c2695eba57

Revert 72493 and replace it with a more conservative fix, for now: don't

rewrite the comparison if there is any implicit extension or truncation
on the induction variable. I'm planning for IVUsers to eventually take
over some of the work of this code, and for it to be generalized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72496 91177308-0d34-0410-b5e6-96231b3b80d8

2009-05-27 21:10:47 +00:00

Dan Gohman

ead28bd04b

In ChangeCompareStride, when the stride to be reused is truncated to

a smaller type, promoted its offset back up to the type of the new
comparison. This fixes PR4222.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72493 91177308-0d34-0410-b5e6-96231b3b80d8

2009-05-27 20:00:18 +00:00

2 Commits