David Majnemer 48e2671cb6 [Reassociate] Canonicalizing 'x [+-] (-Constant * y)' isn't always a win ... Canonicalizing 'x [+-] (-Constant * y)' is not a win if we don't *know* we will open up CSE opportunities. If the multiply was 'nsw', then negating 'y' requires us to clear the 'nsw' flag. If this is actually worth pursuing, it is probably more appropriate to do so in GVN or EarlyCSE. This fixes PR23675. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238397 91177308-0d34-0410-b5e6-96231b3b80d8		2015-05-28 06:16:39 +00:00
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InstCombine	[InstCombine] Don't eagerly propagate nsw for A*B+A*C => A*(B+C)	2015-05-22 23:02:11 +00:00
Instrumentation	Final fix for PR 23499 and IR test case.	2015-05-27 19:34:01 +00:00
IPO	Remove conflicting attributes before adding deduced readonly/readnone	2015-05-25 19:46:38 +00:00
ObjCARC	Change Function::getIntrinsicID() to return an Intrinsic::ID. NFC.	2015-05-20 17:16:39 +00:00
Scalar	[Reassociate] Canonicalizing 'x [+-] (-Constant * y)' isn't always a win	2015-05-28 06:16:39 +00:00
Utils	Extend EarlyCSE to handle basic cases from JumpThreading and CVP	2015-05-22 23:53:24 +00:00
Vectorize	Change Function::getIntrinsicID() to return an Intrinsic::ID. NFC.	2015-05-20 17:16:39 +00:00
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