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author	Dan Gohman <gohman@apple.com>
	Fri, 19 Feb 2010 18:12:07 +0000 (18:12 +0000)
committer	Dan Gohman <gohman@apple.com>
	Fri, 19 Feb 2010 18:12:07 +0000 (18:12 +0000)
commit	00cb5b724547a821516292fe5cded7c6a5358bda
tree	a7de32f5f0495e9ca18a39599e62d221d4edf950	tree \| snapshot
parent	6b89aa57e6506f073579398bd74845db9463b9f1	commit \| diff

Teach ScalarEvolution how to compute a tripcount for a loop with
true or false as its exit condition. These are usually eliminated by
SimplifyCFG, but the may be left around during a pass which wishes
to preserve the CFG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96683 91177308-0d34-0410-b5e6-96231b3b80d8

external/llvm

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lib/Analysis/ScalarEvolution.cpp		diff \| blob \| history
test/Analysis/ScalarEvolution/trip-count10.ll	[new file with mode: 0644]	blob
test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/2003-12-10-RemoveInstrCrash.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/2003-12-15-Crash.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/2005-11-18-Crash.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/2006-12-10-BitCast.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/2009-05-24-useafterfree.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/avoid-i0.ll		diff \| blob \| history
test/Transforms/IndVarSimplify/max-pointer.ll		diff \| blob \| history