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Commit e712a2f6 authored by Dan Gohman's avatar Dan Gohman
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Add three new helper routines, getNoopOrZeroExtend, 

getNoopOrSignExtend, and getTruncateOrNoop. These are similar
to getTruncateOrZeroExtend etc., except that they assert that
the conversion is either not widening or narrowing, as
appropriate. These will be used in some upcoming fixes.

llvm-svn: 71632
parent 46813bbf
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