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Dan Gohman d6c04461a4 Fix GetMinTrailingZeros for SCEVSignExtend and SCEVZeroExtendExpr to 
return the correct value when the cast operand is all zeros. This ought
to be pretty rare, because it would mean that the regular SCEV folding
routines missed a case, though there are cases they might legitimately
miss. Also, it's unlikely anything currently using GetMinTrailingZeros
cares about this case.

llvm-svn: 71532
 		2009-05-12 01:23:18 +00:00
clang wrap up a version of the man page that is minimally helpful, but somewhat complete. 2009-05-12 00:47:40 +00:00
llvm Fix GetMinTrailingZeros for SCEVSignExtend and SCEVZeroExtendExpr to 2009-05-12 01:23:18 +00:00