Andrew Trick f85092c255 indvars: Prototyping Sign/ZeroExtend elimination without canonical IVs. ... No functionality enabled by default. Use -disable-iv-rewrite. Extended IVUsers to keep track of the phi that represents the users' IV. Added the WidenIV transform to replace a narrow IV with a wide IV by doing a one-for-one replacement of IV users instead of expanding the SCEV expressions. [sz]exts are removed and truncs are inserted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131744 91177308-0d34-0410-b5e6-96231b3b80d8		2011-05-20 18:25:42 +00:00
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llvm	indvars: Prototyping Sign/ZeroExtend elimination without canonical IVs.	2011-05-20 18:25:42 +00:00
llvm-c	Declare this function here so that it doesn't get C++ mangling.	2011-05-15 07:20:34 +00:00