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Commit a66403db authored by Chris Lattner's avatar Chris Lattner
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For values that are live across basic blocks and need promotion, use ANY_EXTEND 

instead of ZERO_EXTEND to eliminate extraneous extensions.  This eliminates
dead zero extensions on formal arguments and other cases on PPC, implementing
the newly tightened up test/Regression/CodeGen/PowerPC/small-arguments.ll test.

llvm-svn: 23205
parent 7753f175
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