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llvm-6502/test/CodeGen/X86/machine-cse.ll
Evan Cheng bf34a5ec22 sext(undef) = 0, because the top bits will all be the same. 
zext(undef) = 0, because the top bits will be zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127649 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-15 02:22:10 +00:00

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