Jim Grosbach d1f1b79b52 Allow InstAlias's to use immediate matcher patterns that xform the value. ...

For example,

On ARM, "mov r3, #-3" is an alias for "mvn r3, #2", so we want to use a
matcher pattern that handles the bitwise negation when mapping to t2MVNi.

llvm-svn: 143233

2011-10-28 22:32:53 +00:00

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