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2 Commits

Author SHA1 Message Date
Matt Arsenault
fa1f8e81fb Add triple to test to fix bots 
llvm-svn: 217612
 2014-09-11 17:50:20 +00:00
Matt Arsenault
dbc82e3483 Add DAG combine for shl + add of constants. 
Do
 (shl (add x, c1), c2) -> (add (shl x, c2), c1 << c2)

This is already done for multiplies, but since multiplies
by powers of two are turned into shifts, we also need
to handle it here.

This might want checks for isLegalAddImmediate to avoid
transforming an add of a legal immediate with one that isn't.

llvm-svn: 217610
 2014-09-11 17:34:19 +00:00