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Author SHA1 Message Date
Hal Finkel 6c39269a4c [PowerPC] Fold [sz]ext with fp_to_int lowering where possible 
On modern cores with lfiw[az]x, we can fold a sign or zero extension from i32
to i64 into the load necessary for an i64 -> fp conversion.

llvm-svn: 225493
 2015-01-09 01:34:30 +00:00