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Author SHA1 Message Date
Peter Collingbourne 95fd2ca69f Annotate imprecise FP division with fpaccuracy metadata 
The OpenCL single precision division operation is only required to
be accurate to 2.5ulp.  Annotate the fdiv instruction with metadata
which signals to the backend that an imprecise divide instruction
may be used.

llvm-svn: 143136
 2011-10-27 19:19:51 +00:00