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3 Commits

Author SHA1 Message Date
Arnold Schwaighofer 3d43f66c91 Add more nvcasts 
Tim Northover has told me that they can occur when the compiler cleverly
constructs constants - as demonstrated in the test case.

rdar://21703486

llvm-svn: 241641
 2015-07-07 23:13:18 +00:00
Arnold Schwaighofer 7b315ea3c3 Add CHECK lines to test case 
llvm-svn: 241619
 2015-07-07 19:26:31 +00:00
Arnold Schwaighofer 4bc34b1515 Add a pattern for a nvcast from v2f64 -> v4f32 
Since the NvCast is generated by the selection process the concerns about
endianess and bit reversal don't apply.

rdar://21703486

llvm-svn: 241611
 2015-07-07 18:31:55 +00:00