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4 Commits

Author SHA1 Message Date
Paul Robinson 1d412f6457 Reapply r262054 with triple fix. 
llvm-svn: 262069
 2016-02-26 21:18:34 +00:00
Paul Robinson d68c435a5d Revert r262054 on one file that fails sometimes. 
llvm-svn: 262060
 2016-02-26 20:41:07 +00:00
Paul Robinson 51fa0a87c3 Fix tests that used CHECK-NEXT-NOT and CHECK-DAG-NOT. 
FileCheck actually doesn't support combo suffixes.

Differential Revision: http://reviews.llvm.org/D17588

llvm-svn: 262054
 2016-02-26 19:40:34 +00:00
Hao Liu 44e5d7a131 DAGCombiner: Allow the DAGCombiner to combine multiple FDIVs with the same divisor info FMULs by the reciprocal. 
E.g., ( a / D; b / D ) -> ( recip = 1.0 / D; a * recip; b * recip)

A hook is added to allow the target to control whether it needs to do such combine.

Reviewed in http://reviews.llvm.org/D6334

llvm-svn: 222510
 2014-11-21 06:39:58 +00:00