[PATCH] D13732: Combining DIV+REM->DIVREM doesn't belong in LegalizeDAG; move it over into DAGCombiner.

[A. Skrobov via llvm-commits]

tyomitch created this revision.
tyomitch added reviewers: sunfish, RKSimon, eli.friedman.
tyomitch added a subscriber: llvm-commits.

As DIVREM nodes now appear at a different time, this patch breaks a few tests.
The two following patches fix them.
I'm going to commit the three as a single patch, but I'm splitting them out for ease of reviewing.

http://reviews.llvm.org/D13732

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp

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