[PATCH] D16090: [SelectionDAG] Fold more offsets into GlobalAddresses

[Matt Arsenault via llvm-commits]

arsenm added inline comments.

================
Comment at: lib/CodeGen/SelectionDAG/DAGCombiner.cpp:397
@@ +396,3 @@
+    /// Match "(X shl/srl V1) & V2" where V2 may not be present.
+    bool MatchRotateHalf(SDValue Op, SDValue &Shift, SDValue &Mask);
+
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arsenm wrote:
> I think it would be better to move this to either SelectionDAG (or maybe TLI). It should be generally useful to targets
By this I mean isConstantIntBuildVectorOrConstantInt, not MatchRotateHalf


Repository:
  rL LLVM

http://reviews.llvm.org/D16090