[PATCH] D77083: [MLIR] Add pattern rewriter util to erase block; add affine.if pattern to remove dead else blocks

[Uday Bondhugula via Phabricator via llvm-commits]

bondhugula added inline comments.


================
Comment at: mlir/lib/Dialect/Affine/IR/AffineOps.cpp:1577
+    if (ifOp.elseRegion().empty() ||
+        ifOp.getElseBlock()->getOperations().size() > 1)
+      return failure();
----------------
rriddle wrote:
> bondhugula wrote:
> > rriddle wrote:
> > > Please use has_single_element instead. size() is O(N).
> > Thanks. 
> I think you could just do: *ifOp.getElseBlock()
Thanks. 


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77083/new/

https://reviews.llvm.org/D77083