[PATCH] D61089: [Reassociation] Place moved instructions after landing pads

[David Greene via Phabricator via llvm-commits]

greened marked an inline comment as done.
greened added inline comments.


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Comment at: llvm/lib/Transforms/Scalar/Reassociate.cpp:874
+      // the landingpad.
+      while (isa<PHINode>(InsertPt) || isa<LandingPadInst>(InsertPt))
+        ++InsertPt;
----------------
efriedma wrote:
> Explicitly checking for LandingPad isn't sufficient on Windows.  There are two issues: one, you need to use isEHPad() to check for all the relevant exception-handling instructions, and two, you can't insert a negate into a block with a catchswitch.
This code moves the negate around within the local block, so presumably the negate is already in the block and therefore there should be no `catchswitch`, right?

I will update this to use `isEHPad`.  Thanks!


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61089/new/

https://reviews.llvm.org/D61089