[PATCH] D20658: MemorySSA: Revert r269678 and r268068; replace with special casing in MemorySSA.

[Peter Collingbourne via llvm-commits]

pcc added inline comments.

================
Comment at: llvm/trunk/test/Transforms/LICM/assume.ll:17
@@ +16,3 @@
+if.then27:
+; CHECK: tail call void @llvm.assume
+  tail call void @llvm.assume(i1 %p)
----------------
aaboud wrote:
> I am not sure what this test it checking?
> Can you explain it ?
> 
> Thanks
This test is checking that the licm pass does not remove calls to llvm.assume when hoisting code out of a loop. This was one of the regressions caused by r268068.


Repository:
  rL LLVM

http://reviews.llvm.org/D20658