[PATCH] D17518: [ifcnv] Add comment explaining why it's OK to duplicate convergent MIs in ifcnv.

[Reid Kleckner via llvm-commits]

rnk added a comment.

I'm not sure I understand the comment. This transform is basically turning ifs into predicated instructions, right? And we're basically saying that a predicated convergent operation (threadsync or what have you) is the same as having the operation in a conditional basic block?


http://reviews.llvm.org/D17518