[PATCH] D16809: [JumpThreading] See through Cast Instructions

Haicheng Wu via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 4 12:55:31 PST 2016

haicheng added a comment.

In http://reviews.llvm.org/D16809#344366, @gberry wrote:

> It is not clear to me from looking at the added test case what new optimization is being added.  I would expect to see some CHECKs of new folded constants if I understand the change correctly.

This patch allows the Entry block threads over the merge block.  See the first CHECK-NEXT



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