Handle ext(ext(x)) -> ext(x) immediately, since it's simple.
authorDan Gohman <gohman@apple.com>
Fri, 18 Jun 2010 00:08:30 +0000 (00:08 +0000)
committerDan Gohman <gohman@apple.com>
Fri, 18 Jun 2010 00:08:30 +0000 (00:08 +0000)
commit9e86a735682f3f62ff79291b4673e00cf5f2385b
tree2e2b412fbb4bfe976ff3150aecc0e3a6eba2e45a
parent0a13b89b2480043f375b14fa25457c30cdea1e38
Handle ext(ext(x)) -> ext(x) immediately, since it's simple.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106256 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAG.cpp