Add a m_Undef pattern for convenience. This is so that code that uses
authorDuncan Sands <baldrick@free.fr>
Tue, 1 Feb 2011 09:06:20 +0000 (09:06 +0000)
committerDuncan Sands <baldrick@free.fr>
Tue, 1 Feb 2011 09:06:20 +0000 (09:06 +0000)
commitf9e4a986c03fe3af7dbc9de0b0a9251280fbdf41
treea23d44f0ee01755ac75b94593e56ef71cd4b2f13
parent93c780288df9631d11f996b010b2212a8b44d4d3
Add a m_Undef pattern for convenience.  This is so that code that uses
pattern matching can also pattern match undef, creating a more uniform
style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124657 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Support/PatternMatch.h
lib/Analysis/InstructionSimplify.cpp