From: Evan Cheng <evan.cheng@apple.com>
Date: Sun, 26 Mar 2006 09:51:39 +0000 (+0000)
Subject: Add immAllZerosV helper
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e506f9ae350337dbc1044e09eb55dbbc8785724b;p=oota-llvm.git

Add immAllZerosV helper


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27148 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/TargetSelectionDAG.td b/lib/Target/TargetSelectionDAG.td
index 0cf0bfea413..c146fa9a8cd 100644
--- a/lib/Target/TargetSelectionDAG.td
+++ b/lib/Target/TargetSelectionDAG.td
@@ -386,6 +386,9 @@ def immAllOnes : PatLeaf<(imm), [{ return N->isAllOnesValue(); }]>;
 def immAllOnesV: PatLeaf<(build_vector), [{
   return ISD::isBuildVectorAllOnesInteger(N);
 }]>;
+def immAllZerosV: PatLeaf<(build_vector), [{
+  return ISD::isBuildVectorAllZeros(N);
+}]>;
 
 // Other helper fragments.
 def not  : PatFrag<(ops node:$in), (xor node:$in, immAllOnes)>;