From 8d68c2b521af0070408257c4ef586ee1679f498d Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 18 Sep 2007 21:54:37 +0000
Subject: Fix a bogus splat xform: shuffle <undef, undef, x, undef>, <undef,
 undef, undef, undef>, <2, 2, 2, 2> != <undef, undef, x, undef>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42111 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 7715155..7d697f1 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4093,8 +4093,7 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) {
         if (!Base.Val)
           return N0;
         for (unsigned i = 0; i != NumElems; ++i) {
-          if (V->getOperand(i).getOpcode() != ISD::UNDEF &&
-              V->getOperand(i) != Base) {
+          if (V->getOperand(i) != Base) {
             AllSame = false;
             break;
           }
-- 
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