Fix rdar://7517201, a regression introduced by r92849.
When folding a and(any_ext(load)) both the any_ext and the
load have to have only a single use.
This removes the anyext-uses.ll testcase which started failing
because it is unreduced and unclear what it is testing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92950 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index f6fc04c..8a561eb 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1895,7 +1895,7 @@
? cast<LoadSDNode>(N0.getOperand(0))
: cast<LoadSDNode>(N0);
if (LN0->getExtensionType() != ISD::SEXTLOAD &&
- LN0->isUnindexed() && N0.hasOneUse()) {
+ LN0->isUnindexed() && N0.hasOneUse() && LN0->hasOneUse()) {
uint32_t ActiveBits = N1C->getAPIntValue().getActiveBits();
if (ActiveBits > 0 && APIntOps::isMask(ActiveBits, N1C->getAPIntValue())){
EVT ExtVT = EVT::getIntegerVT(*DAG.getContext(), ActiveBits);