summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelDAGToDAG.cpp')
-rw-r--r--llvm/lib/Target/X86/X86ISelDAGToDAG.cpp11
1 files changed, 4 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index 975e8c5e3c2..5313fc68b91 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -2117,10 +2117,10 @@ static bool isFusableLoadOpStorePattern(StoreSDNode *StoreNode,
// this search by visiting the uses and make sure they all have
// smaller node id than the load.
- bool FoundLoad = false;
- SmallVector<SDValue, 4> ChainOps;
- SmallVector<const SDNode *, 4> LoopWorklist;
- SmallPtrSet<const SDNode *, 16> Visited;
+ bool FoundLoad = false;
+ SmallVector<SDValue, 4> ChainOps;
+ SmallVector<const SDNode *, 4> LoopWorklist;
+ SmallPtrSet<const SDNode *, 16> Visited;
for (unsigned i = 0, e = Chain.getNumOperands(); i != e; ++i) {
SDValue Op = Chain.getOperand(i);
if (Op == Load.getValue(1)) {
@@ -2144,9 +2144,6 @@ static bool isFusableLoadOpStorePattern(StoreSDNode *StoreNode,
if (SDNode::hasPredecessorHelper(Load.getNode(), Visited, LoopWorklist,
Max, true))
return false;
- // Fail conservatively if we ended loop search early.
- if (Visited.size() >= Max)
- return false;
}
// Make a new TokenFactor with all the other input chains except
OpenPOWER on IntegriCloud