diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 835425021dc..bf62aa86509 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -111,6 +111,11 @@ static cl::opt<bool> MaySplitLoadIndex("combiner-split-load-index", cl::Hidden, cl::init(true), cl::desc("DAG combiner may split indexing from loads")); +static cl::opt<bool> + EnableStoreMerging("combiner-store-merging", cl::Hidden, cl::init(true), + cl::desc("DAG combiner enable merging multiple stores " + "into a wider store")); + static cl::opt<unsigned> TokenFactorInlineLimit( "combiner-tokenfactor-inline-limit", cl::Hidden, cl::init(2048), cl::desc("Limit the number of operands to inline for Token Factors")); @@ -15521,7 +15526,7 @@ bool DAGCombiner::checkMergeStoreCandidatesForDependencies( } bool DAGCombiner::MergeConsecutiveStores(StoreSDNode *St) { - if (OptLevel == CodeGenOpt::None) + if (OptLevel == CodeGenOpt::None || !EnableStoreMerging) return false; EVT MemVT = St->getMemoryVT(); |
