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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31473 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -174,7 +174,13 @@ namespace {
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return true;
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}
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bool CombineToIndexedLoadStore(SDNode *N) {
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/// CombineToPreIndexedLoadStore - Try turning a load / store into a
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/// pre-indexed load store when the base pointer is a add or subtract
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/// and it has other uses besides the load / store. When the
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/// transformation is done, the new indexed load / store effectively
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/// folded the add / subtract in and all of its other uses are redirected
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/// to the new load / store.
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bool CombineToPreIndexedLoadStore(SDNode *N) {
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bool isLoad = true;
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SDOperand Ptr;
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if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) {
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@ -811,7 +817,7 @@ SDOperand DAGCombiner::visitADD(SDNode *N) {
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return DAG.getNode(ISD::OR, VT, N0, N1);
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}
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}
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return SDOperand();
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}
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@ -2871,7 +2877,7 @@ SDOperand DAGCombiner::visitLOAD(SDNode *N) {
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}
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// Try transforming N to an indexed load.
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if (CombineToIndexedLoadStore(N))
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if (CombineToPreIndexedLoadStore(N))
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return SDOperand(N, 0);
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return SDOperand();
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@ -2917,7 +2923,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) {
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}
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// Try transforming N to an indexed store.
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if (CombineToIndexedLoadStore(N))
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if (CombineToPreIndexedLoadStore(N))
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return SDOperand(N, 0);
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return SDOperand();
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