diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2006-12-16 06:25:23 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-12-16 06:25:23 +0000 |
| commit | e90460ee9ae9844d4dba9a29c39161ece61e8094 (patch) | |
| tree | d166dc955e61162916db370b18d661f94a4a589b /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | 6d0b3295777f0e9e9cce27f3473c19f78e88f700 (diff) | |
Cannot combine an indexed load / store any further.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32629 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 04f21b9557..3e53130ba5 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2727,12 +2727,17 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { SDOperand Ptr; MVT::ValueType VT; if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) { + if (LD->getAddressingMode() != ISD::UNINDEXED) + return false; VT = LD->getLoadedVT(); - if (!TLI.isIndexedLoadLegal(ISD::PRE_INC, VT) && + if (LD->getAddressingMode() != ISD::UNINDEXED && + !TLI.isIndexedLoadLegal(ISD::PRE_INC, VT) && !TLI.isIndexedLoadLegal(ISD::PRE_DEC, VT)) return false; Ptr = LD->getBasePtr(); } else if (StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) { + if (ST->getAddressingMode() != ISD::UNINDEXED) + return false; VT = ST->getStoredVT(); if (!TLI.isIndexedStoreLegal(ISD::PRE_INC, VT) && !TLI.isIndexedStoreLegal(ISD::PRE_DEC, VT)) @@ -2846,12 +2851,16 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { SDOperand Ptr; MVT::ValueType VT; if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) { + if (LD->getAddressingMode() != ISD::UNINDEXED) + return false; VT = LD->getLoadedVT(); if (!TLI.isIndexedLoadLegal(ISD::POST_INC, VT) && !TLI.isIndexedLoadLegal(ISD::POST_DEC, VT)) return false; Ptr = LD->getBasePtr(); } else if (StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) { + if (ST->getAddressingMode() != ISD::UNINDEXED) + return false; VT = ST->getStoredVT(); if (!TLI.isIndexedStoreLegal(ISD::POST_INC, VT) && !TLI.isIndexedStoreLegal(ISD::POST_DEC, VT)) |