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| 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 | 28cf4277bb1938cac76cc8f841009b9262b18b59 (patch) | |
| tree | 72794c6cec09685e0d15c665db88cd2b4ab06501 /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | 5c65ea0db16060afa39d209f1b8dff4187e2c517 (diff) | |
| download | bcm5719-llvm-28cf4277bb1938cac76cc8f841009b9262b18b59.tar.gz bcm5719-llvm-28cf4277bb1938cac76cc8f841009b9262b18b59.zip | |
Cannot combine an indexed load / store any further.
llvm-svn: 32629
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 04f21b9557c..3e53130ba50 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/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)) |
