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| author | Evan Cheng <evan.cheng@apple.com> | 2010-05-18 21:31:17 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-05-18 21:31:17 +0000 |
| commit | 28dad2a5caccf579f7430acd3af8fa6e6f8b575e (patch) | |
| tree | 8056974c55bb6c857ba84db6a3347c263b89a436 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | 011c3f110bca748db66e437924f936a62f1969bf (diff) | |
Sink dag combine's post index load / store code that swap base ptr and index into the target hook. Only the target knows whether the swap is safe. In Thumb2 mode, the offset must be an immediate. rdar://7998649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104060 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index d6e761f2bc..bfa302cf09 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -5284,10 +5284,6 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { SDValue Offset; ISD::MemIndexedMode AM = ISD::UNINDEXED; if (TLI.getPostIndexedAddressParts(N, Op, BasePtr, Offset, AM, DAG)) { - if (Ptr == Offset && Op->getOpcode() == ISD::ADD) - std::swap(BasePtr, Offset); - if (Ptr != BasePtr) - continue; // Don't create a indexed load / store with zero offset. if (isa<ConstantSDNode>(Offset) && cast<ConstantSDNode>(Offset)->isNullValue()) |