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| author | Chris Lattner <sabre@nondot.org> | 2006-04-04 17:39:18 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-04 17:39:18 +0000 |
| commit | 4ea52cac01e7684df4ffbebba6457dcd61cd9742 (patch) | |
| tree | 68f9c8065e0bde766549c371cb39bd35826a3f0b /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | d5ed3789dd12354911e8b18f212df93396d8879c (diff) | |
| download | bcm5719-llvm-4ea52cac01e7684df4ffbebba6457dcd61cd9742.tar.gz bcm5719-llvm-4ea52cac01e7684df4ffbebba6457dcd61cd9742.zip | |
Do not create ZEXTLOAD's unless we are before legalize or the operation is
legal.
llvm-svn: 27402
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index c982e5be8fc..a5925ad69c6 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -1193,7 +1193,8 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { LoadedVT = N0.getOpcode() == ISD::LOAD ? VT : cast<VTSDNode>(N0.getOperand(3))->getVT(); - if (EVT != MVT::Other && LoadedVT > EVT) { + if (EVT != MVT::Other && LoadedVT > EVT && + (!AfterLegalize || TLI.isOperationLegal(ISD::ZEXTLOAD, EVT))) { MVT::ValueType PtrType = N0.getOperand(1).getValueType(); // For big endian targets, we need to add an offset to the pointer to load // the correct bytes. For little endian systems, we merely need to read |
