diff options
| 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 | e44be60ee91b65df8dcf13cca15563ab80b236c4 (patch) | |
| tree | a06c46b25224696c147553b15f359b8f24f72624 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | cecc3ebcc80169bc42b7f76a9489f061edf6111c (diff) | |
Do not create ZEXTLOAD's unless we are before legalize or the operation is
legal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27402 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index c982e5be8f..a5925ad69c 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/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 |