diff options
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp b/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp index f23a3e27ec3..920b6e430e8 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp +++ b/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp @@ -1296,8 +1296,14 @@ void SystemZDAGToDAGISel::Select(SDNode *Node) { SDValue Op0 = Node->getOperand(0); SDValue Op1 = Node->getOperand(1); // Prefer to put any load first, so that it can be matched as a - // conditional load. - if (Op1.getOpcode() == ISD::LOAD && Op0.getOpcode() != ISD::LOAD) { + // conditional load. Likewise for constants in range for LOCHI. + if ((Op1.getOpcode() == ISD::LOAD && Op0.getOpcode() != ISD::LOAD) || + (Subtarget->hasLoadStoreOnCond2() && + Node->getValueType(0).isInteger() && + Op1.getOpcode() == ISD::Constant && + isInt<16>(cast<ConstantSDNode>(Op1)->getSExtValue()) && + !(Op0.getOpcode() == ISD::Constant && + isInt<16>(cast<ConstantSDNode>(Op0)->getSExtValue())))) { SDValue CCValid = Node->getOperand(2); SDValue CCMask = Node->getOperand(3); uint64_t ConstCCValid = |
