Match wrapper node for address
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70731 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp b/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp
index 3b28668..e564e63 100644
--- a/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp
+++ b/lib/Target/MSP430/MSP430ISelDAGToDAG.cpp
@@ -79,7 +79,8 @@
return false;
// Operand is a result from ADD with constant operand which fits into i16.
- if (Addr.getOpcode() == ISD::ADD) {
+ switch (Addr.getOpcode()) {
+ case ISD::ADD:
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) {
uint64_t CVal = CN->getZExtValue();
// Offset should fit into 16 bits.
@@ -94,7 +95,21 @@
return true;
}
}
- }
+ break;
+ case MSP430ISD::Wrapper:
+ SDValue N0 = Addr.getOperand(0);
+ if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(N0)) {
+ // We can match addresses of globals without any offsets
+ if (!G->getOffset()) {
+ Base = CurDAG->getTargetGlobalAddress(G->getGlobal(),
+ MVT::i16, 0);
+ Disp = CurDAG->getTargetConstant(0, MVT::i16);
+
+ return true;
+ }
+ }
+ break;
+ };
Base = Addr;
Disp = CurDAG->getTargetConstant(0, MVT::i16);