Add support for matching mem operands. This fixes PR1133, patch by
Eli Friedman. This implements CodeGen/Generic/2008-02-20-MatchingMem.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47428 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index f36a120..d4e33b0 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3846,7 +3846,13 @@
break;
} else {
assert((NumOps & 7) == 4/*MEM*/ && "Unknown matching constraint!");
- assert(0 && "matching constraints for memory operands unimp");
+ assert((NumOps >> 3) == 1 && "Unexpected number of operands");
+ // Add information to the INLINEASM node to know about this input.
+ unsigned ResOpType = 4/*MEM*/ | (1 << 3);
+ AsmNodeOperands.push_back(DAG.getTargetConstant(ResOpType,
+ TLI.getPointerTy()));
+ AsmNodeOperands.push_back(AsmNodeOperands[CurOp+1]);
+ break;
}
}