Add support for byval function whose argument is not 32 bit aligned.
To do this it is necessary to add a "always inline" argument to the
memcpy node. For completeness I have also added this node to memmove
and memset. I have also added getMem* functions, because the extra
argument makes it cumbersome to use getNode and because I get confused
by it :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43172 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index a5b6300..f69b095 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -4367,7 +4367,22 @@
}
}
- DAG.setRoot(DAG.getNode(Op, MVT::Other, getRoot(), Op1, Op2, Op3, Op4));
+ SDOperand AlwaysInline = DAG.getConstant(0, MVT::i1);
+ SDOperand Node;
+ switch(Op) {
+ default:
+ assert(0 && "Unknown Op");
+ case ISD::MEMCPY:
+ Node = DAG.getMemcpy(getRoot(), Op1, Op2, Op3, Op4, AlwaysInline);
+ break;
+ case ISD::MEMMOVE:
+ Node = DAG.getMemmove(getRoot(), Op1, Op2, Op3, Op4, AlwaysInline);
+ break;
+ case ISD::MEMSET:
+ Node = DAG.getMemset(getRoot(), Op1, Op2, Op3, Op4, AlwaysInline);
+ break;
+ }
+ DAG.setRoot(Node);
}
//===----------------------------------------------------------------------===//