Support for trampolines, except for X86 codegen which is
still under discussion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40549 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4131ed9..078cbf3 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3156,6 +3156,31 @@
}
break;
}
+ case ISD::ADJUST_TRAMP: {
+ Tmp1 = LegalizeOp(Node->getOperand(0));
+ switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) {
+ default: assert(0 && "This action is not supported yet!");
+ case TargetLowering::Custom:
+ Result = DAG.UpdateNodeOperands(Result, Tmp1);
+ Result = TLI.LowerOperation(Result, DAG);
+ if (Result.Val) break;
+ // FALL THROUGH
+ case TargetLowering::Expand:
+ Result = Tmp1;
+ break;
+ }
+ break;
+ }
+ case ISD::TRAMPOLINE: {
+ SDOperand Ops[6];
+ for (unsigned i = 0; i != 6; ++i)
+ Ops[i] = LegalizeOp(Node->getOperand(i));
+ Result = DAG.UpdateNodeOperands(Result, Ops, 6);
+ // The only option for this node is to custom lower it.
+ Result = TLI.LowerOperation(Result, DAG);
+ assert(Result.Val && "Should always custom lower!");
+ break;
+ }
}
assert(Result.getValueType() == Op.getValueType() &&