Allow target constants to be illegal types. The target should
know how to handle them. This fixes
test/CodeGen/Generic/asm-large-immediate.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41388 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index e370e4a..8e4d09a 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -457,6 +457,8 @@
// If this is an illegal scalar, expand it into its two component
// pieces.
SDOperand X, Y;
+ if (Op.getOpcode() == ISD::TargetConstant)
+ break; // Allow illegal target nodes.
ExpandOp(Op, X, Y);
} else if (MVT::getVectorNumElements(VT) == 1) {
// If this is an illegal single element vector, convert it to a
@@ -644,6 +646,9 @@
/// is legal, recursively ensuring that the operands' operations remain
/// legal.
SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
+ if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes.
+ return Op;
+
assert(isTypeLegal(Op.getValueType()) &&
"Caller should expand or promote operands that are not legal!");
SDNode *Node = Op.Val;