Don't send PHI nodes down to SelectionDAGBuilder of FastISel, since
they end up doing nothing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 470689b..054174f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -621,6 +621,10 @@
CurDebugLoc = DebugLoc();
}
+void SelectionDAGBuilder::visitPHI(const PHINode &) {
+ llvm_unreachable("SelectionDAGBuilder shouldn't visit PHI nodes!");
+}
+
void SelectionDAGBuilder::visit(unsigned Opcode, const User &I) {
// Note: this doesn't use InstVisitor, because it has to work with
// ConstantExpr's in addition to instructions.