SelectionDAGISel no longer needs to check hasAvailableExternallyLinkage,

as it is now a MachineFunctionPass, and MachineFunctionPass now handles
this.

llvm-svn: 77760

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -306,11 +306,6 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
   assert((!EnableFastISelAbort || EnableFastISel) &&
          "-fast-isel-abort requires -fast-isel");
 
-  // Do not codegen any 'available_externally' functions at all, they have
-  // definitions outside the translation unit.
-  if (Fn.hasAvailableExternallyLinkage())
-    return false;
-
   // Get alias analysis for load/store combining.
   AA = &getAnalysis<AliasAnalysis>();