Add a target callback for FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/FastISelEmitter.cpp b/utils/TableGen/FastISelEmitter.cpp
index 305158f..fedb44e 100644
--- a/utils/TableGen/FastISelEmitter.cpp
+++ b/utils/TableGen/FastISelEmitter.cpp
@@ -351,6 +351,14 @@
   }
   OS << "\n";
 
+  OS << "bool TargetSelectInstruction(Instruction *I,\n";
+  OS << "                             "
+        "DenseMap<const Value *, unsigned> &ValueMap,\n";
+  OS << "                             "
+        "DenseMap<const BasicBlock *, MachineBasicBlock *> &MBBMap,\n";
+  OS << "                             "
+        "MachineBasicBlock *MBB);\n";
+
   // Declare the Subtarget member, which is used for predicate checks.
   OS << "  const " << InstNS.substr(0, InstNS.size() - 2)
      << "Subtarget *Subtarget;\n";