1 files changed, 11 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/FastISel.h b/include/llvm/CodeGen/FastISel.h
index 79b1554..fbb1200 100644
--- a/include/llvm/CodeGen/FastISel.h
+++ b/include/llvm/CodeGen/FastISel.h
@@ -15,9 +15,6 @@
 #define LLVM_CODEGEN_FASTISEL_H
 
 #include "llvm/ADT/DenseMap.h"
-#ifndef NDEBUG
-#include "llvm/ADT/SmallSet.h"
-#endif
 #include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 
@@ -39,6 +36,7 @@ class TargetLowering;
 class TargetMachine;
 class TargetRegisterClass;
 class TargetRegisterInfo;
+class LoadInst;
 
 /// FastISel - This is a fast-path instruction selection class that
 /// generates poor code and doesn't support illegal types or non-trivial
@@ -102,7 +100,16 @@ public:
   /// index value.
   std::pair<unsigned, bool> getRegForGEPIndex(const Value *V);
 
-  /// recomputeInsertPt - Reset InsertPt to prepare for insterting instructions
+  /// TryToFoldLoad - The specified machine instr operand is a vreg, and that
+  /// vreg is being provided by the specified load instruction.  If possible,
+  /// try to fold the load as an operand to the instruction, returning true if
+  /// possible.
+  virtual bool TryToFoldLoad(MachineInstr * /*MI*/, unsigned /*OpNo*/,
+                             const LoadInst * /*LI*/) {
+    return false;
+  }
+  
+  /// recomputeInsertPt - Reset InsertPt to prepare for inserting instructions
   /// into the current block.
   void recomputeInsertPt();