Reverts wrong modification to MachineBlockPlacement & BranchFolding; uses a new strat...

[oota-llvm.git] / include / llvm / CodeGen / MachineInstr.h

diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 05c9a9e0b07961a7afdb47980332da1fa0b3494d..3e76ea9c31dd7f5e082962855a7338b1d9441686 100644 (file)
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -71,6 +71,9 @@ public:
     BundledSucc  = 1 << 3               // Instruction has bundled successors.
   };
 private:
+  // XXX-update: A flag that checks whether we can eliminate this instruction.
+  bool canEliminateMachineInstr;
+
   const MCInstrDesc *MCID;              // Instruction descriptor.
   MachineBasicBlock *Parent;            // Pointer to the owning basic block.
 
@@ -126,6 +129,15 @@ private:
   friend class MachineFunction;
 
 public:
+  // XXX-update:
+  void disableCanEliminateMachineInstr() {
+    canEliminateMachineInstr = false;
+  }
+
+  bool getCanEliminateMachineInstr() {
+    return canEliminateMachineInstr;
+  }
+
   const MachineBasicBlock* getParent() const { return Parent; }
   MachineBasicBlock* getParent() { return Parent; }