Generates conditional branch instead of fake ones for Select instruction in some...

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

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 3d58c499823e86725e9263a79d29830acd4eae26..fd786f68fb653b240015fd7cb58d351470dc50f6 100644 (file)
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -124,6 +124,10 @@ private:
   /// is only computed once and is cached.
   mutable MCSymbol *CachedMCSymbol = nullptr;
 
+  // XXX-update: A flag that checks whether we can eliminate this machine basic
+  // block.
+  bool canEliminateMachineBB;
+
   // Intrusive list support
   MachineBasicBlock() {}
 
@@ -135,6 +139,15 @@ private:
   friend class MachineFunction;
 
 public:
+  // XXX-update:
+  void disableCanEliminateMachineBB() {
+    canEliminateMachineBB = false;
+  }
+
+  bool getCanEliminateMachineBB() {
+    return canEliminateMachineBB;
+  }
+
   /// Return the LLVM basic block that this instance corresponded to originally.
   /// Note that this may be NULL if this instance does not correspond directly
   /// to an LLVM basic block.