Vendor import of llvm trunk r135360:

http://llvm.org/svn/llvm-project/llvm/trunk@135360

1 files changed, 11 insertions, 1 deletions

diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index 7e7c9e7..3b953c0 100644
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -110,7 +110,7 @@ public:
         Function *getParent()       { return Parent; }
 
   /// use_back - Specialize the methods defined in Value, as we know that an
-  /// BasicBlock can only be used by Users (specifically PHI nodes, terminators,
+  /// BasicBlock can only be used by Users (specifically terminators
   /// and BlockAddress's).
   User       *use_back()       { return cast<User>(*use_begin());}
   const User *use_back() const { return cast<User>(*use_begin());}
@@ -138,6 +138,12 @@ public:
     return const_cast<BasicBlock*>(this)->getFirstNonPHIOrDbg();
   }
 
+  // Same as above, but also skip lifetime intrinsics.
+  Instruction* getFirstNonPHIOrDbgOrLifetime();
+  const Instruction* getFirstNonPHIOrDbgOrLifetime() const {
+    return const_cast<BasicBlock*>(this)->getFirstNonPHIOrDbgOrLifetime();
+  }
+
   /// removeFromParent - This method unlinks 'this' from the containing
   /// function, but does not delete it.
   ///
@@ -248,6 +254,10 @@ public:
   /// other than direct branches, switches, etc. to it.
   bool hasAddressTaken() const { return getSubclassDataFromValue() != 0; }
 
+  /// replaceSuccessorsPhiUsesWith - Update all phi nodes in all our successors
+  /// to refer to basic block New instead of to us.
+  void replaceSuccessorsPhiUsesWith(BasicBlock *New);
+
 private:
   /// AdjustBlockAddressRefCount - BasicBlock stores the number of BlockAddress
   /// objects using it.  This is almost always 0, sometimes one, possibly but