[llvm-commits] CVS: llvm/include/llvm/Target/TargetInstrInfo.h

[Evan Cheng]

Changes in directory llvm/include/llvm/Target:

TargetInstrInfo.h updated: 1.121 -> 1.122
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Log message:

RemoveBranch() and InsertBranch() now returns number of instructions deleted / inserted.

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Diffs of the changes:  (+8 -4)

 TargetInstrInfo.h |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)


Index: llvm/include/llvm/Target/TargetInstrInfo.h
diff -u llvm/include/llvm/Target/TargetInstrInfo.h:1.121 llvm/include/llvm/Target/TargetInstrInfo.h:1.122
--- llvm/include/llvm/Target/TargetInstrInfo.h:1.121	Wed May 16 19:10:58 2007
+++ llvm/include/llvm/Target/TargetInstrInfo.h	Thu May 17 19:01:09 2007
@@ -350,20 +350,24 @@
   }
   
   /// RemoveBranch - Remove the branching code at the end of the specific MBB.
-  /// this is only invoked in cases where AnalyzeBranch returns success.
-  virtual void RemoveBranch(MachineBasicBlock &MBB) const {
+  /// this is only invoked in cases where AnalyzeBranch returns success. It
+  /// returns the number of instructions that were removed.
+  virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const {
     assert(0 && "Target didn't implement TargetInstrInfo::RemoveBranch!"); 
+    return 0;
   }
   
   /// InsertBranch - Insert a branch into the end of the specified
   /// MachineBasicBlock.  This operands to this method are the same as those
   /// returned by AnalyzeBranch.  This is invoked in cases where AnalyzeBranch
   /// returns success and when an unconditional branch (TBB is non-null, FBB is
-  /// null, Cond is empty) needs to be inserted.
-  virtual void InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+  /// null, Cond is empty) needs to be inserted. It returns the number of
+  /// instructions inserted.
+  virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
                             MachineBasicBlock *FBB,
                             const std::vector<MachineOperand> &Cond) const {
     assert(0 && "Target didn't implement TargetInstrInfo::InsertBranch!"); 
+    return 0;
   }
   
   /// BlockHasNoFallThrough - Return true if the specified block does not