Allow the aggressive anti-dep breaker to process the same region multiple times. This is necessary because new anti-dependencies are exposed when "current" ones are broken.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85166 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/AntiDepBreaker.h b/include/llvm/CodeGen/AntiDepBreaker.h
index af45eb9b2f..dac700076a 100644
--- a/include/llvm/CodeGen/AntiDepBreaker.h
+++ b/include/llvm/CodeGen/AntiDepBreaker.h
@@ -31,6 +31,10 @@ class AntiDepBreaker {
 public:
   virtual ~AntiDepBreaker();
 
+  /// GetMaxTrials - Return the maximum number of anti-dependence
+  /// breaking attempts that will be made for a block.
+  virtual unsigned GetMaxTrials() =0;
+
   /// Start - Initialize anti-dep breaking for a new basic block.
   virtual void StartBlock(MachineBasicBlock *BB) =0;