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
diff --git a/lib/CodeGen/CriticalAntiDepBreaker.h b/lib/CodeGen/CriticalAntiDepBreaker.h
index 830b29a..700851c 100644
--- a/lib/CodeGen/CriticalAntiDepBreaker.h
+++ b/lib/CodeGen/CriticalAntiDepBreaker.h
@@ -64,6 +64,10 @@
CriticalAntiDepBreaker(MachineFunction& MFi);
~CriticalAntiDepBreaker();
+ /// GetMaxTrials - Critical path anti-dependence breaking requires
+ /// only a single pass
+ unsigned GetMaxTrials() { return 1; }
+
/// Start - Initialize anti-dep breaking for a new basic block.
void StartBlock(MachineBasicBlock *BB);