Remove some old experimental code that is no longer needed. Remove additional, speculative scheduling pass as its cost did not translate into significant performance improvement. Minor tweaks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89471 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CriticalAntiDepBreaker.h b/lib/CodeGen/CriticalAntiDepBreaker.h
index 5664d85..496888d 100644
--- a/lib/CodeGen/CriticalAntiDepBreaker.h
+++ b/lib/CodeGen/CriticalAntiDepBreaker.h
@@ -25,6 +25,7 @@
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallSet.h"
+#include <map>
namespace llvm {
class CriticalAntiDepBreaker : public AntiDepBreaker {
@@ -64,13 +65,6 @@
CriticalAntiDepBreaker(MachineFunction& MFi);
~CriticalAntiDepBreaker();
- /// GetMaxTrials - Critical path anti-dependence breaking requires
- /// only a single pass
- unsigned GetMaxTrials() { return 1; }
-
- /// NeedCandidates - Candidates not needed.
- bool NeedCandidates() { return false; }
-
/// Start - Initialize anti-dep breaking for a new basic block.
void StartBlock(MachineBasicBlock *BB);
@@ -78,7 +72,6 @@
/// of the ScheduleDAG and break them by renaming registers.
///
unsigned BreakAntiDependencies(std::vector<SUnit>& SUnits,
- CandidateMap& Candidates,
MachineBasicBlock::iterator& Begin,
MachineBasicBlock::iterator& End,
unsigned InsertPosIndex);