diff options
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 2 | ||||
| -rw-r--r-- | lib/CodeGen/MachineScheduler.cpp | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index f746daf921..d92ad42a87 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -615,6 +615,8 @@ public: return false; } + virtual bool enableClusterLoads() const { return false; } + virtual bool shouldClusterLoads(MachineInstr *FirstLdSt, MachineInstr *SecondLdSt, unsigned NumLoads) const { diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp index 0aacc3a59d..d9da8381ea 100644 --- a/lib/CodeGen/MachineScheduler.cpp +++ b/lib/CodeGen/MachineScheduler.cpp @@ -2753,7 +2753,7 @@ static ScheduleDAGInstrs *createConvergingSched(MachineSchedContext *C) { // data and pass it to later mutations. Have a single mutation that gathers // the interesting nodes in one pass. DAG->addMutation(new CopyConstrain(DAG->TII, DAG->TRI)); - if (EnableLoadCluster) + if (EnableLoadCluster && DAG->TII->enableClusterLoads()) DAG->addMutation(new LoadClusterMutation(DAG->TII, DAG->TRI)); if (EnableMacroFusion) DAG->addMutation(new MacroFusion(DAG->TII)); |