vendor/llvm/llvm-trunk-r306325

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMMacroFusion.h b/lib/Target/ARM/ARMMacroFusion.h
new file mode 100644
index 000000000000..1e4fc6687eae
--- /dev/null
+++ b/lib/Target/ARM/ARMMacroFusion.h
@@ -0,0 +1,24 @@
+//===- ARMMacroFusion.h - ARM Macro Fusion ------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file This file contains the ARM definition of the DAG scheduling mutation
+/// to pair instructions back to back.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineScheduler.h"
+
+namespace llvm {
+
+/// Note that you have to add:
+///   DAG.addMutation(createARMMacroFusionDAGMutation());
+/// to ARMPassConfig::createMachineScheduler() to have an effect.
+std::unique_ptr<ScheduleDAGMutation> createARMMacroFusionDAGMutation();
+
+} // llvm