vendor/llvm/llvm-trunk-r300422

1 files changed, 30 insertions, 0 deletions

diff --git a/include/llvm/Transforms/Scalar/LoopLoadElimination.h b/include/llvm/Transforms/Scalar/LoopLoadElimination.h
new file mode 100644
index 000000000000..7a007a7e822d
--- /dev/null
+++ b/include/llvm/Transforms/Scalar/LoopLoadElimination.h
@@ -0,0 +1,30 @@
+//===---- LoopLoadElimination.h ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This header defines the LoopLoadEliminationPass object. This pass forwards
+/// loaded values around loop backedges to allow their use in subsequent
+/// iterations.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_SCALAR_LOOPLOADELIMINATION_H
+#define LLVM_TRANSFORMS_SCALAR_LOOPLOADELIMINATION_H
+
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+/// Pass to forward loads in a loop around the backedge to subsequent
+/// iterations.
+struct LoopLoadEliminationPass : public PassInfoMixin<LoopLoadEliminationPass> {
+  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
+};
+}
+
+#endif // LLVM_TRANSFORMS_SCALAR_LOOPLOADELIMINATION_H