1 files changed, 35 insertions, 0 deletions
diff --git a/clang-r353983/include/llvm/Transforms/IPO/ArgumentPromotion.h b/clang-r353983/include/llvm/Transforms/IPO/ArgumentPromotion.h
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+++ b/clang-r353983/include/llvm/Transforms/IPO/ArgumentPromotion.h
@@ -0,0 +1,35 @@
+//===- ArgumentPromotion.h - Promote by-reference arguments -----*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H
+#define LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H
+
+#include "llvm/Analysis/CGSCCPassManager.h"
+#include "llvm/Analysis/LazyCallGraph.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+/// Argument promotion pass.
+///
+/// This pass walks the functions in each SCC and for each one tries to
+/// transform it and all of its callers to replace indirect arguments with
+/// direct (by-value) arguments.
+class ArgumentPromotionPass : public PassInfoMixin<ArgumentPromotionPass> {
+  unsigned MaxElements;
+
+public:
+  ArgumentPromotionPass(unsigned MaxElements = 3u) : MaxElements(MaxElements) {}
+
+  PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &AM,
+                        LazyCallGraph &CG, CGSCCUpdateResult &UR);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H