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diff --git a/clang-r353983e/include/llvm/CodeGen/RuntimeLibcalls.h b/clang-r353983e/include/llvm/CodeGen/RuntimeLibcalls.h
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+++ b/clang-r353983e/include/llvm/CodeGen/RuntimeLibcalls.h
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+//===-- CodeGen/RuntimeLibcalls.h - Runtime Library Calls -------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the enum representing the list of runtime library calls
+// the backend may emit during code generation, and also some helper functions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
+#define LLVM_CODEGEN_RUNTIMELIBCALLS_H
+
+#include "llvm/CodeGen/ValueTypes.h"
+
+namespace llvm {
+namespace RTLIB {
+  /// RTLIB::Libcall enum - This enum defines all of the runtime library calls
+  /// the backend can emit.  The various long double types cannot be merged,
+  /// because 80-bit library functions use "xf" and 128-bit use "tf".
+  ///
+  /// When adding PPCF128 functions here, note that their names generally need
+  /// to be overridden for Darwin with the xxx$LDBL128 form.  See
+  /// PPCISelLowering.cpp.
+  ///
+  enum Libcall {
+#define HANDLE_LIBCALL(code, name) code,
+    #include "llvm/IR/RuntimeLibcalls.def"
+#undef HANDLE_LIBCALL
+  };
+
+  /// getFPEXT - Return the FPEXT_*_* value for the given types, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getFPEXT(EVT OpVT, EVT RetVT);
+
+  /// getFPROUND - Return the FPROUND_*_* value for the given types, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getFPROUND(EVT OpVT, EVT RetVT);
+
+  /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getFPTOSINT(EVT OpVT, EVT RetVT);
+
+  /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getFPTOUINT(EVT OpVT, EVT RetVT);
+
+  /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getSINTTOFP(EVT OpVT, EVT RetVT);
+
+  /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getUINTTOFP(EVT OpVT, EVT RetVT);
+
+  /// Return the SYNC_FETCH_AND_* value for the given opcode and type, or
+  /// UNKNOWN_LIBCALL if there is none.
+  Libcall getSYNC(unsigned Opc, MVT VT);
+
+  /// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return
+  /// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
+  /// UNKNOW_LIBCALL if there is none.
+  Libcall getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
+
+  /// getMEMMOVE_ELEMENT_UNORDERED_ATOMIC - Return
+  /// MEMMOVE_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
+  /// UNKNOW_LIBCALL if there is none.
+  Libcall getMEMMOVE_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
+
+  /// getMEMSET_ELEMENT_UNORDERED_ATOMIC - Return
+  /// MEMSET_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
+  /// UNKNOW_LIBCALL if there is none.
+  Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
+
+}
+}
+
+#endif