Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/IntrinsicLowering.h b/linux-x64/clang/include/llvm/CodeGen/IntrinsicLowering.h
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+++ b/linux-x64/clang/include/llvm/CodeGen/IntrinsicLowering.h
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+//===-- IntrinsicLowering.h - Intrinsic Function Lowering -------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the IntrinsicLowering interface. This interface allows
+// addition of domain-specific or front-end specific intrinsics to LLVM without
+// having to modify all of the C backend or interpreter.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_INTRINSICLOWERING_H
+#define LLVM_CODEGEN_INTRINSICLOWERING_H
+
+#include "llvm/IR/Intrinsics.h"
+
+namespace llvm {
+class CallInst;
+class Module;
+class DataLayout;
+
+class IntrinsicLowering {
+ const DataLayout &DL;
+
+ bool Warned;
+
+public:
+ explicit IntrinsicLowering(const DataLayout &DL) : DL(DL), Warned(false) {}
+
+ /// Add all of the prototypes that might be needed by an intrinsic lowering
+ /// implementation to be inserted into the module specified.
+ void AddPrototypes(Module &M);
+
+ /// Replace a call to the specified intrinsic function.
+ /// If an intrinsic function must be implemented by the code generator
+ /// (such as va_start), this function should print a message and abort.
+ ///
+ /// Otherwise, if an intrinsic function call can be lowered, the code to
+ /// implement it (often a call to a non-intrinsic function) is inserted
+ /// _after_ the call instruction and the call is deleted. The caller must
+ /// be capable of handling this kind of change.
+ void LowerIntrinsicCall(CallInst *CI);
+
+ /// Try to replace a call instruction with a call to a bswap intrinsic. Return
+ /// false if the call is not a simple integer bswap.
+ static bool LowerToByteSwap(CallInst *CI);
+};
+}
+
+#endif