/usr/include/llvm-3.9/llvm/CodeGen/IntrinsicLowering.h is in llvm-3.9-dev 1:3.9.1-19ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | //===-- 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) {}
/// AddPrototypes - This method, if called, causes all of the prototypes
/// that might be needed by an intrinsic lowering implementation to be
/// inserted into the module specified.
void AddPrototypes(Module &M);
/// LowerIntrinsicCall - This method replaces a call with the LLVM function
/// which should be used to implement the specified intrinsic function call.
/// 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);
/// LowerToByteSwap - Replace a call instruction into a call to bswap
/// intrinsic. Return false if it has determined the call is not a
/// simple integer bswap.
static bool LowerToByteSwap(CallInst *CI);
};
}
#endif
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