AMDILIntrinsicInfo.cpp revision 263508 
1//===- AMDILIntrinsicInfo.cpp - AMDGPU Intrinsic Information ------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//==-----------------------------------------------------------------------===//
9//
10/// \file
11/// \brief AMDGPU Implementation of the IntrinsicInfo class.
12//
13//===-----------------------------------------------------------------------===//
14
15#include "AMDILIntrinsicInfo.h"
16#include "AMDGPUSubtarget.h"
17#include "llvm/IR/DerivedTypes.h"
18#include "llvm/IR/Intrinsics.h"
19#include "llvm/IR/Module.h"
20
21using namespace llvm;
22
23#define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
24#include "AMDGPUGenIntrinsics.inc"
25#undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
26
27AMDGPUIntrinsicInfo::AMDGPUIntrinsicInfo(TargetMachine *tm)
28  : TargetIntrinsicInfo() {
29}
30
31std::string
32AMDGPUIntrinsicInfo::getName(unsigned int IntrID, Type **Tys,
33    unsigned int numTys) const  {
34  static const char* const names[] = {
35#define GET_INTRINSIC_NAME_TABLE
36#include "AMDGPUGenIntrinsics.inc"
37#undef GET_INTRINSIC_NAME_TABLE
38  };
39
40  if (IntrID < Intrinsic::num_intrinsics) {
41    return 0;
42  }
43  assert(IntrID < AMDGPUIntrinsic::num_AMDGPU_intrinsics
44      && "Invalid intrinsic ID");
45
46  std::string Result(names[IntrID - Intrinsic::num_intrinsics]);
47  return Result;
48}
49
50unsigned int
51AMDGPUIntrinsicInfo::lookupName(const char *Name, unsigned int Len) const  {
52  if (!StringRef(Name, Len).startswith("llvm."))
53    return 0; // All intrinsics start with 'llvm.'
54
55#define GET_FUNCTION_RECOGNIZER
56#include "AMDGPUGenIntrinsics.inc"
57#undef GET_FUNCTION_RECOGNIZER
58  AMDGPUIntrinsic::ID IntrinsicID
59    = (AMDGPUIntrinsic::ID)Intrinsic::not_intrinsic;
60  IntrinsicID = getIntrinsicForGCCBuiltin("AMDGPU", Name);
61
62  if (IntrinsicID != (AMDGPUIntrinsic::ID)Intrinsic::not_intrinsic) {
63    return IntrinsicID;
64  }
65  return 0;
66}
67
68bool
69AMDGPUIntrinsicInfo::isOverloaded(unsigned id) const  {
70  // Overload Table
71#define GET_INTRINSIC_OVERLOAD_TABLE
72#include "AMDGPUGenIntrinsics.inc"
73#undef GET_INTRINSIC_OVERLOAD_TABLE
74}
75
76Function*
77AMDGPUIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
78    Type **Tys,
79    unsigned numTys) const  {
80  llvm_unreachable("Not implemented");
81}
82