AMDGPUIntrinsicInfo.cpp revision cd81d94322a39503e4a3e87b6ee03d4fcb3465fb 
1//===- AMDGPUIntrinsicInfo.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 "AMDGPUIntrinsicInfo.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
30std::string AMDGPUIntrinsicInfo::getName(unsigned IntrID, Type **Tys,
31                                         unsigned numTys) const {
32  static const char *const names[] = {
33#define GET_INTRINSIC_NAME_TABLE
34#include "AMDGPUGenIntrinsics.inc"
35#undef GET_INTRINSIC_NAME_TABLE
36  };
37
38  if (IntrID < Intrinsic::num_intrinsics) {
39    return nullptr;
40  }
41  assert(IntrID < AMDGPUIntrinsic::num_AMDGPU_intrinsics &&
42         "Invalid intrinsic ID");
43
44  std::string Result(names[IntrID - Intrinsic::num_intrinsics]);
45  return Result;
46}
47
48unsigned AMDGPUIntrinsicInfo::lookupName(const char *Name,
49                                         unsigned Len) const {
50  if (!StringRef(Name, Len).startswith("llvm."))
51    return 0; // All intrinsics start with 'llvm.'
52
53#define GET_FUNCTION_RECOGNIZER
54#include "AMDGPUGenIntrinsics.inc"
55#undef GET_FUNCTION_RECOGNIZER
56  AMDGPUIntrinsic::ID IntrinsicID =
57      (AMDGPUIntrinsic::ID)Intrinsic::not_intrinsic;
58  IntrinsicID = getIntrinsicForGCCBuiltin("AMDGPU", Name);
59
60  if (IntrinsicID != (AMDGPUIntrinsic::ID)Intrinsic::not_intrinsic) {
61    return IntrinsicID;
62  }
63  return 0;
64}
65
66bool AMDGPUIntrinsicInfo::isOverloaded(unsigned id) const {
67// Overload Table
68#define GET_INTRINSIC_OVERLOAD_TABLE
69#include "AMDGPUGenIntrinsics.inc"
70#undef GET_INTRINSIC_OVERLOAD_TABLE
71}
72
73Function *AMDGPUIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
74                                              Type **Tys,
75                                              unsigned numTys) const {
76  llvm_unreachable("Not implemented");
77}
78