1 //===- AMDGPUIntrinsicInfo.cpp - AMDGPU Intrinsic Information ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //==-----------------------------------------------------------------------===//
11 /// AMDGPU Implementation of the IntrinsicInfo class.
13 //===-----------------------------------------------------------------------===//
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"
23 AMDGPUIntrinsicInfo::AMDGPUIntrinsicInfo()
24 : TargetIntrinsicInfo() {}
26 static const char *const IntrinsicNameTable[] = {
27 #define GET_INTRINSIC_NAME_TABLE
28 #include "AMDGPUGenIntrinsicImpl.inc"
29 #undef GET_INTRINSIC_NAME_TABLE
33 #define GET_INTRINSIC_ATTRIBUTES
34 #include "AMDGPUGenIntrinsicImpl.inc"
35 #undef GET_INTRINSIC_ATTRIBUTES
38 StringRef AMDGPUIntrinsicInfo::getName(unsigned IntrID,
39 ArrayRef<Type *> Tys) const {
40 if (IntrID < Intrinsic::num_intrinsics)
43 assert(IntrID < AMDGPUIntrinsic::num_AMDGPU_intrinsics &&
44 "Invalid intrinsic ID");
46 return IntrinsicNameTable[IntrID - Intrinsic::num_intrinsics];
49 std::string AMDGPUIntrinsicInfo::getName(unsigned IntrID, Type **Tys,
50 unsigned NumTys) const {
51 return getName(IntrID, makeArrayRef(Tys, NumTys)).str();
54 FunctionType *AMDGPUIntrinsicInfo::getType(LLVMContext &Context, unsigned ID,
55 ArrayRef<Type*> Tys) const {
56 // FIXME: Re-use Intrinsic::getType machinery
57 llvm_unreachable("unhandled intrinsic");
60 unsigned AMDGPUIntrinsicInfo::lookupName(const char *NameData,
62 StringRef Name(NameData, Len);
63 if (!Name.startswith("llvm."))
64 return 0; // All intrinsics start with 'llvm.'
66 // Look for a name match in our table. If the intrinsic is not overloaded,
67 // require an exact match. If it is overloaded, require a prefix match. The
68 // AMDGPU enum enum starts at Intrinsic::num_intrinsics.
69 int Idx = Intrinsic::lookupLLVMIntrinsicByName(IntrinsicNameTable, Name);
71 bool IsPrefixMatch = Name.size() > strlen(IntrinsicNameTable[Idx]);
72 return IsPrefixMatch == isOverloaded(Idx + 1)
73 ? Intrinsic::num_intrinsics + Idx
80 bool AMDGPUIntrinsicInfo::isOverloaded(unsigned id) const {
82 #define GET_INTRINSIC_OVERLOAD_TABLE
83 #include "AMDGPUGenIntrinsicImpl.inc"
84 #undef GET_INTRINSIC_OVERLOAD_TABLE
87 Function *AMDGPUIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
88 ArrayRef<Type *> Tys) const {
89 FunctionType *FTy = getType(M->getContext(), IntrID, Tys);
91 = cast<Function>(M->getOrInsertFunction(getName(IntrID, Tys), FTy));
94 getAttributes(M->getContext(), static_cast<AMDGPUIntrinsic::ID>(IntrID));
99 Function *AMDGPUIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
101 unsigned NumTys) const {
102 return getDeclaration(M, IntrID, makeArrayRef(Tys, NumTys));