1 //===-- ValueTypes.cpp - Implementation of MVT::ValueType methods ---------===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements methods in the CodeGen/ValueTypes.h header.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/ADT/StringExtras.h"
15 #include "llvm/CodeGen/ValueTypes.h"
16 #include "llvm/Type.h"
17 #include "llvm/DerivedTypes.h"
20 /// MVT::getValueTypeString - This function returns value type as a string,
22 std::string MVT::getValueTypeString(MVT::ValueType VT) {
26 return "v" + utostr(getVectorNumElements(VT)) +
27 getValueTypeString(getVectorElementType(VT));
28 assert(0 && "Invalid ValueType!");
29 case MVT::i1: return "i1";
30 case MVT::i8: return "i8";
31 case MVT::i16: return "i16";
32 case MVT::i32: return "i32";
33 case MVT::i64: return "i64";
34 case MVT::i128: return "i128";
35 case MVT::f32: return "f32";
36 case MVT::f64: return "f64";
37 case MVT::f80: return "f80";
38 case MVT::f128: return "f128";
39 case MVT::isVoid:return "isVoid";
40 case MVT::Other: return "ch";
41 case MVT::Flag: return "flag";
42 case MVT::v8i8: return "v8i8";
43 case MVT::v4i16: return "v4i16";
44 case MVT::v2i32: return "v2i32";
45 case MVT::v1i64: return "v1i64";
46 case MVT::v16i8: return "v16i8";
47 case MVT::v8i16: return "v8i16";
48 case MVT::v4i32: return "v4i32";
49 case MVT::v2i64: return "v2i64";
50 case MVT::v2f32: return "v2f32";
51 case MVT::v4f32: return "v4f32";
52 case MVT::v2f64: return "v2f64";
53 case MVT::v3i32: return "v3i32";
54 case MVT::v3f32: return "v3f32";
58 /// MVT::getTypeForValueType - This method returns an LLVM type corresponding
59 /// to the specified ValueType. Note that this will abort for types that cannot
61 const Type *MVT::getTypeForValueType(MVT::ValueType VT) {
65 return VectorType::get(getTypeForValueType(getVectorElementType(VT)),
66 getVectorNumElements(VT));
67 assert(0 && "ValueType does not correspond to LLVM type!");
68 case MVT::isVoid:return Type::VoidTy;
69 case MVT::i1: return Type::Int1Ty;
70 case MVT::i8: return Type::Int8Ty;
71 case MVT::i16: return Type::Int16Ty;
72 case MVT::i32: return Type::Int32Ty;
73 case MVT::i64: return Type::Int64Ty;
74 case MVT::i128: return IntegerType::get(128);
75 case MVT::f32: return Type::FloatTy;
76 case MVT::f64: return Type::DoubleTy;
77 case MVT::v8i8: return VectorType::get(Type::Int8Ty, 8);
78 case MVT::v4i16: return VectorType::get(Type::Int16Ty, 4);
79 case MVT::v2i32: return VectorType::get(Type::Int32Ty, 2);
80 case MVT::v1i64: return VectorType::get(Type::Int64Ty, 1);
81 case MVT::v16i8: return VectorType::get(Type::Int8Ty, 16);
82 case MVT::v8i16: return VectorType::get(Type::Int16Ty, 8);
83 case MVT::v4i32: return VectorType::get(Type::Int32Ty, 4);
84 case MVT::v2i64: return VectorType::get(Type::Int64Ty, 2);
85 case MVT::v2f32: return VectorType::get(Type::FloatTy, 2);
86 case MVT::v4f32: return VectorType::get(Type::FloatTy, 4);
87 case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2);
88 case MVT::v3i32: return VectorType::get(Type::Int32Ty, 3);
89 case MVT::v3f32: return VectorType::get(Type::FloatTy, 3);
93 /// MVT::getValueType - Return the value type corresponding to the specified
94 /// type. This returns all pointers as MVT::iPTR. If HandleUnknown is true,
95 /// unknown types are returned as Other, otherwise they are invalid.
96 MVT::ValueType MVT::getValueType(const Type *Ty, bool HandleUnknown) {
97 switch (Ty->getTypeID()) {
99 if (HandleUnknown) return MVT::Other;
100 assert(0 && "Unknown type!");
103 case Type::IntegerTyID:
104 switch (cast<IntegerType>(Ty)->getBitWidth()) {
106 // FIXME: Return MVT::iANY.
107 if (HandleUnknown) return MVT::Other;
108 assert(0 && "Invalid width for value type");
109 case 1: return MVT::i1;
110 case 8: return MVT::i8;
111 case 16: return MVT::i16;
112 case 32: return MVT::i32;
113 case 64: return MVT::i64;
114 case 128: return MVT::i128;
117 case Type::FloatTyID: return MVT::f32;
118 case Type::DoubleTyID: return MVT::f64;
119 case Type::PointerTyID: return MVT::iPTR;
120 case Type::VectorTyID: {
121 const VectorType *VTy = cast<VectorType>(Ty);
122 return getVectorType(getValueType(VTy->getElementType(), false),
123 VTy->getNumElements());