1 //===-- ValueTypes.cpp - Implementation of MVT::ValueType methods ---------===//
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 //===----------------------------------------------------------------------===//
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));
29 return "i" + utostr(getSizeInBits(VT));
30 assert(0 && "Invalid ValueType!");
31 case MVT::i1: return "i1";
32 case MVT::i8: return "i8";
33 case MVT::i16: return "i16";
34 case MVT::i32: return "i32";
35 case MVT::i64: return "i64";
36 case MVT::i128: return "i128";
37 case MVT::f32: return "f32";
38 case MVT::f64: return "f64";
39 case MVT::f80: return "f80";
40 case MVT::f128: return "f128";
41 case MVT::ppcf128: return "ppcf128";
42 case MVT::isVoid: return "isVoid";
43 case MVT::Other: return "ch";
44 case MVT::Flag: return "flag";
45 case MVT::v8i8: return "v8i8";
46 case MVT::v4i16: return "v4i16";
47 case MVT::v2i32: return "v2i32";
48 case MVT::v1i64: return "v1i64";
49 case MVT::v16i8: return "v16i8";
50 case MVT::v8i16: return "v8i16";
51 case MVT::v4i32: return "v4i32";
52 case MVT::v2i64: return "v2i64";
53 case MVT::v2f32: return "v2f32";
54 case MVT::v4f32: return "v4f32";
55 case MVT::v2f64: return "v2f64";
56 case MVT::v3i32: return "v3i32";
57 case MVT::v3f32: return "v3f32";
61 /// MVT::getTypeForValueType - This method returns an LLVM type corresponding
62 /// to the specified ValueType. Note that this will abort for types that cannot
64 const Type *MVT::getTypeForValueType(MVT::ValueType VT) {
68 return VectorType::get(getTypeForValueType(getVectorElementType(VT)),
69 getVectorNumElements(VT));
71 return IntegerType::get(getSizeInBits(VT));
72 assert(0 && "ValueType does not correspond to LLVM type!");
73 case MVT::isVoid:return Type::VoidTy;
74 case MVT::i1: return Type::Int1Ty;
75 case MVT::i8: return Type::Int8Ty;
76 case MVT::i16: return Type::Int16Ty;
77 case MVT::i32: return Type::Int32Ty;
78 case MVT::i64: return Type::Int64Ty;
79 case MVT::i128: return IntegerType::get(128);
80 case MVT::f32: return Type::FloatTy;
81 case MVT::f64: return Type::DoubleTy;
82 case MVT::f80: return Type::X86_FP80Ty;
83 case MVT::f128: return Type::FP128Ty;
84 case MVT::ppcf128: return Type::PPC_FP128Ty;
85 case MVT::v8i8: return VectorType::get(Type::Int8Ty, 8);
86 case MVT::v4i16: return VectorType::get(Type::Int16Ty, 4);
87 case MVT::v2i32: return VectorType::get(Type::Int32Ty, 2);
88 case MVT::v1i64: return VectorType::get(Type::Int64Ty, 1);
89 case MVT::v16i8: return VectorType::get(Type::Int8Ty, 16);
90 case MVT::v8i16: return VectorType::get(Type::Int16Ty, 8);
91 case MVT::v4i32: return VectorType::get(Type::Int32Ty, 4);
92 case MVT::v2i64: return VectorType::get(Type::Int64Ty, 2);
93 case MVT::v2f32: return VectorType::get(Type::FloatTy, 2);
94 case MVT::v4f32: return VectorType::get(Type::FloatTy, 4);
95 case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2);
96 case MVT::v3i32: return VectorType::get(Type::Int32Ty, 3);
97 case MVT::v3f32: return VectorType::get(Type::FloatTy, 3);
101 /// MVT::getValueType - Return the value type corresponding to the specified
102 /// type. This returns all pointers as MVT::iPTR. If HandleUnknown is true,
103 /// unknown types are returned as Other, otherwise they are invalid.
104 MVT::ValueType MVT::getValueType(const Type *Ty, bool HandleUnknown) {
105 switch (Ty->getTypeID()) {
107 if (HandleUnknown) return MVT::Other;
108 assert(0 && "Unknown type!");
111 case Type::IntegerTyID:
112 return getIntegerType(cast<IntegerType>(Ty)->getBitWidth());
113 case Type::FloatTyID: return MVT::f32;
114 case Type::DoubleTyID: return MVT::f64;
115 case Type::X86_FP80TyID: return MVT::f80;
116 case Type::FP128TyID: return MVT::f128;
117 case Type::PPC_FP128TyID: return MVT::ppcf128;
118 case Type::PointerTyID: return MVT::iPTR;
119 case Type::VectorTyID: {
120 const VectorType *VTy = cast<VectorType>(Ty);
121 return getVectorType(getValueType(VTy->getElementType(), false),
122 VTy->getNumElements());