| //===-- ValueTypes.cpp - Implementation of MVT::ValueType methods ---------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements methods in the CodeGen/ValueTypes.h header. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/CodeGen/ValueTypes.h" |
| #include "llvm/Type.h" |
| #include "llvm/DerivedTypes.h" |
| using namespace llvm; |
| |
| /// MVT::getValueTypeString - This function returns value type as a string, |
| /// e.g. "i32". |
| std::string MVT::getValueTypeString(MVT::ValueType VT) { |
| switch (VT) { |
| default: |
| if (isVector(VT)) |
| return "v" + utostr(getVectorNumElements(VT)) + |
| getValueTypeString(getVectorElementType(VT)); |
| if (isInteger(VT)) |
| return "i" + utostr(getSizeInBits(VT)); |
| assert(0 && "Invalid ValueType!"); |
| case MVT::i1: return "i1"; |
| case MVT::i8: return "i8"; |
| case MVT::i16: return "i16"; |
| case MVT::i32: return "i32"; |
| case MVT::i64: return "i64"; |
| case MVT::i128: return "i128"; |
| case MVT::f32: return "f32"; |
| case MVT::f64: return "f64"; |
| case MVT::f80: return "f80"; |
| case MVT::f128: return "f128"; |
| case MVT::ppcf128: return "ppcf128"; |
| case MVT::isVoid: return "isVoid"; |
| case MVT::Other: return "ch"; |
| case MVT::Flag: return "flag"; |
| case MVT::v8i8: return "v8i8"; |
| case MVT::v4i16: return "v4i16"; |
| case MVT::v2i32: return "v2i32"; |
| case MVT::v1i64: return "v1i64"; |
| case MVT::v16i8: return "v16i8"; |
| case MVT::v8i16: return "v8i16"; |
| case MVT::v4i32: return "v4i32"; |
| case MVT::v2i64: return "v2i64"; |
| case MVT::v2f32: return "v2f32"; |
| case MVT::v4f32: return "v4f32"; |
| case MVT::v2f64: return "v2f64"; |
| case MVT::v3i32: return "v3i32"; |
| case MVT::v3f32: return "v3f32"; |
| } |
| } |
| |
| /// MVT::getTypeForValueType - This method returns an LLVM type corresponding |
| /// to the specified ValueType. Note that this will abort for types that cannot |
| /// be represented. |
| const Type *MVT::getTypeForValueType(MVT::ValueType VT) { |
| switch (VT) { |
| default: |
| if (isVector(VT)) |
| return VectorType::get(getTypeForValueType(getVectorElementType(VT)), |
| getVectorNumElements(VT)); |
| if (isInteger(VT)) |
| return IntegerType::get(getSizeInBits(VT)); |
| assert(0 && "ValueType does not correspond to LLVM type!"); |
| case MVT::isVoid:return Type::VoidTy; |
| case MVT::i1: return Type::Int1Ty; |
| case MVT::i8: return Type::Int8Ty; |
| case MVT::i16: return Type::Int16Ty; |
| case MVT::i32: return Type::Int32Ty; |
| case MVT::i64: return Type::Int64Ty; |
| case MVT::i128: return IntegerType::get(128); |
| case MVT::f32: return Type::FloatTy; |
| case MVT::f64: return Type::DoubleTy; |
| case MVT::f80: return Type::X86_FP80Ty; |
| case MVT::f128: return Type::FP128Ty; |
| case MVT::ppcf128: return Type::PPC_FP128Ty; |
| case MVT::v8i8: return VectorType::get(Type::Int8Ty, 8); |
| case MVT::v4i16: return VectorType::get(Type::Int16Ty, 4); |
| case MVT::v2i32: return VectorType::get(Type::Int32Ty, 2); |
| case MVT::v1i64: return VectorType::get(Type::Int64Ty, 1); |
| case MVT::v16i8: return VectorType::get(Type::Int8Ty, 16); |
| case MVT::v8i16: return VectorType::get(Type::Int16Ty, 8); |
| case MVT::v4i32: return VectorType::get(Type::Int32Ty, 4); |
| case MVT::v2i64: return VectorType::get(Type::Int64Ty, 2); |
| case MVT::v2f32: return VectorType::get(Type::FloatTy, 2); |
| case MVT::v4f32: return VectorType::get(Type::FloatTy, 4); |
| case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2); |
| case MVT::v3i32: return VectorType::get(Type::Int32Ty, 3); |
| case MVT::v3f32: return VectorType::get(Type::FloatTy, 3); |
| } |
| } |
| |
| /// MVT::getValueType - Return the value type corresponding to the specified |
| /// type. This returns all pointers as MVT::iPTR. If HandleUnknown is true, |
| /// unknown types are returned as Other, otherwise they are invalid. |
| MVT::ValueType MVT::getValueType(const Type *Ty, bool HandleUnknown) { |
| switch (Ty->getTypeID()) { |
| default: |
| if (HandleUnknown) return MVT::Other; |
| assert(0 && "Unknown type!"); |
| case Type::VoidTyID: |
| return MVT::isVoid; |
| case Type::IntegerTyID: |
| return getIntegerType(cast<IntegerType>(Ty)->getBitWidth()); |
| case Type::FloatTyID: return MVT::f32; |
| case Type::DoubleTyID: return MVT::f64; |
| case Type::X86_FP80TyID: return MVT::f80; |
| case Type::FP128TyID: return MVT::f128; |
| case Type::PPC_FP128TyID: return MVT::ppcf128; |
| case Type::PointerTyID: return MVT::iPTR; |
| case Type::VectorTyID: { |
| const VectorType *VTy = cast<VectorType>(Ty); |
| return getVectorType(getValueType(VTy->getElementType(), false), |
| VTy->getNumElements()); |
| } |
| } |
| } |