| //===-- 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/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". |
| const char *MVT::getValueTypeString(MVT::ValueType VT) { |
| switch (VT) { |
| default: 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::isVoid:return "isVoid"; |
| case MVT::Other: return "ch"; |
| case MVT::Flag: return "flag"; |
| case MVT::Vector:return "vec"; |
| 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::v4f32: return "v4f32"; |
| case MVT::v2f64: return "v2f64"; |
| } |
| } |
| |
| /// MVT::getVectorType - Returns the ValueType that represents a vector |
| /// NumElements in length, where each element is of type VT. If there is no |
| /// ValueType that represents this vector, a ValueType of Other is returned. |
| /// |
| MVT::ValueType MVT::getVectorType(ValueType VT, unsigned NumElements) { |
| switch (VT) { |
| default: |
| break; |
| case MVT::i8: |
| if (NumElements == 8) return MVT::v8i8; |
| if (NumElements == 16) return MVT::v16i8; |
| break; |
| case MVT::i16: |
| if (NumElements == 4) return MVT::v4i16; |
| if (NumElements == 8) return MVT::v8i16; |
| break; |
| case MVT::i32: |
| if (NumElements == 2) return MVT::v2i32; |
| if (NumElements == 4) return MVT::v4i32; |
| break; |
| case MVT::i64: |
| if (NumElements == 1) return MVT::v1i64; |
| if (NumElements == 2) return MVT::v2i64; |
| break; |
| case MVT::f32: |
| if (NumElements == 2) return MVT::v2f32; |
| if (NumElements == 4) return MVT::v4f32; |
| break; |
| case MVT::f64: |
| if (NumElements == 2) return MVT::v2f64; |
| break; |
| } |
| return MVT::Other; |
| } |
| |
| /// 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: 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::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::v4f32: return VectorType::get(Type::FloatTy, 4); |
| case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2); |
| } |
| } |
| |
| /// MVT::getValueType - Return the value type corresponding to the specified |
| /// type. This returns all vectors as MVT::Vector and 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: |
| switch (cast<IntegerType>(Ty)->getBitWidth()) { |
| default: |
| // FIXME: Return MVT::iANY. |
| if (HandleUnknown) return MVT::Other; |
| assert(0 && "Invalid width for value type"); |
| case 1: return MVT::i1; |
| case 8: return MVT::i8; |
| case 16: return MVT::i16; |
| case 32: return MVT::i32; |
| case 64: return MVT::i64; |
| case 128: return MVT::i128; |
| } |
| break; |
| case Type::FloatTyID: return MVT::f32; |
| case Type::DoubleTyID: return MVT::f64; |
| case Type::PointerTyID: return MVT::iPTR; |
| case Type::VectorTyID: return MVT::Vector; |
| } |
| } |