| //===----------- ValueTypes.cpp - Implementation of MVT methods -----------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file 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/LLVMContext.h" |
| #include "llvm/Type.h" |
| #include "llvm/DerivedTypes.h" |
| #include "llvm/Support/ErrorHandling.h" |
| using namespace llvm; |
| |
| MVT MVT::getExtendedIntegerVT(unsigned BitWidth) { |
| MVT VT; |
| VT.LLVMTy = getGlobalContext().getIntegerType(BitWidth); |
| assert(VT.isExtended() && "Type is not extended!"); |
| return VT; |
| } |
| |
| MVT MVT::getExtendedVectorVT(MVT VT, unsigned NumElements) { |
| MVT ResultVT; |
| ResultVT.LLVMTy = getGlobalContext().getVectorType( |
| VT.getTypeForMVT(getGlobalContext()), |
| NumElements); |
| assert(ResultVT.isExtended() && "Type is not extended!"); |
| return ResultVT; |
| } |
| |
| bool MVT::isExtendedFloatingPoint() const { |
| assert(isExtended() && "Type is not extended!"); |
| return LLVMTy->isFPOrFPVector(); |
| } |
| |
| bool MVT::isExtendedInteger() const { |
| assert(isExtended() && "Type is not extended!"); |
| return LLVMTy->isIntOrIntVector(); |
| } |
| |
| bool MVT::isExtendedVector() const { |
| assert(isExtended() && "Type is not extended!"); |
| return isa<VectorType>(LLVMTy); |
| } |
| |
| bool MVT::isExtended64BitVector() const { |
| return isExtendedVector() && getSizeInBits() == 64; |
| } |
| |
| bool MVT::isExtended128BitVector() const { |
| return isExtendedVector() && getSizeInBits() == 128; |
| } |
| |
| bool MVT::isExtended256BitVector() const { |
| return isExtendedVector() && getSizeInBits() == 256; |
| } |
| |
| MVT MVT::getExtendedVectorElementType() const { |
| assert(isExtended() && "Type is not extended!"); |
| return MVT::getMVT(cast<VectorType>(LLVMTy)->getElementType()); |
| } |
| |
| unsigned MVT::getExtendedVectorNumElements() const { |
| assert(isExtended() && "Type is not extended!"); |
| return cast<VectorType>(LLVMTy)->getNumElements(); |
| } |
| |
| unsigned MVT::getExtendedSizeInBits() const { |
| assert(isExtended() && "Type is not extended!"); |
| if (const IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy)) |
| return ITy->getBitWidth(); |
| if (const VectorType *VTy = dyn_cast<VectorType>(LLVMTy)) |
| return VTy->getBitWidth(); |
| assert(false && "Unrecognized extended type!"); |
| return 0; // Suppress warnings. |
| } |
| |
| /// getMVTString - This function returns value type as a string, e.g. "i32". |
| std::string MVT::getMVTString() const { |
| switch (V) { |
| default: |
| if (isVector()) |
| return "v" + utostr(getVectorNumElements()) + |
| getVectorElementType().getMVTString(); |
| if (isInteger()) |
| return "i" + utostr(getSizeInBits()); |
| llvm_unreachable("Invalid MVT!"); |
| return "?"; |
| 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::v2i8: return "v2i8"; |
| case MVT::v4i8: return "v4i8"; |
| case MVT::v8i8: return "v8i8"; |
| case MVT::v16i8: return "v16i8"; |
| case MVT::v32i8: return "v32i8"; |
| case MVT::v2i16: return "v2i16"; |
| case MVT::v4i16: return "v4i16"; |
| case MVT::v8i16: return "v8i16"; |
| case MVT::v16i16: return "v16i16"; |
| case MVT::v2i32: return "v2i32"; |
| case MVT::v3i32: return "v3i32"; |
| case MVT::v4i32: return "v4i32"; |
| case MVT::v8i32: return "v8i32"; |
| case MVT::v1i64: return "v1i64"; |
| case MVT::v2i64: return "v2i64"; |
| case MVT::v4i64: return "v4i64"; |
| case MVT::v2f32: return "v2f32"; |
| case MVT::v3f32: return "v3f32"; |
| case MVT::v4f32: return "v4f32"; |
| case MVT::v8f32: return "v8f32"; |
| case MVT::v2f64: return "v2f64"; |
| case MVT::v4f64: return "v4f64"; |
| } |
| } |
| |
| /// getTypeForMVT - This method returns an LLVM type corresponding to the |
| /// specified MVT. For integer types, this returns an unsigned type. Note |
| /// that this will abort for types that cannot be represented. |
| const Type *MVT::getTypeForMVT(LLVMContext &Context) const { |
| switch (V) { |
| default: |
| assert(isExtended() && "Type is not extended!"); |
| return LLVMTy; |
| 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 Context.getIntegerType(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::v2i8: return Context.getVectorType(Type::Int8Ty, 2); |
| case MVT::v4i8: return Context.getVectorType(Type::Int8Ty, 4); |
| case MVT::v8i8: return Context.getVectorType(Type::Int8Ty, 8); |
| case MVT::v16i8: return Context.getVectorType(Type::Int8Ty, 16); |
| case MVT::v32i8: return Context.getVectorType(Type::Int8Ty, 32); |
| case MVT::v2i16: return Context.getVectorType(Type::Int16Ty, 2); |
| case MVT::v4i16: return Context.getVectorType(Type::Int16Ty, 4); |
| case MVT::v8i16: return Context.getVectorType(Type::Int16Ty, 8); |
| case MVT::v16i16: return Context.getVectorType(Type::Int16Ty, 16); |
| case MVT::v2i32: return Context.getVectorType(Type::Int32Ty, 2); |
| case MVT::v3i32: return Context.getVectorType(Type::Int32Ty, 3); |
| case MVT::v4i32: return Context.getVectorType(Type::Int32Ty, 4); |
| case MVT::v8i32: return Context.getVectorType(Type::Int32Ty, 8); |
| case MVT::v1i64: return Context.getVectorType(Type::Int64Ty, 1); |
| case MVT::v2i64: return Context.getVectorType(Type::Int64Ty, 2); |
| case MVT::v4i64: return Context.getVectorType(Type::Int64Ty, 4); |
| case MVT::v2f32: return Context.getVectorType(Type::FloatTy, 2); |
| case MVT::v3f32: return Context.getVectorType(Type::FloatTy, 3); |
| case MVT::v4f32: return Context.getVectorType(Type::FloatTy, 4); |
| case MVT::v8f32: return Context.getVectorType(Type::FloatTy, 8); |
| case MVT::v2f64: return Context.getVectorType(Type::DoubleTy, 2); |
| case MVT::v4f64: return Context.getVectorType(Type::DoubleTy, 4); |
| } |
| } |
| |
| /// getMVT - 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 MVT::getMVT(const Type *Ty, bool HandleUnknown){ |
| switch (Ty->getTypeID()) { |
| default: |
| if (HandleUnknown) return MVT::Other; |
| llvm_unreachable("Unknown type!"); |
| return MVT::isVoid; |
| case Type::VoidTyID: |
| return MVT::isVoid; |
| case Type::IntegerTyID: |
| return getIntegerVT(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 getVectorVT(getMVT(VTy->getElementType(), false), |
| VTy->getNumElements()); |
| } |
| } |
| } |