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//===----------- ValueTypes.cpp - Implementation of EVT 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;
EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
EVT VT;
VT.LLVMTy = IntegerType::get(Context, BitWidth);
assert(VT.isExtended() && "Type is not extended!");
return VT;
}
EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT,
unsigned NumElements) {
EVT ResultVT;
ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), NumElements);
assert(ResultVT.isExtended() && "Type is not extended!");
return ResultVT;
}
bool EVT::isExtendedFloatingPoint() const {
assert(isExtended() && "Type is not extended!");
return LLVMTy->isFPOrFPVectorTy();
}
bool EVT::isExtendedInteger() const {
assert(isExtended() && "Type is not extended!");
return LLVMTy->isIntOrIntVectorTy();
}
bool EVT::isExtendedVector() const {
assert(isExtended() && "Type is not extended!");
return LLVMTy->isVectorTy();
}
bool EVT::isExtended64BitVector() const {
return isExtendedVector() && getSizeInBits() == 64;
}
bool EVT::isExtended128BitVector() const {
return isExtendedVector() && getSizeInBits() == 128;
}
bool EVT::isExtended256BitVector() const {
return isExtendedVector() && getSizeInBits() == 256;
}
bool EVT::isExtended512BitVector() const {
return isExtendedVector() && getSizeInBits() == 512;
}
EVT EVT::getExtendedVectorElementType() const {
assert(isExtended() && "Type is not extended!");
return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
}
unsigned EVT::getExtendedVectorNumElements() const {
assert(isExtended() && "Type is not extended!");
return cast<VectorType>(LLVMTy)->getNumElements();
}
unsigned EVT::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.
}
/// getEVTString - This function returns value type as a string, e.g. "i32".
std::string EVT::getEVTString() const {
switch (V.SimpleTy) {
default:
if (isVector())
return "v" + utostr(getVectorNumElements()) +
getVectorElementType().getEVTString();
if (isInteger())
return "i" + utostr(getSizeInBits());
llvm_unreachable("Invalid EVT!");
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::x86mmx: return "x86mmx";
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::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::v8i64: return "v8i64";
case MVT::v2f32: return "v2f32";
case MVT::v4f32: return "v4f32";
case MVT::v8f32: return "v8f32";
case MVT::v2f64: return "v2f64";
case MVT::v4f64: return "v4f64";
case MVT::Metadata:return "Metadata";
}
}
/// getTypeForEVT - This method returns an LLVM type corresponding to the
/// specified EVT. For integer types, this returns an unsigned type. Note
/// that this will abort for types that cannot be represented.
const Type *EVT::getTypeForEVT(LLVMContext &Context) const {
switch (V.SimpleTy) {
default:
assert(isExtended() && "Type is not extended!");
return LLVMTy;
case MVT::isVoid: return Type::getVoidTy(Context);
case MVT::i1: return Type::getInt1Ty(Context);
case MVT::i8: return Type::getInt8Ty(Context);
case MVT::i16: return Type::getInt16Ty(Context);
case MVT::i32: return Type::getInt32Ty(Context);
case MVT::i64: return Type::getInt64Ty(Context);
case MVT::i128: return IntegerType::get(Context, 128);
case MVT::f32: return Type::getFloatTy(Context);
case MVT::f64: return Type::getDoubleTy(Context);
case MVT::f80: return Type::getX86_FP80Ty(Context);
case MVT::f128: return Type::getFP128Ty(Context);
case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
case MVT::x86mmx: return Type::getX86_MMXTy(Context);
case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2);
case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4);
case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8);
case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16);
case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32);
case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2);
case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4);
case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8);
case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16);
case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2);
case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4);
case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8);
case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1);
case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2);
case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4);
case MVT::v8i64: return VectorType::get(Type::getInt64Ty(Context), 8);
case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2);
case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4);
case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8);
case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2);
case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4);
case MVT::Metadata: return Type::getMetadataTy(Context);
}
}
/// getEVT - 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.
EVT EVT::getEVT(const Type *Ty, bool HandleUnknown){
switch (Ty->getTypeID()) {
default:
if (HandleUnknown) return MVT(MVT::Other);
llvm_unreachable("Unknown type!");
return MVT::isVoid;
case Type::VoidTyID:
return MVT::isVoid;
case Type::IntegerTyID:
return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
case Type::FloatTyID: return MVT(MVT::f32);
case Type::DoubleTyID: return MVT(MVT::f64);
case Type::X86_FP80TyID: return MVT(MVT::f80);
case Type::X86_MMXTyID: return MVT(MVT::x86mmx);
case Type::FP128TyID: return MVT(MVT::f128);
case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
case Type::PointerTyID: return MVT(MVT::iPTR);
case Type::VectorTyID: {
const VectorType *VTy = cast<VectorType>(Ty);
return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false),
VTy->getNumElements());
}
}
}
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