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da750239bd
This is useful for some ARM intrinsics such as VCVTN which does a <4 x float> <-> <4 x half> conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191870 91177308-0d34-0410-b5e6-96231b3b80d8
288 lines
12 KiB
C++
288 lines
12 KiB
C++
//===----------- ValueTypes.cpp - Implementation of EVT methods -----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements methods in the CodeGen/ValueTypes.h header.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/ValueTypes.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Type.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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EVT EVT::changeExtendedVectorElementTypeToInteger() const {
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LLVMContext &Context = LLVMTy->getContext();
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EVT IntTy = getIntegerVT(Context, getVectorElementType().getSizeInBits());
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return getVectorVT(Context, IntTy, getVectorNumElements());
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}
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EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
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EVT VT;
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VT.LLVMTy = IntegerType::get(Context, BitWidth);
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assert(VT.isExtended() && "Type is not extended!");
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return VT;
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}
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EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT,
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unsigned NumElements) {
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EVT ResultVT;
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ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), NumElements);
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assert(ResultVT.isExtended() && "Type is not extended!");
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return ResultVT;
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}
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bool EVT::isExtendedFloatingPoint() const {
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assert(isExtended() && "Type is not extended!");
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return LLVMTy->isFPOrFPVectorTy();
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}
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bool EVT::isExtendedInteger() const {
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assert(isExtended() && "Type is not extended!");
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return LLVMTy->isIntOrIntVectorTy();
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}
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bool EVT::isExtendedVector() const {
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assert(isExtended() && "Type is not extended!");
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return LLVMTy->isVectorTy();
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}
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bool EVT::isExtended16BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 16;
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}
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bool EVT::isExtended32BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 32;
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}
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bool EVT::isExtended64BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 64;
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}
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bool EVT::isExtended128BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 128;
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}
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bool EVT::isExtended256BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 256;
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}
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bool EVT::isExtended512BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 512;
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}
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bool EVT::isExtended1024BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 1024;
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}
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EVT EVT::getExtendedVectorElementType() const {
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assert(isExtended() && "Type is not extended!");
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return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
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}
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unsigned EVT::getExtendedVectorNumElements() const {
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assert(isExtended() && "Type is not extended!");
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return cast<VectorType>(LLVMTy)->getNumElements();
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}
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unsigned EVT::getExtendedSizeInBits() const {
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assert(isExtended() && "Type is not extended!");
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if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
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return ITy->getBitWidth();
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if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
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return VTy->getBitWidth();
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llvm_unreachable("Unrecognized extended type!");
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}
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/// getEVTString - This function returns value type as a string, e.g. "i32".
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std::string EVT::getEVTString() const {
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switch (V.SimpleTy) {
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default:
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if (isVector())
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return "v" + utostr(getVectorNumElements()) +
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getVectorElementType().getEVTString();
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if (isInteger())
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return "i" + utostr(getSizeInBits());
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llvm_unreachable("Invalid EVT!");
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case MVT::i1: return "i1";
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case MVT::i8: return "i8";
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case MVT::i16: return "i16";
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case MVT::i32: return "i32";
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case MVT::i64: return "i64";
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case MVT::i128: return "i128";
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case MVT::f16: return "f16";
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case MVT::f32: return "f32";
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case MVT::f64: return "f64";
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case MVT::f80: return "f80";
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case MVT::f128: return "f128";
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case MVT::ppcf128: return "ppcf128";
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case MVT::isVoid: return "isVoid";
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case MVT::Other: return "ch";
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case MVT::Glue: return "glue";
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case MVT::x86mmx: return "x86mmx";
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case MVT::v2i1: return "v2i1";
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case MVT::v4i1: return "v4i1";
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case MVT::v8i1: return "v8i1";
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case MVT::v16i1: return "v16i1";
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case MVT::v32i1: return "v32i1";
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case MVT::v64i1: return "v64i1";
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case MVT::v1i8: return "v1i8";
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case MVT::v2i8: return "v2i8";
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case MVT::v4i8: return "v4i8";
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case MVT::v8i8: return "v8i8";
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case MVT::v16i8: return "v16i8";
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case MVT::v32i8: return "v32i8";
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case MVT::v64i8: return "v64i8";
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case MVT::v1i16: return "v1i16";
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case MVT::v2i16: return "v2i16";
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case MVT::v4i16: return "v4i16";
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case MVT::v8i16: return "v8i16";
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case MVT::v16i16: return "v16i16";
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case MVT::v32i16: return "v32i16";
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case MVT::v1i32: return "v1i32";
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case MVT::v2i32: return "v2i32";
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case MVT::v4i32: return "v4i32";
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case MVT::v8i32: return "v8i32";
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case MVT::v16i32: return "v16i32";
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case MVT::v1i64: return "v1i64";
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case MVT::v2i64: return "v2i64";
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case MVT::v4i64: return "v4i64";
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case MVT::v8i64: return "v8i64";
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case MVT::v16i64: return "v16i64";
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case MVT::v1f32: return "v1f32";
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case MVT::v2f32: return "v2f32";
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case MVT::v2f16: return "v2f16";
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case MVT::v4f16: return "v4f16";
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case MVT::v8f16: return "v8f16";
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case MVT::v4f32: return "v4f32";
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case MVT::v8f32: return "v8f32";
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case MVT::v16f32: return "v16f32";
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case MVT::v1f64: return "v1f64";
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case MVT::v2f64: return "v2f64";
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case MVT::v4f64: return "v4f64";
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case MVT::v8f64: return "v8f64";
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case MVT::Metadata:return "Metadata";
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case MVT::Untyped: return "Untyped";
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}
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}
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/// getTypeForEVT - This method returns an LLVM type corresponding to the
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/// specified EVT. For integer types, this returns an unsigned type. Note
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/// that this will abort for types that cannot be represented.
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Type *EVT::getTypeForEVT(LLVMContext &Context) const {
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switch (V.SimpleTy) {
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default:
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assert(isExtended() && "Type is not extended!");
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return LLVMTy;
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case MVT::isVoid: return Type::getVoidTy(Context);
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case MVT::i1: return Type::getInt1Ty(Context);
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case MVT::i8: return Type::getInt8Ty(Context);
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case MVT::i16: return Type::getInt16Ty(Context);
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case MVT::i32: return Type::getInt32Ty(Context);
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case MVT::i64: return Type::getInt64Ty(Context);
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case MVT::i128: return IntegerType::get(Context, 128);
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case MVT::f16: return Type::getHalfTy(Context);
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case MVT::f32: return Type::getFloatTy(Context);
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case MVT::f64: return Type::getDoubleTy(Context);
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case MVT::f80: return Type::getX86_FP80Ty(Context);
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case MVT::f128: return Type::getFP128Ty(Context);
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case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
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case MVT::x86mmx: return Type::getX86_MMXTy(Context);
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case MVT::v2i1: return VectorType::get(Type::getInt1Ty(Context), 2);
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case MVT::v4i1: return VectorType::get(Type::getInt1Ty(Context), 4);
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case MVT::v8i1: return VectorType::get(Type::getInt1Ty(Context), 8);
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case MVT::v16i1: return VectorType::get(Type::getInt1Ty(Context), 16);
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case MVT::v32i1: return VectorType::get(Type::getInt1Ty(Context), 32);
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case MVT::v64i1: return VectorType::get(Type::getInt1Ty(Context), 64);
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case MVT::v1i8: return VectorType::get(Type::getInt8Ty(Context), 1);
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case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2);
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case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4);
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case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8);
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case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16);
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case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32);
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case MVT::v64i8: return VectorType::get(Type::getInt8Ty(Context), 64);
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case MVT::v1i16: return VectorType::get(Type::getInt16Ty(Context), 1);
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case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2);
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case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4);
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case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8);
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case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16);
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case MVT::v32i16: return VectorType::get(Type::getInt16Ty(Context), 32);
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case MVT::v1i32: return VectorType::get(Type::getInt32Ty(Context), 1);
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case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2);
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case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4);
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case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8);
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case MVT::v16i32: return VectorType::get(Type::getInt32Ty(Context), 16);
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case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1);
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case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2);
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case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4);
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case MVT::v8i64: return VectorType::get(Type::getInt64Ty(Context), 8);
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case MVT::v16i64: return VectorType::get(Type::getInt64Ty(Context), 16);
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case MVT::v2f16: return VectorType::get(Type::getHalfTy(Context), 2);
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case MVT::v4f16: return VectorType::get(Type::getHalfTy(Context), 4);
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case MVT::v8f16: return VectorType::get(Type::getHalfTy(Context), 8);
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case MVT::v1f32: return VectorType::get(Type::getFloatTy(Context), 1);
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case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2);
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case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4);
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case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8);
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case MVT::v16f32: return VectorType::get(Type::getFloatTy(Context), 16);
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case MVT::v1f64: return VectorType::get(Type::getDoubleTy(Context), 1);
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case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2);
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case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4);
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case MVT::v8f64: return VectorType::get(Type::getDoubleTy(Context), 8);
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case MVT::Metadata: return Type::getMetadataTy(Context);
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}
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}
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/// Return the value type corresponding to the specified type. This returns all
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/// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned
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/// as Other, otherwise they are invalid.
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MVT MVT::getVT(Type *Ty, bool HandleUnknown){
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switch (Ty->getTypeID()) {
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default:
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if (HandleUnknown) return MVT(MVT::Other);
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llvm_unreachable("Unknown type!");
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case Type::VoidTyID:
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return MVT::isVoid;
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case Type::IntegerTyID:
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return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
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case Type::HalfTyID: return MVT(MVT::f16);
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case Type::FloatTyID: return MVT(MVT::f32);
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case Type::DoubleTyID: return MVT(MVT::f64);
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case Type::X86_FP80TyID: return MVT(MVT::f80);
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case Type::X86_MMXTyID: return MVT(MVT::x86mmx);
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case Type::FP128TyID: return MVT(MVT::f128);
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case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
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case Type::PointerTyID: return MVT(MVT::iPTR);
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case Type::VectorTyID: {
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VectorType *VTy = cast<VectorType>(Ty);
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return getVectorVT(
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getVT(VTy->getElementType(), false), VTy->getNumElements());
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}
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}
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}
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/// getEVT - Return the value type corresponding to the specified type. This
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/// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
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/// are returned as Other, otherwise they are invalid.
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EVT EVT::getEVT(Type *Ty, bool HandleUnknown){
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switch (Ty->getTypeID()) {
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default:
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return MVT::getVT(Ty, HandleUnknown);
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case Type::IntegerTyID:
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return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
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case Type::VectorTyID: {
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VectorType *VTy = cast<VectorType>(Ty);
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return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false),
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VTy->getNumElements());
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}
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}
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}
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