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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
321 lines
13 KiB
C++
321 lines
13 KiB
C++
//===----------- ValueTypes.cpp - Implementation of EVT methods -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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/Type.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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EVT EVT::changeExtendedTypeToInteger() const {
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LLVMContext &Context = LLVMTy->getContext();
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return getIntegerVT(Context, getSizeInBits());
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}
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EVT EVT::changeExtendedVectorElementTypeToInteger() const {
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LLVMContext &Context = LLVMTy->getContext();
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EVT IntTy = getIntegerVT(Context, getScalarSizeInBits());
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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::isExtendedScalarInteger() const {
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assert(isExtended() && "Type is not extended!");
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return LLVMTy->isIntegerTy();
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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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bool EVT::isExtended2048BitVector() const {
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return isExtendedVector() && getExtendedSizeInBits() == 2048;
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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::v1i1: return "v1i1";
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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::v128i1: return "v128i1";
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case MVT::v512i1: return "v512i1";
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case MVT::v1024i1: return "v1024i1";
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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::v128i8: return "v128i8";
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case MVT::v256i8: return "v256i8";
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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::v64i16: return "v64i16";
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case MVT::v128i16: return "v128i16";
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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::v32i32: return "v32i32";
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case MVT::v64i32: return "v64i32";
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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::v32i64: return "v32i64";
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case MVT::v1i128: return "v1i128";
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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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case MVT::ExceptRef: return "ExceptRef";
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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::v1i1: return VectorType::get(Type::getInt1Ty(Context), 1);
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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::v128i1: return VectorType::get(Type::getInt1Ty(Context), 128);
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case MVT::v512i1: return VectorType::get(Type::getInt1Ty(Context), 512);
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case MVT::v1024i1: return VectorType::get(Type::getInt1Ty(Context), 1024);
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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::v128i8: return VectorType::get(Type::getInt8Ty(Context), 128);
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case MVT::v256i8: return VectorType::get(Type::getInt8Ty(Context), 256);
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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::v64i16: return VectorType::get(Type::getInt16Ty(Context), 64);
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case MVT::v128i16: return VectorType::get(Type::getInt16Ty(Context), 128);
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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::v32i32: return VectorType::get(Type::getInt32Ty(Context), 32);
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case MVT::v64i32: return VectorType::get(Type::getInt32Ty(Context), 64);
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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::v32i64: return VectorType::get(Type::getInt64Ty(Context), 32);
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case MVT::v1i128: return VectorType::get(Type::getInt128Ty(Context), 1);
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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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