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https://github.com/c64scene-ar/llvm-6502.git
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2a82d82936
Now that the type system rewrite has landed, there is no need for its complexity and std::map'ness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148691 91177308-0d34-0410-b5e6-96231b3b80d8
117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
//===-- LLVMContextImpl.cpp - Implement LLVMContextImpl -------------------===//
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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 the opaque LLVMContextImpl.
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//
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//===----------------------------------------------------------------------===//
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#include "LLVMContextImpl.h"
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#include "llvm/Module.h"
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#include "llvm/ADT/STLExtras.h"
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#include <algorithm>
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using namespace llvm;
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LLVMContextImpl::LLVMContextImpl(LLVMContext &C)
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: TheTrueVal(0), TheFalseVal(0),
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VoidTy(C, Type::VoidTyID),
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LabelTy(C, Type::LabelTyID),
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HalfTy(C, Type::HalfTyID),
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FloatTy(C, Type::FloatTyID),
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DoubleTy(C, Type::DoubleTyID),
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MetadataTy(C, Type::MetadataTyID),
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X86_FP80Ty(C, Type::X86_FP80TyID),
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FP128Ty(C, Type::FP128TyID),
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PPC_FP128Ty(C, Type::PPC_FP128TyID),
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X86_MMXTy(C, Type::X86_MMXTyID),
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Int1Ty(C, 1),
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Int8Ty(C, 8),
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Int16Ty(C, 16),
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Int32Ty(C, 32),
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Int64Ty(C, 64) {
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InlineAsmDiagHandler = 0;
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InlineAsmDiagContext = 0;
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NamedStructTypesUniqueID = 0;
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}
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namespace {
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struct DropReferences {
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// Takes the value_type of a ConstantUniqueMap's internal map, whose 'second'
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// is a Constant*.
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template<typename PairT>
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void operator()(const PairT &P) {
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P.second->dropAllReferences();
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}
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};
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}
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LLVMContextImpl::~LLVMContextImpl() {
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// NOTE: We need to delete the contents of OwnedModules, but we have to
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// duplicate it into a temporary vector, because the destructor of Module
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// will try to remove itself from OwnedModules set. This would cause
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// iterator invalidation if we iterated on the set directly.
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std::vector<Module*> Modules(OwnedModules.begin(), OwnedModules.end());
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DeleteContainerPointers(Modules);
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std::for_each(ExprConstants.map_begin(), ExprConstants.map_end(),
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DropReferences());
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std::for_each(ArrayConstants.map_begin(), ArrayConstants.map_end(),
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DropReferences());
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std::for_each(StructConstants.map_begin(), StructConstants.map_end(),
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DropReferences());
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std::for_each(VectorConstants.map_begin(), VectorConstants.map_end(),
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DropReferences());
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ExprConstants.freeConstants();
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ArrayConstants.freeConstants();
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StructConstants.freeConstants();
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VectorConstants.freeConstants();
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CAZConstants.clear();
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NullPtrConstants.freeConstants();
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UndefValueConstants.freeConstants();
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InlineAsms.freeConstants();
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DeleteContainerSeconds(IntConstants);
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DeleteContainerSeconds(FPConstants);
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// Destroy MDNodes. ~MDNode can move and remove nodes between the MDNodeSet
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// and the NonUniquedMDNodes sets, so copy the values out first.
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SmallVector<MDNode*, 8> MDNodes;
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MDNodes.reserve(MDNodeSet.size() + NonUniquedMDNodes.size());
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for (FoldingSetIterator<MDNode> I = MDNodeSet.begin(), E = MDNodeSet.end();
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I != E; ++I)
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MDNodes.push_back(&*I);
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MDNodes.append(NonUniquedMDNodes.begin(), NonUniquedMDNodes.end());
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for (SmallVectorImpl<MDNode *>::iterator I = MDNodes.begin(),
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E = MDNodes.end(); I != E; ++I)
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(*I)->destroy();
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assert(MDNodeSet.empty() && NonUniquedMDNodes.empty() &&
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"Destroying all MDNodes didn't empty the Context's sets.");
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// Destroy MDStrings.
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DeleteContainerSeconds(MDStringCache);
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}
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// ConstantsContext anchors
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void UnaryConstantExpr::anchor() { }
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void BinaryConstantExpr::anchor() { }
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void SelectConstantExpr::anchor() { }
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void ExtractElementConstantExpr::anchor() { }
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void InsertElementConstantExpr::anchor() { }
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void ShuffleVectorConstantExpr::anchor() { }
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void ExtractValueConstantExpr::anchor() { }
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void InsertValueConstantExpr::anchor() { }
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void GetElementPtrConstantExpr::anchor() { }
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void CompareConstantExpr::anchor() { }
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