mirror of
https://github.com/c64scene-ar/llvm-6502.git
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into their new header subdirectory: include/llvm/IR. This matches the directory structure of lib, and begins to correct a long standing point of file layout clutter in LLVM. There are still more header files to move here, but I wanted to handle them in separate commits to make tracking what files make sense at each layer easier. The only really questionable files here are the target intrinsic tablegen files. But that's a battle I'd rather not fight today. I've updated both CMake and Makefile build systems (I think, and my tests think, but I may have missed something). I've also re-sorted the includes throughout the project. I'll be committing updates to Clang, DragonEgg, and Polly momentarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8
150 lines
4.8 KiB
C++
150 lines
4.8 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/ADT/STLExtras.h"
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#include "llvm/IR/Attributes.h"
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#include "llvm/IR/Module.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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DiagHandler = 0;
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DiagContext = 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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// Temporary - drops pair.first instead of second.
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struct DropFirst {
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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.first->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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// Free the constants. This is important to do here to ensure that they are
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// freed before the LeakDetector is torn down.
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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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DropFirst());
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std::for_each(StructConstants.map_begin(), StructConstants.map_end(),
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DropFirst());
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std::for_each(VectorConstants.map_begin(), VectorConstants.map_end(),
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DropFirst());
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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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DeleteContainerSeconds(CAZConstants);
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DeleteContainerSeconds(CPNConstants);
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DeleteContainerSeconds(UVConstants);
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InlineAsms.freeConstants();
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DeleteContainerSeconds(IntConstants);
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DeleteContainerSeconds(FPConstants);
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for (StringMap<ConstantDataSequential*>::iterator I = CDSConstants.begin(),
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E = CDSConstants.end(); I != E; ++I)
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delete I->second;
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CDSConstants.clear();
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// Destroy attributes.
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for (FoldingSetIterator<AttributeImpl> I = AttrsSet.begin(),
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E = AttrsSet.end(); I != E; ) {
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FoldingSetIterator<AttributeImpl> Elem = I++;
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delete &*Elem;
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}
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// Destroy attribute lists.
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for (FoldingSetIterator<AttributeSetImpl> I = AttrsLists.begin(),
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E = AttrsLists.end(); I != E; ) {
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FoldingSetIterator<AttributeSetImpl> Elem = I++;
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delete &*Elem;
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}
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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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