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eb66b33867
I did this a long time ago with a janky python script, but now clang-format has built-in support for this. I fed clang-format every line with a #include and let it re-sort things according to the precise LLVM rules for include ordering baked into clang-format these days. I've reverted a number of files where the results of sorting includes isn't healthy. Either places where we have legacy code relying on particular include ordering (where possible, I'll fix these separately) or where we have particular formatting around #include lines that I didn't want to disturb in this patch. This patch is *entirely* mechanical. If you get merge conflicts or anything, just ignore the changes in this patch and run clang-format over your #include lines in the files. Sorry for any noise here, but it is important to keep these things stable. I was seeing an increasing number of patches with irrelevant re-ordering of #include lines because clang-format was used. This patch at least isolates that churn, makes it easy to skip when resolving conflicts, and gets us to a clean baseline (again). llvm-svn: 304787
115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
//===- ValueSymbolTable.cpp - Implement the ValueSymbolTable class --------===//
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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 ValueSymbolTable class for the IR library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/ValueSymbolTable.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/IR/GlobalValue.h"
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#include "llvm/IR/Type.h"
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#include "llvm/IR/Value.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cassert>
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#include <utility>
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using namespace llvm;
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#define DEBUG_TYPE "valuesymtab"
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// Class destructor
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ValueSymbolTable::~ValueSymbolTable() {
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#ifndef NDEBUG // Only do this in -g mode...
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for (const auto &VI : vmap)
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dbgs() << "Value still in symbol table! Type = '"
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<< *VI.getValue()->getType() << "' Name = '" << VI.getKeyData()
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<< "'\n";
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assert(vmap.empty() && "Values remain in symbol table!");
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#endif
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}
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ValueName *ValueSymbolTable::makeUniqueName(Value *V,
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SmallString<256> &UniqueName) {
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unsigned BaseSize = UniqueName.size();
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while (true) {
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// Trim any suffix off and append the next number.
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UniqueName.resize(BaseSize);
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raw_svector_ostream S(UniqueName);
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if (isa<GlobalValue>(V))
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S << ".";
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S << ++LastUnique;
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// Try insert the vmap entry with this suffix.
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auto IterBool = vmap.insert(std::make_pair(UniqueName, V));
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if (IterBool.second)
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return &*IterBool.first;
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}
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}
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// Insert a value into the symbol table with the specified name...
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//
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void ValueSymbolTable::reinsertValue(Value* V) {
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assert(V->hasName() && "Can't insert nameless Value into symbol table");
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// Try inserting the name, assuming it won't conflict.
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if (vmap.insert(V->getValueName())) {
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//DEBUG(dbgs() << " Inserted value: " << V->getValueName() << ": " << *V << "\n");
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return;
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}
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// Otherwise, there is a naming conflict. Rename this value.
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SmallString<256> UniqueName(V->getName().begin(), V->getName().end());
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// The name is too already used, just free it so we can allocate a new name.
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V->getValueName()->Destroy();
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ValueName *VN = makeUniqueName(V, UniqueName);
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V->setValueName(VN);
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}
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void ValueSymbolTable::removeValueName(ValueName *V) {
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//DEBUG(dbgs() << " Removing Value: " << V->getKeyData() << "\n");
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// Remove the value from the symbol table.
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vmap.remove(V);
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}
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/// createValueName - This method attempts to create a value name and insert
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/// it into the symbol table with the specified name. If it conflicts, it
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/// auto-renames the name and returns that instead.
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ValueName *ValueSymbolTable::createValueName(StringRef Name, Value *V) {
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// In the common case, the name is not already in the symbol table.
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auto IterBool = vmap.insert(std::make_pair(Name, V));
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if (IterBool.second) {
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//DEBUG(dbgs() << " Inserted value: " << Entry.getKeyData() << ": "
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// << *V << "\n");
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return &*IterBool.first;
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}
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// Otherwise, there is a naming conflict. Rename this value.
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SmallString<256> UniqueName(Name.begin(), Name.end());
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return makeUniqueName(V, UniqueName);
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}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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// dump - print out the symbol table
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//
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LLVM_DUMP_METHOD void ValueSymbolTable::dump() const {
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//dbgs() << "ValueSymbolTable:\n";
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for (const auto &I : *this) {
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//dbgs() << " '" << I->getKeyData() << "' = ";
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I.getValue()->dump();
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//dbgs() << "\n";
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}
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}
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#endif
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