From 6ffe9e53658409f212834330e13564e4952558f6 Mon Sep 17 00:00:00 2001
From: vitalyisaev <vitalyisaev@yandex-team.com>
Date: Thu, 29 Jun 2023 10:00:50 +0300
Subject: YQ Connector: support managed ClickHouse
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Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
---
contrib/libs/llvm16/lib/IR/ValueSymbolTable.cpp | 130 ++++++++++++++++++++++++
1 file changed, 130 insertions(+)
create mode 100644 contrib/libs/llvm16/lib/IR/ValueSymbolTable.cpp
(limited to 'contrib/libs/llvm16/lib/IR/ValueSymbolTable.cpp')
diff --git a/contrib/libs/llvm16/lib/IR/ValueSymbolTable.cpp b/contrib/libs/llvm16/lib/IR/ValueSymbolTable.cpp
new file mode 100644
index 0000000000..cf85a571f9
--- /dev/null
+++ b/contrib/libs/llvm16/lib/IR/ValueSymbolTable.cpp
@@ -0,0 +1,130 @@
+//===- ValueSymbolTable.cpp - Implement the ValueSymbolTable class --------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the ValueSymbolTable class for the IR library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/IR/ValueSymbolTable.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Config/llvm-config.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Type.h"
+#include "llvm/IR/Value.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cassert>
+#include <utility>
+
+using namespace llvm;
+
+#define DEBUG_TYPE "valuesymtab"
+
+// Class destructor
+ValueSymbolTable::~ValueSymbolTable() {
+#ifndef NDEBUG // Only do this in -g mode...
+ for (const auto &VI : vmap)
+ dbgs() << "Value still in symbol table! Type = '"
+ << *VI.getValue()->getType() << "' Name = '" << VI.getKeyData()
+ << "'\n";
+ assert(vmap.empty() && "Values remain in symbol table!");
+#endif
+}
+
+ValueName *ValueSymbolTable::makeUniqueName(Value *V,
+ SmallString<256> &UniqueName) {
+ unsigned BaseSize = UniqueName.size();
+ while (true) {
+ // Trim any suffix off and append the next number.
+ UniqueName.resize(BaseSize);
+ raw_svector_ostream S(UniqueName);
+ if (auto *GV = dyn_cast<GlobalValue>(V)) {
+ // A dot is appended to mark it as clone during ABI demangling so that
+ // for example "_Z1fv" and "_Z1fv.1" both demangle to "f()", the second
+ // one being a clone.
+ // On NVPTX we cannot use a dot because PTX only allows [A-Za-z0-9_$] for
+ // identifiers. This breaks ABI demangling but at least ptxas accepts and
+ // compiles the program.
+ const Module *M = GV->getParent();
+ if (!(M && Triple(M->getTargetTriple()).isNVPTX()))
+ S << ".";
+ }
+ S << ++LastUnique;
+
+ // Try insert the vmap entry with this suffix.
+ auto IterBool = vmap.insert(std::make_pair(UniqueName.str(), V));
+ if (IterBool.second)
+ return &*IterBool.first;
+ }
+}
+
+// Insert a value into the symbol table with the specified name...
+//
+void ValueSymbolTable::reinsertValue(Value *V) {
+ assert(V->hasName() && "Can't insert nameless Value into symbol table");
+
+ // Try inserting the name, assuming it won't conflict.
+ if (vmap.insert(V->getValueName())) {
+ // LLVM_DEBUG(dbgs() << " Inserted value: " << V->getValueName() << ": " <<
+ // *V << "\n");
+ return;
+ }
+
+ // Otherwise, there is a naming conflict. Rename this value.
+ SmallString<256> UniqueName(V->getName().begin(), V->getName().end());
+
+ // The name is too already used, just free it so we can allocate a new name.
+ MallocAllocator Allocator;
+ V->getValueName()->Destroy(Allocator);
+
+ ValueName *VN = makeUniqueName(V, UniqueName);
+ V->setValueName(VN);
+}
+
+void ValueSymbolTable::removeValueName(ValueName *V) {
+ // LLVM_DEBUG(dbgs() << " Removing Value: " << V->getKeyData() << "\n");
+ // Remove the value from the symbol table.
+ vmap.remove(V);
+}
+
+/// createValueName - This method attempts to create a value name and insert
+/// it into the symbol table with the specified name. If it conflicts, it
+/// auto-renames the name and returns that instead.
+ValueName *ValueSymbolTable::createValueName(StringRef Name, Value *V) {
+ if (MaxNameSize > -1 && Name.size() > (unsigned)MaxNameSize)
+ Name = Name.substr(0, std::max(1u, (unsigned)MaxNameSize));
+
+ // In the common case, the name is not already in the symbol table.
+ auto IterBool = vmap.insert(std::make_pair(Name, V));
+ if (IterBool.second) {
+ // LLVM_DEBUG(dbgs() << " Inserted value: " << Entry.getKeyData() << ": "
+ // << *V << "\n");
+ return &*IterBool.first;
+ }
+
+ // Otherwise, there is a naming conflict. Rename this value.
+ SmallString<256> UniqueName(Name.begin(), Name.end());
+ return makeUniqueName(V, UniqueName);
+}
+
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+// dump - print out the symbol table
+//
+LLVM_DUMP_METHOD void ValueSymbolTable::dump() const {
+ // dbgs() << "ValueSymbolTable:\n";
+ for (const auto &I : *this) {
+ // dbgs() << " '" << I->getKeyData() << "' = ";
+ I.getValue()->dump();
+ // dbgs() << "\n";
+ }
+}
+#endif
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