1 //===- ValueSymbolTable.cpp - Implement the ValueSymbolTable class --------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
15 #include "llvm/Config/llvm-config.h"
34 #ifndef NDEBUG // Only do this in -g mode...  in ~ValueSymbolTable()
35   for (const auto &VI : vmap)  in ~ValueSymbolTable()
37            << *VI.getValue()->getType() << "' Name = '" << VI.getKeyData()  in ~ValueSymbolTable()
47   if (auto *GV = dyn_cast<GlobalValue>(V)) {  in makeUniqueName()
51     // On NVPTX we cannot use a dot because PTX only allows [A-Za-z0-9_$] for  in makeUniqueName()
54     const Module *M = GV->getParent();  in makeUniqueName()
55     if (!(M && Triple(M->getTargetTriple()).isNVPTX()))  in makeUniqueName()
67     // Retry if MaxNameSize has been exceeded.  in makeUniqueName()
68     if (MaxNameSize > -1 && UniqueName.size() > (size_t)MaxNameSize) {  in makeUniqueName()
69       assert(BaseSize >= UniqueName.size() - (size_t)MaxNameSize &&  in makeUniqueName()
71       BaseSize -= UniqueName.size() - (size_t)MaxNameSize;  in makeUniqueName()
75     auto IterBool = vmap.insert(std::make_pair(UniqueName.str(), V));  in makeUniqueName()
84   assert(V->hasName() && "Can't insert nameless Value into symbol table");  in reinsertValue()
87   if (vmap.insert(V->getValueName())) {  in reinsertValue()
88     // LLVM_DEBUG(dbgs() << " Inserted value: " << V->getValueName() << ": " <<  in reinsertValue()
94   SmallString<256> UniqueName(V->getName().begin(), V->getName().end());  in reinsertValue()
98   V->getValueName()->Destroy(Allocator);  in reinsertValue()
101   V->setValueName(VN);  in reinsertValue()
105   // LLVM_DEBUG(dbgs() << " Removing Value: " << V->getKeyData() << "\n");  in removeValueName()
110 /// createValueName - This method attempts to create a value name and insert
112 /// auto-renames the name and returns that instead.
114   if (MaxNameSize > -1 && Name.size() > (unsigned)MaxNameSize)  in createValueName()
118   auto IterBool = vmap.insert(std::make_pair(Name, V));  in createValueName()
131 // dump - print out the symbol table
135   for (const auto &I : *this) {  in dump()
136     // dbgs() << "  '" << I->getKeyData() << "' = ";  in dump()
137     I.getValue()->dump();  in dump()