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authororivej <orivej@yandex-team.ru>2022-02-10 16:45:01 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:01 +0300
commit2d37894b1b037cf24231090eda8589bbb44fb6fc (patch)
treebe835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp
parent718c552901d703c502ccbefdfc3c9028d608b947 (diff)
downloadydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp')
-rw-r--r--contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp414
1 files changed, 207 insertions, 207 deletions
diff --git a/contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp b/contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp
index ae1c463b08..a6327bbf21 100644
--- a/contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp
+++ b/contrib/libs/llvm12/lib/Transforms/Utils/CloneModule.cpp
@@ -1,122 +1,122 @@
-//===- CloneModule.cpp - Clone an entire module ---------------------------===//
-//
-// 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 CloneModule interface which makes a copy of an
-// entire module.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/IR/Constant.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Transforms/Utils/Cloning.h"
-#include "llvm/Transforms/Utils/ValueMapper.h"
-using namespace llvm;
-
-static void copyComdat(GlobalObject *Dst, const GlobalObject *Src) {
- const Comdat *SC = Src->getComdat();
- if (!SC)
- return;
- Comdat *DC = Dst->getParent()->getOrInsertComdat(SC->getName());
- DC->setSelectionKind(SC->getSelectionKind());
- Dst->setComdat(DC);
-}
-
-/// This is not as easy as it might seem because we have to worry about making
-/// copies of global variables and functions, and making their (initializers and
-/// references, respectively) refer to the right globals.
-///
-std::unique_ptr<Module> llvm::CloneModule(const Module &M) {
- // Create the value map that maps things from the old module over to the new
- // module.
- ValueToValueMapTy VMap;
- return CloneModule(M, VMap);
-}
-
-std::unique_ptr<Module> llvm::CloneModule(const Module &M,
- ValueToValueMapTy &VMap) {
- return CloneModule(M, VMap, [](const GlobalValue *GV) { return true; });
-}
-
-std::unique_ptr<Module> llvm::CloneModule(
- const Module &M, ValueToValueMapTy &VMap,
- function_ref<bool(const GlobalValue *)> ShouldCloneDefinition) {
- // First off, we need to create the new module.
- std::unique_ptr<Module> New =
- std::make_unique<Module>(M.getModuleIdentifier(), M.getContext());
- New->setSourceFileName(M.getSourceFileName());
- New->setDataLayout(M.getDataLayout());
- New->setTargetTriple(M.getTargetTriple());
- New->setModuleInlineAsm(M.getModuleInlineAsm());
-
- // Loop over all of the global variables, making corresponding globals in the
- // new module. Here we add them to the VMap and to the new Module. We
- // don't worry about attributes or initializers, they will come later.
- //
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- GlobalVariable *GV = new GlobalVariable(*New,
- I->getValueType(),
- I->isConstant(), I->getLinkage(),
- (Constant*) nullptr, I->getName(),
- (GlobalVariable*) nullptr,
- I->getThreadLocalMode(),
- I->getType()->getAddressSpace());
- GV->copyAttributesFrom(&*I);
- VMap[&*I] = GV;
- }
-
- // Loop over the functions in the module, making external functions as before
- for (const Function &I : M) {
- Function *NF =
- Function::Create(cast<FunctionType>(I.getValueType()), I.getLinkage(),
- I.getAddressSpace(), I.getName(), New.get());
- NF->copyAttributesFrom(&I);
- VMap[&I] = NF;
- }
-
- // Loop over the aliases in the module
- for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
- I != E; ++I) {
- if (!ShouldCloneDefinition(&*I)) {
- // An alias cannot act as an external reference, so we need to create
- // either a function or a global variable depending on the value type.
- // FIXME: Once pointee types are gone we can probably pick one or the
- // other.
- GlobalValue *GV;
- if (I->getValueType()->isFunctionTy())
- GV = Function::Create(cast<FunctionType>(I->getValueType()),
- GlobalValue::ExternalLinkage,
- I->getAddressSpace(), I->getName(), New.get());
- else
- GV = new GlobalVariable(
- *New, I->getValueType(), false, GlobalValue::ExternalLinkage,
- nullptr, I->getName(), nullptr,
- I->getThreadLocalMode(), I->getType()->getAddressSpace());
- VMap[&*I] = GV;
- // We do not copy attributes (mainly because copying between different
- // kinds of globals is forbidden), but this is generally not required for
- // correctness.
- continue;
- }
- auto *GA = GlobalAlias::create(I->getValueType(),
- I->getType()->getPointerAddressSpace(),
- I->getLinkage(), I->getName(), New.get());
- GA->copyAttributesFrom(&*I);
- VMap[&*I] = GA;
- }
-
- // Now that all of the things that global variable initializer can refer to
- // have been created, loop through and copy the global variable referrers
- // over... We also set the attributes on the global now.
- //
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
+//===- CloneModule.cpp - Clone an entire module ---------------------------===//
+//
+// 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 CloneModule interface which makes a copy of an
+// entire module.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/IR/Constant.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Transforms/Utils/Cloning.h"
+#include "llvm/Transforms/Utils/ValueMapper.h"
+using namespace llvm;
+
+static void copyComdat(GlobalObject *Dst, const GlobalObject *Src) {
+ const Comdat *SC = Src->getComdat();
+ if (!SC)
+ return;
+ Comdat *DC = Dst->getParent()->getOrInsertComdat(SC->getName());
+ DC->setSelectionKind(SC->getSelectionKind());
+ Dst->setComdat(DC);
+}
+
+/// This is not as easy as it might seem because we have to worry about making
+/// copies of global variables and functions, and making their (initializers and
+/// references, respectively) refer to the right globals.
+///
+std::unique_ptr<Module> llvm::CloneModule(const Module &M) {
+ // Create the value map that maps things from the old module over to the new
+ // module.
+ ValueToValueMapTy VMap;
+ return CloneModule(M, VMap);
+}
+
+std::unique_ptr<Module> llvm::CloneModule(const Module &M,
+ ValueToValueMapTy &VMap) {
+ return CloneModule(M, VMap, [](const GlobalValue *GV) { return true; });
+}
+
+std::unique_ptr<Module> llvm::CloneModule(
+ const Module &M, ValueToValueMapTy &VMap,
+ function_ref<bool(const GlobalValue *)> ShouldCloneDefinition) {
+ // First off, we need to create the new module.
+ std::unique_ptr<Module> New =
+ std::make_unique<Module>(M.getModuleIdentifier(), M.getContext());
+ New->setSourceFileName(M.getSourceFileName());
+ New->setDataLayout(M.getDataLayout());
+ New->setTargetTriple(M.getTargetTriple());
+ New->setModuleInlineAsm(M.getModuleInlineAsm());
+
+ // Loop over all of the global variables, making corresponding globals in the
+ // new module. Here we add them to the VMap and to the new Module. We
+ // don't worry about attributes or initializers, they will come later.
+ //
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I) {
+ GlobalVariable *GV = new GlobalVariable(*New,
+ I->getValueType(),
+ I->isConstant(), I->getLinkage(),
+ (Constant*) nullptr, I->getName(),
+ (GlobalVariable*) nullptr,
+ I->getThreadLocalMode(),
+ I->getType()->getAddressSpace());
+ GV->copyAttributesFrom(&*I);
+ VMap[&*I] = GV;
+ }
+
+ // Loop over the functions in the module, making external functions as before
+ for (const Function &I : M) {
+ Function *NF =
+ Function::Create(cast<FunctionType>(I.getValueType()), I.getLinkage(),
+ I.getAddressSpace(), I.getName(), New.get());
+ NF->copyAttributesFrom(&I);
+ VMap[&I] = NF;
+ }
+
+ // Loop over the aliases in the module
+ for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
+ I != E; ++I) {
+ if (!ShouldCloneDefinition(&*I)) {
+ // An alias cannot act as an external reference, so we need to create
+ // either a function or a global variable depending on the value type.
+ // FIXME: Once pointee types are gone we can probably pick one or the
+ // other.
+ GlobalValue *GV;
+ if (I->getValueType()->isFunctionTy())
+ GV = Function::Create(cast<FunctionType>(I->getValueType()),
+ GlobalValue::ExternalLinkage,
+ I->getAddressSpace(), I->getName(), New.get());
+ else
+ GV = new GlobalVariable(
+ *New, I->getValueType(), false, GlobalValue::ExternalLinkage,
+ nullptr, I->getName(), nullptr,
+ I->getThreadLocalMode(), I->getType()->getAddressSpace());
+ VMap[&*I] = GV;
+ // We do not copy attributes (mainly because copying between different
+ // kinds of globals is forbidden), but this is generally not required for
+ // correctness.
+ continue;
+ }
+ auto *GA = GlobalAlias::create(I->getValueType(),
+ I->getType()->getPointerAddressSpace(),
+ I->getLinkage(), I->getName(), New.get());
+ GA->copyAttributesFrom(&*I);
+ VMap[&*I] = GA;
+ }
+
+ // Now that all of the things that global variable initializer can refer to
+ // have been created, loop through and copy the global variable referrers
+ // over... We also set the attributes on the global now.
+ //
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I) {
GlobalVariable *GV = cast<GlobalVariable>(VMap[&*I]);
SmallVector<std::pair<unsigned, MDNode *>, 1> MDs;
@@ -125,91 +125,91 @@ std::unique_ptr<Module> llvm::CloneModule(
GV->addMetadata(MD.first,
*MapMetadata(MD.second, VMap, RF_MoveDistinctMDs));
- if (I->isDeclaration())
- continue;
-
- if (!ShouldCloneDefinition(&*I)) {
- // Skip after setting the correct linkage for an external reference.
- GV->setLinkage(GlobalValue::ExternalLinkage);
- continue;
- }
- if (I->hasInitializer())
- GV->setInitializer(MapValue(I->getInitializer(), VMap));
-
- copyComdat(GV, &*I);
- }
-
- // Similarly, copy over function bodies now...
- //
- for (const Function &I : M) {
- if (I.isDeclaration())
- continue;
-
- Function *F = cast<Function>(VMap[&I]);
- if (!ShouldCloneDefinition(&I)) {
- // Skip after setting the correct linkage for an external reference.
- F->setLinkage(GlobalValue::ExternalLinkage);
- // Personality function is not valid on a declaration.
- F->setPersonalityFn(nullptr);
- continue;
- }
-
- Function::arg_iterator DestI = F->arg_begin();
- for (Function::const_arg_iterator J = I.arg_begin(); J != I.arg_end();
- ++J) {
- DestI->setName(J->getName());
- VMap[&*J] = &*DestI++;
- }
-
- SmallVector<ReturnInst *, 8> Returns; // Ignore returns cloned.
- CloneFunctionInto(F, &I, VMap, /*ModuleLevelChanges=*/true, Returns);
-
- if (I.hasPersonalityFn())
- F->setPersonalityFn(MapValue(I.getPersonalityFn(), VMap));
-
- copyComdat(F, &I);
- }
-
- // And aliases
- for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
- I != E; ++I) {
- // We already dealt with undefined aliases above.
- if (!ShouldCloneDefinition(&*I))
- continue;
- GlobalAlias *GA = cast<GlobalAlias>(VMap[&*I]);
- if (const Constant *C = I->getAliasee())
- GA->setAliasee(MapValue(C, VMap));
- }
-
- // And named metadata....
- const auto* LLVM_DBG_CU = M.getNamedMetadata("llvm.dbg.cu");
- for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
- E = M.named_metadata_end();
- I != E; ++I) {
- const NamedMDNode &NMD = *I;
- NamedMDNode *NewNMD = New->getOrInsertNamedMetadata(NMD.getName());
- if (&NMD == LLVM_DBG_CU) {
- // Do not insert duplicate operands.
- SmallPtrSet<const void*, 8> Visited;
- for (const auto* Operand : NewNMD->operands())
- Visited.insert(Operand);
- for (const auto* Operand : NMD.operands()) {
- auto* MappedOperand = MapMetadata(Operand, VMap);
- if (Visited.insert(MappedOperand).second)
- NewNMD->addOperand(MappedOperand);
- }
- } else
- for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
- NewNMD->addOperand(MapMetadata(NMD.getOperand(i), VMap));
- }
-
- return New;
-}
-
-extern "C" {
-
-LLVMModuleRef LLVMCloneModule(LLVMModuleRef M) {
- return wrap(CloneModule(*unwrap(M)).release());
-}
-
-}
+ if (I->isDeclaration())
+ continue;
+
+ if (!ShouldCloneDefinition(&*I)) {
+ // Skip after setting the correct linkage for an external reference.
+ GV->setLinkage(GlobalValue::ExternalLinkage);
+ continue;
+ }
+ if (I->hasInitializer())
+ GV->setInitializer(MapValue(I->getInitializer(), VMap));
+
+ copyComdat(GV, &*I);
+ }
+
+ // Similarly, copy over function bodies now...
+ //
+ for (const Function &I : M) {
+ if (I.isDeclaration())
+ continue;
+
+ Function *F = cast<Function>(VMap[&I]);
+ if (!ShouldCloneDefinition(&I)) {
+ // Skip after setting the correct linkage for an external reference.
+ F->setLinkage(GlobalValue::ExternalLinkage);
+ // Personality function is not valid on a declaration.
+ F->setPersonalityFn(nullptr);
+ continue;
+ }
+
+ Function::arg_iterator DestI = F->arg_begin();
+ for (Function::const_arg_iterator J = I.arg_begin(); J != I.arg_end();
+ ++J) {
+ DestI->setName(J->getName());
+ VMap[&*J] = &*DestI++;
+ }
+
+ SmallVector<ReturnInst *, 8> Returns; // Ignore returns cloned.
+ CloneFunctionInto(F, &I, VMap, /*ModuleLevelChanges=*/true, Returns);
+
+ if (I.hasPersonalityFn())
+ F->setPersonalityFn(MapValue(I.getPersonalityFn(), VMap));
+
+ copyComdat(F, &I);
+ }
+
+ // And aliases
+ for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
+ I != E; ++I) {
+ // We already dealt with undefined aliases above.
+ if (!ShouldCloneDefinition(&*I))
+ continue;
+ GlobalAlias *GA = cast<GlobalAlias>(VMap[&*I]);
+ if (const Constant *C = I->getAliasee())
+ GA->setAliasee(MapValue(C, VMap));
+ }
+
+ // And named metadata....
+ const auto* LLVM_DBG_CU = M.getNamedMetadata("llvm.dbg.cu");
+ for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
+ E = M.named_metadata_end();
+ I != E; ++I) {
+ const NamedMDNode &NMD = *I;
+ NamedMDNode *NewNMD = New->getOrInsertNamedMetadata(NMD.getName());
+ if (&NMD == LLVM_DBG_CU) {
+ // Do not insert duplicate operands.
+ SmallPtrSet<const void*, 8> Visited;
+ for (const auto* Operand : NewNMD->operands())
+ Visited.insert(Operand);
+ for (const auto* Operand : NMD.operands()) {
+ auto* MappedOperand = MapMetadata(Operand, VMap);
+ if (Visited.insert(MappedOperand).second)
+ NewNMD->addOperand(MappedOperand);
+ }
+ } else
+ for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
+ NewNMD->addOperand(MapMetadata(NMD.getOperand(i), VMap));
+ }
+
+ return New;
+}
+
+extern "C" {
+
+LLVMModuleRef LLVMCloneModule(LLVMModuleRef M) {
+ return wrap(CloneModule(*unwrap(M)).release());
+}
+
+}