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-rw-r--r--llvm/lib/IR/Function.cpp26
-rw-r--r--llvm/lib/IR/Globals.cpp42
-rw-r--r--llvm/lib/Linker/IRMover.cpp18
3 files changed, 53 insertions, 33 deletions
diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index 98f7508cde8..16a9e51b830 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -416,24 +416,20 @@ void Function::clearGC() {
/// Copy all additional attributes (those not needed to create a Function) from
/// the Function Src to this one.
-void Function::copyAttributesFrom(const GlobalValue *Src) {
+void Function::copyAttributesFrom(const Function *Src) {
GlobalObject::copyAttributesFrom(Src);
- const Function *SrcF = dyn_cast<Function>(Src);
- if (!SrcF)
- return;
-
- setCallingConv(SrcF->getCallingConv());
- setAttributes(SrcF->getAttributes());
- if (SrcF->hasGC())
- setGC(SrcF->getGC());
+ setCallingConv(Src->getCallingConv());
+ setAttributes(Src->getAttributes());
+ if (Src->hasGC())
+ setGC(Src->getGC());
else
clearGC();
- if (SrcF->hasPersonalityFn())
- setPersonalityFn(SrcF->getPersonalityFn());
- if (SrcF->hasPrefixData())
- setPrefixData(SrcF->getPrefixData());
- if (SrcF->hasPrologueData())
- setPrologueData(SrcF->getPrologueData());
+ if (Src->hasPersonalityFn())
+ setPersonalityFn(Src->getPersonalityFn());
+ if (Src->hasPrefixData())
+ setPrefixData(Src->getPrefixData());
+ if (Src->hasPrologueData())
+ setPrologueData(Src->getPrologueData());
}
/// Table of string intrinsic names indexed by enum value.
diff --git a/llvm/lib/IR/Globals.cpp b/llvm/lib/IR/Globals.cpp
index 5fbf51e0089..10ba1a64ad0 100644
--- a/llvm/lib/IR/Globals.cpp
+++ b/llvm/lib/IR/Globals.cpp
@@ -69,6 +69,30 @@ void GlobalValue::copyAttributesFrom(const GlobalValue *Src) {
setDLLStorageClass(Src->getDLLStorageClass());
}
+void GlobalValue::removeFromParent() {
+ switch (getValueID()) {
+#define HANDLE_GLOBAL_VALUE(NAME) \
+ case Value::NAME##Val: \
+ return static_cast<NAME *>(this)->removeFromParent();
+#include "llvm/IR/Value.def"
+ default:
+ break;
+ }
+ llvm_unreachable("not a global");
+}
+
+void GlobalValue::eraseFromParent() {
+ switch (getValueID()) {
+#define HANDLE_GLOBAL_VALUE(NAME) \
+ case Value::NAME##Val: \
+ return static_cast<NAME *>(this)->eraseFromParent();
+#include "llvm/IR/Value.def"
+ default:
+ break;
+ }
+ llvm_unreachable("not a global");
+}
+
unsigned GlobalValue::getAlignment() const {
if (auto *GA = dyn_cast<GlobalAlias>(this)) {
// In general we cannot compute this at the IR level, but we try.
@@ -93,12 +117,10 @@ void GlobalObject::setAlignment(unsigned Align) {
assert(getAlignment() == Align && "Alignment representation error!");
}
-void GlobalObject::copyAttributesFrom(const GlobalValue *Src) {
+void GlobalObject::copyAttributesFrom(const GlobalObject *Src) {
GlobalValue::copyAttributesFrom(Src);
- if (const auto *GV = dyn_cast<GlobalObject>(Src)) {
- setAlignment(GV->getAlignment());
- setSection(GV->getSection());
- }
+ setAlignment(Src->getAlignment());
+ setSection(Src->getSection());
}
std::string GlobalValue::getGlobalIdentifier(StringRef Name,
@@ -333,13 +355,11 @@ void GlobalVariable::setInitializer(Constant *InitVal) {
/// Copy all additional attributes (those not needed to create a GlobalVariable)
/// from the GlobalVariable Src to this one.
-void GlobalVariable::copyAttributesFrom(const GlobalValue *Src) {
+void GlobalVariable::copyAttributesFrom(const GlobalVariable *Src) {
GlobalObject::copyAttributesFrom(Src);
- if (const GlobalVariable *SrcVar = dyn_cast<GlobalVariable>(Src)) {
- setThreadLocalMode(SrcVar->getThreadLocalMode());
- setExternallyInitialized(SrcVar->isExternallyInitialized());
- setAttributes(SrcVar->getAttributes());
- }
+ setThreadLocalMode(Src->getThreadLocalMode());
+ setExternallyInitialized(Src->isExternallyInitialized());
+ setAttributes(Src->getAttributes());
}
void GlobalVariable::dropAllReferences() {
diff --git a/llvm/lib/Linker/IRMover.cpp b/llvm/lib/Linker/IRMover.cpp
index 15a46a2d042..ecef1efda1a 100644
--- a/llvm/lib/Linker/IRMover.cpp
+++ b/llvm/lib/Linker/IRMover.cpp
@@ -602,6 +602,7 @@ GlobalVariable *IRLinker::copyGlobalVariableProto(const GlobalVariable *SGVar) {
/*insertbefore*/ nullptr, SGVar->getThreadLocalMode(),
SGVar->getType()->getAddressSpace());
NewDGV->setAlignment(SGVar->getAlignment());
+ NewDGV->copyAttributesFrom(SGVar);
return NewDGV;
}
@@ -610,8 +611,11 @@ GlobalVariable *IRLinker::copyGlobalVariableProto(const GlobalVariable *SGVar) {
Function *IRLinker::copyFunctionProto(const Function *SF) {
// If there is no linkage to be performed or we are linking from the source,
// bring SF over.
- return Function::Create(TypeMap.get(SF->getFunctionType()),
- GlobalValue::ExternalLinkage, SF->getName(), &DstM);
+ auto *F =
+ Function::Create(TypeMap.get(SF->getFunctionType()),
+ GlobalValue::ExternalLinkage, SF->getName(), &DstM);
+ F->copyAttributesFrom(SF);
+ return F;
}
/// Set up prototypes for any aliases that come over from the source module.
@@ -619,9 +623,11 @@ GlobalValue *IRLinker::copyGlobalAliasProto(const GlobalAlias *SGA) {
// If there is no linkage to be performed or we're linking from the source,
// bring over SGA.
auto *Ty = TypeMap.get(SGA->getValueType());
- return GlobalAlias::create(Ty, SGA->getType()->getPointerAddressSpace(),
- GlobalValue::ExternalLinkage, SGA->getName(),
- &DstM);
+ auto *GA =
+ GlobalAlias::create(Ty, SGA->getType()->getPointerAddressSpace(),
+ GlobalValue::ExternalLinkage, SGA->getName(), &DstM);
+ GA->copyAttributesFrom(SGA);
+ return GA;
}
GlobalValue *IRLinker::copyGlobalValueProto(const GlobalValue *SGV,
@@ -648,8 +654,6 @@ GlobalValue *IRLinker::copyGlobalValueProto(const GlobalValue *SGV,
else if (SGV->hasExternalWeakLinkage())
NewGV->setLinkage(GlobalValue::ExternalWeakLinkage);
- NewGV->copyAttributesFrom(SGV);
-
if (auto *NewGO = dyn_cast<GlobalObject>(NewGV)) {
// Metadata for global variables and function declarations is copied eagerly.
if (isa<GlobalVariable>(SGV) || SGV->isDeclaration())
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