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authorAnders Carlsson <andersca@mac.com>2009-12-06 00:23:49 +0000
committerAnders Carlsson <andersca@mac.com>2009-12-06 00:23:49 +0000
commit3527225899adf04e7b966e533da72e4550f9c7e5 (patch)
tree75e2268d3982e13e2aad98992afffd1b19ab5662 /lib/CodeGen/CGVtable.cpp
parent8c2d36ffc82c6c616c02f4a231a39f0fe5ab4e54 (diff)
Pass the desired vtable linkage to GenerateVtable directly. Only call MaybeMarkVirtualImplicitMembersReferenced for non-inline functions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90686 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGVtable.cpp')
-rw-r--r--lib/CodeGen/CGVtable.cpp26
1 files changed, 7 insertions, 19 deletions
diff --git a/lib/CodeGen/CGVtable.cpp b/lib/CodeGen/CGVtable.cpp
index b52e5739d5..6f8f9ebd83 100644
--- a/lib/CodeGen/CGVtable.cpp
+++ b/lib/CodeGen/CGVtable.cpp
@@ -1112,7 +1112,8 @@ createGlobalVariable(CodeGenModule &CGM, const CXXRecordDecl *RD,
}
llvm::GlobalVariable *
-CGVtableInfo::GenerateVtable(const CXXRecordDecl *LayoutClass,
+CGVtableInfo::GenerateVtable(llvm::GlobalVariable::LinkageTypes Linkage,
+ const CXXRecordDecl *LayoutClass,
const CXXRecordDecl *RD, uint64_t Offset) {
llvm::SmallString<256> OutName;
if (LayoutClass != RD)
@@ -1133,21 +1134,7 @@ CGVtableInfo::GenerateVtable(const CXXRecordDecl *LayoutClass,
if (AddressPoint == 0)
AddressPoint = 1;
} else {
- bool CreateDefinition = true;
- if (LayoutClass != RD)
- CreateDefinition = true;
- else {
- const ASTRecordLayout &Layout =
- CGM.getContext().getASTRecordLayout(LayoutClass);
-
- if (const CXXMethodDecl *KeyFunction = Layout.getKeyFunction()) {
- if (!KeyFunction->getBody()) {
- // If there is a KeyFunction, and it isn't defined, just build a
- // reference to the vtable.
- CreateDefinition = false;
- }
- }
- }
+ bool CreateDefinition = Linkage != llvm::GlobalVariable::ExternalLinkage;
VtableBuilder b(RD, LayoutClass, Offset, CGM, CreateDefinition);
@@ -1383,7 +1370,7 @@ llvm::Constant *CodeGenModule::GenerateVTT(const CXXRecordDecl *RD) {
}
void CGVtableInfo::GenerateClassData(const CXXRecordDecl *RD) {
- Vtables[RD] = GenerateVtable(RD, RD, 0);
+ Vtables[RD] = GenerateVtable(llvm::GlobalValue::WeakODRLinkage, RD, RD, 0);
CGM.GenerateRTTI(RD);
CGM.GenerateVTT(RD);
}
@@ -1392,7 +1379,7 @@ llvm::GlobalVariable *CGVtableInfo::getVtable(const CXXRecordDecl *RD) {
llvm::GlobalVariable *Vtable = Vtables[RD];
if (!Vtable)
- Vtable = GenerateVtable(RD, RD, 0);
+ Vtable = GenerateVtable(llvm::GlobalValue::ExternalLinkage, RD, RD, 0);
return Vtable;
}
@@ -1400,7 +1387,8 @@ llvm::GlobalVariable *CGVtableInfo::getVtable(const CXXRecordDecl *RD) {
llvm::GlobalVariable *
CGVtableInfo::getCtorVtable(const CXXRecordDecl *LayoutClass,
const CXXRecordDecl *RD, uint64_t Offset) {
- return GenerateVtable(LayoutClass, RD, Offset);
+ return GenerateVtable(llvm::GlobalValue::InternalLinkage,
+ LayoutClass, RD, Offset);
}
void CGVtableInfo::MaybeEmitVtable(GlobalDecl GD) {