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Remove dead code from DIBuilder 

llvm-svn: 218593
This commit is contained in:
Jyoti Allur 2014-09-29 06:32:54 +00:00
parent 7d9f67f76e
commit b76b57fefd
3 changed files with 14 additions and 75 deletions
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6
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -3149,7 +3149,7 @@ CGDebugInfo::CollectAnonRecordDecls(const RecordDecl *RD, llvm::DIFile Unit,
continue;
}
// Use VarDecl's Tag, Scope and Line number.
GV = DBuilder.createStaticVariable(DContext, FieldName, LinkageName, Unit,
GV = DBuilder.createGlobalVariable(DContext, FieldName, LinkageName, Unit,
LineNo, FieldTy,
Var->hasInternalLinkage(), Var,
llvm::DIDerivedType());
@ -3201,7 +3201,7 @@ void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var,
assert(RD->isAnonymousStructOrUnion() && "unnamed non-anonymous struct or union?");
GV = CollectAnonRecordDecls(RD, Unit, LineNo, LinkageName, Var, DContext);
} else {
GV = DBuilder.createStaticVariable(
GV = DBuilder.createGlobalVariable(
DContext, DeclName, LinkageName, Unit, LineNo, getOrCreateType(T, Unit),
Var->hasInternalLinkage(), Var,
getOrCreateStaticDataMemberDeclarationOrNull(D));
@ -3234,7 +3234,7 @@ void CGDebugInfo::EmitGlobalVariable(const ValueDecl *VD,
return;
llvm::DIDescriptor DContext =
getContextDescriptor(dyn_cast<Decl>(VD->getDeclContext()));
llvm::DIGlobalVariable GV = DBuilder.createStaticVariable(
llvm::DIGlobalVariable GV = DBuilder.createGlobalVariable(
DContext, Name, StringRef(), Unit, getLineNumber(VD->getLocation()), Ty,
true, Init,
getOrCreateStaticDataMemberDeclarationOrNull(cast<VarDecl>(VD)));

33
llvm/include/llvm/IR/DIBuilder.h
View File

@ -451,33 +451,8 @@ namespace llvm {
/// implicitly uniques the values returned.
DISubrange getOrCreateSubrange(int64_t Lo, int64_t Count);
/// createGlobalVariable - Create a new descriptor for the specified global.
/// @param Name Name of the variable.
/// @param File File where this variable is defined.
/// @param LineNo Line number.
/// @param Ty Variable Type.
/// @param isLocalToUnit Boolean flag indicate whether this variable is
/// externally visible or not.
/// @param Val llvm::Value of the variable.
DIGlobalVariable
createGlobalVariable(StringRef Name, DIFile File, unsigned LineNo,
DITypeRef Ty, bool isLocalToUnit, llvm::Value *Val);
/// \brief Create a new descriptor for the specified global.
/// @param Name Name of the variable.
/// @param LinkageName Mangled variable name.
/// @param File File where this variable is defined.
/// @param LineNo Line number.
/// @param Ty Variable Type.
/// @param isLocalToUnit Boolean flag indicate whether this variable is
/// externally visible or not.
/// @param Val llvm::Value of the variable.
DIGlobalVariable
createGlobalVariable(StringRef Name, StringRef LinkageName, DIFile File,
unsigned LineNo, DITypeRef Ty, bool isLocalToUnit,
llvm::Value *Val);
/// createStaticVariable - Create a new descriptor for the specified
/// createGlobalVariable - Create a new descriptor for the specified
/// variable.
/// @param Context Variable scope.
/// @param Name Name of the variable.
@ -490,15 +465,15 @@ namespace llvm {
/// @param Val llvm::Value of the variable.
/// @param Decl Reference to the corresponding declaration.
DIGlobalVariable
createStaticVariable(DIDescriptor Context, StringRef Name,
createGlobalVariable(DIDescriptor Context, StringRef Name,
StringRef LinkageName, DIFile File, unsigned LineNo,
DITypeRef Ty, bool isLocalToUnit, llvm::Value *Val,
MDNode *Decl = nullptr);
/// createTempStaticVariableFwdDecl - Identical to createStaticVariable
/// createTempGlobalVariableFwdDecl - Identical to createGlobalVariable
/// except that the resulting DbgNode is temporary and meant to be RAUWed.
DIGlobalVariable
createTempStaticVariableFwdDecl(DIDescriptor Context, StringRef Name,
createTempGlobalVariableFwdDecl(DIDescriptor Context, StringRef Name,
StringRef LinkageName, DIFile File,
unsigned LineNo, DITypeRef Ty,
bool isLocalToUnit, llvm::Value *Val,

50
llvm/lib/IR/DIBuilder.cpp
View File

@ -948,44 +948,8 @@ DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
return DISubrange(MDNode::get(VMContext, Elts));
}
/// \brief Create a new descriptor for the specified global.
DIGlobalVariable DIBuilder::createGlobalVariable(StringRef Name,
StringRef LinkageName,
DIFile F, unsigned LineNumber,
DITypeRef Ty, bool isLocalToUnit,
Value *Val) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_variable),
Constant::getNullValue(Type::getInt32Ty(VMContext)),
nullptr, // TheCU,
MDString::get(VMContext, Name),
MDString::get(VMContext, Name),
MDString::get(VMContext, LinkageName),
F,
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
Ty,
ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
Val,
DIDescriptor()
};
MDNode *Node = MDNode::get(VMContext, Elts);
AllGVs.push_back(Node);
return DIGlobalVariable(Node);
}
/// \brief Create a new descriptor for the specified global.
DIGlobalVariable DIBuilder::createGlobalVariable(StringRef Name, DIFile F,
unsigned LineNumber,
DITypeRef Ty,
bool isLocalToUnit,
Value *Val) {
return createGlobalVariable(Name, Name, F, LineNumber, Ty, isLocalToUnit,
Val);
}
static DIGlobalVariable
createStaticVariableHelper(LLVMContext &VMContext, DIDescriptor Context,
createGlobalVariableHelper(LLVMContext &VMContext, DIDescriptor Context,
StringRef Name, StringRef LinkageName, DIFile F,
unsigned LineNumber, DITypeRef Ty, bool isLocalToUnit,
Value *Val, MDNode *Decl, bool isDefinition,
@ -1009,16 +973,16 @@ createStaticVariableHelper(LLVMContext &VMContext, DIDescriptor Context,
return DIGlobalVariable(CreateFunc(Elts));
}
/// createStaticVariable - Create a new descriptor for the specified
/// createGlobalVariable - Create a new descriptor for the specified
/// variable.
DIGlobalVariable DIBuilder::createStaticVariable(DIDescriptor Context,
DIGlobalVariable DIBuilder::createGlobalVariable(DIDescriptor Context,
StringRef Name,
StringRef LinkageName,
DIFile F, unsigned LineNumber,
DITypeRef Ty,
bool isLocalToUnit,
Value *Val, MDNode *Decl) {
return createStaticVariableHelper(VMContext, Context, Name, LinkageName, F,
return createGlobalVariableHelper(VMContext, Context, Name, LinkageName, F,
LineNumber, Ty, isLocalToUnit, Val, Decl, true,
[&] (ArrayRef<Value *> Elts) -> MDNode * {
MDNode *Node = MDNode::get(VMContext, Elts);
@ -1027,17 +991,17 @@ DIGlobalVariable DIBuilder::createStaticVariable(DIDescriptor Context,
});
}
/// createTempStaticVariableFwdDecl - Create a new temporary descriptor for the
/// createTempGlobalVariableFwdDecl - Create a new temporary descriptor for the
/// specified variable declarartion.
DIGlobalVariable
DIBuilder::createTempStaticVariableFwdDecl(DIDescriptor Context,
DIBuilder::createTempGlobalVariableFwdDecl(DIDescriptor Context,
StringRef Name,
StringRef LinkageName,
DIFile F, unsigned LineNumber,
DITypeRef Ty,
bool isLocalToUnit,
Value *Val, MDNode *Decl) {
return createStaticVariableHelper(VMContext, Context, Name, LinkageName, F,
return createGlobalVariableHelper(VMContext, Context, Name, LinkageName, F,
LineNumber, Ty, isLocalToUnit, Val, Decl, false,
[&] (ArrayRef<Value *> Elts) {
return MDNode::getTemporary(VMContext, Elts);