Refactor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110607 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 77e0ece..3d03815 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -89,6 +89,15 @@
return 0;
}
+Constant *DIDescriptor::getConstantField(unsigned Elt) const {
+ if (DbgNode == 0)
+ return 0;
+
+ if (Elt < DbgNode->getNumOperands())
+ return dyn_cast_or_null<Constant>(DbgNode->getOperand(Elt));
+ return 0;
+}
+
Function *DIDescriptor::getFunctionField(unsigned Elt) const {
if (DbgNode == 0)
return 0;
@@ -341,7 +350,7 @@
if (!Ty.Verify())
return false;
- if (!getGlobal())
+ if (!getGlobal() && !getConstant())
return false;
return true;
@@ -1060,6 +1069,38 @@
return DIGlobalVariable(Node);
}
+/// CreateGlobalVariable - Create a new descriptor for the specified constant.
+DIGlobalVariable
+DIFactory::CreateGlobalVariable(DIDescriptor Context, StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
+ DIFile F,
+ unsigned LineNo, DIType Ty,bool isLocalToUnit,
+ bool isDefinition, llvm::Constant *Val) {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_variable),
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context,
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, DisplayName),
+ MDString::get(VMContext, LinkageName),
+ F,
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Ty,
+ ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
+ Val
+ };
+
+ Value *const *Vs = &Elts[0];
+ MDNode *Node = MDNode::get(VMContext,Vs, 12);
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
+ NMD->addOperand(Node);
+
+ return DIGlobalVariable(Node);
+}
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,