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Introduce DIFile. This will be used to represent header files and source file(s) in debug info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97994 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -87,6 +87,7 @@ namespace llvm {
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bool isSubprogram() const;
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bool isSubprogram() const;
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bool isGlobalVariable() const;
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bool isGlobalVariable() const;
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bool isScope() const;
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bool isScope() const;
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bool isFile() const;
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bool isCompileUnit() const;
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bool isCompileUnit() const;
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bool isNameSpace() const;
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bool isNameSpace() const;
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bool isLexicalBlock() const;
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bool isLexicalBlock() const;
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@ -158,6 +159,18 @@ namespace llvm {
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void dump() const;
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void dump() const;
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};
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};
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/// DIFile - This is a wrapper for a file.
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class DIFile : public DIScope {
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public:
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explicit DIFile(MDNode *N = 0) : DIScope(N) {
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if (DbgNode && !isFile())
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DbgNode = 0;
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}
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StringRef getFilename() const { return getStringField(1); }
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StringRef getDirectory() const { return getStringField(2); }
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DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(3); }
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};
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/// DIEnumerator - A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
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/// DIEnumerator - A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
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/// FIXME: it seems strange that this doesn't have either a reference to the
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/// FIXME: it seems strange that this doesn't have either a reference to the
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/// type/precision or a file/line pair for location info.
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/// type/precision or a file/line pair for location info.
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@ -502,6 +515,9 @@ namespace llvm {
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StringRef Flags = "",
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StringRef Flags = "",
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unsigned RunTimeVer = 0);
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unsigned RunTimeVer = 0);
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/// CreateFile - Create a new descriptor for the specified file.
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DIFile CreateFile(StringRef Filename, StringRef Directory, DICompileUnit CU);
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/// CreateEnumerator - Create a single enumerator value.
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/// CreateEnumerator - Create a single enumerator value.
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DIEnumerator CreateEnumerator(StringRef Name, uint64_t Val);
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DIEnumerator CreateEnumerator(StringRef Name, uint64_t Val);
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@ -219,6 +219,11 @@ bool DIDescriptor::isCompileUnit() const {
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return DbgNode && getTag() == dwarf::DW_TAG_compile_unit;
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return DbgNode && getTag() == dwarf::DW_TAG_compile_unit;
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}
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}
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/// isFile - Return true if the specified tag is DW_TAG_file_type.
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bool DIDescriptor::isFile() const {
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return DbgNode && getTag() == dwarf::DW_TAG_file_type;
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}
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/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
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/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
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bool DIDescriptor::isNameSpace() const {
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bool DIDescriptor::isNameSpace() const {
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return DbgNode && getTag() == dwarf::DW_TAG_namespace;
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return DbgNode && getTag() == dwarf::DW_TAG_namespace;
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@ -424,6 +429,8 @@ StringRef DIScope::getFilename() const {
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return DINameSpace(DbgNode).getFilename();
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return DINameSpace(DbgNode).getFilename();
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if (isType())
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if (isType())
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return DIType(DbgNode).getFilename();
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return DIType(DbgNode).getFilename();
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if (isFile())
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return DIFile(DbgNode).getFilename();
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assert(0 && "Invalid DIScope!");
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assert(0 && "Invalid DIScope!");
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return StringRef();
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return StringRef();
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}
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}
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@ -441,6 +448,8 @@ StringRef DIScope::getDirectory() const {
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return DINameSpace(DbgNode).getDirectory();
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return DINameSpace(DbgNode).getDirectory();
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if (isType())
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if (isType())
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return DIType(DbgNode).getDirectory();
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return DIType(DbgNode).getDirectory();
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if (isFile())
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return DIFile(DbgNode).getDirectory();
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assert(0 && "Invalid DIScope!");
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assert(0 && "Invalid DIScope!");
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return StringRef();
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return StringRef();
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}
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}
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@ -661,6 +670,20 @@ DICompileUnit DIFactory::CreateCompileUnit(unsigned LangID,
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return DICompileUnit(MDNode::get(VMContext, &Elts[0], 10));
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return DICompileUnit(MDNode::get(VMContext, &Elts[0], 10));
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}
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}
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/// CreateFile - Create a new descriptor for the specified file.
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DIFile DIFactory::CreateFile(StringRef Filename,
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StringRef Directory,
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DICompileUnit CU) {
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Value *Elts[] = {
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GetTagConstant(dwarf::DW_TAG_file_type),
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MDString::get(VMContext, Filename),
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MDString::get(VMContext, Directory),
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CU.getNode()
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};
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return DIFile(MDNode::get(VMContext, &Elts[0], 4));
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}
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/// CreateEnumerator - Create a single enumerator value.
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/// CreateEnumerator - Create a single enumerator value.
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DIEnumerator DIFactory::CreateEnumerator(StringRef Name, uint64_t Val){
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DIEnumerator DIFactory::CreateEnumerator(StringRef Name, uint64_t Val){
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Value *Elts[] = {
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Value *Elts[] = {
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