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
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 4ea1ce9..49b2e6b 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -219,6 +219,11 @@
return DbgNode && getTag() == dwarf::DW_TAG_compile_unit;
}
+/// isFile - Return true if the specified tag is DW_TAG_file_type.
+bool DIDescriptor::isFile() const {
+ return DbgNode && getTag() == dwarf::DW_TAG_file_type;
+}
+
/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
bool DIDescriptor::isNameSpace() const {
return DbgNode && getTag() == dwarf::DW_TAG_namespace;
@@ -424,6 +429,8 @@
return DINameSpace(DbgNode).getFilename();
if (isType())
return DIType(DbgNode).getFilename();
+ if (isFile())
+ return DIFile(DbgNode).getFilename();
assert(0 && "Invalid DIScope!");
return StringRef();
}
@@ -441,6 +448,8 @@
return DINameSpace(DbgNode).getDirectory();
if (isType())
return DIType(DbgNode).getDirectory();
+ if (isFile())
+ return DIFile(DbgNode).getDirectory();
assert(0 && "Invalid DIScope!");
return StringRef();
}
@@ -661,6 +670,20 @@
return DICompileUnit(MDNode::get(VMContext, &Elts[0], 10));
}
+/// CreateFile - Create a new descriptor for the specified file.
+DIFile DIFactory::CreateFile(StringRef Filename,
+ StringRef Directory,
+ DICompileUnit CU) {
+ Value *Elts[] = {
+ GetTagConstant(dwarf::DW_TAG_file_type),
+ MDString::get(VMContext, Filename),
+ MDString::get(VMContext, Directory),
+ CU.getNode()
+ };
+
+ return DIFile(MDNode::get(VMContext, &Elts[0], 4));
+}
+
/// CreateEnumerator - Create a single enumerator value.
DIEnumerator DIFactory::CreateEnumerator(StringRef Name, uint64_t Val){
Value *Elts[] = {