Do not directly use function names to construct new name for named metadata.
"llvm.dbg.lv.~A" is not a valid name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106438 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index c5cf3ff..0d0d27c 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -1056,7 +1056,14 @@
// to preserve variable info in such situation then stash it in a
// named mdnode.
DISubprogram Fn(getDISubprogram(Context));
- const Twine FnLVName = Twine("llvm.dbg.lv.", Fn.getName());
+ StringRef FName = "fn";
+ if (Fn.getFunction())
+ FName = Fn.getFunction()->getName();
+ const Twine FnLVName = Twine("llvm.dbg.lv.", FName);
+ char One = '\1';
+ if (FName.startswith(StringRef(&One, 1)))
+ FName = FName.substr(1);
+
NamedMDNode *FnLocals = M.getNamedMetadataUsingTwine(FnLVName);
if (!FnLocals)
FnLocals = NamedMDNode::Create(VMContext, FnLVName, NULL, 0, &M);