[llvm] [AsmParser] Track value references and function arguments (PR #174566)

[Nikita Popov via llvm-commits]

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/174566 at github.com>


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@@ -6685,8 +6695,13 @@ bool LLParser::parseConstantValue(Type *Ty, Constant *&C) {
 bool LLParser::parseValue(Type *Ty, Value *&V, PerFunctionState *PFS) {
   V = nullptr;
   ValID ID;
-  return parseValID(ID, PFS, Ty) ||
-         convertValIDToValue(Ty, ID, V, PFS);
+
+  FileLoc Start = Lex.getTokLineColumnPos();
+  bool Ret = parseValID(ID, PFS, Ty) || convertValIDToValue(Ty, ID, V, PFS);
+  FileLoc End = Lex.getPrevTokEndLineColumnPos();
+  if (ParserContext)
----------------
nikic wrote:

```suggestion
  if (!Ret && ParserContext)
```
We shouldn't do this if parsing the value fails right?

https://github.com/llvm/llvm-project/pull/174566