[llvm] [LLVM][IR] Add location tracking to LLVM IR parser (PR #155797)

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/155797 at github.com>


================
@@ -0,0 +1,52 @@
+//===-- FileLoc.h ---------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ASMPARSER_FILELOC_H
+#define LLVM_ASMPARSER_FILELOC_H
+
+#include <assert.h>
+#include <utility>
+
+namespace llvm {
+
+struct FileLoc {
+  unsigned Line;
+  unsigned Col;
+
+  bool operator<=(const FileLoc &RHS) const {
+    return Line < RHS.Line || (Line == RHS.Line && Col <= RHS.Col);
+  }
+
+  bool operator<(const FileLoc &RHS) const {
+    return Line < RHS.Line || (Line == RHS.Line && Col < RHS.Col);
+  }
+
+  FileLoc(unsigned L, unsigned C) : Line(L), Col(C) {}
+  FileLoc(std::pair<unsigned, unsigned> LC) : Line(LC.first), Col(LC.second) {}
+};
+
+struct FileLocRange {
+  FileLoc Start;
----------------
Bertik23 wrote:

Thanks for catching that, it should be a semiopen range

https://github.com/llvm/llvm-project/pull/155797