Add streaming/equality operators to DWARFAddressRange/DWARFLocationExpression

The main motivation for this is being able to write simpler assertions
and get better error messages in unit tests.

Split off from D70394.

2 files changed, 20 insertions, 0 deletions

diff --git a/llvm/lib/DebugInfo/DWARF/CMakeLists.txt b/llvm/lib/DebugInfo/DWARF/CMakeLists.txt
index b4770e561f7..fcfb00e8e5f 100644
--- a/llvm/lib/DebugInfo/DWARF/CMakeLists.txt
+++ b/llvm/lib/DebugInfo/DWARF/CMakeLists.txt
@@ -22,6 +22,7 @@ add_llvm_library(LLVMDebugInfoDWARF
   DWARFFormValue.cpp
   DWARFGdbIndex.cpp
   DWARFListTable.cpp
+  DWARFLocationExpression.cpp
   DWARFTypeUnit.cpp
   DWARFUnitIndex.cpp
   DWARFUnit.cpp
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFLocationExpression.cpp b/llvm/lib/DebugInfo/DWARF/DWARFLocationExpression.cpp
new file mode 100644
index 00000000000..1cf73a66677
--- /dev/null
+++ b/llvm/lib/DebugInfo/DWARF/DWARFLocationExpression.cpp
@@ -0,0 +1,19 @@
+//===- DWARFLocationExpression.cpp ----------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/DWARF/DWARFLocationExpression.h"
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/Support/FormatVariadic.h"
+
+using namespace llvm;
+
+raw_ostream &llvm::operator<<(raw_ostream &OS,
+                              const DWARFLocationExpression &Loc) {
+  return OS << Loc.Range << ": "
+            << formatv("{0}", make_range(Loc.Expr.begin(), Loc.Expr.end()));
+}