[clang] [clang-format] Add Options to break inside the TableGen DAGArg. (PR #83149)

[Hirofumi Nakamura via cfe-commits]

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@@ -332,6 +332,84 @@ TEST_F(FormatTestTableGen, Assert) {
   verifyFormat("assert !le(DefVar1, 0), \"Assert1\";\n");
 }
 
+TEST_F(FormatTestTableGen, DAGArgBreakElements) {
+  FormatStyle Style = getGoogleStyle(FormatStyle::LK_TableGen);
+  Style.ColumnLimit = 60;
+  // By default, the DAGArg does not have a break inside.
+  verifyFormat("def Def : Parent {\n"
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hnakamura5 wrote:

Added the suggested check of default option.

https://github.com/llvm/llvm-project/pull/83149