[llvm] [DXIL] Add support for root signature flag element in DXContainer (PR #123147)

[Justin Bogner via llvm-commits]

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@@ -0,0 +1,27 @@
+; RUN: not llc %s --filetype=obj -o - 2>&1 | FileCheck %s
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bogner wrote:

This test crashes in DXContainerGlobals in a way that's unrelated to your pass, which is probably why you were having the issues that led you to add `report_fatal_error`.

It would be easier to write this test using `opt`, like `not opt -passes='print<dxil-root-signature>' %s -S -o - 2>&1 | FileCheck %s` - see my overall comment for more on that.

https://github.com/llvm/llvm-project/pull/123147