[llvm] [DXIL] Adding support to RootSignatureFlags in obj2yaml (PR #122396)

[via llvm-commits]

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@@ -0,0 +1,31 @@
+# RUN: yaml2obj %s | obj2yaml | FileCheck %s
+
+--- !dxcontainer
+Header:
+  Hash:            [ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
+                     0x0, 0x0, 0x0, 0x0, 0x0, 0x0 ]
+  Version:
+    Major:           1
+    Minor:           0
+  PartCount:       1
+  PartOffsets:     [ 60 ]
+Parts:
+  - Name:            RTS0
+    Size:            24
+    RootSignature:
+      Version: 2
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joaosaffran wrote:

The version field was reintroduced to keep compatibility with DXC RootSignature header. In order for the binary generated by clang, be understood by dxc, this must exist and follow the values specified.

https://github.com/llvm/llvm-project/pull/122396