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

[Damyan Pepper 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
+      NumParameters: 0
+      RootParametersOffset: 0
+      NumStaticSamplers: 0
+      StaticSamplersOffset: 0
+      AllowInputAssemblerInputLayout: true
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damyanp wrote:

Do we not want to test all of the flags somehow?  Maybe we can assume the basic machinery works, but if we had a sprinkling of a few different ones in here rather than just the one then we can be more confident it isn't just working by luck.

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