[llvm] [DirectX] Set shader feature flags MinimumPrecision and NativeLowPrecision, and refactor the logic for setting low-precision-related flags (PR #139623)

[Deric C. via llvm-commits]

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@@ -2,8 +2,8 @@
 
 ; This test checks to ensure the behavior of the DXIL shader flag analysis
 ; for the flag ResMayNotAlias is correct when the DXIL Version is >= 1.7 and the
-; DXIL Validator Version < 1.8. The ResMayNotAlias flag (0x20000000) should be
-; set on all functions if there are one or more UAVs present globally in the
+; DXIL Validator Version < 1.8. The ResMayNotAlias module flag (0x20000000)
+; should be set if there are one or more UAVs present globally in the
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Icohedron wrote:

There is nothing to test in the obj2yaml because ResMayNotAlias is only a module flag. It doesn't have a related shader feature flag that will show up in SFI0

https://github.com/llvm/llvm-project/pull/139623