[llvm] [AMDGPU][CodeGen][True16] Track waitcnt as vgpr32 instead of vgpr16 for D16 Instructions in GFX11 (PR #157795)

[Brox Chen via llvm-commits]

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@@ -586,6 +586,12 @@ def FeatureRealTrue16Insts : SubtargetFeature<"real-true16",
   "Use true 16-bit registers"
 >;
 
+def Feature16bitD16HWBug : SubtargetFeature<"d16-hw-bug",
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broxigarchen wrote:

I personally like "D16Writes32BitVgpr". Updated

https://github.com/llvm/llvm-project/pull/157795