[llvm] [RFC][SPIR-V] Add llvm.arbitrary.fp.convert intrinsic (PR #164252)

[Matt Arsenault via llvm-commits]

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@@ -215,6 +215,43 @@ SPIRVGlobalRegistry::getOpTypeFloat(uint32_t Width,
   });
 }
 
+SPIRVType *SPIRVGlobalRegistry::getOrCreateOpTypeFloatWithEncoding(
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arsenm wrote:

SPIRV changes do not belong in this patch 

https://github.com/llvm/llvm-project/pull/164252