[llvm] [SPIRV] Update the global registry when expanding function pointer (PR #183873)

[Steven Perron via llvm-commits]

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@@ -5341,6 +5341,8 @@ bool SPIRVInstructionSelector::selectGlobalValue(
         GR.add(ConstVal, MIB2);
         // mapping the function pointer to the used Function
         GR.recordFunctionPointer(&MIB2.getInstr()->getOperand(2), GVFun);
+        GR.assignSPIRVTypeToVReg(ResType, FuncVReg, *GR.CurMF);
+        GR.assignSPIRVTypeToVReg(ResType, NewReg, *GR.CurMF);
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s-perron wrote:

If you want to fix that up, someone who knows the function pointer extension better. I don't know the design for how to handle that feature. 

https://github.com/llvm/llvm-project/pull/183873