[llvm] [SPIRV] Add support for SPV_KHR_abort extension (PR #193037)

[Juan Manuel Martinez Caamaño via llvm-commits]

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@@ -6250,6 +6253,63 @@ bool SPIRVInstructionSelector::selectAllocaArray(Register ResVReg,
   return true;
 }
 
+bool SPIRVInstructionSelector::selectAbort(MachineInstr &I) const {
+  if (!STI.canUseExtension(SPIRV::Extension::SPV_KHR_abort))
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jmmartinez wrote:

I don't think you should be doing this check in here. It is done already in `llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp`. But I get that we're inconsistent with this on this file.

https://github.com/llvm/llvm-project/pull/193037