[llvm] [SPIRV] Support for SPV_INTEL_fpga_reg extension (PR #134352)

[Dmitry Sidorov via llvm-commits]

================
@@ -1824,6 +1824,15 @@ void addInstrRequirements(const MachineInstr &MI,
     Reqs.addCapability(SPIRV::Capability::TernaryBitwiseFunctionINTEL);
     break;
   }
+  case SPIRV::OpFPGARegINTEL: {
+    if (!ST.canUseExtension(SPIRV::Extension::SPV_INTEL_fpga_reg))
+      report_fatal_error("Continued instructions require the "
----------------
MrSidims wrote:

```suggestion
      report_fatal_error("OpFPGARegINTEL instruction requires the "
```

https://github.com/llvm/llvm-project/pull/134352