[llvm] [SPIR-V] Add SPV_INTEL_unstructured_loop_controls extension (PR #178799)

[Marcos Maronas via llvm-commits]

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@@ -3697,6 +3644,13 @@ bool SPIRVInstructionSelector::selectIntrinsic(Register ResVReg,
     }
     return MIB.constrainAllUses(TII, TRI, RBI);
   }
+  case Intrinsic::spv_loop_control_intel: {
+    auto MIB =
+        BuildMI(BB, I, I.getDebugLoc(), TII.get(SPIRV::OpLoopControlINTEL));
+    for (unsigned i = 1; i < I.getNumExplicitOperands(); ++i)
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maarquitos14 wrote:

I understand that `I` here is the `MachineInstr`, and also that the rest of cases use `i`, but according to LLVM Coding Standards, variables should start with a capital letter. Can we give it a different name?

https://github.com/llvm/llvm-project/pull/178799