[clang] [llvm] [SPIR-V] Add builtin/intrinsic for subgroup ballot (PR #174862)

[Joseph Huber via cfe-commits]

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@@ -3797,15 +3797,15 @@ bool SPIRVInstructionSelector::selectIntrinsic(Register ResVReg,
     return selectExtInst(ResVReg, ResType, I, CL::u_clamp, GL::UClamp);
   case Intrinsic::spv_sclamp:
     return selectExtInst(ResVReg, ResType, I, CL::s_clamp, GL::SClamp);
+  case Intrinsic::spv_subgroup_ballot:
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jhuber6 wrote:

This was merged after I started working on this I guess. Two things, why are we defining all of these as language specific builtins? Language specific builtins, in my opinion, should not exist in 95% of the cases you find them in.

https://github.com/llvm/llvm-project/pull/174862