[clang] [CIR] Upstream gather instrinsics (PR #169157)

[Hendrik Hübner via cfe-commits]

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@@ -480,7 +480,93 @@ mlir::Value CIRGenFunction::emitX86BuiltinExpr(unsigned builtinID,
   case X86::BI__builtin_ia32_gathersiv8di:
   case X86::BI__builtin_ia32_gathersiv16si:
   case X86::BI__builtin_ia32_gatherdiv8di:
-  case X86::BI__builtin_ia32_gatherdiv16si:
+  case X86::BI__builtin_ia32_gatherdiv16si: {
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HendrikHuebner wrote:

This needs a NYI case to prevent it from matching other builtins

https://github.com/llvm/llvm-project/pull/169157