[llvm] [NVPTX] Add intrinsics for new narrow FP conversions (PR #173954)

[Srinivasa Ravi via llvm-commits]

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@@ -1736,6 +1736,33 @@ let TargetPrefix = "nvvm" in {
             PureIntrinsic<[llvm_i32_ty], [llvm_float_ty]>;
   }
 
+  foreach relu = ["", "_relu"] in {
+    def int_nvvm_ff_to_s2f6x2_rn # relu # _satfinite :
+        PureIntrinsic<[llvm_i16_ty], [llvm_float_ty, llvm_float_ty]>;
+
+    def int_nvvm_ff_to_s2f6x2_rn # relu # _satfinite_scale_n2_ue8m0 :
+        PureIntrinsic<[llvm_i16_ty], [llvm_float_ty, llvm_float_ty, llvm_i16_ty]>;
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Wolfram70 wrote:

That makes sense, fixed!

https://github.com/llvm/llvm-project/pull/173954