[clang] [llvm] [HLSL][DXIL] Implement `refract` intrinsic (PR #147342)

[Sarah Spall via llvm-commits]

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@@ -79,7 +79,7 @@ let TargetPrefix = "spv" in {
   def int_spv_refract
       : DefaultAttrsIntrinsic<[LLVMMatchType<0>],
                               [llvm_anyfloat_ty, LLVMMatchType<0>,
-                              LLVMVectorElementType<0>],
+                              llvm_anyfloat_ty],
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spall wrote:

Is it because the first argument might not be a vector?

https://github.com/llvm/llvm-project/pull/147342