[clang] [llvm] Hlsl asint16 intrinsic (PR #131900)

[Farzon Lotfi via llvm-commits]

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@@ -19,3 +20,13 @@ entry:
   %res = bitcast half %val2 to i16
   ret i16 %res
 }
+
+; Function Attrs: alwaysinline mustprogress nofree norecurse nosync nounwind willreturn memory(none)
+define <4 x i16> @test_vector_half4(<4 x half> nofpclass(nan inf) %p1) {
+entry:
+  ; CHECK: %[[#arg0:]] = OpFunctionParameter %[[#vec4_float_16]]
+  ; CHECK: %[[#]] = OpBitcast %[[#vec4_int_16]] %[[#arg0]]
+  %0 = bitcast <4 x half> %p1 to <4 x i16>
+  ;CHECK: OpReturnValue %[[#]]
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farzonl wrote:

give the result of `OpBitcast` a name so you can check it in `OpReturnValue`

https://github.com/llvm/llvm-project/pull/131900