[clang] [llvm] [IR] Allow integer vector atomicrmw (PR #190716)

[Yonah Goldberg via cfe-commits]

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@@ -49,3 +49,26 @@ define float @test_atomicrmw_fsub_f32(ptr %ptr, float %value) {
   ret float %res
 }
 
+define <2 x i16> @test_atomicrmw_add_v2i16(ptr %ptr, <2 x i16> %value) {
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YonahGoldberg wrote:

Sounds good, I move the test to a separate file.

https://github.com/llvm/llvm-project/pull/190716