[clang] [Clang][X86] Add tests for AVX512 integer comparison intrinsics to be used in constexpr (PR #169452)

[Simon Pilgrim via cfe-commits]

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@@ -631,6 +631,25 @@ __mmask64 test_mm512_cmpeq_epi8_mask(__m512i __a, __m512i __b) {
   // CHECK: icmp eq <64 x i8> %{{.*}}, %{{.*}}
   return (__mmask64)_mm512_cmpeq_epi8_mask(__a, __b);
 }
+//cmpeq
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RKSimon wrote:

(style) these comment lines can go - its in the name of the intrinsic and we've already set the precendent that the TEST_CONSTEXPR should be immediately after the associated codegen test

https://github.com/llvm/llvm-project/pull/169452