[libc-commits] [libc] [libc] Add check for support and a test for libc SIMD helpers (PR #157746)

[Michael Jones via libc-commits]

================
@@ -160,3 +160,15 @@ add_libc_test(
   DEPENDS
   libc.src.__support.CPP.type_traits
 )
+
+if(LIBC_COMPILER_HAS_EXT_VECTOR_TYPE)
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michaelrj-google wrote:

would it make sense to wrap the header library target for `simd.h` in this check as well?

https://github.com/llvm/llvm-project/pull/157746